Google Pixel 9a vs Samsung Galaxy A51 5G
76
out 100
VS
45
out 100
Compared 2 smartphones : Google Pixel 9a Manufactured in April, 2025, with display 6.3 with chipsetGoogle Tensor G4, vs Samsung Galaxy A51 5G, Manufactured in June, 2020 with chipsetSamsung Exynos 980. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Google Pixel 9a
- Higher pixel density: 422ppi
- Higher refresh rate: 120Hz
- Lighter design: 186g vs 187g
- Higher battery capacity: 5100mAh vs 4500mAh
- Newer Bluetooth version: 5.3 vs 5
- Supports newer USB: 3.2 vs 2
- Supports DisplayPort
- Built-in eSIM
Reasons to choose Samsung Galaxy A51 5G
- Larger display: 6.5in
- Supports Dolby Atmos
Versions
| Memory Options | - 8/128 GB - 8/256 GB |
- 6/128 GB - 8/128 GB |
Review
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
Adjust each parameter’s importance to find the best match for you.
Tests & specs
Specs & test comparisonDisplay
| Type | POLED | Super AMOLED |
| Size | 6.3 in | 6.5 in |
| Resolution | 1080x2424 pixels | 1080x2400 pixels |
| Aspect ratio | 20:9 | 20:9 |
| Pixel density | 422 ppi | 405 ppi |
| Refresh rate | 120 Hz | 60 Hz |
| Adaptive refresh rate | Yes (60-120 Hz) | No |
| Max brightness | 2700 nits | 400 nits |
| HDR support | Yes HDR10+ | No |
| Screen-to-body ratio | 84.5 % | 87.3 % |
| Features | - DCI-P3 - Always-On Display |
Always-On Display |
Design & Build
| Height | 154.7 mm (6.09 in) | 158.9 mm (6.26 in) |
| Width | 73.3 mm (2.89 in) | 73.6 mm (2.9 in) |
| Thickness | 8.9 mm (0.35 in) | 8.7 mm (0.34 in) |
| Weight | 186 g (6.56 oz) | 187 g (6.6 oz) |
| Water resistance | IP68 | No |
| Back panel | Plastic | Plastic |
| Frame | Metal | Metal |
| Colors | - White - Black - Red - Purple |
- White - Black - Pink |
| Fingerprint sensor | Yes In-Display | Yes In-Display |
Screen-to-body ratio
Performance
| Chipset | Google Tensor G4 | Samsung Exynos 980 |
| Max Frequency | 3100 MHz | 2200 MHz |
| CPU Cores | 8 (1 + 3 + 4) | 8 (2 + 6) |
| Architecture | - 4/1.92 (Cortex-A520) - 3/2.6 (Cortex-A720) - 1/3.1 (Cortex-X4) |
- 6/1.8 (Cortex-A55) - 2/2.2 (Cortex-A77) |
| Process | Samsung | Samsung |
| Transistor Size | 4 nm | 8 nm |
| Neural Processor | Yes | Yes |
| Graphics | Mali-G715 MP7 | Mali-G76 MP5 |
| GPU Cores | 896 | 180 |
| GPU Frequency | 940 MHz | 700 MHz |
| FLOPS | 1792 GFLOPS | 262.1 GFLOPS |
| Geekbench 6 (Single-Core) | 1677 | 863 |
| Geekbench 6 (Multi-Core) | 4067 | 2112 |
| Geekbench Compute (GPU) | 7784 | n/a |
| CPU | 161737 | 130998 |
| GPU | 464865 | 85094 |
| Memory | 191750 | 86339 |
| UX | 172727 | 104345 |
| NanoReview Score | 991079 | 406776 |
Memory
| RAM Size | 8 GB | 6 GB |
| Memory Type | LPDDR5X | LPDDR4X |
| Memory Frequency | 4200 MHz | 1866 MHz |
| Channels | 4 | 2 |
| Storage Capacity | - 128 GB - 256 GB | 128 GB |
| Storage Type | UFS 3.1 | UFS 2.0 |
| Memory Card | No | MicroSD |
Software
| OS | Android 15 | Android 10 (Upgradeable to Android 13) |
| OS Size | n/a | 22.7 GB |
| UI Skin | Stock Android | One UI 5.0 |
Battery
| Volume | 5100 mAh | 4500 mAh |
| Max Charging Power | 23 W | 15 W |
| Battery Type | Li-Po | Li-Po |
| Removable | No | No |
| Wireless Charging | Yes (7.5 W) | No |
| Reverse Charging | n/a | No |
| Fast Charging | Yes (50% in 30 min) | Yes (40% in 40 min) |
| Full Charge Time | n/a | 2:05 h |
