OnePlus Nord 2 5G vs Realme C51 - Detailed Phone Comparison

Detailed Comparison

Specification
Realme C51
Realme C51
Realme

General

Launch Date July 28, 2021 August 1, 2023
Release Year 2021 2023

Physical

Volume 96.79 cm³ 102.59 cm³
Screen Size to Weight Ratio 3.4 "/g 3.62 "/g
Weight 189 g 186 g
Height 159.1 mm 167.2 mm
Width 73.3 mm 76.7 mm
Thickness 8.3 mm 8 mm
Foldable Design No No
Available Colors
  • Gray Sierra
  • Blue Haze
  • Green Wood
  • Pac-Man Edition
  • Mint Green
  • Carbon Black

Display

Screen Size 6.43 " 6.74 "
Resolution 1080 x 2400 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 85.6 % 85.5 %
Pixel Density 409 PPI 260 PPI
Refresh Rate 90 Hz 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness N/A 560 nits

Hardware

Battery Capacity per Screen Area 108.84 mAh/in² 110.07 mAh/in²
Battery Density 46.49 mAh/cm³ 48.74 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 1200 (6 nm) Unisoc Tiger T612 (12 nm)
CPU Octa-core (1x3.0 GHz Cortex-A78 & 3x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Mali-G77 MC9 Mali-G57

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 13
Maximum OS Version 13

Comparison Summary

Alright, let's break down the OnePlus Nord 2 5G and the Realme C51. I'll put on my journalist and smartphone analyst hat to make the comparison crystal clear, offering you all the insights you'll need to choose the right phone for your needs.

1. Specifications Breakdown

Here’s a detailed comparison of the two phones, highlighting what the specifications mean for real-world usage:

FeatureOnePlus Nord 2 5GRealme C51Real-World Implications
Design
Launch Date2021-07-282023-08-01Realme C51 is newer, potentially benefiting from newer software features/updates
Dimensions159.1 x 73.3 x 8.3mm167.2 x 76.7 x 8mmNord 2 is more compact and easier to handle one-handed
Weight189g186gBoth phones are similarly weighted; negligible difference in hand feel
Display
Size6.43"6.74"C51 offers a larger viewing area, better for media consumption
Resolution1080x2400720x1600Nord 2's display is sharper and more detailed, better for reading and visual clarity
PPI409260Nord 2 has higher pixel density; images and text appear crisper
TechnologyAMOLEDIPS LCDNord 2 has better contrast, deeper blacks, and more vibrant colors
Refresh Rate90Hz90HzBoth offer smoother scrolling and animations compared to standard 60Hz screens
Performance
ChipsetDimensity 1200 (6nm)Tiger T612 (12nm)Nord 2 offers significantly faster performance; better for gaming and multitasking
AnTuTu Score714,400220,000Nord 2 scores significantly higher, indicating smoother and more responsive experience
GPUMali-G77 MC9Mali-G57 MP1Nord 2 has a more powerful GPU; smoother gaming and graphics-intensive apps
Battery Life
Capacity4500mAh5000mAhC51 likely provides longer battery life due to the larger capacity
Charging65W Fast Charging33W Fast ChargingNord 2 charges much faster, reducing downtime
Camera
Main Camera50MP (IMX766)50MP (S5KJN1)Nord 2 has a larger sensor, resulting in better low-light performance and image quality
Selfie Camera32MP (IMX615)5MP (S5K5E9)Nord 2 takes significantly higher-resolution selfies with more detail
Wide Angle LensYesNoNord 2 offers greater versatility with a wider field of view
Video4K@30fps1080p@30fpsNord 2 can record higher-resolution videos, capturing more detailed footage
OISYesNoNord 2 provides better image stabilization for smoother videos and clearer photos
Software
OSAndroid 11 (Up to 13)Android 13C51 has a newer version of Android, which may offer newer features and security patches
Connectivity
Wi-FiWi-Fi 6Wi-Fi 5Nord 2 supports faster and more efficient Wi-Fi connectivity
Bluetooth5.25.0Nord 2 has a more modern Bluetooth version for improved connectivity and features
GPSMore SystemsFewer SystemsNord 2 may offer more accurate and reliable location tracking
Storage
Internal128/256 GB64/128/256 GBBoth offer up to 256GB storage; sufficient for most users
RAM6/8/12 GB4/6 GBNord 2 offers more RAM options, better for multitasking and demanding apps
Expandable StorageNoNoNeither phone allows for expandable storage; choose a model with enough internal memory
Audio
Audio QualityStereo SpeakersMono SpeakerNord 2 delivers a richer audio experience with stereo sound
Security
Fingerprint SensorBasicSide-MountedRealme C51 features a more advanced side-mounted fingerprint sensor
Build Quality
Screen ProtectionGorilla Glass 5UnknownNord 2 offers better screen protection against scratches and impacts

