Motorola Razr 40 Ultra vs Asus ROG Phone 8 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date June 5, 2023 January 18, 2024
Release Year 2023 2024

Physical

Volume 88.47 cm³ 111.96 cm³
Screen Size to Weight Ratio 3.74 "/g 3.01 "/g
Weight 184.5 g 225 g
Height 170.8 mm 163.8 mm
Width 74 mm 76.8 mm
Thickness 7 mm 8.9 mm
Foldable Design Yes No
Available Colors
  • Glacier Blue
  • Viva Magenta
  • Infinite Black
  • Peach Fuzz
  • Phantom Black
  • Rebel Grey

Display

Screen Size 6.9 " 6.78 "
Resolution 1080 x 2640 1080 x 2400
Aspect Ratio 22:9 20:9
Screen-to-Body Ratio 85.2 % 88.2 %
Pixel Density 413 PPI 388 PPI
Refresh Rate 165 Hz 165 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 1600 nits
Peak Brightness 1400 nits 2500 nits

Hardware

Battery Capacity per Screen Area 79.82 mAh/in² 119.65 mAh/in²
Battery Density 42.95 mAh/cm³ 49.12 mAh/cm³
Battery Capacity 3800 mAh 5500 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
CPU Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 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 730 Adreno 750

Connectivity

USB Version 2.0 N/A
OTG Support 1
DisplayPort 1
DisplayPort Version N/A 1.4
USB Features USB Type-C 2.0 USB Type-C, OTG, DisplayPort 1.4, Bottom Port

Software

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

Comparison Summary

1. Specifications Comparison

FeatureMotorola Razr 40 UltraAsus ROG Phone 8Practical Impact
Design
Dimensions (mm)170.8 x 74 x 7163.8 x 76.8 x 8.9Razr 40 Ultra significantly thinner and more pocketable due to foldable design; ROG Phone 8 larger and heavier.
Weight (g)184.5225Razr 40 Ultra noticeably lighter, enhancing portability; ROG Phone 8's weight reflects its robust build and larger battery.
FoldableYesNoRazr 40 Ultra offers compact portability when folded; ROG Phone 8 is a traditional slab design.
Display
Size (inches)6.96.78Negligible size difference in practical usage.
Resolution1080 x 26401080 x 2400Razr 40 Ultra's taller aspect ratio provides more vertical screen real estate; ROG Phone 8's wider aspect ratio might be better for gaming/media.
Refresh Rate (Hz)165165Both offer smooth scrolling and fluid animations.
Peak Brightness (nits)14002500ROG Phone 8's significantly higher peak brightness ensures excellent outdoor visibility; Razr 40 Ultra's brightness may be insufficient in direct sunlight.
Performance
ChipsetSnapdragon 8+ Gen 1Snapdragon 8 Gen 3ROG Phone 8 boasts a newer, more powerful chipset, resulting in significantly improved performance in demanding tasks and gaming.
CPUOcta-core (up to 3.19 GHz)Octa-core (up to 3.3 GHz)ROG Phone 8's faster CPU delivers a noticeable performance advantage in multitasking and demanding applications.
GPUAdreno 730Adreno 750ROG Phone 8's upgraded GPU provides a significant boost in gaming performance and graphics-intensive tasks.
RAM (GB)8 (reviewed model)12/16ROG Phone 8 offers more RAM, enabling smoother multitasking and better handling of demanding applications.
Camera
Main Camera (MP)1250ROG Phone 8's higher resolution main camera likely captures more detail; practical image quality depends on sensor and processing.
Ultrawide (MP)1313Comparable ultrawide capabilities.
Video RecordingUp to 4K@60fpsUp to 8K@24fpsROG Phone 8 supports higher resolution video recording.
Battery
Capacity (mAh)38005500ROG Phone 8's substantially larger battery capacity translates to significantly longer battery life.

2. Key Differences Analysis

Motorola Razr 40 Ultra Advantages:

  • Portability: The foldable design provides unmatched portability.
  • Unique Form Factor: The flip phone nostalgia and external display offer a distinctive user experience.

Asus ROG Phone 8 Advantages:

  • Superior Performance: The newer generation chipset and more RAM provide a significant performance advantage.
  • Enhanced Display: Brighter display with better outdoor visibility.
  • Longer Battery Life: Significantly larger battery capacity for extended usage.
  • Gaming Focused Features: While not explicitly listed, ROG Phones typically include gaming-specific features like advanced cooling and shoulder triggers.

3. User Profiles & Recommendations

Motorola Razr 40 Ultra: Ideal for users who prioritize portability and style above all else. Best for users who value a compact phone for easy carrying and quick interactions on the external display.

Asus ROG Phone 8: Suited for power users and mobile gamers who demand top-tier performance. Excellent for users who consume a lot of media, multitask heavily, and require long battery life.

4. Decision Framework

Key Questions for Buyers:

  1. Portability vs. Performance: Is ultimate portability more important than raw processing power and battery life?
  2. Style vs. Functionality: Do you prioritize a unique, stylish design over a more traditional smartphone experience?
  3. Budget and Usage: How important is price, and what are your primary smartphone use cases (e.g., gaming, social media, productivity)?

Scenario-Based Recommendations:

  • Frequent Traveler: Razr 40 Ultra for its compact size.
  • Mobile Gamer: ROG Phone 8 for its superior performance and features.
  • Average User: ROG Phone 8 for its all-around better specifications and longer battery life. The Razr 40 Ultra would be a good choice only if pocketability trumps all other factors.

My Choice: Asus ROG Phone 8

While the Razr 40 Ultra's foldable design is intriguing, the ROG Phone 8's superior performance, battery life, and brighter display are more compelling for my needs. I value a smooth user experience and long battery life, making the ROG Phone 8 the more practical choice. The significantly more powerful processor and GPU future-proofs the device better. Although I appreciate the Razr's innovative design, the trade-offs in performance and battery life are too significant for me.

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.