Comparison between:
- Xiaomi Mi A1
- Google Pixel 4a
- Google Pixel 8 Pro
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Xiaomi Mi A1 | Google Pixel 4a | Google Pixel 8 Pro | |
 Prices |  Prices |  Prices | |
| Model alias | - | - | GC3VE G1MNW |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 75.8 mm 7.58 cm 0.249 ft 2.984 in | 69.4 mm 6.94 cm 0.228 ft 2.732 in | 76.5 mm 7.65 cm 0.251 ft 3.012 in |
| Height | 155.4 mm 15.54 cm 0.51 ft 6.118 in | 144 mm 14.4 cm 0.472 ft 5.669 in | 162.6 mm 16.26 cm 0.533 ft 6.402 in |
| Thickness | 7.3 mm 0.73 cm 0.024 ft 0.287 in | 8.2 mm 0.82 cm 0.027 ft 0.323 in | 8.8 mm 0.88 cm 0.029 ft 0.346 in |
| Weight | 168 g 0.37 lbs 5.93 oz | 143 g 0.32 lbs 5.04 oz | 213 g 0.47 lbs 7.51 oz |
| Volume | 85.99 cm³ 5.22 in³ | 81.95 cm³ 4.98 in³ | 109.46 cm³ 6.65 in³ |
| Colors | Gold Black Rose-gold Red | Just Black | Porcelain Bay Obsidian |
| Body materials | Metal | Glass Polycarbonate | Aluminium alloy Glass |
| Certification | - | - | 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 / microSD Nano-SIM | Nano-SIM | Nano-SIM eSIM |
| Number of SIM cards | 2 | 1 | 1 |
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 GSM 900 MHz GSM 1800 MHz GSM 1900 MHz | 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 UMTS 900 MHz UMTS 1900 MHz UMTS 2100 MHz | 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 800 MHz LTE 850 MHz LTE 900 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz LTE-TDD 1900 MHz (B39) 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 (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 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 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-SDL 1500 MHz (n75) 5G-SDL 1500 MHz (n76) 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) |
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 6 | UMTS EDGE GPRS HSPA+ LTE EV-DO Rev. A | UMTS EDGE GPRS HSPA+ LTE EV-DO Rev. A 5G NSA 5G SA |
| - | 2x2 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 7.1.2 Nougat Android 8.0 Oreo Android 8.1 Oreo Android 9.0 Pie | Android 10 | Android 14 |
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 | Qualcomm Snapdragon 625 (MSM8953) | Qualcomm Snapdragon 730G (SM7150-AB) | Google Tensor G3 |
| Process technology | 14 nm | 8 nm | 4 nm |
| CPU | 8x 2.0 GHz ARM Cortex-A53 | 2x 2.2 GHz ARM Cortex-A76, 6x 1.8 GHz ARM Cortex-A55 (Kryo 470) | 1x 3.0 GHz ARM Cortex-X3, 4x 2.4 GHz ARM Cortex-A715, 4x 2.15 GHz ARM Cortex-A510 |
| CPU bits | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8.2-A | ARMv9-A |
| CPU cores | 8 | 8 | 9 |
| CPU frequency | 2000 MHz | 2200 MHz | 3000 MHz |
| GPU | Qualcomm Adreno 506 | Qualcomm Adreno 618 | ARM Mali-G715 |
| GPU cores | - | - | 10 |
| GPU frequency | 650 MHz | 700 MHz | 890 MHz |
| RAM capacity | 4 GB | 6 GB | 12 GB |
| RAM type | LPDDR3 | LPDDR4X | LPDDR5X |
| RAM channels | Single channel | Double channel | Quad channel |
| RAM frequency | 933 MHz | 1866 MHz | 4266 MHz |
| - | Titan M Security Module | Rio TPU - 1.1 GHz 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 512 GB |
| - | UFS 2.1 | UFS 3.1 |
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 | IPS | OLED | OLED |
| Diagonal size | 5.5 in 139.7 mm 13.97 cm | 5.81 in 147.57 mm 14.76 cm | 6.71 in 170.43 mm 17.04 cm |
| Width | 2.7 in 68.49 mm 6.85 cm | 2.43 in 61.84 mm 6.18 cm | 2.75 in 69.84 mm 6.98 cm |
| Height | 4.79 in 121.76 mm 12.18 cm | 5.28 in 133.99 mm 13.4 cm | 6.12 in 155.47 mm 15.55 cm |
| Aspect ratio | 1.778:1 16:9 | 2.167:1 | 2.226:1 |
| Resolution | 1080 x 1920 pixels | 1080 x 2340 pixels | 1344 x 2992 pixels |
| Pixel density | 401 ppi 157 ppcm | 444 ppi 174 ppcm | 489 ppi 192 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 71.02 % | 83.18 % | 87.57 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Display manufacturer - Tianma Corning Gorilla Glass 3 2.5D curved glass screen LTPS (Low Temperature PolySilicon) 1000:1 contrast ratio 450 cd/m² | Ambient EQ Corning Gorilla Glass 3 Always-on Display HDR (UHDA certification) | 2.5D curved glass screen Gorilla Glass Victus 2 LTPO 1 Hz - 120 Hz VRR 1000000:1 1600 cd/m² HBM 2400 cd/m² peak brightness HDR |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope Fingerprint Hall | Proximity Light Accelerometer Compass Gyroscope Barometer Magnetometer Gravity | Proximity Light Accelerometer Gyroscope Barometer Thermometer Magnetometer Fingerprint |
| Fingerprint sensor model - Fingerprint Cards FPC1035 | Active Edge Motion Sense (Soli radar) | In-display optical fingerprint sensor Spectral sensor Flicker 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 | OmniVision OV12A10 | Sony IMX363 Exmor RS | - |
| Sensor type | PureCel | CMOS | CMOS BSI |
| Sensor size | 5.11 x 3.84 mm 0.25 in | - | - |
