Google Pixel 7a vs Samsung Galaxy S20

Compared 2 smartphones : Google Pixel 7a Manufactured in May, 2023, with display 6.1 with chipsetGoogle Tensor G2, vs Samsung Galaxy S20, Manufactured in March, 2020with chipsetSamsung Exynos 9 Octa 990. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Google Pixel 7a
  • Higher battery capacity: 4385mAh vs 4000mAh
  • Newer Bluetooth version: 5.3 vs 5
  • Supports newer USB: 3.2 vs 3.1
Reasons to choose Samsung Galaxy S20
  • Larger display: 6.2in
  • Higher pixel density: 563ppi
  • Higher refresh rate: 120Hz
  • Lighter design: 163g vs 193.5g

Versions

Available versions and configurations
Memory Options 8/128 GB 8/128 GB

Review

Key Specs Google Pixel 7a and Samsung Galaxy S20
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
NanoReview Score
Overall score by NanoReview
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison

Display

Display quality comparison
Type OLED Dynamic AMOLED
Size 6.1 in 6.2 in
Resolution 1080x2400 pixels 1440x3200 pixels
Aspect ratio 20:9 20:9
Pixel density 429 ppi 563 ppi
Refresh rate 90 Hz 120 Hz
Adaptive refresh rate No No
Max brightness 700 nits 800 nits
HDR support Yes HDR10+ Yes HDR10+
Screen-to-body ratio 81.1 % 88.5 %
Features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Google Pixel 7a
1067 nits
Samsung Galaxy S20
809 nits
sRGB gamut98.4 %99.8 %
PWM (Flicker)218 Hz242 Hz
Response time2 ms8.5 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 152 mm (5.98 in) 151.7 mm (5.97 in)
Width 72.9 mm (2.87 in) 69.1 mm (2.72 in)
Thickness 9 mm (0.35 in) 7.9 mm (0.31 in)
Weight 193.5 g (6.83 oz) 163 g (5.75 oz)
Water resistance IP67 IP68
Back panel Plastic Glass
Frame Metal Metal
Colors - White
- Gray
- Blue
- Orange
- Gray
- Blue
- Red
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Google Pixel 7a
81.1 %
Samsung Galaxy S20
88.5 %

Performance

Testing Google Pixel 7a and Samsung Galaxy S20 In benchmarks
Processor
Chipset Google Tensor G2 Samsung Exynos 9 Octa 990
Max Frequency 2850 MHz 3020 MHz
CPU Cores 8 (2 + 2 + 4) 8 (2 + 2 + 4)
Architecture - 4/1.8 (Cortex-A55)
- 2/2.35 (Cortex-A78)
- 2/2.85 (Cortex-X1)
- 4/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
- 2/2.73 (Exynos M5)
Process Samsung Samsung
Transistor Size 5 nm 7 nm
Neural Processor Next-gen Tensor Processing Unit Yes
Graphics Mali-G710 MP7 Mali-G77 MP11
GPU Cores 672 704
GPU Frequency 850 MHz 550 MHz
FLOPS 1142.4 GFLOPS 1126 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Google Pixel 7a
1443
Samsung Galaxy S20
1139
Geekbench 6 (Multi-Core)
Google Pixel 7a
3493
Samsung Galaxy S20
3080
Geekbench 6 (Single-Core)14431139
Geekbench 6 (Multi-Core)34933080
AnTuTu 10
AnTuTu 10
Google Pixel 7a
930436
Samsung Galaxy S20
680061
CPU255576206940
GPU325623180770
Memory149843136999
UX199394155352
NanoReview Score930436680061
3DMark Wild Life
3DMark Wild Life
Google Pixel 7a
6343
Samsung Galaxy S20
4221
Max Surface Temp.50.8 °C49.7 °C
Stability65 %51 %
Graphics Test37 fps25 fps
Graphics Score63434221
PCMark 3.0
PCMark 3.0
Google Pixel 7a
10609
Samsung Galaxy S20
11213
Writing score1504813300
Web score75009221
Video editing63626001
Data manipulation105048487
NanoReview Score1060911213

