Home > Smartphone comparison > Realme C100i vs A6x 4G – which one to choose?

Realme C100i vs Oppo A6x 4G

52 out of 100
Realme C100i
VS
53 out of 100
Oppo A6x 4G
Realme C100i
Oppo A6x 4G

Here we compared two budget smartphones: the 6.8-inch Realme C100i (with Unisoc T7250) that was released on April 30, 2026, against the Oppo A6x 4G, which is powered by Qualcomm Snapdragon 685 and came out 5 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

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Memory
  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery life
  6. Camera
  7. Comments

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Realme C100i
  • Newer Bluetooth version (v5.2)
Reasons to consider the Oppo A6x 4G
  • 34% better performance in AnTuTu Benchmark (452K versus 337K)
  • More energy-efficient CPU – Snapdragon 685
  • Faster storage type - UFS 2.2 versus eMMC 5.1
  • The front-facing camera can record video at 1080p

Review

Evaluation of Realme C100i and Oppo A6x 4G crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation
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πŸ“± Primary usage:

Value for money (Beta)

To get an accurate value-for-money index, update the default prices with actual prices from your country’s retailers (for the selected memory configs) and press the "Calculate" button.
Currency
4 / 64 GB
VS
4 / 64 GB
124.8
(Excellent)
Value Index
131.4
(Excellent)

Tests and specifications

Comparison table of technical specifications and tests
Phone:
Realme C100i
vs
A6x 4G

Display

Type IPS LCD IPS LCD
Size 6.8 inches 6.75 inches
Resolution 720 x 1570 pixels 720 x 1570 pixels
Aspect ratio 19.5:9 19.5:9
PPI 254 ppi 256 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max rated brightness - 1125 nits
HDR support No No
Touch sampling rate - 240 Hz
Screen protection Panda Glass Tempered glass
Screen-to-body ratio 87.2% 85.5%
Display features - - DCI-P3

Design and build

Height 166.48 mm (6.55 inches) 166.61 mm (6.56 inches)
Width 78.23 mm (3.08 inches) 78.51 mm (3.09 inches)
Thickness 8.4 mm (0.33 inches) 8.61 mm (0.34 inches)
Weight 208 g (7.34 oz) 210 g (7.41 oz)
Waterproof IP64 IP64
Advanced cooling - Vapor chamber
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Gray, Purple Blue, Purple
Fingerprint scanner Yes, in-button Yes, in-button
Screen-to-body ratio
Realme C100i +2%
87.2%
A6x 4G
85.5%

Performance

Chipset specifications of Realme C100i and Oppo A6x 4G
SoC
Chipset Unisoc T7250 Qualcomm Snapdragon 685
Max clock 1800 MHz 2800 MHz
CPU cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6 cores at 1.6 GHz: Cortex-A55
- 2 cores at 1.8 GHz: Cortex-A75		 - 4 cores at 1.9 GHz: Cortex-A53
- 4 cores at 2.8 GHz: Cortex-A73
Manufacturing TSMC TSMC
Lithography process 12 nanometers 6 nanometers
Neural processor (NPU) No Hexagon 686
GPU
Graphics Mali-G57 MP1 Adreno 610
GPU shading units 32 128
GPU clock 850 MHz 1260 MHz
FLOPS ~54.4 GFLOPS ~322.6 GFLOPS

Benchmarks

Benchmark comparison of Realme C100i and Oppo A6x 4G
Geekbench 6 (Single-Core)
Realme C100i
435
A6x 4G +3%
449
Geekbench 6 (Multi-Core)
Realme C100i +17%
1466
A6x 4G
1257
Compute Score (GPU)
Realme C100i +1408%
724
A6x 4G
48
Compute Score (GPU) 724 48
Single-core score 435 449
Multi-core score 1466 1257
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
Realme C100i
337881
A6x 4G +34%
452848
CPU 142093 195569
GPU 20999 29569
Memory 77511 107925
UX 97278 119785
Total score 337881 452848
Samples Less than 3 Less than 3
Submit your benchmark results

Recent User Tests

The latest benchmark tests that have been submitted by users
Realme C100i
No benchmark results yet
Add
Oppo A6x 4G
DateBenchmarkResult
πŸ“˜ 2026-10-04 -> EditaddictsGeekbench 7 CPU486 / 1426
πŸ“˜ 2026-10-02 -> EditaddictsAnTuTu 12493553
πŸ“˜ 2026-09-29 -> EditaddictsAnTuTu 12490504
πŸ“˜ 2026-09-10 -> EditaddictsGeekbench 6 CPU485 / 1332
πŸ“˜ 2026-09-05 -> EditaddictsAnTuTu 11445263
Add View all (5)

Memory

RAM
RAM size 4 GB 4 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 2133 MHz
Channels 2 2
Storage
Storage size 64 GB 64 GB
Storage type eMMC 5.1 UFS 2.2
Memory card MicroSD MicroSD
Memory card max size Up to 2048 GB Up to 1024 GB

Software

Operating system Android 16 Android 15 (Can be upgraded to Android 16)
ROM Realme UI 7.0 ColorOS 16
OS updates - 2 years
Security updates - 3 years

Battery

Capacity 7000 mAh 6500 mAh
Max charge power 15 W 15 W
Battery type Silicon-Carbon (Si/C) Silicon-Carbon (Si/C)
Replaceable No No
Wireless charging No No
Reverse charging Yes Yes
Bypass charging No No
Fast charging Yes Yes
Add your battery life

Main camera

Matrix 8 megapixels 13 megapixels
Zoom Digital Digital
Flash 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 - 120 FPS (720p)
Lenses 1) Standard: 8 MP
1) Standard: 13 MP
Camera features - Bokeh mode - Bokeh mode
- Pro mode
Standard lens
Image resolution 8 MP 13 MP
Aperture f/2.0 f/2.2
Autofocus Phase autofocus Phase autofocus
Stabilization Digital Digital

Selfie camera

Megapixels 5 megapixels 5 megapixels
Aperture f/2.2 f/2.2
Focal length 27 mm -
Sensor CMOS CMOS
Autofocus No No
Stabilization Digital Digital
Video resolution 720p at 30 FPS 1080p (Full HD) at 30 FPS
Depth sensor (TOF 3D) No No

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 5.2 5
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG		 - Charging
- USB-Storage mode
- OTG
DisplayPort No No
GPS GPS, GLONASS, Galileo GPS, GLONASS, Beidou, Galileo, QZSS
NFC* No 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 Yes
5G support No No

Sound

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

Other

Category Budget Budget
Announced April 2026 December 2025
Release date May 2026 December 2025
Launch price (MSRP) $160 $160
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Fingerprint		 - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Yes, 15 W Yes, 15 W
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the camera, performance, and gaming are more important to you, then choose the Oppo A6x 4G. But if the battery life is more of a priority – go for the Realme C100i.

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