Comparison between:
- Samsung Galaxy A51
- Samsung Galaxy A54 5G
- Google Pixel 6a
- Google Pixel 7a
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Samsung Galaxy A51 | Samsung Galaxy A54 5G | Google Pixel 6a | Google Pixel 7a | |
 Prices |  Prices |  Prices |  Prices | |
| Model alias | SM-A515F/DS SM-A515F/DSN SM-A515FN/DS SM-A515GN/DS SM-A515FM/DS SM-A515YN SM-A515W | SM-A5460 SM-A546B SM-A546B/DS SM-A546E SM-A546E/DS SM-A546U SM-A546U1 SM-A546V | G1AZG GB62Z GX7AS GB62Z | GWKK3 GHL1X G0DZQ G82U8 |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 73.6 mm 7.36 cm 0.241 ft 2.898 in | 76.7 mm 7.67 cm 0.252 ft 3.02 in | 71.8 mm 7.18 cm 0.236 ft 2.827 in | 72.9 mm 7.29 cm 0.239 ft 2.87 in |
| Height | 158.5 mm 15.85 cm 0.52 ft 6.24 in | 158.2 mm 15.82 cm 0.519 ft 6.228 in | 152.2 mm 15.22 cm 0.499 ft 5.992 in | 152 mm 15.2 cm 0.499 ft 5.984 in |
| Thickness | 7.9 mm 0.79 cm 0.026 ft 0.311 in | 8.2 mm 0.82 cm 0.027 ft 0.323 in | 8.9 mm 0.89 cm 0.029 ft 0.35 in | 9 mm 0.9 cm 0.03 ft 0.354 in |
| Weight | 172 g 0.38 lbs 6.07 oz | 202 g 0.45 lbs 7.13 oz | 178 g 0.39 lbs 6.28 oz | 193 g 0.43 lbs 6.83 oz |
| Volume | 92.16 cm³ 5.6 in³ | 99.5 cm³ 6.04 in³ | 97.26 cm³ 5.91 in³ | 99.73 cm³ 6.06 in³ |
| Colors | Prism Crush Blue Prism Crush Black Prism Crush Pink Prism Crush White | Awesome Violet Awesome Lime Awesome Graphite Awesome White | Chalk Charcoal Sage | Sea Snow Charcoal Coral |
| Body materials | Plastic | Plastic | Aluminium alloy | Aluminium alloy Plastic |
| Certification | - | IP67 | IP67 | IP67 |
SIM card
The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.
| SIM card type | Nano-SIM | Nano-SIM Nano-SIM / microSD | Nano-SIM | Nano-SIM eSIM |
| Number of SIM cards | 2 | 2 | 2 | 1 |
| Features | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) | - |
Networks
A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.
| GSM | GSM 850 MHz (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2) | GSM 850 MHz (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2) | GSM 850 MHz (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2) | GSM 850 MHz (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2) |
| CDMA | - | - | CDMA 800 MHz (BC0) CDMA 1900 MHz (BC1) CDMA 800 MHz (BC10) | - |
| UMTS | UMTS 850 MHz (B5) UMTS 900 MHz (B8) UMTS 1900 MHz (B2) UMTS 2100 MHz (B1) | UMTS 850 MHz (B5) UMTS 900 MHz (B8) UMTS 1900 MHz (B2) UMTS 2100 MHz (B1) | UMTS 800 MHz (B6) UMTS 800 MHz (B19) UMTS 850 MHz (B5) UMTS 900 MHz (B8) UMTS 1700 MHz (B4) UMTS 1900 MHz (B2) UMTS 2100 MHz (B1) | UMTS 800 MHz (B6) UMTS 800 MHz (B19) UMTS 850 MHz (B5) UMTS 900 MHz (B8) UMTS 1700 MHz (B4) UMTS 1900 MHz (B2) UMTS 2100 MHz (B1) |