2. Key Insights

OnePlus Nord 2 5G:

  • Strengths: The Nord 2 excels in performance, display quality, and camera capabilities. Its Dimensity 1200 chipset provides significantly faster processing power, making it ideal for gaming and heavy multitasking. The AMOLED display offers vibrant colors and crisp details, while the 50MP main camera with OIS ensures excellent image quality, even in low light.
  • Competitive Advantages: Superior processing power, a high-quality AMOLED display, versatile camera system with OIS, and faster charging.
  • Trade-offs: It has a smaller battery compared to the Realme C51 and runs an older version of Android (though upgradable). It's also the older phone of the two.

Realme C51:

  • Strengths: The Realme C51 boasts a larger battery and a more modern Android version out of the box. Its affordability makes it a compelling option for budget-conscious users who prioritize battery life.
  • Competitive Advantages: Longer battery life, newer Android version, and a lower price point.
  • Trade-offs: It has a significantly weaker processor, lower resolution display, and inferior camera performance compared to the Nord 2. The screen quality is also not the best.

3. User Profiles and Recommendations

  • OnePlus Nord 2 5G:

    • Ideal For: Gamers, photography enthusiasts, and users who demand smooth performance and a high-quality display.
    • Use Cases: Mobile gaming, capturing high-resolution photos and videos, streaming media, and running demanding applications.
    • Value: Offers excellent value for users seeking a premium mid-range experience, but now a little dated.
  • Realme C51:

    • Ideal For: Budget-conscious users who prioritize long battery life and a larger screen for basic tasks.
    • Use Cases: Everyday communication, browsing, social media, and light media consumption.
    • Value: Provides a good balance of essential features at an affordable price point.

4. Buying Decision Framework

Here are three questions to help you decide:

  1. How important is performance? If you need a phone for gaming, multitasking, or running demanding apps, the Nord 2 is the clear choice.
  2. What is your budget? The Realme C51 is a more affordable option, but you'll be making significant compromises in performance and display quality.
  3. How much do you value camera quality and display fidelity? If you want crisp photos, vibrant videos, and an immersive viewing experience, the Nord 2 is worth the investment.

Scenario-Based Recommendations:

  • Budget Gamer: If your budget is tight and you want to play casual games, the Realme C51 will suffice. However, for more demanding titles, the Nord 2 is essential.
  • Photo Enthusiast: The Nord 2's superior camera system and OIS make it the better choice for capturing high-quality photos and videos.
  • Power User: If you need a phone that can handle multiple apps, heavy browsing, and long hours of use, the Nord 2's performance and fast charging capabilities are invaluable.

In conclusion:

After weighing all the specs and considering the different user profiles, I'd personally choose the OnePlus Nord 2 5G.

Even though it's an older model, the Nord 2's superior performance, display, and camera capabilities make it the better choice for my needs. I heavily rely on my phone for demanding tasks, and the smoothness and responsiveness that the Nord 2 provides are worth more to me than a larger battery or a slightly newer version of Android. Plus, as a bit of a photography buff, the camera is an awesome part of the Nord 2 and takes much nicer pictures than the C51. I do prefer side-mounted fingerprint sensors but everything else about the Nord 2 makes up for that.

Though the C51 has its strengths in battery life and cost, the Nord 2 simply offers a better overall user experience.

Alex Griffin
Alex Griffin

Technology analyst specializing in mobile devices and consumer electronics.

Core Expertise

  • Mobile technology analysis
  • Consumer electronics evaluation
  • Technical specification interpretation
  • User experience insights

Professional Mission Empowering readers to make informed technology decisions by transforming intricate specifications into understandable, practical guidance.

Demystifying technology, one device at a time.