Samsung Galaxy S20 vs Google Pixel 9a

58 out of 100
Samsung Galaxy S20
VS
67 out of 100
Google Pixel 9a

Here we compared two smartphones: the 6.2-inch Samsung Galaxy S20 (with Exynos 9 Octa 990) that was released on February 11, 2020, against the Google Pixel 9a, which is powered by Google Tensor G4 and came out 5 years and 2 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely
Memory 8 / 128 GB

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy S20
  • 33% higher pixel density (563 vs 422 PPI)
  • Expandable storage via MicroSD card up to 1000GB
  • The rear camera has a 1.1x optical zoom
  • Slow-motion recording at 960FPS
  • Has 2 SIM card slots
  • Reverse charging feature
  • Supports Dolby Atmos sound technology
  • Weighs 23 grams less
Reasons to consider the Google Pixel 9a
  • Delivers 138% higher peak brightness (1927 against 810 nits)
  • Comes with 1100 mAh larger battery capacity: 5100 vs 4000 mAh
  • Shows 26% longer battery life (20:15 vs 16:07 hours)
  • 46% better performance in AnTuTu Benchmark (1321K versus 907K)
  • Newer Bluetooth version (v5.3)
  • More recent OS version: Android 17 versus 13
  • The phone is 5 years and 2 months newer
  • More energy-efficient CPU – Tensor G4
  • Faster storage type - UFS 3.1 versus UFS 3.0
  • 68% faster in single-core GeekBench 6 test: 1677 and 996 points

Review

Evaluation of Samsung Galaxy S20 and Google Pixel 9a crucial features
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
DeviceFacts Score
Final comparison evaluation
Select your primary usage scenario to get a more accurate DeviceFacts Score
📱 Primary usage:

Value for money (Beta)

Should I update?
No 52% Yes
Maybe, but mainly if you specifically want better gaming performance.
This is a situational upgrade. It makes the most sense if better gaming performance matters to you.
Main improvements: gaming, battery life, and performance.
Be aware: the newer phone is weaker in connectivity.

Tests and specifications

Comparison table of technical specifications and tests
Phone:
vs

Display

Type Dynamic AMOLED POLED
Size 6.2 inches 6.3 inches
Resolution 1440 x 3200 pixels 1080 x 2424 pixels
Aspect ratio 20:9 20:9
PPI 563 ppi 422 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max rated brightness 800 nits 2700 nits
Max rated brightness in HDR 1200 nits 1800 nits
HDR support Yes, HDR10+ Yes, HDR10+
Screen protection Corning Gorilla Glass 6 Corning Gorilla Glass 3
Screen-to-body ratio 88.5% 84.5%
Display features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Display tests
RGB color space 99.8% 98.2%
PWM 242 Hz 240 Hz
Response time 8.5 ms 1 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
810 nits
Pixel 9a +138%
1927 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 151.7 mm (5.97 inches) 154.7 mm (6.09 inches)
Width 69.1 mm (2.72 inches) 73.3 mm (2.89 inches)
Thickness 7.9 mm (0.31 inches) 8.9 mm (0.35 inches)
Weight 163 g (5.75 oz) 186 g (6.56 oz)
Waterproof IP68 IP68
Advanced cooling - Vapor chamber
Rear material Glass Plastic
Frame material Metal Metal
Colors Gray, Blue, Red White, Black, Red, Purple
Fingerprint scanner Yes, in-display Yes, in-display
Repairability - Good (3.53/5)
Drop resistance - Excellent (A) · 270 drops
Screen-to-body ratio
88.5%
84.5%

Performance

Chipset specifications of Samsung Galaxy S20 and Google Pixel 9a
SoC
Chipset Samsung Exynos 9 Octa 990 Google Tensor G4
Max clock 3020 MHz 3100 MHz
CPU cores 8 (2 + 2 + 4) 8 (1 + 3 + 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 1.92 GHz: Cortex-A520
- 3 cores at 2.6 GHz: Cortex-A720
- 1 core at 3.1 GHz: Cortex-X4
L3 cache 2 MB -
Manufacturing Samsung Samsung
Lithography process 7 nanometers 4 nanometers
Neural processor (NPU) Yes Yes
GPU
Graphics Mali-G77 MP11 Mali-G715 MP7
GPU shading units 352 896
GPU clock 832 MHz 940 MHz
FLOPS ~585.7 GFLOPS ~1684.4 GFLOPS

Benchmarks

Benchmark comparison of Samsung Galaxy S20 and Google Pixel 9a
Geekbench 6 (Single-Core)
Pixel 9a +68%
1677
Geekbench 6 (Multi-Core)
2914
Pixel 9a +40%
4067
Compute Score (GPU)
7784
Compute Score (GPU) - 7784
Single-core score 996 1677
Multi-core score 2914 4067
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
907140
Pixel 9a +46%
1321069
CPU 370196 445318
GPU 130687 410687
Memory 151878 175537
UX 254379 289527
Total score 907140 1321069
Samples [4 tests] [7 tests]
3DMark Steel Nomad Light
Pixel 9a +171%
1060
Stability 73% 81%
Graphics test 3 FPS 8 FPS
Graphics score 391 1060
3DMark Wild Life Extreme
1414
n/a
Stability 71% -
Graphics test 8 FPS -
Graphics score 1414 -
Sources: 3DMark [5], [6]
PCMark 3.0
11592
Pixel 9a +11%
12890
Web score 9900 10570
Video editing 5850 7547
Photo editing 32007 21264
Data manipulation 8870 12988
Writing score 13632 16308