| LTE | LTE-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1800 MHz (B3) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) | LTE-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1800 MHz (B3) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) | LTE-FDD 700 MHz (B12) LTE-FDD 700 MHz (B13) LTE-FDD 700 MHz (B14) LTE-FDD 700 MHz (B17) LTE-FDD 700 MHz (B28) LTE-FDD 700 MHz (B29) LTE-FDD 800 MHz (B20) LTE-FDD 850 MHz (B5) LTE-FDD 850 MHz (B18) LTE-FDD 850 MHz (B19) LTE-FDD 850 MHz (B26) LTE-FDD 900 MHz (B8) LTE-FDD 1500 MHz (B32) LTE-FDD 1700 MHz (B4) LTE-FDD 1700 MHz (B66) LTE-FDD 1800 MHz (B3) LTE-FDD 1900 MHz (B2) LTE-FDD 1900 MHz (B25) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE-FDD 2300 MHz (B30) LTE-TDD 5200 MHz (B46) LTE-TDD 3500 MHz (B46) LTE-FDD 600 MHz (B71) | LTE-FDD 700 MHz (B12) LTE-FDD 700 MHz (B13) LTE-FDD 700 MHz (B14) LTE-FDD 700 MHz (B17) LTE-FDD 700 MHz (B28) LTE-FDD 700 MHz (B29) LTE-FDD 800 MHz (B20) LTE-FDD 850 MHz (B5) LTE-FDD 850 MHz (B18) LTE-FDD 850 MHz (B19) LTE-FDD 850 MHz (B26) LTE-FDD 900 MHz (B8) LTE-FDD 1500 MHz (B32) LTE-FDD 1700 MHz (B4) LTE-FDD 1700 MHz (B66) LTE-FDD 1800 MHz (B3) LTE-FDD 1900 MHz (B2) LTE-FDD 1900 MHz (B25) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE-FDD 2300 MHz (B30) LTE-TDD 5200 MHz (B46) LTE-TDD 3500 MHz (B46) LTE-FDD 600 MHz (B71) |
| 5G NR | - | 5G-FDD 1800 MHz (n3) 5G-FDD 2100 MHz (n1) 5G-TDD 2500 MHz (n41) 5G-TDD 3500 MHz (n78) 5G-TDD 4700 MHz (n79) | 5G-FDD 600 MHz (n71) 5G-FDD 700 MHz (n12) 5G-FDD 700 MHz (n28) 5G-FDD 850 MHz (n5) 5G-FDD 900 MHz (n8) 5G-FDD 1700 MHz (n66) 5G-FDD 1800 MHz (n3) 5G-FDD 1900 MHz (n2) 5G-FDD 2100 MHz (n1) 5G-TDD 2500 MHz (n41) 5G-FDD 2600 MHz (n7) 5G-TDD 3500 MHz (n78) 5G-TDD 3700 MHz (n77) | 5G-FDD 600 MHz (n71) 5G-FDD 700 MHz (n12) 5G-FDD 700 MHz (n28) 5G-FDD 800 MHz (n20) 5G-FDD 850 MHz (n5) 5G-FDD 900 MHz (n8) 5G-FDD 1700 MHz (n66) 5G-FDD 1800 MHz (n3) 5G-FDD 1900 MHz (n2) 5G-FDD 1900 MHz (n25) 5G-FDD 2100 MHz (n1) 5G-TDD 2300 MHz (n40) 5G-TDD 2500 MHz (n41) 5G-FDD 2600 MHz (n7) 5G-TDD 2600 MHz (n38) 5G-TDD 3500 MHz (n78) 5G-TDD 3700 MHz (n77) 5G mmWave 39 GHz (n260) 5G mmWave 28 GHz (n261) |
Mobile network technologies and bandwidth
Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.
| Mobile network technologies | UMTS EDGE GPRS HSPA+ LTE Cat 12 | UMTS EDGE GPRS HSPA+ LTE 5G NSA 5G SA | UMTS EDGE GPRS HSPA+ LTE EV-DO Rev. A | UMTS EDGE GPRS HSPA+ LTE EV-DO Rev. A 5G NSA 5G SA |
| - | - | 4x4 MIMO | 4x4 MIMO |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | Android 10 | Android 13 | Android 11 Android 12 Android 13 Android 14 | Android 13 |
| User interface (UI) | One UI 2.0 | One UI 5.1 | - | - |
System on Chip (SoC)
A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.
