OnePlus Nord 3 vs Realme 12x - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus Nord 3
OnePlus Nord 3
Oneplus
Realme 12x
Realme 12x
Realme

General

Launch Date July 11, 2023 April 7, 2024
Release Year 2023 2024

Physical

Volume 99.76 cm³ 99.56 cm³
Screen Size to Weight Ratio 3.48 "/g 3.51 "/g
Weight 193.5 g 190 g
Height 162 mm 165.6 mm
Width 75.1 mm 76.1 mm
Thickness 8.2 mm 7.9 mm
Foldable Design No No
Available Colors
  • Misty Green
  • Tempest Gray
  • Glowing Black
  • Feather Green

Display

Screen Size 6.74 " 6.67 "
Resolution 1240 x 2772 720 x 1604
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.8 % 85.1 %
Pixel Density 451 PPI 264 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 625 nits
Peak Brightness 1450 nits N/A

Hardware

Battery Capacity per Screen Area 110.07 mAh/in² 112.39 mAh/in²
Battery Density 50.12 mAh/cm³ 50.22 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 9000 (4 nm) Mediatek Dimensity 6100+ (6 nm)
CPU Octa-core (1x3.05 GHz Cortex-X2 & 3x2.85 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G710 MC10 Mali-G57 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, OTG USB Type-C 2.0

Software

Operating System Android Android
Initial OS Version 13 14
Maximum OS Version 16

Comparison Summary

1. Specifications Comparison

FeatureOnePlus Nord 3Realme 12xPractical Impact
Design
Dimensions162x75.1x8.2mm165.6x76.1x7.9mmRealme 12x is slightly larger and thinner. Negligible difference in everyday use.
Weight193.5g190gVirtually identical weight; no noticeable difference in hand.
Fingerprint SensorUnder-displaySide-mountedPreference-based; under-display is often perceived as more modern, side-mounted can be faster to unlock.
Display
Display TypeFluid AMOLED, 1B colors, 120Hz, HDR10+IPS LCD, 120HzNord 3 offers significantly better contrast, color accuracy, and wider color gamut thanks to AMOLED. HDR10+ further enhances visuals.
Display Size6.74"6.67"Negligible size difference.
Resolution1240x2772720x1604Nord 3 has a much sharper display (451 ppi vs 264 ppi), resulting in crisper text and images.
Peak Brightness1450 nits(625 nits HBM)Nord 3 offers far superior brightness, ensuring better visibility in sunlight. Missing specific peak brightness for Realme makes direct comparison incomplete but HBM suggests lower typical brightness.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations.
Performance
ChipsetMediatek Dimensity 9000 (4 nm)Mediatek Dimensity 6100+ (6 nm)Nord 3's Dimensity 9000 is significantly more powerful, enabling smoother multitasking, faster app loading, and better gaming performance. 4nm process suggests better power efficiency.
CPUOcta-core (1x3.05 GHz Cortex-X2 & 3x2.85 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)Nord 3's CPU architecture is more modern and powerful, translating to noticeable real-world performance gains.
GPUMali-G710 MC10Mali-G57 MC2Nord 3 offers substantially better graphics performance for demanding games and applications.
RAM16GB8GBNord 3's doubled RAM allows for smoother multitasking and less frequent app reloading.
Storage256GB256GBIdentical storage capacity.
Battery
Capacity5000 mAh5000 mAhIdentical battery capacity. Real-world battery life will depend on software optimization and usage patterns. Nord 3's more efficient chipset might provide better longevity.
Camera
Video Capabilities4K@30/60fps (EIS), 1080p@30/60/120fps (EIS)1080p@30fpsThe Nord 3 boasts significantly superior video recording capabilities, including higher resolution (4K) and frame rates, along with Electronic Image Stabilization (EIS). Missing detailed camera specs limits full comparison.

2. Key Differences Analysis

OnePlus Nord 3 Advantages:

  • Significantly superior display: AMOLED with higher resolution, brightness, and HDR10+ support.
  • Much more powerful performance: Dimensity 9000 chipset, more RAM, and a stronger GPU.
  • Advanced video recording capabilities: 4K recording at various frame rates with EIS.

Realme 12x Advantages:

  • Potentially lower price within the "medium price" range (exact prices not provided). Slightly thinner design. Android 14 out of the box.

Trade-offs:

  • Realme 12x: Sacrifices display quality, performance, and camera features for potential affordability.
  • OnePlus Nord 3: Likely more expensive; potentially slightly thicker.

3. User Profiles & Recommendations

OnePlus Nord 3: Ideal for users who prioritize performance, a high-quality display, and versatile camera features. Suitable for demanding tasks like gaming, content creation, and media consumption.

Realme 12x: Best suited for budget-conscious users who prioritize basic functionality and a large screen. Suitable for everyday tasks like browsing, social media, and casual gaming.

4. Decision Framework

Key Questions:

  1. What is your budget? The Nord 3 will likely be more expensive.
  2. What are your primary smartphone usage patterns? Demanding tasks benefit from the Nord 3's performance.
  3. How important is display quality to you? The Nord 3's AMOLED display is a significant advantage.

Scenario-Based Recommendations:

  • Heavy gamer/power user: OnePlus Nord 3
  • Budget-conscious user with basic needs: Realme 12x
  • Content creator/photographer/videographer: OnePlus Nord 3

My Choice: OnePlus Nord 3

The OnePlus Nord 3 offers a significant upgrade in display, performance, and camera capabilities compared to the Realme 12x. While the Realme 12x might have a slight price advantage, the Nord 3's superior overall user experience justifies the likely higher cost for me. The vastly improved display, significantly faster processor and GPU, more RAM, and superior video recording capabilities are all crucial factors in my decision. The Dimensity 9000's efficiency likely offsets the AMOLED's power draw resulting in comparable battery life. While I acknowledge the subjective nature of fingerprint sensor placement, I find under-display solutions more elegant. For my usage, which includes gaming, media consumption, and multitasking, the OnePlus Nord 3 is the clear winner.

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
  • Digital media communication
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Bridging technical complexity with engaging, accessible narratives.