Xiaomi Redmi 9C vs Realme C51 - Detailed Phone Comparison

Detailed Comparison

Specification
Realme C51
Realme C51
Realme

General

Launch Date August 12, 2020 August 1, 2023
Release Year 2020 2023

Physical

Volume 114.28 cm³ 102.59 cm³
Screen Size to Weight Ratio 3.33 "/g 3.62 "/g
Weight 196 g 186 g
Height 164.9 mm 167.2 mm
Width 77 mm 76.7 mm
Thickness 9 mm 8 mm
Foldable Design No No
Available Colors
  • Midnight Gray
  • Sunrise Orange
  • Twilight Blue
  • Mint Green
  • Carbon Black

Display

Screen Size 6.53 " 6.74 "
Resolution 720 x 1600 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 81.1 % 85.5 %
Pixel Density 269 PPI 260 PPI
Refresh Rate N/A 90 Hz
Typical Brightness 400 nits N/A
HBM Brightness N/A N/A
Peak Brightness N/A 560 nits

Hardware

Battery Capacity per Screen Area 117.26 mAh/in² 110.07 mAh/in²
Battery Density 43.75 mAh/cm³ 48.74 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support No Yes
Chipset Mediatek MT6765G Helio G35 (12 nm) Unisoc Tiger T612 (12 nm)
CPU Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU PowerVR GE8320 Mali-G57

Connectivity

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

Software

Operating System Android Android
Initial OS Version 10 13
Maximum OS Version

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the Xiaomi Redmi 9C and Realme C51, focusing on practical implications:

FeatureXiaomi Redmi 9CRealme C51Practical Impact
Design
Dimensions164.9 × 77 × 9 mm, 196g167.2 × 76.7 × 8 mm, 186gRealme C51 is slightly taller and thinner, and a bit lighter. May feel more comfortable in hand for some.
Display
Size6.53"6.74"Realme C51 offers a slightly larger viewing area, better for media consumption.
Resolution720x1600720x1600Both offer similar sharpness; pixelation may be noticeable to some users.
Refresh Rate60Hz90HzRealme C51's display will feel smoother, especially when scrolling or playing compatible games.
Performance
ChipsetMediatek Helio G35 (12nm)Unisoc Tiger T612 (12nm)Realme C51 offers significantly better performance for apps and gaming.
AnTuTu Score110,490220,000The Realme C51 will feel much faster in everyday use.
Camera
Main Camera13MP, f/2.250MP, f/1.8Realme C51 will capture more detailed photos, especially in good lighting. Wider aperture allows better low-light.
Selfie Camera5MP, f/2.25MP, f/2.2Similar selfie quality.
Depth/Macro Lens2MP/2MPNoneXiaomi Redmi 9C has dedicated lenses for portrait and macro shots, but quality may be limited.
Battery
Capacity5000mAh5000mAhSimilar battery life.
Charging10W33WRealme C51 charges much faster, significantly reducing charging time.
Software
OSAndroid 10Android 13Realme C51 has a more modern OS with the latest features and security updates.
Connectivity
Wi-Fi802.11 b/g/n802.11 a/b/g/n/acRealme C51 supports faster and more stable Wi-Fi connections, especially on 5GHz networks.
Storage
Internal32/64/128 GB64/128/256 GBRealme C51 has an option for more internal storage, good for storing more apps, photos and videos.
RAM2/3/4 GB4/6 GBRealme C51 handles multitasking better, allowing more apps to run smoothly in the background.
Expandable StorageNoNoBoth do not support expandable storage. User should choose adequate internal storage option.
Security
Fingerprint SensorRear-mountedSide-mountedSide-mounted sensors are generally considered more convenient and faster.
Other
AudioBasicNoise Cancellation MicRealme C51 provides better audio quality, particularly during calls.
SensorsAccelerometer, Magnetometer, ProximityAccelerometer, ProximityXiaomi Redmi 9C has magnetometer

2. Key Differences Analysis

Xiaomi Redmi 9C Advantages:

  • Depth and Macro Lenses: Dedicated lenses offer additional options for photography, although the quality might be limited.
  • Magnetometer: Included magnetometer sensor (compass)

Practical Implications:

  • The depth lens allows for portrait mode photos, even though the quality may be marginal.
  • The macro lens enables close-up shots of small objects, but may be less useful in typical scenarios.
  • Magnetometer sensor (compass) can be useful for navigation.