| Sensor format | - | 1/2.55" | 1/1.31" |
| Pixel size | 1.277 µm 0.001277 mm | 1.4 µm 0.001400 mm | 1.2 µm 0.001200 mm |
| Crop factor | 6.77 | - | - |
| ISO | 100 - 3200 | - | - |
| Aperture | f/2.2 | f/1.7 | f/1.68 |
| Focal length and 35 mm equivalent | 3.81 mm 25.81 mm *(35 mm / full frame) | 27 mm *(35 mm / full frame) | 26 mm *(35 mm / full frame) |
| Field of view | - | 77 ° | 82 ° |
| Number of lenses | 5 | - | - |
| Flash type | Dual LED | Dual LED | Dual LED |
| Image resolution | 4000 x 3000 pixels 12 MP | 4032 x 3024 pixels 12.19 MP | 8120 x 6180 pixels 50.18 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 | 30 fps | 60 fps |
| Features | Autofocus Continuous shooting Digital zoom 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 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) | 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) |
| Sensor type - PureCel Plus 720p @ 120 fps Secondary rear camera - 12 MP (telephoto) Sensor model - OmniVision OV13880 (#2) Pixel size - 1.0 μm (#2) Aperture size - f/2.6 (#2) 5-element lens (#2) Focal length (35 mm equivalent) - 50 mm (#2) | Phase detection with Dual Pixel 1080p @ 120 fps 720p @ 240 fps | Octa PD Secondary rear camera - 48 MP (ultra-wide) Pixel size - 0.8 μm (#2) Aperture size - f/1.95 (#2) Angle of view - 125.5˚ (#2) Quad PD (#2) OIS and EIS (#2) Third rear camera - 48 MP (telephoto) Sensor size - 1/2" (#3) Pixel size - 0.7 μm (#3) Aperture size - f/2.8 (#3) Angle of view - 21.8˚ (#3) 5x optical zoom (#3) OIS and EIS (#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 model | Samsung S5K5E8 | Sony IMX355 | - |
| Sensor type | CMOS BSI | CMOS | CMOS BSI |
| Sensor size | 2.9 x 2.15 mm 0.14 in | - | - |
| Sensor format | - | 1/3.92" | - |
| Pixel size | 1.119 µm 0.001119 mm | 1.12 µm 0.001120 mm | 1.22 µm 0.001220 mm |
| Crop factor | 11.99 | - | - |
| Aperture | f/2 | f/2 | f/2.2 |
| Focal length and 35 mm equivalent | 3 mm 35.96 mm *(35 mm / full frame) | 22 mm *(35 mm / full frame) | - |
| Field of view | - | 84 ° | 95 ° |
| Image resolution | 2592 x 1944 pixels 5.04 MP | 3264 x 2448 pixels 7.99 MP | 10.5 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 3840 x 2160 pixels 8.29 MP |
| Video FPS | 30 fps | 30 fps | 60 fps |
| Features | - | HDR Face detection Face unlock | Face unlock HDR Face detection Autofocus Digital image stabilization Optical image stabilization |
| - | 2 NIR cameras NIR flood emitter NIR dot projector | Dual PD |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece Stereo speakers | Loudspeaker Earpiece Stereo speakers |
| Dirac HD Sound DHS Audio Calibration Algorithm | Active noise cancellation HAC (M3/T3) - Hearing Aid Compatibility | 3 microphones Active noise cancellation HAC (M3/T3) - Hearing Aid Compatibility |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | No | No |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS GLONASS BeiDou | GPS A-GPS GLONASS Galileo | 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 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) Wi-Fi 7 (802.11be) Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display |
| - | 2x2 MiMO | 2x2 + 2x2 MIMO HE16 |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.2 | 5.0 | 5.3 |
| Features | A2DP HID | A2DP LE | A2DP LE |
| - | - | Dual antenna |
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 | 3.1 | 3.2 |
| Features | Charging Host Mass storage On-The-Go | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go |
| - | - | Gen 2 |
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 | Yes | No |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Infrared Tethering VoLTE | 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 |
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 AAC+ AC3 AMR eAAC+ FLAC MIDI MP3 OGG WMA WAV | 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 AVI H.263 H.264 MKV MP4 VC-1 VP8 Xvid | 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 | 3080 mAh | 3140 mAh | 5050 mAh |
| Type | Li-Polymer | Li-Polymer | Li-Polymer |
| Charger output power | 5 V / 2 A | 9 V / 2 A | 10 V / 3 A |
| Quick charge technology | - | USB Power Delivery 2.0 | Power Delivery 3.0 |
| Features | Fast charging Non-removable | Fast charging Non-removable | Wireless charging Fast charging Non-removable |
| Battery model: BN31 | - | Qi wireless charging - 23W Reverse wireless charging |
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) | 1.75 W/kg | 1.37 W/kg | 0.84 W/kg |
| Body SAR (EU) | 0.76 W/kg | 1.39 W/kg | 1.2 W/kg |
| Head SAR (USA) | 1.26 W/kg | 1.18 W/kg | 1.12 W/kg |
| Body SAR (USA) | 0.17 W/kg | 1.19 W/kg | 1.02 W/kg |
| Head SAR (India) | - | - | 1 W/kg |
| Body SAR (India) | - | - | 0.99 W/kg |
| Xiaomi Mi A1 | Google Pixel 4a | Google Pixel 8 Pro |