Side by side comparison and review of Samsung Galaxy A31 and Google Pixel 7a. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Samsung Galaxy A31 | Google Pixel 7a |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A315G/DS | GHL1X | |
| Form Factor | Touch | Touch | |
| Height | 159.3 mm | 152 mm | Samsung Galaxy A31 has greater height than Google Pixel 7a. |
| Width | 73.1 mm | 72.9 mm | Samsung Galaxy A31 has greater width than Google Pixel 7a. |
| Depth | 8.6 mm | 9 mm | Samsung Galaxy A31 is narrower than Samsung Galaxy A31. |
| Weight | 185 g | 193.5 g | Samsung Galaxy A31 is lighter than Samsung Galaxy A31. |
| Body Colour | Prism crush black | Sea | Snow | Charcoal | |
| Body Material | - | Tactile alloy frame, 3D thermoformed composite back | |
| Protection | - | Water-resistant, dust-resistant, fingerprint-resistant | |
| Waterproof (Water-resistant) | - | Yes | Google Pixel 7a is waterproof. |
| IP rating | - | IP67 | |
| Repairability Index | - | 8 (out of 10) | |
| SAR Value | 1.68 W/kg (body), 0.488 W/kg (head) | 2.99 W/kg (limb), 1.3 W/kg (body), 0.99 W/kg (head) | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy A31 | Google Pixel 7a |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Super AMOLED | OLED | |
| Screen Size (Display Size) | 6.4" | 6.1" | Samsung Galaxy A31 has larger screen size than Google Pixel 7a. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 2400 x 1080 pixels | Both phones have the same screen resolution. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | - | 429 ppi | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | - | 1000000:1 | |
| HDR | - | Yes | Google Pixel 7a has HDR. |
| Display Refresh Rate | - | 90 Hz | |
| Display Features | Night mode, Edge-to-Edge screen, Infinity U Display | Always-on display, Now Playing, Smooth Display (up to 90 Hz), High brightness mode, At a Glance | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy A31 | Google Pixel 7a |
|---|
| Processor Type (CPU) | - | Google Tensor G2 - with Titan M2 security | |
|---|---|---|---|
| Clock Speed | 2 GHz | - | |
| Processor Core Qty | 8-core | - |
| MEMORY | Samsung Galaxy A31 | Google Pixel 7a |
|---|
| RAM | 4 GB | LPDDR5 SDRAM - 8 GB | Google Pixel 7a has more RAM than Samsung Galaxy A31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | Google Pixel 7a has more internal memory than Samsung Galaxy A31. |
| User Memory | 46.2 GB | - | |
| Memory Interface | - | UFS 3.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | - |
| CAMERA | Samsung Galaxy A31 | Google Pixel 7a |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 2 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 64 Megapixel | Google Pixel 7a has better camera resolution than Samsung Galaxy A31. |
| Sensor Size | - | 1/1.73" | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.0 | F/1.89 | Google Pixel 7a has better lens aperture than Samsung Galaxy A31. |
| Field of View (FoV) | 80 degree(s) | 80 degree(s) | Both phones have the same lens field of view. |
| Pixel Size | - | 0.8 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Google Pixel 7a has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | 5x | Samsung Galaxy A31 has better digital zoom than Google Pixel 7a. |
| HDR Mode | - | Live HDR+ | |
| Camera Modes | Depth bokeh | Panorama, portrait mode, Night Sight, Long exposure mode, Top Shot, Super Res Zoom, Frequent Faces, Real Tone, Face Unblur, Magic Eraser, Portrait Light, Motion autofocus, Astrophotography timelapse, slow motion video at 240fps, Photo Unblur | |
| White Balance | - | Custom | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps | |
| Camera Features (Functions) | Live Focus | Electronic Image Stabiliser (EIS), Stereo Recording, HEVC (High Efficiency Video coding), Dual Exposure Controls, 4K Cinematic Pan video stabilisation, 4K Locked video stabilisation, 1080p Active video stabilisation, Fused video stabilisation, speech enhancement, Super Res Zoom up to 8x, Fast camera launcher, AVC (H.264), Wind noise reduction, Locked Folder, Quad PD Quad Bayer wide camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 13 Megapixel | Google Pixel 7a has better second camera resolution than Samsung Galaxy A31. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Field of View (2nd Camera) | 123 degree(s) | 120 degree(s) | Samsung Galaxy A31 has larger second camera lens field of view than Google Pixel 7a. |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Minimum Focal Length (2nd Camera) | 40 mm | - | |