Memory

RAM
RAM Size 8 GB 8 GB
Memory Type LPDDR5 LPDDR5
Memory Frequency 3200 MHz 3200 MHz
Channels 4 2
Storage
Storage Capacity128 GB128 GB
Storage TypeUFS 3.1UFS 3.0
Memory CardNoMicroSD

Software

OS Android 13 (Upgradeable to Android 15) Android 10.0 (Upgradeable to Android 13)
OS Size n/a 20.1 GB
UI Skin Stock Android One UI 5.1

Battery

Volume 4385 mAh 4000 mAh
Max Charging Power 18 W 25 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging Yes (7.5 W) Yes (15 W)
Reverse Charging No Yes (Wireless)
Fast Charging Yes (20% in 36 min) Yes (100% in 75 min)
Full Charge Time 1:57 h 1:15 h
Battery Life Test
Battery Life
Google Pixel 7a
19:16
Samsung Galaxy S20
16:07
Web Browsing08:24 h06:49 h
Video Playback13:40 h10:33 h
Games05:06 h04:30 h
Standby Mode76 h69 h

Main camera

Matrix 64 MP 12 MP
Photo resolution 9000x7000 pixels 4000x3000 pixels
Zoom Digital Optical, 1.1x
Flash Dual LED LED
Stabilization Optical Optical
8K Recording No Up to 24FPS
4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) 960 fps (720p)
Wide-angle lens 120 ° 120 °
Lenses count Standard: 64 MP
Ultra-wide: 13 MP
Standard: 12 MP
Telephoto: 64 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix64 MP12 MP
Aperturef/1.9f/1.8
Focal length26 mm26 mm
SensorSony IMX787Samsung S5K2LD
Sensor size1/1.731/1.76
Pixel size0.8 μm1.8 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrixn/a64 MP
Aperturen/af/2.0
Focal lengthn/a29 mm
Sensorn/aSamsung Bright S5KGW2
Sensor sizen/a1/1.72
Pixel sizen/a0.8 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix13 MP12 MP
Aperturef/2.2f/2.2
Focal lengthn/a13 mm
SensorSony IMX712Samsung S5K2LA
Sensor size1/3.061/2.55
Pixel size1.12 μm1.4 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Google Pixel 7a
138
Samsung Galaxy S20
n/a
Video quality
Google Pixel 7a
133
Samsung Galaxy S20
n/a
Overall camera score
Google Pixel 7a
133
Samsung Galaxy S20
n/a
Bokeh70n/a
Preview69n/a
Zoom105n/a

Front camera

Matrix 13 MP 10 MP
Photo resolution 4032x3024 pixels 2592x3872 pixels
Aperture n/a f/2.2
Focal length n/a 26 mm
Sensor n/a Samsung S5K3J1
Sensor size n/a 1/3.2
Pixel size n/a 1.22 μm
Autofocus n/a Phase autofocus (Dual Pixel)
Stabilization n/a Digital
Video resolution 2160p (4K) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Google Pixel 7a
136
Samsung Galaxy S20
n/a
Video quality
Google Pixel 7a
146
Samsung Galaxy S20
n/a

Connectivity

Wi-Fi version Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 6 (802.11 b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.3 5
Bluetooth features LE LE, A2DP
USB type USB Type-C USB Type-C
USB version 3.2 3.1
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Galileo
- QZSS
- NAVIC
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM Moden/aDual SIM Standby
eSIM Support *YesYes
Hybrid SlotNoYes
2G BandsGSM/EDGE: Quad-band (850, 900, 1800, 1900 MHz)GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G BandsUMTS/HSPA+/HSDPA: Bands 1, 2, 4, 5, 6, 8, 19HSDPA 850 / 900 / 1900 / 2100
LTE Bands*LTE (B/B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B17/B20/B25/B26/B28/B29/B30/B38/B40/B41/B48/B66/B71)LTE (B850/B900/B1700/B1900/B2100)
LTE category2022
5G SupportYesNo

Sound

Speakers Stereo Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Google Pixel 7a
90.4 dB
Samsung Galaxy S20
85.9 dB

Other

Class Mid-range Flagship
Announced May, 2023 yr February, 2020 yr
Release Date May, 2023 yr March, 2020 yr
Launch Price ($) 499 999
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Compass
- Fingerprint sensor
Charger Included No n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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