Samsung Galaxy S20 vs Google Pixel 6a

Here we compared two flagship smartphones: the 6.2-inch Samsung Galaxy S20 (with Exynos 9 Octa 990) that was released on February 11, 2020, against the Google Pixel 6a, which is powered by Google Tensor and came out 27 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy S20
  • Higher display refresh rate – 120 Hz
  • 31% higher pixel density (563 vs 429 PPI)
  • Supports wireless charging up to 15W
  • Expandable storage via MicroSD card up to 1000GB
  • The rear camera has a 1.1x optical zoom
  • Waterproof body (IP68 classification)
  • Slow-motion recording at 960FPS
  • Has 33% more RAM: 8GB versus 6GB
  • Has 2 SIM card slots
  • Thinner bezels – 6.5% more screen real estate
  • The front-facing camera can record video at 4K
Reasons to consider the Google Pixel 6a
  • Shows 32% longer battery life (32:23 vs 24:28 hours)
  • Newer Bluetooth version (v5.2)
  • Comes with 410 mAh larger battery capacity: 4410 vs 4000 mAh
  • The phone is 2-years and 3-months newer
  • 35% better performance in AnTuTu Benchmark (785K versus 582K)
  • Delivers 8% higher peak brightness (870 against 807 nits)
  • Faster storage type - UFS 3.1 versus UFS 3.0
  • More energy-efficient CPU – Google Tensor
  • 12% faster in single-core GeekBench 5 test: 1040 and 930 points

Review

Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation

Value for money

You can enter your local price of these phones (in USD or any other currency) and click on the "Calculate" button to see which one has a better value for money.
Price

Tests and specifications

Comparison table of technical specifications and tests
Phone:
vs

Display

Type Dynamic AMOLED OLED
Size 6.2 inches 6.1 inches
Resolution 1440 x 3200 pixels 1080 x 2400 pixels
Aspect ratio 20:9 20:9
PPI 563 ppi 429 ppi
Refresh rate 120 Hz 60 Hz
Max rated brightness 800 nits 500 nits
Max rated brightness in HDR - 800 nits
HDR support Yes, HDR10+ Yes, HDR10+
Screen protection Corning Gorilla Glass 6 Corning Gorilla Glass 3
Screen-to-body ratio 89.5% 83%
Display features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Display tests
RGB color space 99.8% 96.9%
PWM 242 Hz 240 Hz
Response time 8.5 ms 3 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
807 nits
Pixel 6a +8%
870 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 151.7 mm (5.97 inches) 152.2 mm (5.99 inches)
Width 69.1 mm (2.72 inches) 71.8 mm (2.83 inches)
Thickness 7.9 mm (0.31 inches) 8.9 mm (0.35 inches)
Weight 163 gramm (5.75 oz) 178 gramm (6.28 oz)
Waterproof IP68 IP67
Rear material Glass Plastic
Frame material Metal Metal
Colors Gray, Blue, Red White, Black, Green
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
89.5%
83%

Performance

Tests of Samsung Galaxy S20 and Google Pixel 6a in the benchmarks
SoC
Chipset Samsung Exynos 9 Octa 990 Google Tensor
Max. clock 2700 MHz 2800 MHz
CPU cores 8 (2 + 2 + 4) 8 (2 + 2 + 4)
Architecture - 4 cores at 2 GHz: Cortex-A55
- 2 cores at 2.5 GHz: Cortex-A76
- 2 cores at 2.73 GHz: Exynos M5
- 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 2 MB 4 MB
Lithography process 7 nanometers 5 nanometers
Graphics Mali-G77 MP11 Mali-G78 MP20
GPU clock 550 MHz 848 MHz
FLOPS ~1196 GFLOPS ~2171 GFLOPS
Memory
RAM size 8 GB 6 GB
Memory type LPDDR5 LPDDR5
Memory clock 3200 MHz -
Channels 2 2
Storage
Storage size 128 GB 128 GB
Storage type UFS 3.0 UFS 3.1
Memory card MicroSD No
Memory card max. size Up to 1000 GB -

