Samsung Galaxy S23+ vs Asus Zenfone 11 Ultra - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date February 17, 2023 April 14, 2024
Release Year 2023 2024

Physical

Volume 91.39 cm³ 111.96 cm³
Screen Size to Weight Ratio 3.37 "/g 3.03 "/g
Weight 196 g 224 g
Height 157.8 mm 163.8 mm
Width 76.2 mm 76.8 mm
Thickness 7.6 mm 8.9 mm
Foldable Design No No
Available Colors
  • Green
  • Graphite
  • Phantom Black
  • Lavender
  • Cream
  • Lime
  • Eternal Black
  • Skyline Blue
  • Misty Gray
  • Desert Sand

Display

Screen Size 6.6 " 6.78 "
Resolution 1080 x 2340 1080 x 2400
Aspect Ratio 19.5:9 20:9
Screen-to-Body Ratio 88.9 % 88.2 %
Pixel Density 393 PPI 388 PPI
Refresh Rate 120 Hz 144 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 107.90 mAh/in² 119.65 mAh/in²
Battery Density 51.43 mAh/cm³ 49.12 mAh/cm³
Battery Capacity 4700 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
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.2, OTG USB Type-C

Software

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

Comparison Summary

1. Specifications Comparison

FeatureSamsung Galaxy S23+Asus Zenfone 11 UltraPractical Impact
Design
Dimensions (mm)157.8 x 76.2 x 7.6163.8 x 76.8 x 8.9Zenfone 11 Ultra is larger and thicker. May be less comfortable for one-handed use.
Weight (g)196224S23+ is noticeably lighter, reducing hand fatigue during extended use.
Display
Size (inches)6.66.78Zenfone 11 Ultra offers a slightly larger screen for more immersive content consumption.
Resolution1080 x 23401080 x 2400Negligible difference in sharpness due to similar pixel density.
Refresh Rate (Hz)120144Zenfone 11 Ultra'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 Zenfone, potentially saving battery.
Peak Brightness (nits)17502500Zenfone 11 Ultra is significantly brighter, improving outdoor visibility.
Performance
ChipsetSnapdragon 8 Gen 2Snapdragon 8 Gen 3Gen 3 offers a performance boost over Gen 2, resulting in faster app loading, smoother multitasking, and better gaming performance.
CPUOcta-core (up to 3.36 GHz)Octa-core (up to 3.3 GHz)While similar clock speeds, architectural improvements in the Gen 3 should provide better performance on the Zenfone.
GPUAdreno 740Adreno 750Zenfone 11 Ultra's Adreno 750 delivers improved graphics performance for demanding games and applications.
RAM (GB)812/16Zenfone 11 Ultra offers significantly more RAM, enabling better multitasking and preventing apps from closing in the background.
Camera
Main Camera (MP)5050Both have high-resolution main sensors, but image quality depends on processing and other factors.
Telephoto (MP)1032Zenfone 11 Ultra has a much higher resolution telephoto lens, enabling superior zoom capabilities.
Ultrawide (MP)12.213Minor difference in ultrawide resolution.
VideoUp to 8K@30fpsUp to 8K@24fpsS23+ offers slightly higher frame rate at 8K, though both offer excellent video recording capabilities.
Battery
Capacity (mAh)47005500Zenfone 11 Ultra boasts a significantly larger battery, potentially lasting much longer on a single charge.
Fast Charging (W)4565Zenfone 11 Ultra supports faster charging, reducing downtime.

2. Key Differences Analysis

Samsung Galaxy S23+ Advantages:

  • More Compact and Lighter: Easier to handle and carry.
  • Slightly Higher Frame Rate 8K Video: Smoother high-resolution video recording.
  • Potentially Better Software Support: Samsung typically provides longer software updates.

Asus Zenfone 11 Ultra Advantages:

  • More Powerful Performance: Faster processor, GPU, and more RAM.
  • Larger and Brighter Display: More immersive media consumption and better outdoor visibility.
  • Significantly Larger Battery: Longer battery life.
  • Faster Charging: Reduced charging time.
  • Higher Resolution Telephoto Lens: Superior zoom capabilities.
  • Higher Refresh Rate Display: Smoother scrolling and animations.

3. User Profiles & Recommendations

Samsung Galaxy S23+: Users who prioritize a compact and lightweight phone with a great overall experience and longer software support. Suitable for everyday use, social media, and casual gaming.

Asus Zenfone 11 Ultra: Users who demand top-tier performance, a large and bright display, long battery life, and excellent camera capabilities, especially zoom. Suitable for power users, gamers, and photography enthusiasts.

4. Decision Framework

Key Questions:

  1. What is your budget? Both are in the mid-range, but specific pricing should be compared.
  2. What is your priority? Performance, battery life, portability, camera?
  3. How important is software support? Samsung generally provides longer updates.

My Choice: Asus Zenfone 11 Ultra

While the S23+ is a great all-around phone, the Zenfone 11 Ultra offers significant advantages in key areas that are important to me: the noticeably more powerful performance (thanks to the newer Snapdragon chip and increased RAM), the larger battery with faster charging, and the superior zoom capabilities. The brighter display and higher refresh rate further enhance the user experience. I'm willing to compromise on the slightly larger size and weight for these benefits. The potentially shorter software update cycle is a concern, but the performance and feature gains outweigh that for my personal 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.

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Bridging technical complexity with engaging, accessible narratives.