Vivo Y51a vs Oppo Realme 8

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 Oppo Realme 8, which is powered by MediaTek Helio G95 and came out 2 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 Oppo Realme 8
  • 62% better performance in AnTuTu Benchmark (348K versus 214K)
  • Delivers 34% higher maximum brightness (603 against 450 nits)
  • Newer Bluetooth version (v5.1)
  • Super AMOLED display (versus competitor's IPS LCD)
  • 20% faster in single-core GeekBench 5 test: 497 and 414 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 IPS LCD Super AMOLED
Size 6.58 inches 6.4 inches
Resolution 1080 x 2408 pixels 1080 x 2400 pixels
Aspect ratio 20:9 20:9
PPI 401 ppi 411 ppi
Refresh rate 60 Hz 60 Hz
HDR support No Yes, HDR10
Screen protection Tempered glass Tempered glass
Screen-to-body ratio 84.5% 83.3%
Display features - - Always-On Display
- DC Dimming
Display tests
RGB color space - 90.7%
PWM - 255 Hz
Response time - 8 ms
Contrast - ∞ Infinity
Max. Brightness
450 nits
Realme 8 +34%
603 nits
Sources: NotebookCheck [1]

Design and build

Height 163.9 mm (6.45 inches) 160.6 mm (6.32 inches)
Width 75.3 mm (2.96 inches) 73.9 mm (2.91 inches)
Thickness 8.4 mm (0.33 inches) 8 mm (0.31 inches)
Weight 188 gramm (6.63 oz) 177 gramm (6.24 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Blue, Green Black, Silver
Fingerprint scanner Yes, in home button Yes, in-display
Screen-to-body ratio
Vivo Y51a +1%
84.5%
83.3%

Performance

Tests of Vivo Y51a and Oppo Realme 8 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 662 MediaTek Helio G95
Max. clock 2000 MHz 2050 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 2 GHz: Cortex-A55
- 2 cores at 2.05 GHz: Cortex-A76
Lithography process 11 nanometers 12 nanometers
Graphics Adreno 610 Mali-G76 3EEMC4
GPU clock 600 MHz 900 MHz
FLOPS ~272 GFLOPS ~195.8 GFLOPS
Memory
RAM size 6, 8 GB 4, 6, 8 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 2133 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 512 GB

Benchmarks

Geekbench 5 (Single-Core)
414
Realme 8 +20%
497
Geekbench 5 (Multi-Core)
1299
Realme 8 +22%
1587
AnTuTu Benchmark 9
214960
Realme 8 +62%
348867

Software

Operating system Android 11 Android 11
ROM Funtouch 11 Realme UI 2.0
OS size - 10 GB

Battery

Specifications
Capacity 5000 mAh 5000 mAh
Charge power 18 W 30 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 (50% in 26 min)
Full charging time 1:45 hr 1:10 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 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) 120 FPS (1080p)
Angle of widest lens 120° 119°
Lenses 3 (48 MP + 8 MP + 2 MP) 4 (64 MP + 8 MP + 2 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: 1/1.73" (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/2.3
- Focal length: 16 mm
- Pixel size: 1.12 micron
- Sensor: 1/4.0" (CMOS)
Monochrome lens - - 2 MP
- Aperture: f/2.4
Macro lens - 2 MP
- Aperture: f/2.4
- 2 MP
- Aperture: f/2.4
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Selfie camera
Megapixels 16 megapixels 16 megapixels
Image resolution 4608 x 3456 4920 x 3264
Aperture f/2.0 f/2.5
Pixel size 1 microns 1 microns
Sensor type CMOS Exmor-RS CMOS
Sensor size 1/3.06" 1/3.0"
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 120 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
- 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 Yes No
LTE Cat* 13 12
5G support No No

Sound

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

Other

Category Mid-range Mid-range
Announced January 2021 March 2021
Release date January 2021 March 2021
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

These smartphones have a lot in common, but we would recommend the Oppo Realme 8. It has a better display, performance, and sound.

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