Benchmarks

Geekbench 5 (Single-Core)
Pixel 6a +12%
1040
Geekbench 5 (Multi-Core)
2726
Pixel 6a +5%
2861
AnTuTu Benchmark 9
582178
Pixel 6a +35%
785733
CPU 151215 229804
GPU 230621 299774
Memory 81673 114943
UX 121126 142121
Total score 582178 785733
3DMark Wild Life Performance
4216
Pixel 6a +44%
6058
Stability 42% 55%
Graphics test 25 FPS 36 FPS
Graphics score 4216 6058
PCMark 3.0 score 10910 9691
AnTuTu Benchmark 9 Results (200th and 94th place)
Sources: 3DMark [3], [4]

Software

Operating system Android 10.0 (Can be upgraded to Android 13) Android 12 (Can be upgraded to Android 13)
ROM One UI 4.1 Stock Android
OS size 20.1 GB 18 GB

Battery

Specifications
Capacity 4000 mAh 4410 mAh
Charge power 25 W 18 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging Yes (15 W) No
Reverse charging Yes, (wireless) No
Fast charging Yes (100% in 75 min) Yes (42% in 30 min)
Full charging time 1:15 hr 1:51 hr
Battery life tests
Web browsing 08:40 hr 11:03 hr
Watching video 10:04 hr 16:44 hr
Gaming 04:15 hr 06:15 hr
Standby 83 hr 91 hr
General battery life
24:28 hr
Pixel 6a +32%
32:23 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 12 megapixels 12.2 megapixels
Image resolution 4000 x 3000 -
Zoom Optical, 1.1x Digital
Flash LED Dual LED
Stabilization Optical Optical
8K video recording Up to 24FPS No
4K video recording Up to 60FPS Up to 60FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 960 FPS (720p) 240 FPS (1080p)
Angle of widest lens 120° 114°
Lenses 3 (12 MP + 64 MP + 12 MP) 2 (12.2 MP + 12 MP)
Wide (main) lens - 12 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 1.8 micron
- Sensor: 1/1.76", Samsung S5K2LD (ISOCELL CMOS)
- Phase autofocus (Dual Pixel)
- Optical stabilization
- 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
Telephoto lens - 64 MP
- Aperture: f/2.0
- Pixel size: 0.8 micron
- Sensor: 1/1.72", Samsung Bright S5KGW2 (ISOCELL CMOS)
- Phase autofocus
- Optical stabilization
-
Ultra-wide lens - 12 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.4 micron
- Sensor: 1/2.55", Samsung S5K2LA (ISOCELL 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)
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
Samples - Photo samples of Google Pixel 6a from DxOMark
Selfie camera
Megapixels 10 megapixels 8 megapixels
Image resolution 2592 x 3872 3840 x 2160
Aperture f/2.2 f/2.0
Focal length 26 mm 24 mm
Pixel size 1.22 microns 1.12 microns
Sensor type CMOS Exmor-RS CMOS
Sensor size 1/3.2" 1/2.8"
Video resolution 2160p (4K) at 60 FPS 1080p (Full HD) at 30 FPS

DxOMark camera tests

Photo quality
Video quality
Generic camera score

Connectivity

Wi-Fi standard Wi-Fi 6 (802.11 b/g/n/ac/ax) Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
Wi-Fi features - 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 LE, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 3.1 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
Network
Number of SIM* 2 1
Type of SIM card Nano Nano
Multi SIM mode Standby -
eSIM support* Yes Yes
Hybrid slot Yes No
LTE Cat* 22 20
5G support No Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max. loudness
85.9 dB
Pixel 6a +2%
87.4 dB

Other

Category Flagship Flagship
Announced February 2020 May 2022
Release date March 2020 June 2022
SAR (head) 0.28 W/kg -
SAR (body) 1.52 W/kg -
Sensors - Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Compass
- Fingerprint
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the display, software, camera, connectivity, and design are more important to you, then choose the Samsung Galaxy S20. But if the performance and battery life are more of a priority – go for the Google Pixel 6a.

Cast your vote

So, which phone would you choose?
16 (36.4%)
28 (63.6%)
Total votes: 44

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