| SoC | Samsung Exynos 7 Octa 9611 | Exynos 1380 | Google Tensor | Google Tensor G2 |
| Process technology | 10 nm | 5 nm | 5 nm | 5 nm |
| CPU | 4x 2.3 GHz ARM Cortex-A73, 4x 1.7 GHz ARM Cortex-A53 | 4x 2.4 GHz ARM Cortex-A78, 4x 2.0 GHz ARM Cortex-A55 | 2x 2.8 GHz ARM Cortex-X1, 2x 2.25 GHz ARM Cortex-A76, 4x 1.8 GHz ARM Cortex-A55 | 2x 2.85 GHz ARM Cortex-X1, 2x 2.35 GHz ARM Cortex-A76, 4x 1.8 GHz ARM Cortex-A55 |
| CPU bits | 64 bit | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8.4-A | - | ARMv9-A |
| Level 3 cache memory (L3) | - | - | 4096 KB 4 MB | 4096 KB 4 MB |
| CPU cores | 8 | 8 | 8 | 8 |
| CPU frequency | 2300 MHz | 2400 MHz | 2800 MHz | 2850 MHz |
| GPU | ARM Mali-G72 MP3 | ARM Mali-G68 MP5 | ARM Mali-G78 MP20 | ARM Mali-G710 MP7 |
| GPU cores | 3 | - | 20 | 10 |
| GPU frequency | - | - | 848 MHz | - |
| RAM capacity | 4 GB 6 GB 8 GB | 6 GB 8 GB | 6 GB | 8 GB |
| RAM type | LPDDR4X | LPDDR4X | LPDDR4X | LPDDR5 |
| RAM channels | Double channel | Double channel | Double channel | Quad channel |
| RAM frequency | - | - | 2133 MHz | 3200 MHz |
| - | - | Titan M security module | Titan M2 security chip |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 64 GB 128 GB | 128 GB 256 GB | 128 GB | 128 GB |
| - | - | - | UFS 3.1 |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC microSDXC | microSD microSDHC microSDXC | - | - |
Display
The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.
| Type/technology | Super AMOLED | Super AMOLED | OLED | OLED |
| Diagonal size | 6.5 in 165.1 mm 16.51 cm | 6.4 in 162.56 mm 16.26 cm | 6.1 in 154.94 mm 15.49 cm | 6.1 in 154.94 mm 15.49 cm |
| Width | 2.67 in 67.75 mm 6.78 cm | 2.68 in 68.12 mm 6.81 cm | 2.56 in 64.93 mm 6.49 cm | 2.5 in 63.58 mm 6.36 cm |
| Height | 5.93 in 150.56 mm 15.06 cm | 5.81 in 147.6 mm 14.76 cm | 5.54 in 140.68 mm 14.07 cm | 5.56 in 141.29 mm 14.13 cm |
| Aspect ratio | 2.222:1 | 2.167:1 | 2.167:1 | 2.222:1 |
| Resolution | 1080 x 2400 pixels | 1080 x 2340 pixels | 1080 x 2340 pixels | 1080 x 2400 pixels |
| Pixel density | 405 ppi 159 ppcm | 403 ppi 158 ppcm | 422 ppi 165 ppcm | 431 ppi 169 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 87.72 % | 83.13 % | 83.86 % | 81.34 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| - | 2.5D curved glass screen Infinity-O Display 120 Hz refresh rate | - | 2.5D curved glass screen Corning Gorilla Glass 3 90 Hz refresh rate 1000000:1 |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope Fingerprint | Light Accelerometer Compass Gyroscope Geomagnetic Fingerprint Hall Virtual Proximity Sensor | Proximity Light Accelerometer Compass Gyroscope Barometer Fingerprint | Proximity Light Accelerometer Gyroscope Barometer Magnetometer Fingerprint |
| In-display fingerprint sensor | In-display fingerprint sensor | In-display fingerprint sensor | In-display optical fingerprint sensor |
Rear camera
The primary camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.
