Samsung Galaxy S23 Ultra vs Realme 12 Pro - Detailed Phone Comparison

Detailed Comparison

Specification
Realme 12 Pro
Realme 12 Pro
Realme

General

Launch Date February 17, 2023 January 29, 2024
Release Year 2023 2024

Physical

Volume 113.58 cm³ 105.17 cm³
Screen Size to Weight Ratio 2.91 "/g 3.53 "/g
Weight 234 g 190 g
Height 163.4 mm 161.5 mm
Width 78.1 mm 74 mm
Thickness 8.9 mm 8.8 mm
Foldable Design No No
Available Colors
  • Red
  • Green
  • Graphite
  • Phantom Black
  • Lavender
  • Cream
  • Sky Blue
  • Lime
  • BMW M Edition
  • Submarine Blue
  • Navigator Beige

Display

Screen Size 6.8 " 6.7 "
Resolution 1440 x 3088 1080 x 2412
Aspect Ratio 19.5:9 20:9
Screen-to-Body Ratio 89.5 % 90.4 %
Pixel Density 500 PPI 394 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness 1200 nits 800 nits
Peak Brightness 1750 nits 950 nits

Hardware

Battery Capacity per Screen Area 108.13 mAh/in² 111.38 mAh/in²
Battery Density 44.02 mAh/cm³ 47.54 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) Qualcomm SM6450 Snapdragon 6 Gen 1 (4 nm)
CPU Octa-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510) Octa-core (4x2.2 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
GPU Adreno 740 Adreno 710

Connectivity

USB Version 3.2 2.0
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.2, OTG USB Type-C 2.0

Software

Operating System Android Android
Initial OS Version 13 14
Maximum OS Version 17

Comparison Summary

1. Specifications Comparison

FeatureSamsung Galaxy S23 UltraRealme 12 ProPractical Impact
Design
Dimensions (mm)163.4 x 78.1 x 8.9161.5 x 74 x 8.8S23 Ultra slightly taller and wider, negligible depth difference.
Weight (g)234190S23 Ultra noticeably heavier; Realme 12 Pro more comfortable for extended use.
BuildMissingMissingBuild quality and materials unknown, impacting durability and premium feel.
Display
Display Size (inches)6.86.7S23 Ultra marginally larger; both offer immersive experiences.
Resolution1440 x 30881080 x 2412S23 Ultra significantly sharper (500 ppi vs 394 ppi), crisper text and images.
Display TypeDynamic AMOLED 2XAMOLEDS23 Ultra likely offers better color accuracy, contrast, and outdoor visibility due to Dynamic AMOLED 2X technology.
Refresh Rate (Hz)120120Both offer smooth scrolling and animations.
Peak Brightness (nits)1750950S23 Ultra significantly brighter, crucial for outdoor readability.
Performance
ChipsetSnapdragon 8 Gen 2Snapdragon 6 Gen 1S23 Ultra vastly more powerful, enabling smoother multitasking, demanding gaming, and faster app loading.
CPUOcta-core (1x3.36 GHz Cortex-X3 & ...)Octa-core (4x2.2 GHz Cortex-A78 & ...)S23 Ultra's flagship CPU offers superior performance compared to the mid-range CPU in the Realme 12 Pro.
GPUAdreno 740Adreno 710S23 Ultra's GPU significantly more powerful for gaming and graphics-intensive tasks.
RAM8/12GB8/12GBBoth offer ample RAM for multitasking, but performance difference lies in the processor and other optimizations.
Camera
Main Camera (MP)20050S23 Ultra boasts significantly higher resolution, potentially capturing more detail. Practical differences depend on image processing.
TelephotoYes (10x optical)Yes (2x optical)S23 Ultra offers significantly greater optical zoom capabilities.
Video RecordingUp to 8K@30fpsUp to 4K@30fpsS23 Ultra capable of higher resolution video recording.
Battery
Capacity (mAh)50005000Same capacity, actual battery life depends on software optimization and usage.
Fast Charging (W)4567Realme 12 Pro charges faster despite the same battery capacity.

2. Key Differences Analysis

Samsung Galaxy S23 Ultra Advantages:

  • Significantly superior performance: Snapdragon 8 Gen 2 provides a flagship experience.
  • Sharper and brighter display: Higher resolution and peak brightness enhance visual quality.
  • More versatile camera system: Higher resolution main sensor, 10x optical zoom.
  • More premium display technology: Dynamic AMOLED 2X offers better color accuracy, contrast and power efficiency.

Realme 12 Pro Advantages:

  • Lighter and potentially more comfortable to hold.
  • Faster charging speed.
  • Lower price point.

Trade-offs:

  • Realme 12 Pro: Compromises on performance, display quality, and camera capabilities for a lower price and faster charging.
  • Samsung Galaxy S23 Ultra: Higher price for premium features and heavier weight.

3. User Profiles & Recommendations

Samsung Galaxy S23 Ultra: Ideal for power users, gamers, photography enthusiasts, and those prioritizing a premium display and overall experience. Excellent for demanding tasks, content creation, and media consumption.

Realme 12 Pro: Suitable for budget-conscious users who prioritize fast charging and a lightweight design. Best for everyday tasks like social media, web browsing, and casual photography.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The S23 Ultra is significantly more expensive.
  2. What are your performance needs? For demanding tasks and gaming, the S23 Ultra is essential.
  3. How important are camera quality and features? The S23 Ultra offers a far superior camera system.

Scenario-Based Recommendations:

  • Heavy user, gamer, photographer: Samsung Galaxy S23 Ultra.
  • Budget-conscious, casual user: Realme 12 Pro.

My Choice: Samsung Galaxy S23 Ultra

While the Realme 12 Pro offers faster charging and a lighter design at a lower price, the Samsung Galaxy S23 Ultra is the clear winner for me. The vastly superior performance, stunning display, and versatile camera system are crucial for my needs. I prioritize a smooth and powerful user experience, high-quality visuals for media consumption, and advanced photography capabilities. The weight difference is acceptable considering the substantial gains in other areas. The S23 Ultra's longevity due to its powerful processor and long software support also justifies the higher price. I am willing to compromise on charging speed for the overall superior experience offered by the S23 Ultra.

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.

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Bridging technical complexity with engaging, accessible narratives.