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

Detailed Comparison

Specification
Realme 12x
Realme 12x
Realme

General

Launch Date February 17, 2023 April 7, 2024
Release Year 2023 2024

Physical

Volume 113.58 cm³ 99.56 cm³
Screen Size to Weight Ratio 2.91 "/g 3.51 "/g
Weight 234 g 190 g
Height 163.4 mm 165.6 mm
Width 78.1 mm 76.1 mm
Thickness 8.9 mm 7.9 mm
Foldable Design No No
Available Colors
  • Red
  • Green
  • Graphite
  • Phantom Black
  • Lavender
  • Cream
  • Sky Blue
  • Lime
  • BMW M Edition
  • Glowing Black
  • Feather Green

Display

Screen Size 6.8 " 6.67 "
Resolution 1440 x 3088 720 x 1604
Aspect Ratio 19.5:9 20:9
Screen-to-Body Ratio 89.5 % 85.1 %
Pixel Density 500 PPI 264 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness 1200 nits 625 nits
Peak Brightness 1750 nits N/A

Hardware

Battery Capacity per Screen Area 108.13 mAh/in² 112.39 mAh/in²
Battery Density 44.02 mAh/cm³ 50.22 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) Mediatek Dimensity 6100+ (6 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 (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 740 Mali-G57 MC2

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 12xPractical Impact
Design
Dimensions (mm)163.4 x 78.1 x 8.9165.6 x 76.1 x 7.9S23 Ultra slightly smaller, but both large phones
Weight (g)234190Realme 12x noticeably lighter, reducing hand fatigue
Build MaterialsInformation not providedInformation not providedBuild quality and durability cannot be compared
Display
Display Size (inches)6.86.67Virtually identical screen real estate
Resolution1440 x 3088720 x 1604S23 Ultra significantly sharper, crisper visuals, better for detail-oriented tasks
Display TypeDynamic AMOLED 2XIPS LCDS23 Ultra offers vibrant colors, deeper blacks, and better outdoor visibility
Refresh Rate (Hz)120120Both offer smooth scrolling and animations
Peak Brightness (nits)1750Information not provided for peak, typical is 500 nitsS23 Ultra likely brighter, improving outdoor readability, HDR content will look far superior on the S23 Ultra
Performance
ChipsetSnapdragon 8 Gen 2Dimensity 6100+S23 Ultra significantly more powerful, enabling smoother multitasking, demanding gaming, faster app loading
CPUOcta-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)S23 Ultra's superior CPU architecture provides significant performance advantage
GPUAdreno 740Mali-G57 MC2S23 Ultra provides a far better gaming and graphics-intensive application experience
RAM8GB/12GB8GB/12GBRAM parity, but performance difference due to chipset
Camera
Main Camera (MP)20050S23 Ultra boasts higher resolution, potentially capturing more detail
Ultrawide (MP)12Not specifiedUltrawide capabilities not directly comparable, unsure if Realme 12x even has an ultrawide
Telephoto (MP)10 + 10Not specifiedS23 Ultra offers superior zoom capabilities
Video RecordingUp to 8K@30fpsUp to 1080p@30fpsS23 Ultra capable of significantly higher resolution video recording
Battery
Capacity (mAh)50005000Same capacity, but real-world battery life will differ due to chipset efficiency
Fast Charging (W)4515S23 Ultra charges much faster

2. Key Differences Analysis

Samsung Galaxy S23 Ultra Advantages:

  • Superior Performance: Significantly more powerful processor and GPU for demanding tasks and gaming.
  • Higher Quality Display: Brighter, sharper AMOLED display with richer colors and deeper blacks.
  • Advanced Camera System: Higher resolution sensors, versatile lenses including telephoto, and 8K video recording.

Realme 12x Advantages:

  • Lighter Weight: Noticeably lighter, making it more comfortable for extended use.
  • Lower Price: Offers a more budget-friendly option.

Trade-offs: The S23 Ultra's premium features come at a significantly higher price. The Realme 12x sacrifices performance and camera quality for affordability and lighter weight.

3. User Profiles & Recommendations

Samsung Galaxy S23 Ultra: Ideal for power users, gamers, photography enthusiasts, and those who prioritize a premium display and overall experience.

Realme 12x: Suitable for budget-conscious users with basic needs like web browsing, social media, and casual photography, who value a lighter phone.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The S23 Ultra is a premium-priced device, while the Realme 12x is significantly more affordable.
  2. What are your primary smartphone uses? For demanding tasks, gaming, and high-quality photography, the S23 Ultra is superior. For basic use, the Realme 12x suffices.
  3. Do you prioritize display quality and performance, or affordability and lighter weight?

Scenario-Based Recommendations:

  • Limited Budget: Realme 12x
  • Power User: S23 Ultra
  • Photography Enthusiast: S23 Ultra
  • Casual User: Realme 12x

My Choice: Samsung Galaxy S23 Ultra

While the Realme 12x offers excellent value for its price, the Samsung Galaxy S23 Ultra aligns better with my needs and preferences. I prioritize a high-quality display for consuming media and a powerful processor for demanding tasks and occasional gaming. The superior camera system is also a significant factor, as I enjoy photography. While the price is higher, the overall experience and longevity of the S23 Ultra justify the investment for me. The significantly better display, chipset, camera system and faster charging outweigh the weight and price difference for my usage.

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
  • Technical storytelling
  • User-centric technology insights

Bridging technical complexity with engaging, accessible narratives.