| Sensor model | Samsung S5KGM2 | - | - | - |
| Sensor type | ISOCELL | CMOS BSI | - | CMOS BSI |
| Sensor format | 1/2.25" | - | 1/2.55" | 1/1.73" |
| Pixel size | 0.8 µm 0.000800 mm | - | 1.4 µm 0.001400 mm | 0.8 µm 0.000800 mm |
| Aperture | f/2 | f/1.8 | f/1.7 | f/1.89 |
| Focal length and 35 mm equivalent | - | 5.23 mm 26 mm *(35 mm / full frame) | 28 mm *(35 mm / full frame) | 26 mm *(35 mm / full frame) |
| Field of view | - | 81 ° | 77 ° | 80 ° |
| Number of lenses | 6 | 6 | - | - |
| Flash type | LED | LED | Dual LED | Dual LED |
| Image resolution | 8000 x 6000 pixels 48 MP | 8190 x 6120 pixels 50.12 MP | 4032 x 3024 pixels 12.19 MP | 9280 x 6920 pixels 64.22 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 3840 x 2160 pixels 8.29 MP | 3840 x 2160 pixels 8.29 MP | 3840 x 2160 pixels 8.29 MP |
| Video FPS | 30 fps | 30 fps | 60 fps | 60 fps |
| Features | Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Phase detection autofocus (PDAF) | Autofocus Continuous shooting Digital zoom Digital image stabilization Optical image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Phase detection autofocus (PDAF) | Autofocus Continuous shooting Digital zoom Digital image stabilization Optical image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Phase detection autofocus (PDAF) Night Sight Magic Eraser | Autofocus Continuous shooting Digital zoom Optical zoom Digital image stabilization Optical image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Macro mode Phase detection autofocus (PDAF) Laser autofocus (LAF) |
| Pixel size - 1.6 μm (4-in-1 pixel binning) Sensor type - ISOCELL PLUS Super Phase Detection Secondary rear camera - 12 MP (ultra-wide angle) Aperture size - f/2.2 (#2) Pixel size - 1.12 μm (#2) Third rear camera - 5 MP (macro) Aperture size - f/2.4 (#3) Fourth rear camera - 5 MP (depth-sensing) Aperture size - f/2.2 (#3) Pixel size - 1.12 μm (#3) | 10x digital zoom Pixel size - 1.6 μm (4-in-1 pixel binning) Secondary rear camera - 12 MP (ultra-wide-angle) Sensor model - Samsung S5K3L6 (#2) Sensor size - 1/3.1" (#2) Pixel size - 1.12 μm (#2) Aperture size - f/2.2 (#2) Angle of view - 123° (#2) Third rear camera - 5 MP (macro) Aperture size - f/2.4 (#3) Pixel size - 1.12 μm (#3) | Phase detection with Dual Pixel 1080p @ 120 fps 720p @ 240 fps Secondary rear camera - 12 MP (ultra-wide-angle) Pixel size - 1.0 μm (#2) Aperture - f/2.2 (#2) Angle of view - 117° (#2) | Secondary rear camera - 13 MP (ultra-wide) Pixel size - 1.12 μm (#2) Aperture size - f/2.2 (#2) Angle of view - 120˚ (#2) Auto-focus with dual pixel phase detection (#2) |
Front camera
Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.
| Sensor model | Samsung S5KGD1 | Sony IMX616 | - | - |
| Sensor type | ISOCELL | CMOS | - | CMOS BSI |
| Sensor format | 1/2.8" | 1/2.8" | - | - |
| Pixel size | 0.8 µm 0.000800 mm | 0.8 µm 0.000800 mm | 1.12 µm 0.001120 mm | 1.12 µm 0.001120 mm |
| Aperture | f/2.2 | f/2.2 | f/2 | f/2.2 |
| Focal length and 35 mm equivalent | - | 3.72 mm | - | - |
| Field of view | - | 26 ° | 83 ° | 95 ° |
| Image resolution | 6560 x 4928 pixels 32.33 MP | 6528 x 5480 pixels 35.77 MP | 3264 x 2448 pixels 7.99 MP | 4160 x 3120 pixels 12.98 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 3840 x 2160 pixels 8.29 MP | 1920 x 1080 pixels 2.07 MP | 3840 x 2160 pixels 8.29 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 30 fps |
| Features | Face unlock | Face unlock Face detection | Face unlock HDR Real Tone | Face unlock HDR Face detection |
| Sensor type - ISOCELL Slim | - | - | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece Stereo speakers | Loudspeaker Earpiece | Loudspeaker Earpiece Stereo speakers |
| - | - | Active noise cancellation HAC (M3/T3) - Hearing Aid Compatibility | Active noise cancellation Two microphones HAC (M3/T3) - Hearing Aid Compatibility |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | No | No | No |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS GLONASS BeiDou Galileo | GPS A-GPS GLONASS BeiDou Galileo | GPS A-GPS GLONASS BeiDou Galileo QZSS | GPS A-GPS GLONASS BeiDou Galileo QZSS |
Wi-Fi
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
| Wi-Fi | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Wi-Fi 6 (802.11ax) Dual band Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display Wi-Fi 6 (802.11ax) |
| - | - | 2x2 MIMO | MIMO HE160 |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.0 | 5.3 | 5.2 | 5.3 |
| Features | A2DP AVRCP DIP HFP HID HSP MAP OPP PAN PBAP HOGP | A2DP AVRCP DIP HFP HID HSP MAP OPP PAN PBAP HOGP | A2DP LE | A2DP LE |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | USB Type-C | USB Type-C | USB Type-C | USB Type-C |
| Version | 2.0 | 2.0 | 3.1 | 3.2 |
| Features | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go |
Headphone jack
The headphone jack is an audio phone connector, a.k.a. an audio jack. The most widely used one in mobile devices is the 3.5 mm headphone jack.
