Home > Smartphone comparison > Vivo Y51a vs Vivo V20 – which one to choose?

Vivo Y51a vs Vivo V20

Here we compared two mid-range smartphones: the 6.58-inch Vivo Y51a (with Qualcomm Snapdragon 662) that was released on January 8, 2021, against the Vivo V20, which is powered by Qualcomm Snapdragon 720G and came out 3 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 Y51a
  • Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
Reasons to consider the Vivo V20
  • Delivers 38% higher maximum brightness (629 against 457 nits)
  • Newer Bluetooth version (v5.1)
  • 34% better performance in AnTuTu Benchmark (287K versus 215K)
  • Slow-motion recording at 240FPS
  • AMOLED display (versus competitor's IPS LCD)
  • More energy-efficient CPU – Snapdragon 720G
  • 34% faster in single-core GeekBench 5 test: 562 and 418 points
  • Weighs 17 grams less
  • The front-facing camera can record video at 4K

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 IPS LCD AMOLED
Size 6.58 inches 6.44 inches
Resolution 1080 x 2408 pixels 1080 x 2400 pixels
Aspect ratio 20:9 20:9
PPI 401 ppi 409 ppi
Refresh rate 60 Hz 60 Hz
HDR support No No
Screen protection Tempered glass Corning Gorilla Glass 5
Screen-to-body ratio 84.5% 83.7%
Display features - - Always-On Display
Max. Brightness
457 nits
Vivo V20 +38%
629 nits

Design and build

Height 163.9 mm (6.45 inches) 161.3 mm (6.35 inches)
Width 75.3 mm (2.96 inches) 74.2 mm (2.92 inches)
Thickness 8.4 mm (0.33 inches) 7.4 mm (0.29 inches)
Weight 188 gramm (6.63 oz) 171 gramm (6.03 oz)
Waterproof No No
Rear material Plastic Glass
Frame material Plastic Metal
Colors Blue, Green Black, Blue
Fingerprint scanner Yes, in home button Yes, in-display
Screen-to-body ratio
Vivo Y51a +1%
84.5%
83.7%

Performance

Tests of Vivo Y51a and Vivo V20 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 662 Qualcomm Snapdragon 720G
Max. clock 2000 MHz 2300 MHz
CPU cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4 cores at 1.8 GHz: Kryo 260 Silver (Cortex-A53)
- 4 cores at 2 GHz: Kryo 260 Gold (Cortex-A73)
- 6 cores at 1.8 GHz: Kryo 465 Silver (Cortex-A55)
- 2 cores at 2.3 GHz: Kryo 465 Gold (Cortex-A76)
L3 cache - 1 MB
Lithography process 11 nanometers 8 nanometers
Graphics Adreno 610 Adreno 618
GPU clock 600 MHz 750 MHz
FLOPS ~272 GFLOPS ~435 GFLOPS
Memory
RAM size 6, 8 GB 8 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 1866 MHz
Channels 2 2
Storage
Storage size 128 GB 128 GB
Storage type UFS 2.1 UFS 2.1
Memory card MicroSD MicroSD
Memory card max. size Up to 512 GB Up to 256 GB

Benchmarks

Geekbench 5 (Single-Core)
418
Vivo V20 +34%
562
Geekbench 5 (Multi-Core)
1335
Vivo V20 +27%
1690
AnTuTu Benchmark 9
215190
Vivo V20 +34%
287685

Software

Operating system Android 11 Android 11
ROM Funtouch 11 Funtouch OS 11

Battery

Specifications
Capacity 5000 mAh 4000 mAh
Charge power 18 W 33 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes (70% in 67 min) Yes (66% in 30 min)
Full charging time 1:45 hr 0:59 hr

Battery life tests

Web browsing (Wi-Fi)
n/a
12:50 hr
Watching videos (Player)
n/a
17:32 hr
Talk (3G)
n/a
40:12 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 48 megapixels 64 megapixels
Image resolution 8000 x 6000 9248 x 6920
Zoom Digital Digital
Flash LED Dual LED
Stabilization Digital Digital
8K video recording No No
4K video recording Up to 30FPS Up to 30FPS
1080p video recording Up to 30FPS Up to 60FPS
Slow motion 120 FPS (720p) 240 FPS (720p)
Angle of widest lens 120° 120°
Lenses 3 (48 MP + 8 MP + 2 MP) 3 (64 MP + 8 MP + 2 MP)
Wide (main) lens - 48 MP
- Aperture: f/1.8
- Pixel size: 0.8 micron
- Sensor: 1/2.0" (CMOS)
- Phase autofocus
- 64 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.72" (CMOS)
- Phase autofocus
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/4.0" (CMOS)
- 8 MP
- Aperture: f/2.2
- Focal length: 16 mm
- Pixel size: 1.12 micron
- Sensor: 1/4.0" (CMOS)
- Phase autofocus
Macro lens - 2 MP
- Aperture: f/2.4
-
Depth lens - - 2 MP
- Aperture: f/2.4
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Selfie camera
Megapixels 16 megapixels 44 megapixels
Image resolution 4608 x 3456 -
Aperture f/2.0 f/2.0
Pixel size 1 microns -
Sensor type CMOS CMOS
Sensor size 1/3.06" -
Video resolution 1080p (Full HD) при 30 FPS 2160p (4K) при 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/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 5.1
Bluetooth features LE, HID, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
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 Yes No
LTE Cat* 13 13
5G support No No

Sound

Speakers Mono Mono
Headphone audio jack Yes Yes
FM radio Yes Yes
Dolby Atmos No No

Other

Category Mid-range Mid-range
Announced January 2021 September 2020
Release date January 2021 October 2020
Launch price ~ 261 USD ~ 375 USD
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 display, performance, camera, and design are more important to you, then choose the Vivo V20. But if the battery life is more of a priority – go for the Vivo Y51a.

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