Realme C51 Advantages:

  • Significantly Faster Performance: The Unisoc T612 chipset offers a much smoother experience for everyday tasks and gaming.
  • Faster Charging: 33W charging drastically reduces charging times.
  • Better Main Camera: 50MP sensor and wider aperture capture more detailed photos, especially in good lighting, and better low-light performance.
  • Modern Android Version: Android 13 provides the latest features, security updates, and optimizations.
  • Higher Refresh Rate Display: 90Hz display offers smoother scrolling and animations.
  • More Internal Storage: 256GB option provides more space for apps, photos, and videos.
  • Noise cancellation microphone: Clearer calls
  • Faster Wi-Fi: 802.11 a/b/g/n/ac

Practical Implications:

  • Apps load faster, multitasking is smoother, and gaming is more enjoyable.
  • Less time spent waiting for the phone to charge.
  • Better photo quality for sharing on social media and capturing memories.
  • Access to the latest features and security improvements from Google.
  • Smoother visual experience.
  • More storage capacity.

Significant Trade-offs:

  • Realme C51 lacks dedicated depth and macro lenses, but the main camera's superior quality may compensate.
  • Realme C51 has a slightly less convenient side-mounted fingerprint sensor.
  • Realme C51 lacks magnetometer sensor (compass)

3. User Profiles & Recommendations

Xiaomi Redmi 9C:

  • Ideal User: Budget-conscious users with very basic smartphone needs.
  • Use Cases:
    • Basic communication (calls, texts).
    • Simple social media browsing.
    • Occasional photo taking.
  • Price-to-Value: Only consider if the price is significantly lower than the Realme C51.

Realme C51:

  • Ideal User: Users who want a smooth and responsive smartphone experience at an affordable price.
  • Use Cases:
    • Everyday social media use and web browsing.
    • Casual gaming.
    • Taking photos and videos for social media.
    • Watching videos and streaming content.
  • Price-to-Value: Offers excellent value for the performance and features it provides.

4. Decision Framework

Key Questions for Buyers:

  1. How important is performance? If you need a phone that can handle multitasking and gaming smoothly, the Realme C51 is the better choice.
  2. How important is camera quality? If you want to take decent photos, especially in good lighting, the Realme C51's 50MP camera is a significant advantage.
  3. What is your budget? If you're on a very tight budget, the Redmi 9C might be a viable option, but consider the trade-offs in performance and features.

Scenario-Based Recommendations:

  • Scenario 1: Basic User, Tight Budget: If you primarily use your phone for calls, texts, and light browsing, and your budget is extremely limited, the Redmi 9C might suffice.
  • Scenario 2: Everyday User, Balanced Needs: If you want a phone that can handle everyday tasks smoothly, take decent photos, and charge quickly, the Realme C51 is the clear winner.
  • Scenario 3: Social Media Enthusiast: If you frequently use social media, watch videos, and take photos, the Realme C51's faster performance, better camera, and smoother display make it the better option.

My Choice

If I were choosing between these two phones, I would pick the Realme C51. The performance difference is significant, and the faster charging, better camera, and smoother display offer a much better overall user experience. While the Redmi 9C might be slightly cheaper, the Realme C51 provides a significantly better value for the money. The Realme C51 ensures a smoother, more enjoyable, and future-proof smartphone experience for only a marginal increase in price, which makes it the smarter investment.

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.