Comparison between:
- Sony Xperia X Compact
- Google Pixel 4a
- Google Pixel 3a
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Sony Xperia X Compact | Google Pixel 4a | Google Pixel 3a | |
 Prices |  Prices |  Prices | |
| Model alias | F5321 | - | G020E G020F G020G G020H |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 65 mm 6.5 cm 0.213 ft 2.559 in | 69.4 mm 6.94 cm 0.228 ft 2.732 in | 71.1 mm 7.11 cm 0.233 ft 2.799 in |
| Height | 129 mm 12.9 cm 0.423 ft 5.079 in | 144 mm 14.4 cm 0.472 ft 5.669 in | 152.4 mm 15.24 cm 0.5 ft 6 in |
| Thickness | 9.5 mm 0.95 cm 0.031 ft 0.374 in | 8.2 mm 0.82 cm 0.027 ft 0.323 in | 7.6 mm 0.76 cm 0.025 ft 0.299 in |
| Weight | 135 g 0.3 lbs 4.76 oz | 143 g 0.32 lbs 5.04 oz | 147 g 0.32 lbs 5.19 oz |
| Volume | 79.66 cm³ 4.84 in³ | 81.95 cm³ 4.98 in³ | 82.35 cm³ 5 in³ |
| Colors | Black White Blue | Just Black | Black White Purple-ish |
| Body materials | Plastic | Glass Polycarbonate | Polycarbonate |
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 |
| Number of SIM cards | 1 | 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 GSM 900 MHz GSM 1800 MHz GSM 1900 MHz |
| CDMA | - | CDMA 800 MHz (BC0) CDMA 1900 MHz (BC1) CDMA 800 MHz (BC10) | CDMA 800 MHz CDMA 1900 MHz CDMA 800 MHz (B10) |
| UMTS | UMTS 800 MHz UMTS 850 MHz UMTS 900 MHz UMTS 1700/2100 MHz UMTS 1900 MHz UMTS 2100 MHz UMTS 800 MHz (B21) | UMTS 850 MHz (B5) UMTS 900 MHz (B8) UMTS 1700 MHz (B4) UMTS 1900 MHz (B2) UMTS 2100 MHz (B1) | UMTS 850 MHz UMTS 900 MHz UMTS 1700/2100 MHz UMTS 1900 MHz UMTS 2100 MHz |
| LTE | LTE 700 MHz Class 17 LTE 800 MHz LTE 850 MHz LTE 900 MHz LTE 1700/2100 MHz LTE 1800 MHz LTE 1900 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 850 MHz (B26) LTE 700 MHz (B12) LTE 700 MHz (B28) | 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-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE 700 MHz Class 13 LTE 700 MHz Class 17 LTE 800 MHz LTE 850 MHz LTE 900 MHz LTE 1700/2100 MHz LTE 1800 MHz LTE 1900 MHz LTE 2100 MHz LTE 2600 MHz LTE 700 MHz (B12) LTE 1900 MHz (B25) LTE 850 MHz (B26) LTE 700 MHz (B28) LTE 1500 MHz (B32) LTE 1700/2100 MHz (B66) |
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+ EV-DO Rev. A LTE Cat 11 |
| - | 2x2 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 6.0.1 Marshmallow Android 7.1.1 Nougat Android 8.0 Oreo | Android 10 | Android 9.0 Pie |
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 650 MSM8956 | Qualcomm Snapdragon 730G | Qualcomm Snapdragon 670 |
| Process technology | 28 nm | 8 nm | 10 nm |
| CPU | 2x 1.8 GHz ARM Cortex-A72, 4x 1.2 GHz ARM Cortex-A53 | 2x 2.2 GHz Kryo 470, 6x 1.8 GHz Kryo 470 | 2x 2.0 GHz Kryo 360, 6x 1.7 GHz Kryo 360 |
| CPU bits | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8 | ARMv8 | ARMv8 |
| CPU cores | 6 | 8 | 8 |
| CPU frequency | 1800 MHz | 2200 MHz | 2000 MHz |
| GPU | Qualcomm Adreno 510 | Qualcomm Adreno 618 | Qualcomm Adreno 615 |
| GPU frequency | 550 MHz | - | - |
| RAM capacity | 3 GB | 6 GB | 4 GB |
| RAM type | LPDDR3 | LPDDR4X | LPDDR4X |
| RAM channels | Double channel | Double channel | Double channel |
| RAM frequency | 933 MHz | 2133 MHz | 1866 MHz |
| - | Titan M Security Module | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 32 GB | 128 GB | 64 GB |
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 | 4.6 in 116.84 mm 11.68 cm | 5.81 in 147.57 mm 14.76 cm | 5.6 in 142.24 mm 14.22 cm |
| Width | 2.26 in 57.28 mm 5.73 cm | 2.49 in 63.17 mm 6.32 cm | 2.45 in 62.23 mm 6.22 cm |
| Height | 4.01 in 101.83 mm 10.18 cm | 5.25 in 133.37 mm 13.34 cm | 5.04 in 127.91 mm 12.79 cm |
| Aspect ratio | 1.778:1 16:9 | 2.111:1 | 2.056:1 |
| Resolution | 720 x 1280 pixels | 1080 x 2280 pixels | 1080 x 2220 pixels |
| Pixel density | 319 ppi 125 ppcm | 434 ppi 170 ppcm | 441 ppi 173 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 69.79 % | 84.58 % | 73.69 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Corning Gorilla Glass 4 Triluminos display for mobile X-Reality display Dynamic contrast enhancement | Ambient EQ Corning Gorilla Glass Always-on Display HDR (UHDA certification) | Dragontrail glass Always-On Display |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope Fingerprint | Proximity Light Accelerometer Gyroscope Barometer Magnetometer | Proximity Light Accelerometer Compass Gyroscope Fingerprint Hall |
| Step detector Step counter Fingerprint sensor model - Fingerprint Cards FPC1145 | Active Edge Motion Sense (Soli radar) | - |
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 | Sony Exmor RS | - | Sony IMX363 Exmor RS |
| Sensor type | CMOS | - | CMOS |
| Sensor size | 6.17 x 4.55 mm 0.3 in | - | - |
| Sensor format | - | 1/2.55" | 1/2.55" |
