Samsung Galaxy S21 Ultra 5G vs Motorola Razr 40 Ultra - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 29, 2021 June 5, 2023
Release Year 2021 2023

Physical

Volume 111.09 cm³ 88.47 cm³
Screen Size to Weight Ratio 3 "/g 3.74 "/g
Weight 227 g 184.5 g
Height 165.1 mm 170.8 mm
Width 75.6 mm 74 mm
Thickness 8.9 mm 7 mm
Foldable Design No Yes
Available Colors
  • Phantom Black
  • Phantom Silver
  • Phantom Titanium
  • Phantom Navy
  • Phantom Brown
  • Navy
  • Glacier Blue
  • Viva Magenta
  • Infinite Black
  • Peach Fuzz

Display

Screen Size 6.8 " 6.9 "
Resolution 1440 x 3200 1080 x 2640
Aspect Ratio 20:9 22:9
Screen-to-Body Ratio 89.4 % 85.2 %
Pixel Density 515 PPI 413 PPI
Refresh Rate 120 Hz 165 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 1500 nits 1400 nits

Hardware

Battery Capacity per Screen Area 108.13 mAh/in² 79.82 mAh/in²
Battery Density 45.01 mAh/cm³ 42.95 mAh/cm³
Battery Capacity 5000 mAh 3800 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
GPU Mali-G78 MP14 - International Adreno 730

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 11 13
Maximum OS Version 15 16

Comparison Summary

1. Specifications Comparison

Design

FeatureSamsung Galaxy S21 Ultra 5GMotorola Razr 40 UltraPractical Impact
Form FactorStandardFoldableThe Razr 40 Ultra is a compact foldable, offering portability, while the S21 Ultra is a traditional slab phone.
Dimensions165.1 × 75.6 × 8.9 mm170.8 × 74 × 7 mm (unfolded)The Razr 40 Ultra is taller and thinner, making it more pocketable when folded. The S21 Ultra has a larger overall volume.
Weight227g184.5gThe Razr 40 Ultra is significantly lighter, making it more comfortable for one-handed use and prolonged holding.

Display

FeatureSamsung Galaxy S21 Ultra 5GMotorola Razr 40 UltraPractical Impact
Size6.8"6.9"The Razr 40 Ultra offers a slightly larger viewing area.
Resolution1440x32001080x2640The S21 Ultra provides significantly sharper visuals, making text and images appear clearer.
PPI515413The S21 Ultra has much higher pixel density, contributing to a noticeably crisper and more detailed screen.
TechnologyAMOLEDThe S21 Ultra's AMOLED display offers superior contrast, deeper blacks, and more vibrant colors compared to the unknown display technology of the Razr 40 Ultra.
Refresh Rate120Hz165HzThe Razr 40 Ultra has a higher refresh rate for smoother scrolling and animations, making the user experience more fluid.
Brightness1500 nits1400 nitsThe S21 Ultra has higher brightness, which helps with better visibility in bright outdoor conditions.

Performance

FeatureSamsung Galaxy S21 Ultra 5GMotorola Razr 40 UltraPractical Impact
ChipsetExynos 2100 (5 nm)Snapdragon 8+ Gen 1 (4 nm)The Razr 40 Ultra's newer chipset offers significantly better performance and efficiency.
AnTuTu Score749,0001,238,000The Razr 40 Ultra is considerably faster, resulting in smoother multitasking, faster app loading, and better gaming performance.
GPUMali-G78 MP14Adreno 730The Razr 40 Ultra's GPU provides better graphics performance, useful for gaming and other graphically intensive tasks.

Camera

FeatureSamsung Galaxy S21 Ultra 5GMotorola Razr 40 UltraPractical Impact
Main Camera108MP, f/1.8, 1/1.33"12MP, f/1.5The S21 Ultra captures much more detailed images with its higher resolution sensor. The Razr 40 Ultra's wider aperture might perform slightly better in low light.
Telephoto Camera10.8MP, f/2.4, 1/2.65"NoneThe S21 Ultra offers optical zoom capabilities for better image quality at a distance.
Selfie Camera44MP, f/2.232MP, f/2.45The S21 Ultra takes more detailed selfies with a slightly wider aperture for better low-light performance.
Wide Angle Camera12.2MP, f/2.2, 1/2.55"13MP, f/2.2The Razr 40 Ultra captures slightly more detail with a higher resolution sensor for ultrawide shots.
Video RecordingUp to 8K@24fpsUp to 4K@60fpsThe S21 Ultra offers higher resolution recording, useful for professional video creation. Both phones provide video stabilization.
DXOMark Mobile115 (Photo: 121, Video: 100)Not TestedThe S21 Ultra's camera system is highly rated, indicating good overall image and video quality.
DXOMark Selfie135 (Photo: 133, Video: 140)Not TestedThe S21 Ultra's selfie camera performs very well.
Camera FeaturesOptical zoom, Quad camera, 8K video,Time-lapse, Ultra stable video, Dual cameraThe S21 Ultra offers a versatile camera system with multiple lenses and advanced features like OIS, laser autofocus, and 8K recording. Razr 40 Ultra offers advanced time-lapse and ultra-stable video features

Battery

FeatureSamsung Galaxy S21 Ultra 5GMotorola Razr 40 UltraPractical Impact
Capacity5000mAh3800mAhThe S21 Ultra has a significantly larger battery, likely providing longer battery life.
Charging25W30WThe Razr 40 Ultra charges slightly faster.
Features15W Wireless Charging, 9W Reverse Wireless Charging8W Wireless ChargingThe S21 Ultra offers faster wireless charging and reverse wireless charging capabilities.

