Comparison between:
- Samsung Galaxy A55
- Samsung Galaxy S24
- Samsung Galaxy S23
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Samsung Galaxy A55 | Samsung Galaxy S24 | Samsung Galaxy S23 | |
 |  Prices |  | |
| Model alias | SM-A556B SM-A556B/DS | SM-S921U SM-S921 | SM-S9110 SM-S911B SM-S911B/DS SM-S911E SM-S911E/DS SM-S911N SM-S911U SM-S911U1 SM-S911W |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 77.4 mm 7.74 cm 0.254 ft 3.047 in | 70.6 mm 7.06 cm 0.232 ft 2.78 in | 70.9 mm 7.09 cm 0.233 ft 2.791 in |
| Height | 161.1 mm 16.11 cm 0.529 ft 6.343 in | 147 mm 14.7 cm 0.482 ft 5.787 in | 146.3 mm 14.63 cm 0.48 ft 5.76 in |
| Thickness | 8.2 mm 0.82 cm 0.027 ft 0.323 in | 7.6 mm 0.76 cm 0.025 ft 0.299 in | 7.6 mm 0.76 cm 0.025 ft 0.299 in |
| Weight | 213 g 0.47 lbs 7.51 oz | 168 g 0.37 lbs 5.93 oz | 168 g 0.37 lbs 5.93 oz |
| Volume | 102.25 cm³ 6.21 in³ | 78.87 cm³ 4.79 in³ | 78.83 cm³ 4.79 in³ |
| Colors | Ice Blue Lilac Navy Blue Lemon Yellow | Gray Purple Gold Beige | Phantom Black Lavender Cream Green |
| Body materials | Aluminium alloy | Glass Aluminium alloy | Glass Metal |
| Certification | IP67 | IP68 | IP68 |
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 / microSD | Nano-SIM eSIM | Nano-SIM eSIM |
| Number of SIM cards | 2 | 1 | 1 |
| Features | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) | Dual SIM optional (A variant of the model with two SIM card slots is available) | Dual SIM optional (A variant of the model with two SIM card slots is available) |
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) |
| UMTS | UMTS 850 MHz (B5) UMTS 900 MHz (B8) UMTS 1700 MHz (B4) UMTS 1900 MHz (B2) UMTS 2100 MHz (B1) | UMTS 850 MHz (B5) UMTS 900 MHz (B8) UMTS 1700 MHz (B4) UMTS 1900 MHz (B2) UMTS 2100 MHz (B1) | UMTS 850 MHz (B5) UMTS 900 MHz (B8) UMTS 1700 MHz (B4) UMTS 1900 MHz (B2) UMTS 2100 MHz (B1) |
| LTE | LTE-FDD 700 MHz (B12) LTE-FDD 700 MHz (B17) LTE-FDD 700 MHz (B28) LTE-FDD 800 MHz (B20) LTE-FDD 850 MHz (B5) LTE-FDD 850 MHz (B26) LTE-FDD 900 MHz (B8) LTE-FDD 1700 MHz (B4) LTE-FDD 1700 MHz (B66) LTE-FDD 1800 MHz (B3) LTE-FDD 1900 MHz (B2) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) | LTE-FDD 700 MHz (B12) LTE-FDD 700 MHz (B13) LTE-FDD 700 MHz (B17) LTE-FDD 700 MHz (B28) LTE-FDD 800 MHz (B20) LTE-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1700 MHz (B4) LTE-FDD 1800 MHz (B3) LTE-FDD 1900 MHz (B2) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) LTE-TDD 1900 MHz (B39) LTE-TDD 2000 MHz (B34) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) | LTE-FDD 700 MHz (B12) LTE-FDD 700 MHz (B13) LTE-FDD 700 MHz (B17) LTE-FDD 700 MHz (B28) LTE-FDD 800 MHz (B20) LTE-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1700 MHz (B4) LTE-FDD 1800 MHz (B3) LTE-FDD 1900 MHz (B2) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) LTE-TDD 1900 MHz (B39) LTE-TDD 2000 MHz (B34) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) |
