Oppo Realme C55 vs OnePlus Ace 6

Compared 2 smartphones : Oppo Realme C55 Manufactured in March, 2023, with display 6.72 with chipsetMediaTek Helio G88, vs OnePlus Ace 6, Manufactured in October, 2025 with chipsetQualcomm Snapdragon 8 Elite. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Oppo Realme C55
  • Lighter design: 189.5g vs 213g
  • Includes charger
Reasons to choose OnePlus Ace 6
  • Larger display: 6.83in
  • Higher pixel density: 450ppi
  • Higher refresh rate: 165Hz
  • Higher battery capacity: 7800mAh vs 5000mAh
  • Newer Bluetooth version: 5.4 vs 5.2
  • Infrared port

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/64 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Oppo Realme C55 and OnePlus Ace 6
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
vs

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.72 in 6.83 in
Resolution 1080x2400 pixels 1272x2800 pixels
Aspect ratio 20:9 19.5:9
Pixel density 392 ppi 450 ppi
Refresh rate 90 Hz 165 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness 680 nits 800 nits
HDR support No Yes, Dolby Vision
Touch Sampling Rate 180 Hz 300 Hz
Screen-to-body ratio 86.7 % 91 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Oppo Realme C55
655 nits
OnePlus Ace 6
n/a
sRGB gamut100 %n/a
Response time21 msn/a
Contrast1471:1n/a

Design & Build

Design and ergonomics comparison
Height 165.6 mm (6.52 in) 163.4 mm (6.43 in)
Width 75.9 mm (2.99 in) 77 mm (3.03 in)
Thickness 7.89 mm (0.31 in) 8.3 mm (0.33 in)
Weight 189.5 g (6.68 oz) 213 g (7.51 oz)
Water resistance No IP69
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - Blue
- Green
- Yellow
- White
- Black
- Silver
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Oppo Realme C55
86.7 %
OnePlus Ace 6
91 %

Performance

Testing Oppo Realme C55 and OnePlus Ace 6 In benchmarks
Processor
Chipset MediaTek Helio G88 Qualcomm Snapdragon 8 Elite
Max Frequency 2000 MHz 4320 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)
- 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
Process TSMC TSMC
Transistor Size 12 nm 3 nm
Neural Processor MediaTek APU Hexagon
Graphics Mali-G52 MP2 Adreno 830
GPU Cores 48 1536
GPU Frequency 1000 MHz 1100 MHz
FLOPS 96 GFLOPS 3379.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme C55
425
OnePlus Ace 6
3160
Geekbench 6 (Multi-Core)
Oppo Realme C55
1413
OnePlus Ace 6
9736
Geekbench 6 (Single-Core)4253160
Geekbench 6 (Multi-Core)14139736
AnTuTu 10
AnTuTu 10
Oppo Realme C55
274070
OnePlus Ace 6
3114604
CPU81734856857
GPU419201148661
Memory74959455327
UX75457653759
NanoReview Score2740703114604
3DMark Wild Life
3DMark Wild Life
Oppo Realme C55
742
OnePlus Ace 6
n/a
Max Surface Temp.47.8 °Cn/a
Stability98 %n/a
Graphics Test4 fpsn/a
Graphics Score742n/a
PCMark 3.0
PCMark 3.0
Oppo Realme C55
8633
OnePlus Ace 6
n/a
Writing score9636n/a
Web score7137n/a
Video editing6212n/a
Data manipulation6028n/a
NanoReview Score8633n/a

Memory

RAM
RAM Size - 6 GB
- 8 GB
12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 1800 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity- 128 GB
- 256 GB
256 GB
Storage TypeeMMC 5.1UFS 4.1
Memory CardMicroSDNo

Software

OS Android 13 (Upgradeable to Android 14) Android 16
OS Size 20 GB n/a
UI Skin Realme UI 5.0 ColorOS 16

Battery

Volume 5000 mAh 7800 mAh
Max Charging Power 33 W 120 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes (27% in 30 min) Yes (58% in 20 min)
Full Charge Time 1:09 h 0:44 h
Battery Life Test
Battery Life
Oppo Realme C55
22:19
OnePlus Ace 6
n/a
Web Browsing07:44 hn/a
Video Playback12:22 hn/a
Games05:14 hn/a
Standby Mode124 hn/a

Main camera

Matrix 64 MP 50 MP
Photo resolution 9248x6944 pixels 8192x6144 pixels
Zoom Digital Digital
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording No Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 120 fps (720p) 240 fps (1080p)
Wide-angle lens n/a 112 °
Lenses count Standard: 64 MP
Depth: 2 MP
Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix64 MP50 MP
Aperturen/af/1.8
Focal lengthn/a24 mm
SensorOmnivision OV64BSony LYTIA-T808
Sensor size1/21/1.43
Pixel size0.7 μm1.12 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrixn/a8 MP
Aperturen/af/2.2
Focal lengthn/a16 mm
Sensorn/aOmnivision OV08D10
Sensor sizen/a1/4.0
Pixel sizen/a1.12 μm
Stabilizationn/aDigital

Front camera

Matrix 8 MP 16 MP
Photo resolution 3264x2448 pixels 4608x3456 pixels
Aperture f/2.0 f/2.4
Focal length n/a 23 mm
Sensor CMOS Sony IMX480
Sensor size n/a 1/3.09
Pixel size n/a 1 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- Charging
- USB Storage Mode
- OTG
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Varies by region Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900n/a
3G BandsWCDMA Bands 1/5/8n/a
LTE Bands*LTE (B1/B3/B5/B8/B38/B40/B41)
LTE category7n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio No No
Dolby Atmos No No
Speaker Test
Max Volume
Oppo Realme C55
80.6 dB
OnePlus Ace 6
n/a

Other

Class Budget Flagship
Announced March, 2023 yr October, 2025 yr
Release Date March, 2023 yr October, 2025 yr
Launch Price ($) 160 n/a
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 33 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider OnePlus Ace 6 the clear winner in this comparison.

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