Samsung Galaxy A21s vs Google Pixel 6a
Here we compared two smartphones: the 6.5-inch Samsung Galaxy A21s (with Exynos 850) that was released on May 15, 2020, against the Google Pixel 6a, which is powered by Google Tensor and came out 24 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
Key differences
Reasons to consider the Samsung Galaxy A21s
- Shows 10% longer battery life (35:20 vs 32:11 hours)
- Expandable storage via MicroSD card up to 512GB
- Has a 0.4 inch larger screen size
- Comes with 590 mAh larger battery capacity: 5000 vs 4410 mAh
- Has 2 SIM card slots
- Includes a 3.5 mm headphone audio jack port
Reasons to consider the Google Pixel 6a
- Waterproof body (IP67 classification)
- 4.6x better performance in AnTuTu Benchmark (914K versus 197K)
- 59% higher pixel density (429 vs 270 PPI)
- Delivers 78% higher peak brightness (880 against 495 nits)
- Newer Bluetooth version (v5.2)
- Optical image stabilization
- Ability to record video in 4K resolution
- Slow-motion recording at 240FPS
- Uses a faster type of memory: LPDDR5 3200 MHz
- Compatible with Wi-Fi 6 wireless networks
- Stereo speakers
- More recent OS version: Android 13 versus 12
- OLED display (versus competitor''s PLS TFT)
Review
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Value for money
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | PLS TFT | OLED |
| Size | 6.5 inches | 6.1 inches |
| Resolution | 720 x 1600 pixels | 1080 x 2400 pixels |
| Aspect ratio | 20:9 | 20:9 |
| PPI | 270 ppi | 429 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Adaptive refresh rate | No | No |
| Max rated brightness | 540 nits | 500 nits |
| Max rated brightness in HDR | - | 1100 nits |
| HDR support | No | Yes, HDR10+ |
| Screen protection | Tempered glass | Corning Gorilla Glass 3 |
| Screen-to-body ratio | 82.8% | 83% |
| Display features | - |
- DCI-P3
- Always-On Display |
| RGB color space | 88.4% | 96.9% |
| PWM | 500 Hz | 240 Hz |
| Response time | 30.4 ms | 3 ms |
| Contrast | 1500:1 | ∞ Infinity |
Peak brightness test (auto)
Design and build
| Height | 163.6 mm (6.44 inches) | 152.2 mm (5.99 inches) |
| Width | 75.3 mm (2.96 inches) | 71.8 mm (2.83 inches) |
| Thickness | 8.9 mm (0.35 inches) | 8.9 mm (0.35 inches) |
| Weight | 192 g (6.77 oz) | 178 g (6.28 oz) |
| Waterproof | No | IP67 |
| Rear material | Plastic | Plastic |
| Frame material | Plastic | Metal |
| Colors | Black, Blue, Red | White, Black, Green |
| Fingerprint scanner | Yes, rear | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Samsung Exynos 850 | Google Tensor |
| Max clock | 2000 MHz | 2800 MHz |
| CPU cores | 8 (8) | 8 (2 + 2 + 4) |
| Architecture | - 8 cores at 2 GHz: Cortex-A55 |
- 4 cores at 1.8 GHz: Cortex A55
- 2 cores at 2.25 GHz: Cortex A76 - 2 cores at 2.8 GHz: Cortex-X1 |
| L3 cache | - | 4 MB |
| Lithography process | 8 nanometers | 5 nanometers |
| Graphics | Mali-G52 MP1 | Mali-G78 MP20 |
| GPU shading units | 24 | 1280 |
| GPU clock | 820 MHz | 848 MHz |
| FLOPS | ~39.4 GFLOPS | ~2170.9 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
| CPU | 66646 | - |
| GPU | 32355 | - |
| Memory | 60940 | - |
| UX | 36331 | 913000 |
| Total score | 197221 | 914585 |
3DMark Wild Life Performance
| Max surface temperature | 43.2 °C | 41.4 °C |
| Stability | 98% | 56% |
| Graphics test | 2 FPS | 37 FPS |
| Graphics score | 425 | 6194 |
PCMark 3.0
| Web score | 4688 | 6177 |
| Video editing | 5134 | 5806 |
| Photo editing | 9205 | 17969 |
| Data manipulation | 3986 | 9425 |
| Writing score | 5248 | 15432 |
Memory
| RAM size | 3, 4 GB | 6 GB |
| Memory type | LPDDR4X | LPDDR5 |
| Memory clock | 1866 MHz | 3200 MHz |
| Channels | 2 | 4 |
| Storage size | 32, 64 GB | 128 GB |
| Storage type | eMMC 5.1 | UFS 3.1 |
| Memory card | MicroSD | No |