| 5G NR | 5G-FDD 700 MHz (n28) 5G-FDD 800 MHz (n20) 5G-FDD 850 MHz (n5) 5G-FDD 900 MHz (n8) 5G-FDD 1800 MHz (n3) 5G-FDD 2100 MHz (n1) 5G-TDD 2300 MHz (n40) 5G-TDD 2500 MHz (n41) 5G-TDD 2600 MHz (n38) 5G-TDD 3500 MHz (n78) 5G-TDD 3700 MHz (n77) | 5G-FDD 700 MHz (n28) 5G-FDD 850 MHz (n5) 5G-FDD 900 MHz (n8) 5G-FDD 1800 MHz (n3) 5G-FDD 2100 MHz (n1) 5G-TDD 2300 MHz (n40) 5G-FDD 2600 MHz (n7) 5G-TDD 3500 MHz (n78) 5G-TDD 3700 MHz (n77) | 5G-FDD 700 MHz (n28) 5G-FDD 850 MHz (n5) 5G-FDD 900 MHz (n8) 5G-FDD 1800 MHz (n3) 5G-FDD 2100 MHz (n1) 5G-TDD 2300 MHz (n40) 5G-FDD 2600 MHz (n7) 5G-TDD 3500 MHz (n78) 5G-TDD 3700 MHz (n77) |
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 5G SA 5G NSA | UMTS EDGE GPRS HSPA+ LTE 5G SA 5G NSA | UMTS EDGE GPRS HSPA+ LTE 5G SA 5G NSA |
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 14 | Android 14 | Android 13 |
| User interface (UI) | One UI 6.1 | One UI 6.1 | 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 1480 (S5E8845) | Qualcomm Snapdragon 8 Gen 3 for Galaxy (SM8650-AC) | Qualcomm Snapdragon 8 Gen 2 for Galaxy (SM8550-AC) |
| Process technology | 4 nm | 4 nm | 4 nm |
| CPU | 4x 2.75 GHz ARM Cortex-A78, 4x 2.05 GHz ARM Cortex-A55 | 1x 3.4 GHz ARM Cortex-X4, 3x 3.15 GHz ARM Cortex-A720, 2x 2.96 GHz ARM Cortex-A520, 2x 2.27 GHz ARM Cortex-A520 | 1x 3.36 GHz ARM Cortex-X3, 2x 2.8 GHz ARM Cortex-A715, 2x 2.8 GHz ARM Cortex-A710, 3x 2.0 GHz ARM Cortex-A710 |
| CPU bits | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8.2-A | ARMv9-A | ARMv9-A |
| Level 3 cache memory (L3) | - | - | 8192 KB 8 MB |
| CPU cores | 8 | 8 | 8 |
| CPU frequency | 2750 MHz | 3400 MHz | 3360 MHz |
| GPU | Xclipse 530 | Qualcomm Adreno 750 | Qualcomm Adreno 740 |
| GPU frequency | - | 1000 MHz | 719 MHz |
| RAM capacity | 8 GB 12 GB | 8 GB 12 GB | 8 GB |
| RAM type | LPDDR5 | LPDDR5X | LPDDR5X |
| RAM channels | Quad channel | Quad channel | Quad channel |
| RAM frequency | 3200 MHz | 4266 MHz | 4266 MHz |
| - | Snapdragon Cognitive ISP with Semantic Segmentation | Snapdragon Cognitive ISP with Semantic Segmentation |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 128 GB 256 GB | 128 GB 256 GB 512 GB | 128 GB 256 GB 512 GB |
| UFS | UFS 4.0 | UFS 4.0 |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | 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 | Dynamic AMOLED 2X | Dynamic AMOLED 2X |
| Diagonal size | 6.6 in 167.64 mm 16.76 cm | 6.2 in 157.48 mm 15.75 cm | 6.1 in 154.94 mm 15.49 cm |
| Width | 2.77 in 70.25 mm 7.03 cm | 2.6 in 65.99 mm 6.6 cm | 2.56 in 64.93 mm 6.49 cm |
| Height | 5.99 in 152.21 mm 15.22 cm | 5.63 in 142.99 mm 14.3 cm | 5.54 in 140.68 mm 14.07 cm |
| Aspect ratio | 2.167:1 | 2.167:1 | 2.167:1 |
| Resolution | 1080 x 2340 pixels | 1080 x 2340 pixels | 1080 x 2340 pixels |
| Pixel density | 390 ppi 153 ppcm | 416 ppi 163 ppcm | 422 ppi 165 ppcm |
| Color depth | 24 bit 16777216 colors | 30 bit 1073741824 colors | 30 bit 1073741824 colors |
| Display area | 86.03 % | 91.22 % | 88.34 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| 2.5D curved glass screen Corning Gorilla Glass Victus+ 120 Hz refresh rate 500 cd/m² HDR10+ | Corning Gorilla Glass Victus 2 Infinity-O Display Always-On Display LTPO 2500 cd/m² peak brightness 1-120 Hz refresh rate VRR HDR10+ Vision Booster technology | Corning Gorilla Glass Victus 2 Infinity-O Display Always-On Display 1200 cd/m² HBM 48-120 Hz refresh rate VRR HDR10+ Vision Booster technology |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Accelerometer Compass Gyroscope Barometer Geomagnetic Fingerprint | Proximity Light Accelerometer Compass Gyroscope Barometer Geomagnetic Fingerprint Hall Gravity | Proximity Light Accelerometer Compass Gyroscope Barometer Geomagnetic Fingerprint Hall |