2. Key Differences Analysis

Samsung Galaxy S21 Ultra 5G Advantages:

  • Superior Display Quality: Higher resolution, pixel density, and AMOLED technology resulting in sharper, more vibrant visuals.
  • Versatile Camera System: Features a more comprehensive camera system with multiple lenses including optical zoom and 8K video recording.
  • Larger Battery: Significantly larger capacity likely translates to longer battery life, reducing the need for frequent charging.
  • Advanced Audio Features: Hi-Res audio and noise cancellation microphones for superior audio experience.

Motorola Razr 40 Ultra Advantages:

  • Foldable Design: Offers a more compact form factor when folded, enhancing portability and pocketability.
  • Higher Performance: The Snapdragon 8+ Gen 1 chipset provides much better performance compared to the older Exynos 2100, suitable for intensive tasks like gaming.
  • Higher Refresh Rate: 165Hz display refresh rate results in smoother scrolling and animations.
  • Faster Charging: Supports slightly faster wired charging compared to the S21 Ultra.
  • Newer Software: Comes with Android 13, while the S21 Ultra launched with Android 11, giving it an advantage in terms of features and security updates.
  • eSIM support: Offers digital sim card functionality.
  • Newer WiFi standard: Offers faster speeds and access to 6GHz band.
  • Newer Bluetooth: Has a newer bluetooth version, though the S21 Ultra supports more features.

Trade-offs:

  • S21 Ultra: Trades a more compact form for superior display quality, a more advanced camera system, and longer battery life. Older chipset.
  • Razr 40 Ultra: Trades display sharpness, camera versatility and battery capacity for a compact, foldable form, better performance, and faster charging.

3. User Profiles & Recommendations

Samsung Galaxy S21 Ultra 5G:

  • Ideal User:
    • Users who prioritize display quality, camera performance, and battery life.
    • Mobile photographers and videographers who need versatile zoom options and high-resolution video recording.
    • Professionals who need a reliable, high-performance device for daily productivity and media consumption.
    • Users who prefer a traditional form factor and don't need a foldable phone.
  • Specific Use Cases:
    • Professional photography and video creation.
    • Long hours of media consumption and gaming.
    • Demanding multitasking across multiple apps.
    • Work related tasks that may require high battery performance and a reliable camera.

Motorola Razr 40 Ultra:

  • Ideal User:
    • Users who value portability and a unique, stylish design.
    • Gamers and performance enthusiasts who prioritize raw speed and smooth animations.
    • Users who prefer a modern, innovative device and prioritize newer software and features.
    • Users who want a phone that is pocketable when folded.
  • Specific Use Cases:
    • Mobile gaming and other resource-intensive tasks.
    • Frequent travel and on-the-go use.
    • Users who appreciate innovative design and latest tech features.
    • Users who prefer the latest bluetooth and WiFi features.

Price-to-Value Ratio:

  • The S21 Ultra, being older, might be available at a lower price point, providing great value for those on a budget who still want a premium camera and display.
  • The Razr 40 Ultra, being newer and foldable, is likely more expensive, but offers cutting-edge features for those who value innovation and portability.

4. Decision Framework

Key Questions for Buyers:

  1. Do I prioritize portability and a unique foldable design or a traditional form factor with superior display and camera versatility?
  2. Is raw performance (for gaming, etc.) more important than battery life and camera capabilities?
  3. Do I prefer a more up to date software and features or do I prefer a better camera, battery and display?

Scenario-Based Recommendations:

  • Scenario 1: Photography Enthusiast:

    • Recommendation: Samsung Galaxy S21 Ultra 5G. The superior camera system with multiple lenses, high resolution images, 8K video recording capabilities, and higher DXOMark scores make it the better choice for photography.
  • Scenario 2: Performance-Focused User:

    • Recommendation: Motorola Razr 40 Ultra. The newer Snapdragon chipset and higher refresh rate display make it the best choice for resource-intensive applications and gaming.
  • Scenario 3: Portability and Innovation:

    • Recommendation: Motorola Razr 40 Ultra. Its compact foldable design and newer features make it a great choice for users who value portability and the latest technology.
  • Scenario 4: Balanced User:

    • Recommendation: Samsung Galaxy S21 Ultra 5G. If you don't need the foldable design, the S21 Ultra offers a balance of premium features like a great camera, display and battery life with a potentially lower price tag.

My Choice

If I were to choose, I would personally choose the Samsung Galaxy S21 Ultra 5G. While the Razr 40 Ultra is an impressive device with its foldable design and superior performance, my priorities lie with a superior display and camera. The S21 Ultra's AMOLED screen with its higher resolution and brightness, combined with its powerful camera system offering versatile zoom capabilities and 8K video recording, would suit my needs more effectively. I also value longer battery life which the S21 Ultra offers. While the Razr 40 Ultra is undoubtedly a cutting-edge device, the S21 Ultra offers the best balance of features for my use case. The higher performance of the Razr 40 Ultra is not as relevant to my everyday use as the display and camera.

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.