Motorola Razr 40 Ultra vs Xiaomi Redmi Note 13 4G - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date June 5, 2023 January 15, 2024
Release Year 2023 2024

Physical

Volume 88.47 cm³ 98.16 cm³
Screen Size to Weight Ratio 3.74 "/g 3.54 "/g
Weight 184.5 g 188.5 g
Height 170.8 mm 162.3 mm
Width 74 mm 75.6 mm
Thickness 7 mm 8 mm
Foldable Design Yes No
Available Colors
  • Glacier Blue
  • Viva Magenta
  • Infinite Black
  • Peach Fuzz
  • Midnight Black
  • Ice Blue
  • Mint Green
  • Ocean Sunset

Display

Screen Size 6.9 " 6.67 "
Resolution 1080 x 2640 1080 x 2400
Aspect Ratio 22:9 20:9
Screen-to-Body Ratio 85.2 % 87.5 %
Pixel Density 413 PPI 395 PPI
Refresh Rate 165 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 1400 nits 1800 nits

Hardware

Battery Capacity per Screen Area 79.82 mAh/in² 112.39 mAh/in²
Battery Density 42.95 mAh/cm³ 50.94 mAh/cm³
Battery Capacity 3800 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) Qualcomm SM6225 Snapdragon 685 (6 nm)
CPU Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
GPU Adreno 730 Adreno 610

Connectivity

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

Software

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

Comparison Summary

1. Specifications Comparison

FeatureMotorola Razr 40 UltraXiaomi Redmi Note 13 4GPractical Impact
Design
Form FactorFoldableStandardRazr offers portability and novelty; Redmi offers a traditional form factor.
Dimensions (mm)170.8 x 74 x 7162.3 x 75.6 x 8Razr is significantly thinner when folded but taller when unfolded. Redmi is wider and slightly thicker overall.
Weight (g)184.5188.5Negligible weight difference in practical use.
Display
Display TypeFoldable LTPO AMOLEDAMOLEDRazr's foldable display allows for a larger screen in a smaller device; Redmi offers a standard, non-folding AMOLED.
Size (inches)6.96.67Razr provides a larger main display area when unfolded.
Resolution1080 x 26401080 x 2400Similar sharpness; Razr is slightly taller due to aspect ratio.
Refresh Rate (Hz)165120Razr offers smoother scrolling and animations; noticeable in fast-paced games and UI interactions.
Peak Brightness (nits)14001800Redmi's display will be more visible in direct sunlight.
Performance
ChipsetSnapdragon 8+ Gen 1Snapdragon 685Razr boasts significantly faster CPU and GPU performance, leading to smoother multitasking, faster app loading, and better gaming capabilities.
CPUOcta-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)Razr's CPU architecture is more modern and powerful.
RAM (GB)8/126/8More RAM in higher-end Razr configurations enables better multitasking; base models are comparable.
Camera
Main Camera (MP)12108Redmi has a higher megapixel count, potentially capturing more detail; image quality depends on sensor size and processing, which is not fully detailed here.
Selfie Camera (MP)3216Razr offers a higher resolution selfie camera.
Video RecordingUp to 4K@60fps with HDR, EIS1080p@30fpsRazr supports higher resolution and frame rate video recording with better stabilization and dynamic range (HDR).
Battery
Capacity (mAh)38005000Redmi offers significantly longer battery life. Foldable phones often have smaller batteries due to space constraints.

2. Key Differences Analysis

Motorola Razr 40 Ultra Advantages:

  • Form Factor: Foldable design for portability and a larger screen when needed.
  • Performance: Significantly more powerful processor for smoother performance across all tasks.
  • High Refresh Rate Display: Smoother visuals for gaming and everyday use.
  • Superior Video Recording: Higher resolution and frame rate with HDR and EIS.

Xiaomi Redmi Note 13 4G Advantages:

  • Battery Life: Larger battery capacity for significantly longer usage time.
  • Price: Likely more affordable based on general market trends for foldable vs. standard smartphones.
  • Brighter Display: Better visibility in direct sunlight.

Trade-offs:

  • Razr sacrifices battery life for its foldable design and powerful performance.
  • Redmi compromises on performance and advanced features for affordability and longer battery life.

3. User Profiles & Recommendations

Motorola Razr 40 Ultra: Ideal for users who prioritize portability, a large screen when needed, top-tier performance, and cutting-edge technology. Best suited for power users, content creators, and those who value a unique form factor.

Xiaomi Redmi Note 13 4G: Best for budget-conscious users who prioritize battery life and reliability for everyday tasks like browsing, social media, and communication. Suitable for students, casual users, and those seeking a long-lasting phone.

4. Decision Framework

Key Questions for Buyers:

  1. How important is portability and the novelty of a foldable phone?
  2. What is your budget?
  3. What are your primary smartphone usage patterns (gaming, content creation, communication)?

Scenario-Based Recommendations:

  • Heavy User with a Flexible Budget: Razr 40 Ultra
  • Budget-Conscious User with Basic Needs: Redmi Note 13 4G
  • User Seeking a Balance of Performance and Battery Life: Consider other options, as neither phone perfectly balances these two aspects.

My Choice: Motorola Razr 40 Ultra

While the Redmi Note 13 4G offers excellent battery life and value, the Motorola Razr 40 Ultra's superior performance, innovative foldable design, and high refresh rate display are more compelling to me. I prioritize a smooth and responsive user experience, and the Razr 40 Ultra delivers that in spades. I am willing to compromise on battery life (and carry a portable charger if needed) to have a device that is both powerful and pocketable. The unique form factor also appeals to me. While price is a factor, the overall experience offered by the Razr 40 Ultra aligns better with my needs and preferences.

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.