Realme C55 vs Oppo Reno12 - Detailed Phone Comparison

Detailed Comparison

Specification
Realme C55
Realme C55
Realme

General

Launch Date March 8, 2023 June 25, 2024
Release Year 2023 2024

Physical

Volume 99.3 cm³ 90.89 cm³
Screen Size to Weight Ratio 3.55 "/g 3.79 "/g
Weight 189.5 g 177 g
Height 165.6 mm 161.4 mm
Width 75.9 mm 74.1 mm
Thickness 7.9 mm 7.6 mm
Foldable Design No No
Available Colors
  • Sun Shower
  • Rainy Night
  • Rainforest
  • Matte Brown
  • Sunset Pink
  • Astro Silver

Display

Screen Size 6.72 " 6.7 "
Resolution 1080 x 2400 1080 x 2412
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 86.7 % 90.3 %
Pixel Density 392 PPI 394 PPI
Refresh Rate 90 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 680 nits 1200 nits

Hardware

Battery Capacity per Screen Area 110.72 mAh/in² 111.38 mAh/in²
Battery Density 50.35 mAh/cm³ 55.01 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek MT6769H Helio G88 (12 nm) Mediatek Dimensity 7300 Energy (4 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Mali-G52 MC2 Mali-G615 MC2

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 14
Maximum OS Version 17

Comparison Summary

1. Specifications Comparison

FeatureRealme C55Oppo Reno12Practical Impact
Design
Dimensions (mm)165.6 x 75.9 x 7.9161.4 x 74.1 x 7.6Reno12 is slightly smaller and thinner, potentially more pocketable.
Weight (g)189.5177Reno12 is noticeably lighter, improving one-handed use.
Fingerprint SensorSide-mountedUnder-displayPreference-based, but under-display is often perceived as more modern.
Display
Display TypeIPS LCDAMOLEDAMOLED offers deeper blacks, vibrant colors, and better power efficiency in dark mode.
Display Size (inches)6.726.7Negligible size difference.
Resolution (pixels)1080 x 24001080 x 2412Virtually identical resolution.
Refresh Rate (Hz)90120Reno12's 120Hz offers smoother scrolling and animations.
Peak Brightness (nits)6801200Reno12's significantly higher brightness ensures better visibility outdoors.
HDRNoHDR10+Reno12 supports HDR content for a wider dynamic range and richer visuals.
Performance
ChipsetMediatek Helio G88 (12nm)Mediatek Dimensity 7300 (4nm)Reno12's 4nm chipset offers significantly better performance and power efficiency.
CPUOcta-core (2x2.0 GHz A75 & 6x1.8 GHz A55)Octa-core (4x2.5 GHz A78 & 4x2.0 GHz A55)Reno12 has faster and more powerful CPU cores, resulting in smoother multitasking and app loading.
GPUMali-G52 MC2Mali-G615 MC2Reno12's GPU should provide better gaming performance, though specific benchmarks are needed for a definitive comparison.
RAM (GB)6/812Reno12 offers significantly more RAM, enabling better multitasking and preventing app closures in the background.
Camera
Main Camera (MP)6450Megapixel count isn't everything; sensor size and quality are crucial. Reno12 utilizes a Sony sensor known for good quality.
UltrawideNo8 MPReno12 offers ultrawide photography, expanding creative possibilities.
Video Recording1080p@60fps4K@30fps, 1080p@120fpsReno12 supports higher resolution and frame rate video recording with OIS and EIS for smoother footage.
Battery
Capacity (mAh)50005000Identical battery capacity.
Fast Charging (W)3380Reno12 charges significantly faster.

2. Key Differences Analysis

Realme C55 Advantages:

  • Potentially Lower Price: Given the specifications and "medium price" range, it's likely more affordable than the Reno12.

Oppo Reno12 Advantages:

  • Superior Performance: The Dimensity 7300 chipset, higher RAM, and faster GPU offer a significant performance advantage for demanding tasks and gaming.
  • Better Display: AMOLED technology, higher refresh rate, and HDR10+ support result in a vastly improved visual experience.
  • Faster Charging: 80W fast charging drastically reduces charging times.
  • Enhanced Camera Features: OIS, EIS, ultrawide lens, and 4K video recording offer more versatility and higher quality video capabilities.

Trade-offs:

  • Price: The Reno12's advanced features likely come at a higher price.

3. User Profiles & Recommendations

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

Oppo Reno12: Users who demand a premium experience with smooth performance, a vibrant display, fast charging, and versatile camera capabilities. Suitable for mobile gamers, content creators, and those who consume a lot of media on their phones.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The Reno12 is likely significantly more expensive.
  2. What are your primary smartphone uses? Basic tasks vs. demanding gaming/content creation.
  3. How important is display and camera quality? The Reno12 offers significant advantages in these areas.

My Choice: Oppo Reno12

While the price difference is a factor, the Oppo Reno12 offers a significantly superior overall experience. The performance gains from the Dimensity 7300, coupled with the AMOLED display, 120Hz refresh rate, and vastly improved camera features, justify the higher price for me. The faster 80W charging is a major convenience. While the Realme C55 is a decent budget option, the Reno12 provides a future-proof device capable of handling demanding tasks and providing a premium user experience for years to come. The leap in performance, display, and camera technology makes the Reno12 the clear winner for me.

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.