| In-display fingerprint sensor | In-display ultrasonic fingerprint sensor | In-display ultrasonic 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 ISOCELL GN5 | Samsung ISOCELL GN5 |
| Sensor type | CMOS BSI | ISOCELL | ISOCELL |
| Sensor format | 1/1.96" | 1/2.55" | 1/2.55" |
| Pixel size | - | 1 µm 0.001000 mm | 1 µm 0.001000 mm |
| Aperture | f/1.8 | f/1.8 | f/1.8 |
| Focal length and 35 mm equivalent | - | - | 23 mm *(35 mm / full frame) |
| Field of view | - | 85 ° | 85 ° |
| Flash type | LED | LED | LED |
| Image resolution | 8190 x 6120 pixels 50.12 MP | 50 MP | 50 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 3840 x 2160 pixels 8.29 MP | 7680 x 4320 pixels 33.18 MP |
| Video FPS | 30 fps | 30 fps | 24 fps |
| Features | 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 Macro mode Phase detection autofocus (PDAF) | Autofocus Continuous autofocus Continuous shooting Digital zoom Optical zoom 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) Laser autofocus (LAF) Expert RAW Astro Hyperlapse Adaptive VDIS | 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 Phase detection autofocus (PDAF) |
| Secondary rear camera - 12 MP (ultra-wide angle) Sensor size - 1/3.06" (#2) Aperture size - f/2.2 (#2) Third rear camera - 5 MP (macro) Sensor size - 1/5" (#3) Aperture size - f/2.4 (#3) | Super Clear Glass Phase detection with Dual Pixel Object tracking AF Dual OIS HDR10+ video recording Adaptive Pixel Detail Enhancer in High Resolution mode Secondary rear camera - 12 MP (ultra-wide) Sensor size - 1/2.55" (#2) Pixel size - 1.4 μm (#2) Aperture size - f/2.2 (#2) Angle of view - 120° (#2) Focal length (35 mm equivalent) - 13 mm (#2) Third rear camera - 10 MP (telephoto) Sensor size - 1/3.94" (#3) Pixel size - 1.0 μm (#3) Aperture size - f/2.4 (#3) PDAF (#3) 3x optical zoom (#3) Angle of view - 36° (#3) Focal length (35 mm equivalent) - 69 mm (#3) | Super Clear Glass Phase detection with Dual Pixel Object tracking AF Dual OIS HDR10+ video recording Adaptive Pixel Detail Enhancer in High Resolution mode Secondary rear camera - 12 MP (ultra-wide) Sensor size - 1/2.55" (#2) Pixel size - 1.4 μm (#2) Aperture size - f/2.2 (#2) Angle of view - 120° (#2) Focal length (35 mm equivalent) - 13 mm (#2) Third rear camera - 10 MP (telephoto) Sensor size - 1/3.94" (#3) Pixel size - 1.0 μm (#3) Aperture size - f/2.4 (#3) PDAF (#3) 3x optical zoom (#3) Angle of view - 36° (#3) Focal length (35 mm equivalent) - 69 mm (#3) |
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 type | CMOS BSI | CMOS | CMOS |
| Sensor format | 1/2.74" | 1/2.82" | - |
| Pixel size | - | 0.7 µm 0.000700 mm | - |
| Aperture | f/2.2 | f/2.2 | f/2.2 |
| Focal length and 35 mm equivalent | - | 26 mm *(35 mm / full frame) | - |
| Field of view | - | 80 ° | - |
| Image resolution | 6560 x 4928 pixels 32.33 MP | 12 MP | 12 MP |
