Tecno Spark 8C vs Oppo Realme C20

Here we compared two budget smartphones: the 6.6-inch Tecno Spark 8C (with Unisoc T606) that was released on January 31, 2022, against the Oppo Realme C20, which is powered by MediaTek Helio G35 and came out 13 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 Tecno Spark 8C
  • Water-resistant body (IPX2 classification)
  • Higher display refresh rate – 90 Hz
  • 39% better performance in AnTuTu Benchmark (171K versus 122K)
  • Fingerprint scanner
  • More recent OS version: Android 11 versus 10
  • The phone is 1-year and 1-month newer
  • 65% faster in single-core GeekBench 5 test: 299 and 181 points
Reasons to consider the Oppo Realme C20
  • Compatible with Wi-Fi 5 wireless networks
  • Newer Bluetooth version (v5.1)
  • Uses a faster type of memory: LPDDR4X 1866 MHz
  • Reverse charging feature
  • The front-facing camera can record video at 1080p

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 IPS LCD
Size 6.6 inches 6.5 inches
Resolution 720 x 1612 pixels 720 x 1600 pixels
Aspect ratio 20:9 20:9
PPI 267 ppi 270 ppi
Refresh rate 90 Hz 60 Hz
Max rated brightness 450 nits 450 nits
HDR support No No
Screen protection Tempered glass Corning Gorilla Glass 3
Screen-to-body ratio 83.7% 80.8%

Design and build

Height 164.57 mm (6.48 inches) 165.2 mm (6.5 inches)
Width 76 mm (2.99 inches) 76.4 mm (3.01 inches)
Thickness 8.95 mm (0.35 inches) 8.9 mm (0.35 inches)
Weight 193 gramm (6.81 oz) 190 gramm (6.7 oz)
Waterproof IPX2 No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Black, Gray, Green, Purple Gray, Blue
Fingerprint scanner Yes, rear No
Screen-to-body ratio
Spark 8C +4%
83.7%
80.8%

Performance

Tests of Tecno Spark 8C and Oppo Realme C20 in the benchmarks
SoC
Chipset Unisoc T606 MediaTek Helio G35
Max. clock 1600 MHz 2300 MHz
CPU cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6 cores at 1.6 GHz: Cortex-A55
- 2 cores at 1.6 GHz: Cortex-A75
- 4 cores at 1.8 GHz: Cortex-A53
- 4 cores at 2.3 GHz: Cortex-A53
L3 cache 1 MB -
Lithography process 12 nanometers 12 nanometers
Graphics Mali-G57 MP1 IMG PowerVR GE8320
GPU clock 650 MHz 680 MHz
FLOPS - ~54.4 GFLOPS
Memory
RAM size 2, 3, 4 GB 2 GB
Memory type LPDDR3 LPDDR4X
Memory clock - 1866 MHz
Channels 1 2
Storage
Storage size 64 GB 32 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max. size Up to 256 GB Up to 256 GB

Benchmarks

Geekbench 5 (Single-Core)
Spark 8C +65%
299
Geekbench 5 (Multi-Core)
Spark 8C +18%
1178
AnTuTu Benchmark 9
Spark 8C +39%
171020
122881
CPU 60630 40291
GPU 21826 16984
Memory 38655 27120
UX 48282 37983
Total score 171020 122881
3DMark Wild Life Performance
PCMark 3.0 score 7368 -
Sources: 3DMark [3]

Software

Operating system Android 11 Android 10
ROM HiOS 7.6 Realme UI 1.0

Battery

Specifications
Capacity 5000 mAh 5000 mAh
Charge power 10 W 10 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No Yes
Fast charging No No (50% in 70 min)
Full charging time 2:50 hr 3:00 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 13 megapixels 8 megapixels
Image resolution 4128 x 3096 3264 x 2448
Zoom Digital Digital
Flash Dual LED LED
Stabilization Digital Digital
8K video recording No No
4K video recording No No
1080p video recording Up to 30FPS Up to 30FPS
Slow motion No No
Lenses 2 (13 MP + 0 MP) 1 (8 MP)
Wide (main) lens - 13 MP
- Aperture: f/1.8
- Focal length: 27 mm
- 8 MP
- Aperture: f/2.0
- Focal length: 26 mm
- Pixel size: 1.12 micron
- Sensor: 1/4" (CMOS)
- Phase autofocus
Depth lens Yes -
Camera features - Bokeh mode -
Selfie camera
Megapixels 8 megapixels 5 megapixels
Image resolution 3264 x 2448 2560 x 1960
Aperture - f/2.2
Focal length - 27 mm
Pixel size - 1.12 microns
Sensor type CMOS CMOS
Sensor size - 1/5"
Video resolution 720p at 30 FPS 1080p (Full HD) at 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 4 (802.11 b/g/n) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5.1
Bluetooth features - LE, HID, A2DP
USB type Micro USB Micro USB
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, Beidou GPS, GLONASS, Beidou
NFC* Yes No
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
LTE Cat* 4 7
5G support No No

Sound

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

Other

Category Budget Budget
Announced January 2022 January 2021
Release date February 2022 January 2021
Sensors - Proximity sensor
- Accelerometer
- Ambient light sensor
- Fingerprint
- Proximity sensor
- Accelerometer
- Ambient light sensor
- Compass
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the display, software, camera, and design are more important to you, then choose the Tecno Spark 8C. But if the performance and connectivity are more of a priority – go for the Oppo Realme C20.

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