Recent User Tests

The latest benchmark tests that have been submitted by users
Samsung Galaxy S20
DateBenchmarkResult
📘 2026-06-17 -> wrathAnTuTu 11953700
📘 2026-06-16 (Wrath)AnTuTu 11907140
📘 2026-03-26 (Soulsinho)AnTuTu 11888046
📘 2026-01-20 (minxvix)AnTuTu 11876396
📘 2024-09-21 (Muhammad Abdullah Haider)Geekbench 6 CPU996 / 2914
Google Pixel 9a
DateBenchmarkResult
📘 2026-08-21 (Leif)AnTuTu 111590049
📘 2026-05-13 (kiriguap)AnTuTu 111182042
📘 2026-03-09 (d1ldo)AnTuTu 11943849
📘 2026-01-03 (Joy)AnTuTu 111487240
📘 2025-11-11 (VLAD)AnTuTu 111507185

Memory

RAM
RAM size 8 GB 8 GB
Memory type LPDDR5 LPDDR5X
Memory clock 3200 MHz 4200 MHz
Channels 2 4
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 -

Software

Operating system Android 10.0 (Can be upgraded to Android 13) Android 15 (Can be upgraded to Android 17)
ROM One UI 5.1 Stock Android
OS size 20.1 GB 14 GB
OS updates 2 years 7 years
Security updates 4 years 7 years

Battery

Capacity 4000 mAh 5100 mAh
Max charge power 25 W 23 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging Yes (15 W) Yes (7.5 W)
Reverse charging Yes, (wireless) No
Bypass charging - No
Fast charging Yes (100% in 75 min) Yes (47% in 30 min)
Full charging time 1:15 hr 1:41 hr
Battery cycles - 1000 cycles
Battery life tests
Web browsing 06:49 hr 08:20 hr
Watching video 10:33 hr 12:40 hr
Gaming 04:30 hr 06:06 hr
Standby 69 hr 91 hr
General battery life
16:07 hr
Pixel 9a +26%
20:15 hr

Main camera

Matrix 12 megapixels 48 megapixels
Image resolution 4000 x 3000 8000 x 6000
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° 120°
Lenses 1) Standard: 12 MP
2) Telephoto: 64 MP
3) Ultrawide: 12 MP
1) Standard: 48 MP
2) Ultrawide: 13 MP
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution 12 MP 48 MP
Aperture f/1.8 f/1.7
Focal length 26 mm 25 mm
Sensor Samsung S5K2LD Samsung GN8
Sensor size 1/1.76" (≈ 0.57 inch) 1/2" (≈ 0.5 inch)
Pixel size 1.8 micron 0.8 micron
Autofocus Phase autofocus (Dual Pixel) Phase autofocus (Dual Pixel)
Stabilization Optical Optical
Telephoto lens
Image resolution 64 MP -
Aperture f/2.0 -
Focal length 29 mm -
Sensor Samsung Bright S5KGW2 -
Sensor size 1/1.72" (≈ 0.58 inch) -
Pixel size 0.8 micron -
Stabilization Optical -
Ultra-wide lens
Image resolution 12 MP 13 MP
Aperture f/2.2 f/2.2
Focal length 13 mm 16 mm
Sensor Samsung S5K2LA Sony IMX712
Sensor size 1/2.55" (≈ 0.39 inch) 1/3.06" (≈ 0.33 inch)
Pixel size 1.4 micron 1.12 micron
Stabilization Digital Digital

DxOMark main camera tests

Photo quality
Video quality
Generic main camera score
Bokeh - 145
Zoom - 99
Samples - Photo samples of Google Pixel 9a from DxOMark

Selfie camera

Megapixels 10 megapixels 13 megapixels
Image resolution 2592 x 3872 4032 x 3024
Aperture f/2.2 f/2.2
Focal length 26 mm 20 mm
Sensor Samsung S5K3J1 CMOS
Sensor size 1/3.2" (≈ 0.31 inch) 1/3.1" (≈ 0.32 inch)
Pixel size 1.22 micron 1.12 micron
Autofocus Phase autofocus (Dual Pixel) No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 30 FPS
Depth sensor (TOF 3D) No No

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 5.3
Bluetooth features LE, A2DP LE
USB type USB Type-C USB Type-C
USB version 3.1 3.2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
DisplayPort - Yes
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Galileo
NFC* Yes Yes
Infrared port No No
Network
Number of SIM* 2 1
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* Yes Yes
Hybrid slot Yes No
LTE Cat* 22 -
5G support No Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes No
Speakers test
Max loudness
85.9 dB
Pixel 9a +3%
88.1 dB

Other

Category Flagship Mid-range
Announced February 2020 March 2025
Release date March 2020 April 2025
Launch price (MSRP) $999 $499
Successor - Samsung Galaxy S25 FE - Google Pixel 10a
SAR (head) 0.28 W/kg 0.99 W/kg
SAR (body) 1.52 W/kg 1.39 W/kg
Sensors - Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Compass
- Fingerprint
- 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 9a is definitely a better buy.

Cast your vote

So, which phone would you choose?
0 (0%)
2 (100%)
Total votes: 2

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