Google Pixel 9a vs Tecno Spark 20
Compared 2 smartphones : Google Pixel 9a Manufactured in April, 2025, with display 6.3 with chipsetGoogle Tensor G4, vs Tecno Spark 20, Manufactured in January, 2023 with chipsetMediaTek Helio G85. 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 190g
- Higher battery capacity: 5100mAh vs 5000mAh
- Newer Bluetooth version: 5.3 vs 5.2
- Supports newer USB: 3.2 vs 2
- Supports DisplayPort
- Built-in eSIM
Reasons to choose Tecno Spark 20
- Larger display: 6.6in
- Includes charger
Versions
| Memory Options | - 8/128 GB - 8/256 GB |
- 4/128 GB - 8/128 GB - 8/256 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 | IPS LCD |
| Size | 6.3 in | 6.6 in |
| Resolution | 1080x2424 pixels | 720x1612 pixels |
| Aspect ratio | 20:9 | 20:9 |
| Pixel density | 422 ppi | 267 ppi |
| Refresh rate | 120 Hz | 90 Hz |
| Adaptive refresh rate | Yes (60-120 Hz) | No |
| Max brightness | 2700 nits | 500 nits |
| HDR support | Yes HDR10+ | No |
| Screen-to-body ratio | 84.5 % | 85 % |
| Features | - DCI-P3 - Always-On Display |
n/a |
Design & Build
| Height | 154.7 mm (6.09 in) | 163.69 mm (6.44 in) |
| Width | 73.3 mm (2.89 in) | 75.6 mm (2.98 in) |
| Thickness | 8.9 mm (0.35 in) | 8.45 mm (0.33 in) |
| Weight | 186 g (6.56 oz) | 190 g (6.7 oz) |
| Water resistance | IP68 | IP53 |
| Back panel | Plastic | Plastic |
| Frame | Metal | Plastic |
| Colors | - White - Black - Red - Purple |
- White - Black - Gold - Blue |
| Fingerprint sensor | Yes In-Display | Yes In-Button |
Screen-to-body ratio
Performance
| Chipset | Google Tensor G4 | MediaTek Helio G85 |
| Max Frequency | 3100 MHz | 2000 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 (Cortex-A75) |
| Process | Samsung | TSMC |
| Transistor Size | 4 nm | 12 nm |
| Neural Processor | Yes | Yes |
| Graphics | Mali-G715 MP7 | Mali-G52 MP2 |
| GPU Cores | 896 | 48 |
| GPU Frequency | 940 MHz | 1000 MHz |
| FLOPS | 1792 GFLOPS | 96 GFLOPS |
| Geekbench 6 (Single-Core) | 1677 | 427 |
| Geekbench 6 (Multi-Core) | 4067 | 1461 |
| Geekbench Compute (GPU) | 7784 | n/a |
| CPU | 161737 | 82644 |
| GPU | 464865 | 39001 |
| Memory | 191750 | 69641 |
| UX | 172727 | 75614 |
| NanoReview Score | 991079 | 266900 |
Memory
| RAM Size | 8 GB | 8 GB |
| Memory Type | LPDDR5X | LPDDR4X |
| Memory Frequency | 4200 MHz | 1800 MHz |
| Channels | 4 | 2 |
| Storage Capacity | - 128 GB - 256 GB | 256 GB |
| Storage Type | UFS 3.1 | eMMC 5.1 |
| Memory Card | No | MicroSD |
Software
| OS | Android 15 | Android 13 |
| UI Skin | Stock Android | HiOS 13 |
Battery
| Volume | 5100 mAh | 5000 mAh |
| Max Charging Power | 23 W | 18 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 (37% in 30 min) |
| Full Charge Time | n/a | 1:48 h |
Main camera
| Matrix | 48 MP | 50 MP |
| Photo resolution | 8000x6000 pixels | 8190x6144 pixels |
| Zoom | Digital | Digital |
| Flash | Dual LED | Dual LED |
| Stabilization | Optical | Digital |
| 8K Recording | No | No |
| 4K Recording | Yes (Up to 60 fps) | No |
| 1080p Recording | Yes (Up to 60 fps) | Yes (Up to 30 fps) |
| Slow Motion | 240 fps (1080p) | No |
| Wide-angle lens | 120 ° | n/a |
| Lenses count | Standard: 50 MP Ultra-wide: 13 MP |
Standard: 50 MP Depth: 0.08 MP |
| Features | - Bokeh effect - Pro mode - RAW support |
- Bokeh effect - Pro mode |
| Matrix | 50 MP | 50 MP |
| Aperture | f/1.7 | f/1.6 |
| Focal length | 25 mm | n/a |
| Sensor size | 1/1.2 | n/a |
| Pixel size | 0.8 μm | 0.64 μm |
| Autofocus | Phase autofocus (Dual Pixel) | Phase autofocus |
| Stabilization | Optical | Digital |
| Matrix | 13 MP | n/a |
| Aperture | f/2.2 | n/a |
| Sensor size | 1/3.1 | n/a |
| Stabilization | Digital | n/a |
Front camera
| Matrix | 13 MP | 32 MP |
| Photo resolution | 4032x3024 pixels | 6464x4864 pixels |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 20 mm | n/a |
| Sensor | CMOS | CMOS |
| Sensor size | 1/3.1 | n/a |
| Pixel size | 1.12 μm | n/a |
| Autofocus | n/a | No |
| Stabilization | Digital | Digital |
| Video resolution | 2160p (4K) at 30 fps | 1080p (Full HD) 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 | 5.2 |
| Bluetooth features | LE | LE |
| 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 - Galileo |
| NFC* | Yes | Varies by region |
| 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) | n/a |
| 3G Bands | UMTS/HSPA+/HSDPA 1, 2, 4, 5, 6, 8, 19 | n/a |
| 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) | n/a |
| LTE category | n/a | 7 |
| 5G Support | Yes | No |
Sound
| Speakers | Stereo | Stereo |
| 3.5 mm Jack | No | Yes |
| FM Radio | No | Yes |
| Dolby Atmos | No | No |
Other
| Class | Mid-range | Budget |
| Announced | March, 2025 yr | January, 2023 yr |
| Release Date | April, 2025 yr | January, 2023 yr |
| Launch Price ($) | 499 | 125 |
| Sensors | - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Proximity Sensor - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
| Charger Included | No | Yes 18 W |
*
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