| Pixel size | 1.118 µm 0.001118 mm | 1.4 µm 0.001400 mm | 1.4 µm 0.001400 mm |
| Crop factor | 5.64 | - | - |
| ISO | 100 - 12800 | - | - |
| Aperture | f/2 | f/1.7 | f/1.8 |
| Focal length and 35 mm equivalent | 4.27 mm 24.1 mm *(35 mm / full frame) | 28 mm *(35 mm / full frame) | 4.4 mm 27 mm *(35 mm / full frame) |
| Field of view | - | 77 ° | 76 ° |
| Flash type | LED | Dual LED | Dual LED |
| Image resolution | 5520 x 4140 pixels 22.85 MP | 4032 x 3024 pixels 12.19 MP | 4032 x 3024 pixels 12.19 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 3840 x 2160 pixels 8.29 MP | 3840 x 2160 pixels 8.29 MP |
| Video FPS | 60 fps | 60 fps | 30 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 Hybrid auto focus (HAF) | 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 Digital image stabilization Optical image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode RAW Phase detection autofocus (PDAF) |
| Triple Image Sensing RGBC-IR sensor Wide angel G-lens | Phase detection with Dual Pixel 1080p @ 120 fps 720p @ 240 fps | Phase detection with Dual Pixel 1080p @ 120 fps 720p @ 240 fps |
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 | Sony Exmor R | - | - |
| Sensor type | CMOS | - | CMOS |
| Pixel size | - | 1.22 µm 0.001220 mm | 1.12 µm 0.001120 mm |
| ISO | 100 - 6400 | - | - |
| Aperture | f/2 | f/2 | f/2 |
| Focal length and 35 mm equivalent | 22 mm *(35 mm / full frame) | 22 mm *(35 mm / full frame) | - |
| Field of view | - | 84 ° | 84 ° |
| Auxiliary light | - | - | LED |
| Image resolution | 2592 x 1944 pixels 5.04 MP | 3264 x 2448 pixels 7.99 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps | 30 fps |
| Features | - | HDR Face detection Face unlock | - |
| - | 2 NIR cameras NIR flood emitter NIR dot projector | - |
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 |
| Clear Audio+ S-Force front surround | Active noise cancellation HAC (M3/T3) - Hearing Aid Compatibility | HAC (M3/T3) - Hearing Aid Compatibility |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | No | No |
| RDS | - | - |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS GLONASS | GPS A-GPS GLONASS Galileo | 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 Dual band Wi-Fi Hotspot Wi-Fi Direct | 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 |
| - | 2x2 MiMO | 2x2 MiMO |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.2 | 5.0 | 5.0 |
| Features | A2DP AVRCP DIP GAVDP GAP HDP HFP HID HSP LE MAP OPP PAN PBAP SPP | 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 |
| Version | 2.0 | 2.0 | 3.1 |
| Features | Charging Mass storage | 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 | Yes | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering DLNA NFC | Computer sync OTA sync Tethering NFC VoLTE | Computer sync OTA sync Tethering DLNA |
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+ AMR AMR-WB aptX eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV LDAC DSEE HX DSD | 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 DivX H.263 H.264 H.265 MKV MP4 VP8 VP9 WebM WMV 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 | 2700 mAh | 3140 mAh | 3000 mAh |
| Type | Li-Polymer | Li-Polymer | Li-Ion |
| 2G talk time | 11 h 660 min 0.5 days | - | - |
| 2G stand-by time | 710 h 42600 min 29.6 days | - | - |
| 3G talk time | 14 h 840 min 0.6 days | - | - |
| 3G stand-by time | 750 h 45000 min 31.3 days | - | - |
| 4G stand-by time | 670 h 40200 min 27.9 days | - | - |
| Charger output power | - | 9 V / 2 A | 5 V / 3 A 9 V / 2 A |
| Quick charge technology | Qualcomm Quick Charge 3.0 | USB Power Delivery 2.0 | - |
| Features | Fast charging Non-removable | Fast charging Non-removable | Fast charging Non-removable |
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) | 1.08 W/kg | 1.37 W/kg | 0.69 W/kg |
| Body SAR (EU) | 1.25 W/kg | 1.39 W/kg | 1.13 W/kg |
| Head SAR (USA) | 0.72 W/kg | 1.18 W/kg | 1.18 W/kg |
| Body SAR (USA) | 0.97 W/kg | 1.19 W/kg | 1.17 W/kg |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | - | - | G020E - SAR (Specific Absorption Rate) EU: head - 0.690 W/kg; body - 1.130 W/kg G020E - SAR (Specific Absorption Rate) US: head - 1.180 W/kg; body - 1.170 W/kg G020F - SAR (Specific Absorption Rate) EU: head - 0.720 W/kg; body - 0.810 W/kg G020F - SAR (Specific Absorption Rate) US: head - 1.180 W/kg; body - 0.870 W/kg G020G - SAR (Specific Absorption Rate) US: head - 1.150 W/kg; body - 1.190 W/kg G020H - SAR (Specific Absorption Rate) EU: head - 0.950 W/kg; body - 0.840 W/kg G020H - SAR (Specific Absorption Rate) US: head - 1.190 W/kg; body - 1.170 W/kg |
| Sony Xperia X Compact | Google Pixel 4a | Google Pixel 3a |