Xiaomi 13 Ultra vs Motorola Razr 40 - Detailed Phone Comparison

Detailed Comparison

Specification
Motorola Razr 40
Motorola Razr 40
Motorola

General

Launch Date April 21, 2023 June 21, 2023
Release Year 2023 2023

Physical

Volume 110.79 cm³ 93.53 cm³
Screen Size to Weight Ratio 2.96 "/g 3.66 "/g
Weight 227 g 188.6 g
Height 163.2 mm 170.8 mm
Width 74.6 mm 74 mm
Thickness 9.1 mm 7.4 mm
Foldable Design No Yes
Available Colors
  • Black
  • Yellow
  • Blue
  • White
  • Orange
  • Olive Green
  • Sage Green
  • Vanilla Cream
  • Summer Lilac
  • Grape Compote
  • Cherry Blossom

Display

Screen Size 6.73 " 6.9 "
Resolution 1440 x 3200 1080 x 2640
Aspect Ratio 20:9 22:9
Screen-to-Body Ratio 89.8 % 85.2 %
Pixel Density 522 PPI 413 PPI
Refresh Rate 120 Hz 144 Hz
Typical Brightness N/A N/A
HBM Brightness 1300 nits N/A
Peak Brightness 2600 nits 1400 nits

Hardware

Battery Capacity per Screen Area 110.39 mAh/in² 88.22 mAh/in²
Battery Density 45.13 mAh/cm³ 44.91 mAh/cm³
Battery Capacity 5000 mAh 4200 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510) Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Adreno 740 Adreno 644

Connectivity

USB Version 3.2 2.0
OTG Support 1
DisplayPort 1
DisplayPort Version N/A N/A
USB Features USB Type-C 3.2, OTG, DisplayPort USB Type-C 2.0

Software

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

Comparison Summary

1. Specifications Comparison

FeatureXiaomi 13 UltraMotorola Razr 40Practical Impact
Design
Dimensions (mm)163.2 x 74.6 x 9.1170.8 x 74 x 7.4Razr 40 is significantly thinner when folded, making it more pocketable, but taller when unfolded.
Weight (g)227188.6Razr 40 is noticeably lighter, reducing hand fatigue during extended use.
FoldableNoYesRazr 40's foldable design offers a compact form factor when closed and a large screen when open.
Build MaterialMissingMissingBuild quality and durability cannot be compared without this information.
Display
Display Size (inches)6.736.9Razr 40 offers a slightly larger display area.
Resolution1440 x 32001080 x 2640Xiaomi 13 Ultra has a significantly sharper display with higher pixel density (522 ppi vs 413 ppi), resulting in crisper text and images.
Display TypeLTPO AMOLEDFoldable LTPO AMOLEDBoth are AMOLED with excellent color reproduction and deep blacks. LTPO allows for dynamic refresh rate adjustment, saving battery. Razr 40's foldable display introduces a crease but enables unique form factor.
Refresh Rate (Hz)120144Razr 40's higher refresh rate provides smoother animations and scrolling, particularly noticeable in games and fast-paced content.
Peak Brightness (nits)26001400Xiaomi 13 Ultra gets much brighter, ensuring better visibility outdoors and in direct sunlight.
Performance
ChipsetSnapdragon 8 Gen 2Snapdragon 7 Gen 1Xiaomi 13 Ultra boasts a flagship processor, offering significantly better performance in demanding tasks like gaming and multitasking.
CPUOcta-core (up to 3.2 GHz)Octa-core (up to 2.4 GHz)Xiaomi 13 Ultra's CPU has higher clock speeds, translating to faster processing.
RAM12GB8GBXiaomi 13 Ultra has more RAM, enabling smoother multitasking and better performance with memory-intensive applications.
Camera
Main Camera (MP)5064Megapixel count doesn't tell the whole story; image quality depends on sensor size, aperture, and processing. Xiaomi uses a larger 1-inch sensor.
Camera FeaturesLeica lens, Variable ApertureOIS, Ultra Stable VideoBoth have advanced features; Xiaomi emphasizes professional-grade optics with Leica collaboration, while Razr 40 focuses on stabilization. More detailed sensor specifications are needed for in-depth comparison.
Battery
Capacity (mAh)50004200Xiaomi 13 Ultra has a larger battery, potentially offering longer battery life. However, real-world usage depends on factors like display brightness and processor efficiency.
Charging SpeedMissingMissingCharging speed comparison is not possible without specific data.

2. Key Differences Analysis

Xiaomi 13 Ultra Advantages:

  • Flagship Performance: Significantly more powerful processor and more RAM for demanding tasks.
  • Superior Display: Sharper, brighter, and potentially more color accurate.
  • Larger Battery: Potentially longer battery life.
  • Advanced Camera System: Leica collaboration, larger main sensor suggests higher image quality potential.

Motorola Razr 40 Advantages:

  • Foldable Design: Unique form factor, compact when folded.
  • Lighter and Thinner: Easier to carry and hold.
  • Higher Refresh Rate: Smoother animations and scrolling.
  • Lower Price: Offers a more accessible price point.

3. User Profiles & Recommendations

Xiaomi 13 Ultra: Ideal for users who prioritize performance, camera quality, and a bright, sharp display. Best for:

  • Power Users: Demanding tasks, gaming, content creation.
  • Photography Enthusiasts: Capturing high-quality photos and videos.

Motorola Razr 40: Ideal for users who value portability, a unique design, and a smooth display. Best for:

  • Style-Conscious Users: Prioritizing a compact and fashionable device.
  • Casual Users: Everyday tasks, social media, web browsing.

4. Decision Framework

Key Questions:

  1. What is your budget? The Xiaomi 13 Ultra is a high-end flagship, while the Razr 40 is more mid-range.
  2. What are your performance needs? Do you need top-tier processing power for demanding tasks, or is a mid-range chip sufficient?
  3. How important is portability? The Razr 40's foldable design offers significant portability advantages.

My Choice: Xiaomi 13 Ultra

While the Razr 40's foldable design is appealing, the Xiaomi 13 Ultra's superior performance, camera system, and display are more important to me. I prioritize a smooth and responsive experience for demanding tasks and high-quality photos and videos. The larger battery is also a plus. I'm willing to pay the premium for the flagship features and accept the slightly larger size and weight. The lack of detailed camera sensor information on the Razr 40 makes a comprehensive camera comparison difficult, but the available data suggests the Xiaomi 13 Ultra has a strong advantage in this area.

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
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Bridging technical complexity with engaging, accessible narratives.