| Video resolution | 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 | 60 fps | 60 fps |
| Features | Face unlock HDR | Phase detection autofocus (PDAF) HDR Autofocus | Phase detection autofocus (PDAF) HDR Autofocus |
| - | Phase detection with Dual Pixel Auto HDR | Phase detection with Dual Pixel Auto HDR |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece Stereo speakers | Loudspeaker Earpiece Stereo speakers | Loudspeaker Earpiece Stereo speakers |
| Dolby Atmos | 384 kHz / 32-bit AKG audio Dolby Atmos | 384 kHz / 32-bit AKG audio Dolby Atmos |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | - | Yes | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS GLONASS BeiDou Galileo QZSS | GPS A-GPS GLONASS BeiDou Galileo QZSS | GPS A-GPS GLONASS BeiDou Galileo |
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 Wi-Fi 6 (802.11ax) 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) 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 |
| - | HE80 MiMO 1024-QAM | HE80 MiMO 1024-QAM |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.3 | 5.3 | 5.3 |
| Features | A2DP AVRCP HFP HID HSP MAP OPP PAN PBAP SAP DI HOGP | A2DP AVRCP DIP HFP HID HSP LE MAP OPP PAN PBAP SSC | A2DP AVRCP DIP HFP HID HSP LE MAP OPP PAN PBAP |
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 |
| Version | 2.0 | 3.2 | 3.2 |
| Features | 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 | No | No | No |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering NFC | Computer sync OTA sync Tethering NFC Ultra-wideband (UWB) MST | Computer sync OTA sync Tethering NFC |
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 |
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 | 3GPP AAC AMR-WB+ aptX aptX HD FLAC MIDI MP3 OGG WMA WAV LDAC SBC UHQ | AAC AMR aptX aptX HD FLAC M4A MIDI MP3 OGG WMA WAV 3GA OGA AWB MID XMF MXMF IMY RTTTL RTX OTA APE DSF DFF LDAC | AAC AMR aptX aptX HD FLAC M4A MIDI MP3 OGG WMA WAV 3GA OGA AWB MID XMF MXMF IMY RTTTL RTX OTA APE DSF DFF 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 MKV MP4 WebM M4V | AVI MKV MP4 WMV M4V 3GP 3G2 ASF FLV WEBM | AVI MKV MP4 WMV M4V 3GP 3G2 ASF FLV WEBM |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 5000 mAh | 4000 mAh | 3900 mAh |
| Type | Li-Ion | Li-Polymer | Li-Polymer |
| Charger output power | 5 V / 5 A | 5 V / 5 A | 5 V / 5 A |
| Features | Fast charging Non-removable | Wireless charging Fast charging Non-removable | Wireless charging Fast charging Non-removable |
| - | Qi/PMA wireless charging - 15 W Wireless reverse charging Fast Wireless Charging USB Power Delivery 3.0 | Qi/PMA wireless charging - 10W Wireless reverse charging - 4.5W Fast Wireless Charging USB Power Delivery 3.0 |
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) | 0.684 W/kg | - | 0.963 W/kg |
| Body SAR (EU) | 1.037 W/kg | - | 1.304 W/kg |
| Head SAR (USA) | - | - | 0.95 W/kg |
| Body SAR (USA) | - | - | 0.88 W/kg |
| Simultaneous Body SAR (USA) | - | - | 1.58 W/kg |
| Head SAR (India) | - | - | 0.896 W/kg |
| Wi-Fi Hotspot SAR | - | - | 1.24 W/kg |
| Simultaneous Wi-Fi SAR | - | - | 1.58 W/kg |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | - | S Pen | - |
| Samsung Galaxy A55 | Samsung Galaxy S24 | Samsung Galaxy S23 |