Samsung Galaxy S23 Ultra vs Asus ROG Phone 8 Pro - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date February 17, 2023 January 18, 2024
Release Year 2023 2024

Physical

Volume 113.58 cm³ 111.96 cm³
Screen Size to Weight Ratio 2.91 "/g 3.01 "/g
Weight 234 g 225 g
Height 163.4 mm 163.8 mm
Width 78.1 mm 76.8 mm
Thickness 8.9 mm 8.9 mm
Foldable Design No No
Available Colors
  • Red
  • Green
  • Graphite
  • Phantom Black
  • Lavender
  • Cream
  • Sky Blue
  • Lime
  • BMW M Edition
  • Phantom Black

Display

Screen Size 6.8 " 6.78 "
Resolution 1440 x 3088 1080 x 2400
Aspect Ratio 19.5:9 20:9
Screen-to-Body Ratio 89.5 % 88.2 %
Pixel Density 500 PPI 388 PPI
Refresh Rate 120 Hz 165 Hz
Typical Brightness N/A N/A
HBM Brightness 1200 nits 1600 nits
Peak Brightness 1750 nits 2500 nits

Hardware

Battery Capacity per Screen Area 108.13 mAh/in² 119.65 mAh/in²
Battery Density 44.02 mAh/cm³ 49.12 mAh/cm³
Battery Capacity 5000 mAh 5500 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) Qualcomm SM8650-AB Snapdragon 8 Gen 3 (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 (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
GPU Adreno 740 Adreno 750

Connectivity

USB Version 3.2 N/A
OTG Support 1 1
DisplayPort 1
DisplayPort Version N/A 1.4
USB Features USB Type-C 3.2, OTG USB Type-C, OTG, DisplayPort 1.4, Bottom Port

Software

Operating System Android Android
Initial OS Version 13 14
Maximum OS Version 17 16

Comparison Summary

1. Specifications Comparison

FeatureSamsung Galaxy S23 UltraAsus ROG Phone 8 ProPractical Impact
Design
Dimensions (mm)163.4 x 78.1 x 8.9163.8 x 76.8 x 8.9Virtually identical in size and thickness.
Weight (g)234225ROG Phone 8 Pro is slightly lighter, potentially more comfortable for extended use.
BuildMaterial specifications missing for both phones, limiting comparison.
Display
Size (inches)6.86.78Negligible size difference.
Resolution1440 x 30881080 x 2400S23 Ultra has a significantly sharper display (500 ppi vs 388 ppi), resulting in crisper text and images.
Refresh Rate (Hz)120165ROG Phone 8 Pro's higher refresh rate provides smoother animations and scrolling, especially beneficial for gaming.
Panel TypeDynamic AMOLED 2XLTPO AMOLEDBoth offer excellent color and contrast. LTPO allows for variable refresh rate on the ROG Phone 8 Pro, potentially saving battery.
Peak Brightness (nits)17502500ROG Phone 8 Pro offers significantly higher peak brightness, improving outdoor visibility.
Performance
ChipsetSnapdragon 8 Gen 2Snapdragon 8 Gen 3ROG Phone 8 Pro features a newer generation chipset, likely resulting in faster performance and better power efficiency.
CPUOcta-core (up to 3.36 GHz)Octa-core (up to 3.3 GHz)While clock speeds are similar, architectural differences in the Gen 3 CPU likely favor the ROG Phone 8 Pro.
GPUAdreno 740Adreno 750ROG Phone 8 Pro has a more powerful GPU, likely leading to improved gaming and graphics performance.
RAM (GB)8/1216/24ROG Phone 8 Pro offers significantly more RAM, enabling better multitasking and handling of demanding applications.
Camera
Main Camera (MP)20050S23 Ultra boasts a much higher resolution main sensor, potentially capturing more detail. However, sensor size and processing are crucial for image quality and cannot be fully compared without further details.
Ultrawide (MP)12.213Similar ultrawide capabilities. More detailed sensor specs are needed for a comprehensive comparison.
Telephoto (MP)12 (x3 & x10 optical zoom)32 (x3 Optical zoom)S23 Ultra offers dual telephoto lenses providing greater versatility in zoom range.
Battery
Capacity (mAh)50005500ROG Phone 8 Pro has a larger battery, potentially offering longer battery life.
Fast Charging (W)4565ROG Phone 8 Pro supports significantly faster charging.

2. Key Differences Analysis

Samsung Galaxy S23 Ultra Advantages:

  • Sharper Display: Significantly higher pixel density.
  • More Versatile Camera System: Dual telephoto lenses offer superior zoom capabilities. Stylus support for productivity.
  • More mature Software Experience: Samsung's OneUI offers a refined and feature-rich Android experience.

Asus ROG Phone 8 Pro Advantages:

  • Faster Performance: Newer generation chipset and GPU.
  • Higher Refresh Rate Display: Smoother visuals for gaming and everyday use.
  • Larger Battery and Faster Charging: Longer battery life and quicker charging times.
  • More RAM: Enhanced multitasking and demanding application handling.
  • Brighter Display: Better visibility outdoors.

3. User Profiles & Recommendations

Samsung Galaxy S23 Ultra: Users who prioritize a sharp display, excellent camera system with versatile zoom, stylus support, and a refined software experience. Ideal for photography enthusiasts, professionals, and power users.

Asus ROG Phone 8 Pro: Users who prioritize top-tier gaming performance, a smooth and responsive display, long battery life, and fast charging. Ideal for mobile gamers, power users, and those who value the latest hardware.

4. Decision Framework

Key Questions for Buyers:

  1. What is your primary use case? (Gaming, photography, productivity, general use)
  2. How important is display sharpness vs. refresh rate?
  3. What is your budget and how much do you value the latest hardware?

My Choice: Asus ROG Phone 8 Pro

While the S23 Ultra offers a compelling camera system and sharper display, the ROG Phone 8 Pro's superior performance, higher refresh rate, larger battery, faster charging, and greater RAM make it the more appealing device for me. I prioritize smooth performance, long battery life, and future-proofing, which the ROG Phone 8 Pro delivers. The newer Snapdragon 8 Gen 3, coupled with the Adreno 750 GPU and ample RAM, ensures a powerful and responsive experience for demanding tasks and gaming. While I appreciate the S23 Ultra's camera capabilities, the ROG Phone 8 Pro's camera system is still very capable for everyday use. Ultimately, the ROG Phone 8 Pro's focus on performance and longevity aligns better with my personal preferences and needs.

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.