Realme C55 vs OnePlus 12 - Detailed Phone Comparison

Detailed Comparison

Specification
Realme C55
Realme C55
Realme
OnePlus 12
OnePlus 12
Oneplus

General

Launch Date March 8, 2023 December 11, 2023
Release Year 2023 2023

Physical

Volume 99.3 cm³ 114.58 cm³
Screen Size to Weight Ratio 3.55 "/g 3.1 "/g
Weight 189.5 g 220 g
Height 165.6 mm 164.3 mm
Width 75.9 mm 75.8 mm
Thickness 7.9 mm 9.2 mm
Foldable Design No No
Available Colors
  • Sun Shower
  • Rainy Night
  • Rainforest
  • Flowy Emerald
  • Silky Black
  • Silver (Glacial White)

Display

Screen Size 6.72 " 6.82 "
Resolution 1080 x 2400 1440 x 3168
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 86.7 % 90.8 %
Pixel Density 392 PPI 510 PPI
Refresh Rate 90 Hz 120 Hz
Typical Brightness N/A 600 nits
HBM Brightness N/A 1600 nits
Peak Brightness 680 nits 4500 nits

Hardware

Battery Capacity per Screen Area 110.72 mAh/in² 116.10 mAh/in²
Battery Density 50.35 mAh/cm³ 47.13 mAh/cm³
Battery Capacity 5000 mAh 5400 mAh
NFC Support Yes Yes
Chipset Mediatek MT6769H Helio G88 (12 nm) Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
GPU Mali-G52 MC2 Adreno 750

Connectivity

USB Version 2.0 3.2
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 2.0 USB Type-C 3.2, OTG

Software

Operating System Android Android
Initial OS Version 13 14
Maximum OS Version 18

Comparison Summary

1. Specifications Comparison

FeatureRealme C55OnePlus 12Practical Impact
Design
Dimensions (mm)165.6 x 75.9 x 7.9164.3 x 75.8 x 9.2OnePlus 12 is slightly shorter, marginally narrower, but thicker. The Realme C55 is noticeably lighter.
Weight (g)189.5220The Realme C55's lighter weight will be more comfortable for extended use.
Display
Display TypeIPS LCDLTPO AMOLEDOnePlus 12 offers superior contrast, deeper blacks, and potentially better power efficiency due to LTPO. Realme C55's LCD might be preferable in bright sunlight.
Display Size (inches)6.726.82Negligible difference in size.
Resolution1080 x 24001440 x 3168OnePlus 12 has a significantly sharper display with higher pixel density, resulting in crisper text and images.
Refresh Rate (Hz)90120OnePlus 12 provides smoother scrolling and animations thanks to the higher refresh rate.
Peak Brightness (nits)6804500OnePlus 12 offers drastically better visibility in direct sunlight.
Performance
ChipsetMediatek Helio G88 (12nm)Snapdragon 8 Gen 3 (4nm)OnePlus 12 boasts a significantly more powerful processor built on a smaller node, resulting in much faster performance and better power efficiency.
CPUOcta-core (2x2.0 GHz A75 & 6x1.8 GHz A55)Octa-core (1x3.3 GHz X4 & 3x3.2 GHz A720 & 2x3.0 GHz A720 & 2x2.3 GHz A520)The OnePlus 12's CPU architecture is far superior, leading to a massive performance difference in demanding tasks and multitasking.
GPUMali-G52 MC2Adreno 750OnePlus 12 offers vastly improved graphics performance, crucial for gaming and demanding applications.
RAM (GB)6/812/16/24OnePlus 12's higher RAM capacity enables smoother multitasking and better handling of demanding applications.
Camera
Main Camera (MP)6450Pixel count isn't everything. The OnePlus 12 likely uses a larger sensor with better low-light performance despite lower resolution. Requires further sensor analysis to definitively compare image quality.
Additional CamerasDepth sensorWide-angle, TelephotoOnePlus 12 offers significantly more versatile camera options.
Video Recording1080p@60fps8K@24fpsOnePlus 12 offers higher resolution video recording capabilities.
Battery
Capacity (mAh)50005400Both offer good battery life, but the OnePlus 12's larger battery and more efficient processor should provide longer usage times.
Fast Charging (W)33100OnePlus 12 charges significantly faster.

2. Key Differences Analysis

Realme C55 Advantages:

  • Lighter and potentially more affordable: Easier to handle and potentially a better budget option.
  • Potentially better sunlight readability: LCDs can sometimes be more readable in direct sunlight than OLEDs, though the extremely high peak brightness of the OnePlus 12 likely negates this.

OnePlus 12 Advantages:

  • Significantly more powerful: Superior performance in all aspects due to a much better processor, GPU, and more RAM.
  • Superior display: Higher resolution, refresh rate, contrast ratio, and peak brightness offer a much better viewing experience.
  • More versatile camera system: Multiple lenses provide greater flexibility for photography.
  • Faster charging: Reduces downtime significantly.
  • More premium materials and likely better build quality: Although specifications don't explicitly state this, the price range suggests higher quality materials.

3. User Profiles & Recommendations

Realme C55: Budget-conscious users who prioritize basic functionality (calling, texting, social media) and light gaming.

OnePlus 12: Users who demand top-tier performance for demanding tasks, gaming, and multimedia consumption. Photography enthusiasts will appreciate the versatile camera system.

4. Decision Framework

Key Questions:

  1. What is your budget? The Realme C55 is significantly cheaper.
  2. What are your primary use cases? Basic tasks vs. demanding applications and gaming.
  3. How important is display quality and camera versatility? The OnePlus 12 significantly outperforms the Realme C55 in these areas.

Scenario-Based Recommendations:

  • Limited budget, basic usage: Realme C55
  • Demanding user, high-end experience: OnePlus 12

My Choice: OnePlus 12

While the Realme C55 offers good value for its price, the OnePlus 12's superior performance, display, and camera system make it the clear winner for me. The significantly faster charging and larger battery are also compelling factors. I prioritize a smooth and responsive user experience, high-quality visuals, and the ability to run demanding applications without lag. The price difference is significant, but the OnePlus 12 offers a substantial upgrade in almost every aspect, making it a worthwhile investment for my needs. The longevity offered by the more powerful hardware and promised software updates further justifies the higher cost.

Emily Harper
Emily Harper

Technology Insights Specialist

Dedicated technology writer specializing in mobile device analysis and technology communication. Expert at translating complex smartphone features into clear, actionable insights for diverse audiences.

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Bridging technical complexity with engaging, accessible narratives.