Motorola Razr 40 Ultra vs Xiaomi Redmi 13 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date June 5, 2023 June 3, 2024
Release Year 2023 2024

Physical

Volume 88.47 cm³ 106.77 cm³
Screen Size to Weight Ratio 3.74 "/g 3.31 "/g
Weight 184.5 g 205 g
Height 170.8 mm 168.6 mm
Width 74 mm 76.3 mm
Thickness 7 mm 8.3 mm
Foldable Design Yes No
Available Colors
  • Glacier Blue
  • Viva Magenta
  • Infinite Black
  • Peach Fuzz
  • Midnight Black
  • Pink
  • Ocean Blue
  • Sandy Gold

Display

Screen Size 6.9 " 6.79 "
Resolution 1080 x 2640 1080 x 2460
Aspect Ratio 22:9 21:9
Screen-to-Body Ratio 85.2 % 85.1 %
Pixel Density 413 PPI 396 PPI
Refresh Rate 165 Hz 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 550 nits
Peak Brightness 1400 nits N/A

Hardware

Battery Capacity per Screen Area 79.82 mAh/in² 109.10 mAh/in²
Battery Density 42.95 mAh/cm³ 47.11 mAh/cm³
Battery Capacity 3800 mAh 5030 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) Mediatek Helio G91 Ultra (12 nm)
CPU Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Adreno 730 Mali-G52 MC2

Connectivity

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

Software

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

Comparison Summary

1. Specifications Comparison

FeatureMotorola Razr 40 UltraXiaomi Redmi 13Practical Impact
Design
Dimensions (mm)170.8 x 74 x 7168.6 x 76.3 x 8.3Razr 40 Ultra significantly thinner when folded, more pocketable; Redmi 13 larger overall.
Weight (g)184.5205Razr 40 Ultra noticeably lighter, more comfortable for extended use.
FoldableYesNoRazr 40 Ultra offers compact portability when folded, larger screen when unfolded. Redmi 13 is a traditional slab phone.
Display
Display TypeFoldable LTPO AMOLEDIPS LCDRazr 40 Ultra: deeper blacks, vibrant colors, power efficiency; Redmi 13: good color accuracy, less vibrant.
Size (inches)6.96.79Comparable screen real estate; Razr offers a more immersive experience due to the AMOLED technology and foldable design.
Resolution (px)1080 x 26401080 x 2460Similar sharpness; Razr 40 Ultra's taller aspect ratio better for scrolling.
Refresh Rate (Hz)16590Razr 40 Ultra: smoother animations, scrolling, and gaming; Redmi 13: still smooth, but less responsive.
Performance
ChipsetSnapdragon 8+ Gen 1MediaTek Helio G91 UltraRazr 40 Ultra: significantly faster CPU and GPU, better for demanding tasks and gaming; Redmi 13: sufficient for everyday use, but not for heavy gaming.
RAM (GB)8/126/8Razr 40 Ultra: better multitasking, smoother performance with more demanding apps; Redmi 13: can handle moderate multitasking.
OSAndroid 13Android 14Both offer modern Android features; Redmi 13 ships with a newer OS version out of the box. Long-term software updates are uncertain for both.
Camera
Main Camera (MP)12108Redmi 13 boasts higher resolution; image quality depends on sensor size, processing, which is not fully detailed.
Video CapabilitiesUp to 4K@60fps with HDR, EIS1080p@30fpsRazr 40 Ultra: superior video recording capabilities in resolution, frame rate, and stabilization.
Battery
Capacity (mAh)38005030Redmi 13 significantly larger battery capacity; real-world battery life depends on usage and optimization, which is not directly comparable from this data.

2. Key Differences Analysis

Motorola Razr 40 Ultra Advantages:

  • Premium Foldable Design: Compact portability and a larger screen when needed.
  • Superior Performance: Significantly faster processor for demanding tasks and gaming.
  • Higher-Quality Display: AMOLED technology with a faster refresh rate for a smoother, more vibrant visual experience.
  • Better Video Recording: Higher resolution and frame rate options with improved stabilization.

Xiaomi Redmi 13 Advantages:

  • Lower Price: Significantly more affordable.
  • Larger Battery Capacity: Potentially longer battery life.
  • Newer Android Version: Ships with Android 14 out of the box.

Trade-offs:

  • Razr 40 Ultra: Higher price, smaller battery capacity, potentially shorter battery life.
  • Redmi 13: Less powerful performance, lower quality display, less versatile camera.

3. User Profiles & Recommendations

Motorola Razr 40 Ultra: Users who value portability, a premium design, top-tier performance, and a great multimedia experience. Ideal for professionals, content creators, and those who want the latest technology.

Xiaomi Redmi 13: Budget-conscious users who prioritize battery life and basic smartphone functionality. Suitable for everyday tasks like browsing, social media, and communication. Good for users who are not heavy gamers or power users.

4. Decision Framework

Key Questions for Buyers:

  1. Budget: How much are you willing to spend?
  2. Priorities: What features are most important to you (e.g., portability, performance, battery life)?
  3. Use Cases: How will you primarily use your phone (e.g., gaming, content creation, basic communication)?

Scenario-Based Recommendations:

  • Limited Budget, Basic Needs: Redmi 13 offers excellent value.
  • Power User, Premium Experience: Razr 40 Ultra is the clear choice.
  • Portability and Style Focused: Razr 40 Ultra's foldable design is compelling.

My Choice: Motorola Razr 40 Ultra

While significantly more expensive, the Motorola Razr 40 Ultra aligns better with my personal preferences and perceived needs. The foldable design is innovative and solves the problem of wanting a large screen for media consumption while maintaining pocketability. The superior performance ensures a smooth and lag-free experience for demanding tasks and future-proofs the device. The AMOLED display offers a noticeably better visual experience compared to the Redmi 13's LCD. While the battery capacity is smaller, I prioritize performance and portability over potentially slightly longer battery life. The compromises on battery are acceptable considering the significant gains in other areas. The Redmi 13 is a solid budget option, but the Razr 40 Ultra offers a significant leap in user experience that justifies the higher price 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.