| Memory card max size | Up to 512 GB | - |
Software
| Operating system | Android 10 (Can be upgraded to Android 12) | Android 12 (Can be upgraded to Android 13) |
| ROM | One UI 4.1 | Stock Android |
| OS size | 12 GB | 14.3 GB |
Battery
| Capacity | 5000 mAh | 4410 mAh |
| Max charge power | 15 W | 18 W |
| Battery type | Li-Po | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | No |
| Fast charging | Yes (50% in 60 min) | Yes (42% in 30 min) |
| Full charging time | 2:10 hr | 1:51 hr |
| Web browsing | 12:44 hr | 10:54 hr |
| Watching video | 14:21 hr | 16:44 hr |
| Gaming | 05:37 hr | 06:05 hr |
| Standby | 120 hr | 91 hr |
General battery life
Camera
| Matrix | 48 megapixels | 12.2 megapixels |
| Image resolution | 8000 x 6000 | 4032 x 3024 |
| Zoom | Digital | Digital |
| Flash | LED | Dual LED |
| Stabilization | Digital | Optical |
| 8K video recording | No | No |
| 4K video recording | No | Up to 60FPS |
| 1080p video recording | Up to 30FPS | Up to 60FPS |
| Slow motion | No | 240 FPS (1080p) |
| Angle of widest lens | 123° | 114° |
| Lenses | 4 (48 MP + 8 MP + 2 MP + 2 MP) | 2 (12.2 MP + 12 MP) |
| Wide (main) lens |
- 48 MP
- Aperture: f/2.0 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/2.0" (CMOS) - Phase autofocus |
- 12.2 MP
- Aperture: f/1.7 - Focal length: 27 mm - Pixel size: 1.4 micron - Sensor: 1/2.55", Sony IMX363 (Exmor-RS CMOS) - Phase autofocus (Dual Pixel) - Optical stabilization |
| Ultra-wide lens |
- 8 MP
- Aperture: f/2.2 - Pixel size: 1.12 micron - Sensor: 1/4.0" (CMOS) |
- 12 MP
- Aperture: f/2.2 - Focal length: 17 mm - Pixel size: 1.12 micron - Sensor: 1/2.9", Sony IMX386 (Exmor-RS CMOS) |
| Macro lens |
- 2 MP
- Aperture: f/2.4 |
- |
| Depth lens |
- 2 MP
- Aperture: f/2.4 |
- |
| Camera features | - Bokeh mode |
- Bokeh mode
- Pro mode - RAW support |
| Samples | - | Photo samples of Google Pixel 6a from DxOMark |
| Megapixels | 13 megapixels | 8 megapixels |
| Image resolution | 4128 x 3096 | 3840 x 2160 |
| Aperture | f/2.2 | f/2.0 |
| Focal length | - | 24 mm |
| Pixel size | 1.12 microns | 1.12 microns |
| Sensor type | CMOS | Exmor-RS CMOS |
| Sensor size | 1/3.1" | 1/2.8" |
| Video resolution | 1080p (Full HD) at 30 FPS | 1080p (Full HD) at 30 FPS |
DxOMark camera tests
Photo quality
Video quality
Generic camera score
Connectivity
| Wi-Fi standard | Wi-Fi 5 (802.11 a/b/g/n/ac) | Wi-Fi 6E (802.11 a/b/g/n/ac/ax) |
| Wi-Fi features |
- Dual Band
- Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band
- Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5 | 5.2 |
| Bluetooth features | PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP | LE, A2DP |
| USB type | USB Type-C | USB Type-C |
| USB version | 2 | 3.1 |
| USB features |
- Charging
- USB-Storage mode - OTG |
- Charging
- USB-Storage mode - OTG |
| GPS | GPS, GLONASS, Beidou, Galileo | GPS, GLONASS, Beidou, Galileo, QZSS |
| NFC * | Yes | Yes |
| Infrared port | No | No |
| Number of SIM * | 2 | 1 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | - |
| eSIM support * | No | Yes |
| Hybrid slot | No | No |
| LTE Cat * | 13 | 20 |
| 5G support | No | Yes |
Sound
| Speakers | Mono | Stereo |
| Headphone audio jack | Yes | No |
| FM radio | Yes | No |
| Dolby Atmos | Yes | Yes |
Speakers test
Max loudness
Other
| Category | Budget | Flagship |
| Announced | May 2020 | May 2022 |
| Release date | June 2020 | June 2022 |
| SAR (head) | 0.23 W/kg | - |
| SAR (body) | 1.38 W/kg | - |
| Sensors |
- Hall-effect sensor
- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Barometer
- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | - | Not included |
*
Disclaimer!
NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
After analyzing all the data, we think that the Google Pixel 6a is definitely a better buy.