Vivo V20 vs Samsung Galaxy A51

Here we compared two mid-range smartphones: the 6.44-inch Vivo V20 (with Qualcomm Snapdragon 720G) that was released on September 30, 2020, against the Samsung Galaxy A51, which is powered by Exynos 9 Octa 9611 and came out 10 months before. 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 Vivo V20
  • Shows 29% longer battery life (111 vs 86 hours)
  • Newer Bluetooth version (v5.1)
  • 33% better performance in AnTuTu Benchmark (283K versus 213K)
  • Faster storage type - UFS 2.1 versus UFS 2.0
  • More energy-efficient CPU – Snapdragon 720G
  • 57% faster in single-core GeekBench 5 test: 550 and 350 points
  • The phone is 10-months newer
Reasons to consider the Samsung Galaxy A51
  • Slow-motion recording at 960FPS
  • Supports Dolby Atmos sound technology

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 AMOLED Super AMOLED
Size 6.44 inches 6.5 inches
Resolution 1080 x 2400 pixels 1080 x 2400 pixels
Aspect ratio 20:9 20:9
PPI 409 ppi 405 ppi
Refresh rate 60 Hz 60 Hz
HDR support No No
Screen protection Corning Gorilla Glass 5 Corning Gorilla Glass 3
Screen-to-body ratio 83.7% 87.4%
Display features - Always-On Display - Always-On Display
Display tests
RGB color space - 98.8%
PWM - 242 Hz
Response time - 25 ms
Contrast - ∞ Infinity
Max. Brightness
620 nits
636 nits
Sources: NotebookCheck [1]

Design and build

Height 161.3 mm (6.35 inches) 158.5 mm (6.24 inches)
Width 74.2 mm (2.92 inches) 73.6 mm (2.9 inches)
Thickness 7.4 mm (0.29 inches) 7.9 mm (0.31 inches)
Weight 171 gramm (6.03 oz) 172 gramm (6.07 oz)
Waterproof No No
Rear material Glass Plastic
Frame material Metal Plastic
Colors Black, Blue White, Black
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
83.7%
87.4%

Performance

Tests of Vivo V20 and Samsung Galaxy A51 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 720G Samsung Exynos 9 Octa 9611
Max. clock 2300 MHz 2300 MHz
CPU cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6 cores at 1.8 GHz: Kryo 465 Silver (Cortex-A55)
- 2 cores at 2.3 GHz: Kryo 465 Gold (Cortex-A76)
- 4 cores at 1.7 GHz: Cortex-A53
- 4 cores at 2.3 GHz: Cortex-A73
L3 cache 1 MB -
Lithography process 8 nanometers 10 nanometers
Graphics Adreno 618 Mali-G72 MP3
GPU clock 750 MHz 850 MHz
FLOPS ~435 GFLOPS ~259 GFLOPS
Memory
RAM size 8 GB 4, 6 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 1866 MHz
Channels 2 2
Storage
Storage size 128 GB 64, 128 GB
Storage type UFS 2.1 UFS 2.0
Memory card MicroSD MicroSD
Memory card max. size Up to 256 GB Up to 512 GB

Benchmarks

Geekbench 5 (Single-Core)
Vivo V20 +57%
550
Geekbench 5 (Multi-Core)
Vivo V20 +31%
1687
1284
AnTuTu Benchmark 9
Vivo V20 +33%
283673
213093

Software

Operating system Android 11 Android 10 (Can be upgraded to Android 11)
ROM Funtouch OS 11 One UI 3.0
OS size - 23 GB

Battery

Specifications
Capacity 4000 mAh 4000 mAh
Charge power 33 W 15 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes (66% in 30 min) Yes (40% in 35 min)
Full charging time 0:59 hr 1:50 hr

Battery life tests

Web browsing (Wi-Fi)
12:50 hr
13:21 hr
Watching videos (Player)
Vivo V20 +22%
17:32 hr
14:22 hr
Talk (3G)
Vivo V20 +87%
40:12 hr
21:51 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 64 megapixels 48 megapixels
Image resolution 9248 x 6920 8000 x 6000
Zoom Digital Digital
Flash Dual LED LED
Stabilization Digital Digital
8K video recording No No
4K video recording Up to 30FPS Up to 30FPS
1080p video recording Up to 60FPS Up to 30FPS
Slow motion 240 FPS (720p) 960 FPS (720p)
Angle of widest lens 120° 120°
Lenses 3 (64 MP + 8 MP + 2 MP) 4 (48 MP + 12 MP + 5 MP + 5 MP)
Wide (main) lens - 64 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.72" (CMOS)
- Phase autofocus
- 48 MP
- Aperture: f/2.0
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2", Samsung S5KGM2 (ISOCELL CMOS)
- Phase autofocus
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Focal length: 16 mm
- Pixel size: 1.12 micron
- Sensor: 1/4.0" (CMOS)
- Phase autofocus
- 12 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
Macro lens - - 5 MP
- Aperture: f/2.4
- Focal length: 40 mm
- Pixel size: 1.12 micron
Depth lens - 2 MP
- Aperture: f/2.4
- 5 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/5.0" (CMOS)
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Selfie camera
Megapixels 44 megapixels 32 megapixels
Image resolution - 6560 x 4928
Aperture f/2.0 f/2.2
Focal length - 26 mm
Pixel size - 0.8 microns
Sensor type CMOS ISOCELL CMOS
Sensor size - 1/2.8"
Video resolution 2160p (4K) at 30 FPS 2160p (4K) at 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.1 5
Bluetooth features LE, A2DP PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo
NFC* Yes Yes
Infrared port No No
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No No
Hybrid slot No No
LTE Cat* 13 12
5G support No No

Sound

Speakers Mono Mono
Headphone audio jack Yes Yes
FM radio Yes Yes
Dolby Atmos No Yes
Speakers test
Max. loudness
n/a
81.7 dB

Other

Category Mid-range Mid-range
Announced September 2020 December 2019
Release date October 2020 December 2019
SAR (head) - 0.596 W/kg
SAR (body) - 1.45 W/kg
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- 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 performance, battery life, and design are more important to you, then choose the Vivo V20. But if the software, camera, and sound are more of a priority – go for the Samsung Galaxy A51.

Cast your vote

So, which phone would you choose?
44 (80%)
11 (20%)
Total votes: 55

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