| Headphone jack | Yes | No | Yes | No |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering NFC VoLTE ANT+ | Computer sync OTA sync Tethering NFC VoLTE MST | Computer sync OTA sync Tethering NFC VoLTE | Computer sync OTA sync Tethering NFC VoLTE |
Browser
A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.
| Browser | HTML HTML5 CSS 3 | HTML HTML5 CSS 3 | HTML HTML5 CSS 3 | HTML HTML5 CSS 3 |
Audio file formats/codecs
Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.
| Audio file formats/codecs | AAC AMR AMR-WB eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV | AAC AMR FLAC M4A MIDI MP3 OGG WAV 3GA OGA AWB MID XMF MXMF IMY RTTTL RTX OTA | AAC AAC+ AMR AMR-WB aptX aptX HD eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV LDAC | AAC AAC+ AMR AMR-WB aptX aptX HD eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV LDAC |
Video file formats/codecs
Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.
| Video file formats/codecs | 3GPP 3GPP2 AVI Flash Video H.263 H.264 H.265 MKV MP4 VC-1 VP8 VP9 WebM WMV WMV7 WMV8 Xvid | 3GPP AVI MKV MP4 M4V 3G2 FLV WEBM | 3GPP AVI DivX Flash Video H.263 H.264 H.265 MKV QuickTime MP4 VC-1 VP8 WebM WMV Xvid | 3GPP AVI DivX Flash Video H.263 H.264 H.265 MKV QuickTime MP4 VC-1 VP8 WebM WMV Xvid |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 4000 mAh | 5000 mAh | 4680 mAh | 4385 mAh |
| Type | Li-Ion | Li-Ion | Li-Polymer | Li-Polymer |
| Charger output power | 5 V / 2 A 9 V / 1.67 A | 5 V / 5 A | 5 V / 6 A 6 V / 5 A | 5 V / 4 A |
| Quick charge technology | - | - | Power Delivery 3.0 | Power Delivery 3.0 |
| Features | Fast charging Non-removable | Fast charging Non-removable | Fast charging Non-removable | Wireless charging Fast charging Non-removable |
| - | - | Adaptive battery Extreme Battery Saver | Qi wireless charging - 18 W |
Specific Absorption Rate (SAR)
The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.
| Head SAR (EU) | 0.369 W/kg | 0.693 W/kg | 0.99 W/kg | 0.99 W/kg |
| Body SAR (EU) | 1.59 W/kg | 1.338 W/kg | 1.31 W/kg | 1.3 W/kg |
| Head SAR (USA) | 0.8 W/kg | 0.81 W/kg | 1.19 W/kg | 1.2 W/kg |
| Body SAR (USA) | 0.67 W/kg | 0.67 W/kg | 1.19 W/kg | 0.95 W/kg |
| Simultaneous Head SAR (USA) | - | - | 1.58 W/kg | 1.58 W/kg |
| Simultaneous Body SAR (USA) | - | - | 1.45 W/kg | 1.58 W/kg |
| Head SAR (India) | - | 1.13 W/kg | 1.1 W/kg | 1.19 W/kg |
| Body SAR (India) | - | - | 1.6 W/kg | 1.06 W/kg |
| Wi-Fi Hotspot SAR | - | 1.06 W/kg | 1 W/kg | 0.99 W/kg |
| Simultaneous Wi-Fi SAR | - | 1.44 W/kg | 1.59 W/kg | 1.59 W/kg |
| FCC ID | - | - | A4RGB62Z | A4RGHL1X |
| Samsung Galaxy A51 | Samsung Galaxy A54 5G | Google Pixel 6a | Google Pixel 7a |