Realme C55 vs Realme C51 - Detailed Phone Comparison

Detailed Comparison

Specification
Realme C55
Realme C55
Realme
Realme C51
Realme C51
Realme

General

Launch Date March 8, 2023 August 1, 2023
Release Year 2023 2023

Physical

Volume 99.3 cm³ 102.59 cm³
Screen Size to Weight Ratio 3.55 "/g 3.62 "/g
Weight 189.5 g 186 g
Height 165.6 mm 167.2 mm
Width 75.9 mm 76.7 mm
Thickness 7.9 mm 8 mm
Foldable Design No No
Available Colors
  • Sun Shower
  • Rainy Night
  • Rainforest
  • Mint Green
  • Carbon Black

Display

Screen Size 6.72 " 6.74 "
Resolution 1080 x 2400 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 86.7 % 85.5 %
Pixel Density 392 PPI 260 PPI
Refresh Rate 90 Hz 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 680 nits 560 nits

Hardware

Battery Capacity per Screen Area 110.72 mAh/in² 110.07 mAh/in²
Battery Density 50.35 mAh/cm³ 48.74 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek MT6769H Helio G88 (12 nm) Unisoc Tiger T612 (12 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Mali-G52 MC2 Mali-G57

Connectivity

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

Software

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

Comparison Summary

1. Specifications Comparison

FeatureRealme C55Realme C51Practical Impact
Design
Dimensions (mm)165.6 x 75.9 x 7.9167.2 x 76.7 x 8C55 is slightly smaller and thinner. Negligible difference in hand feel.
Weight (g)189.5186Virtually identical weight.
Display
Size (inches)6.726.74C51 has a slightly larger screen.
Resolution (px)1080 x 2400720 x 1600C55 has a significantly sharper and more detailed display (FHD+ vs HD+). Impacts clarity of text, images, and videos.
Display TypeIPS LCD, 90HzIPS LCD, 90HzBoth have smooth 90Hz displays, but C55's higher resolution makes the smoothness more noticeable and enjoyable.
Peak Brightness (nits)680560 (unverified)C55 likely has better outdoor visibility due to higher peak brightness. C51's value is unverified, so direct comparison is limited.
Performance
ChipsetMediatek Helio G88 (12nm)Unisoc Tiger T612 (12nm)G88 generally offers better CPU and GPU performance compared to the T612. C55 will handle demanding tasks and games more smoothly.
CPUOcta-core (2x2.0 GHz A75 & 6x1.8 GHz A55)Octa-core (2x1.8 GHz A75 & 6x1.8 GHz A55)C55 has slightly faster prime cores for quicker app loading and multitasking.
GPUMali-G52 MC2Mali-G57 MP1G52 MC2 offers better gaming performance than the G57 MP1 in the T612.
RAM6/8GB4/6GBMore RAM options available for C55. 8GB provides smoother multitasking and better performance for demanding applications.
Camera
Main Camera (MP)6450C55 has a higher resolution main camera sensor, potentially capturing more detailed photos.
Selfie Camera (MP)85C55 has a higher resolution selfie camera.
Video Recording1080p@30/60fps1080p@30fpsC55 offers 60fps recording for smoother videos.
Battery
Capacity (mAh)50005000Identical battery capacity. Real-world battery life will depend on usage and optimization.
Fast Charging33W33WBoth phones offer the same fast charging speed.

2. Key Differences Analysis

Realme C55 Advantages:

  • Significantly better display: Higher resolution and brightness for a sharper, more vibrant viewing experience.
  • Superior performance: More powerful chipset and GPU for smoother gaming and multitasking.
  • More RAM options: Availability of 8GB RAM for enhanced performance.
  • Higher resolution cameras: Potential for more detailed photos and videos.
  • 60fps video recording: Smoother video capture.

Realme C51 Advantages:

  • Slightly larger display: Minimal difference in size, but may be preferred by some users.
  • Potentially lower price: Depending on specific configurations, the C51 may be more affordable.

3. User Profiles & Recommendations

Realme C55: Suitable for users who prioritize display quality, performance, and camera capabilities. Ideal for gaming, media consumption, and multitasking.

Realme C51: Best suited for budget-conscious users who prioritize basic functionality and long battery life. Suitable for everyday tasks like calling, texting, browsing, and social media.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The C51 is generally cheaper.
  2. How important is display quality and performance? The C55 significantly outperforms the C51 in these areas.
  3. What are your primary use cases? Gaming and media consumption favor the C55, while basic usage favors the C51.

My Choice: Realme C55

The Realme C55 is the clear winner for me. The significantly improved display, superior performance from the Helio G88 chipset, higher resolution cameras, and availability of 8GB RAM make it a much more compelling device. While the C51 might be slightly cheaper, the compromises in display quality and performance are too significant for most users. The C55 offers a much more enjoyable and future-proof user experience. The slightly smaller physical size of the C55 is also preferable for me. The difference in price is worth the significant jump in quality and performance offered by the C55.

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.

Key Strengths:

  • Mobile technology analysis
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Bridging technical complexity with engaging, accessible narratives.