| Web Browsing | n/a | 07:25 h |
| Video Playback | n/a | 12:09 h |
| Games | n/a | 05:11 h |
| Standby Mode | n/a | 81 h |
Main camera
| Matrix | 48 MP | 48 MP |
| Photo resolution | 8000x6000 pixels | 8000x6000 pixels |
| Zoom | Digital | Digital |
| Flash | Dual LED | LED |
| Stabilization | Optical | Digital |
| 8K Recording | No | No |
| 4K Recording | Yes (Up to 60 fps) | Yes (Up to 30 fps) |
| 1080p Recording | Yes (Up to 60 fps) | Yes (Up to 120 fps) |
| Slow Motion | 240 fps (1080p) | 960 fps (720p) |
| Wide-angle lens | 120 ° | 123 ° |
| Lenses count | Standard: 50 MP Ultra-wide: 13 MP |
Standard: 48 MP Ultra-wide: 12 MP Macro: 5 MP Depth: 5 MP |
| Features | - Bokeh effect - Pro mode - RAW support |
- Bokeh effect - Pro mode |
| Matrix | 50 MP | 48 MP |
| Aperture | f/1.7 | f/2.0 |
| Focal length | 25 mm | 26 mm |
| Sensor | n/a | Samsung S5KGM2 |
| Sensor size | 1/1.2 | 1/2 |
| Pixel size | 0.8 μm | 0.8 μm |
| Autofocus | Phase autofocus (Dual Pixel) | Phase autofocus |
| Stabilization | Optical | Digital |
| Matrix | 13 MP | 12 MP |
| Aperture | f/2.2 | f/2.2 |
| Focal length | n/a | 13 mm |
| Sensor size | 1/3.1 | n/a |
| Pixel size | n/a | 1.12 μm |
| Stabilization | Digital | Digital |
Front camera
| Matrix | 13 MP | 32 MP |
| Photo resolution | 4032x3024 pixels | 6560x4928 pixels |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 20 mm | 26 mm |
| Sensor | CMOS | Samsung S5KGD1 |
| Sensor size | 1/3.1 | 1/2.8 |
| Pixel size | 1.12 μm | 0.8 μm |
| Autofocus | n/a | No |
| Stabilization | Digital | Digital |
| Video resolution | 2160p (4K) at 30 fps | 2160p (4K) at 30 fps |
| TOF 3D sensor | No | No |
Connectivity
| Wi-Fi version | Wi-Fi 6E (802.11 a/b/g/n/ac/ax) | Wi-Fi 5 (802.11 a/b/g/n/ac) |
| Wi-Fi features | - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5.3 | 5 |
| Bluetooth features | LE | PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP |
| USB type | USB Type-C | USB Type-C |
| USB version | 3.2 | 2 |
| USB features | - Charging - USB Storage Mode - OTG |
- Charging - USB Storage Mode - OTG |
| DisplayPort | Yes | n/a |
| GPS | - GPS - GLONASS - Galileo |
- GPS - GLONASS - Beidou - Galileo |
| NFC* | Yes | Yes |
| Infrared Port | No | No |
| SIM Count* | 1 | 2 |
| SIM Type | Nano | Nano |
| SIM Mode | n/a | Dual SIM Standby |
| eSIM Support * | Yes | No |
| Hybrid Slot | No | No |
| 2G Bands | GSM/EDGE: Quad-band (850, 900, 1800, 1900 MHz) | GSM 850 / 900 / 1800 / 2100 / 2600 |
| 3G Bands | UMTS/HSPA+/HSDPA 1, 2, 4, 5, 6, 8, 19 | UMTS 850 / 900 / 1900 / 2100 |
| LTE Bands* | LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B17/B20/B25/B26/B28/B29/B30/B38/B41/B48/B66/B71) | LTE (B850/B900/B1800/B2100/B2600) |
| LTE category | n/a | 12 |
| 5G Support | Yes | Yes |
Sound
| Speakers | Stereo | Mono |
| 3.5 mm Jack | No | Yes |
| FM Radio | No | Yes |
| Dolby Atmos | No | Yes |
Other
| Class | Mid-range | Mid-range |
| Announced | March, 2025 yr | April, 2020 yr |
| Release Date | April, 2025 yr | June, 2020 yr |
| Launch Price ($) | 499 | 499 |
| Sensors | - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
| Charger Included | No | n/a |
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
Results
After analyzing the data, we consider Google Pixel 9a the clear winner in this comparison.
Survey
Total Votes: 0