| Camera Functions (2nd Camera) | Macro camera | - | |
| Camera Features (2nd Camera) | - | Dual Pixel Phase Detect Auto-Focus (PDAF), Lens correction |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Camera Functions (3rd Camera) | Depth camera | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 5 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Camera Functions (4th Camera) | Depth camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 20 Megapixel | 13 Megapixel | Samsung Galaxy A31 has better front camera resolution than Google Pixel 7a. |
| Lens Aperture (Front) | F/2.2 | F/2.2 | Both phones have the same front camera lens aperture. |
| Field of View (Front) | - | 95 degree(s) | |
| Pixel Size (Front) | - | 1.22 μm | |
| Focus Adjustment | Focus free | Focus free | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 3840 x 2160 (4K) at 30 fps |
| BATTERY AND CHARGING | Samsung Galaxy A31 | Google Pixel 7a |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4385 mAh | Samsung Galaxy A31 has larger battery capacity than Google Pixel 7a. |
|---|---|---|---|
| Wireless Charging | - | Yes | Google Pixel 7a can be charged wirelessly. |
| Wireless Charging Standards | - | Qi | |
| Talk Time | 1980 minutes | - | |
| Run Time Details | Active online usage (LTE): up to 20 hrs Active online usage (Wi-Fi): up to 20 hrs Playback (video): up to 22 hrs Playback (audio): up to 97 hrs Talk (LTE): up to 1980 min |
Mixed usage: up to 24 hrs Mixed usage (Extreme Battery Saver): up to 72 hrs |
| CELLULAR | Samsung Galaxy A31 | Google Pixel 7a |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Google Pixel 7a has more advanced generation mobile network. |
| Operating System | Android 10 | Android 13 | |
| User Interface | One UI | - | |
| Intelligent Assistant | - | Google Assistant | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Samsung Galaxy A31 | Google Pixel 7a |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | EDGE, HSDPA, HSPA+, LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 20, Band 28, Band 38, Band 40, Band 41, Band 66 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 21, Band 25, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1500 upper, FDD 1900+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n75, n76, n77, n78, n79, n40, n25, n12 | |
| 5G NR Frequency | - | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, SDL DL 1500+, SDL DL 1500-, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300, FDD 1900, n12 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | Wi-Fi 6E | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.3 BLE | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A31 | Google Pixel 7a |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | H.264 AVC, H.265 HEVC |
| FEATURES | Samsung Galaxy A31 | Google Pixel 7a |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, barometer, magnetometer, gyro sensor | |
| Security Devices | Fingerprint reader (under display) | Fingerprint reader (under display), face recognition | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Proximity Sensing | Dual microphones, MIMO technology, Noise suppression, Fast Charging, Google Cast, dual stereo speakers, 5 years of Security Updates, Private Compute Core, Built-in VPN powered by Google One, End-to-end security designed by Google, anti-phishing, anti-malware protection, Live Translate, Titan M2 Security Module, microphone toggle, camera toggle |
| OTHERS | Samsung Galaxy A31 | Google Pixel 7a |
|---|
| Included Accessories | Power adapter | SIM card removal tool, Quick switch adapter, USB-C to USB-C cable (1 m) | |
|---|---|---|---|
| Compliant Standards | - | IP67, HEARING AID M3/T3 | |
| Product Recycled Content | - | 100 % - aluminium housing |
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