Motorola Moto G51 5G vs Xiaomi 13 Ultra - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date December 16, 2021 April 21, 2023
Release Year 2021 2023

Physical

Volume 118.69 cm³ 110.79 cm³
Screen Size to Weight Ratio 3.27 "/g 2.96 "/g
Weight 208 g 227 g
Height 170.5 mm 163.2 mm
Width 76.5 mm 74.6 mm
Thickness 9.1 mm 9.1 mm
Foldable Design No No
Available Colors
  • Indigo Blue
  • Bright Silver
  • Aqua Blue
  • Black
  • Yellow
  • Blue
  • White
  • Orange
  • Olive Green

Display

Screen Size 6.8 " 6.73 "
Resolution 1080 x 2400 1440 x 3200
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 85.6 % 89.8 %
Pixel Density 387 PPI 522 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 1300 nits
Peak Brightness N/A 2600 nits

Hardware

Battery Capacity per Screen Area 108.13 mAh/in² 110.39 mAh/in²
Battery Density 42.13 mAh/cm³ 45.13 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM4350-AC Snapdragon 480+ 5G (8 nm) Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm)
CPU Octa-core (2x2.2 GHz Kryo 460 & 6x1.8 GHz Kryo 460) Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)
GPU Adreno 619 Adreno 740

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 13
Maximum OS Version 12 14

Comparison Summary

Alright, let's dive into a head-to-head comparison of the Motorola Moto G51 5G and the Xiaomi 13 Ultra. We've got a fascinating matchup here: a budget-friendly contender versus a flagship powerhouse. I'll break down the specs, highlight the key differences, and help you figure out which phone might be the best fit for you.

1. Specifications Breakdown

Here's a detailed look at how these two phones stack up:

FeatureMotorola Moto G51 5GXiaomi 13 UltraReal-World Implications
Design
Launch Date2021-12-162023-04-21Xiaomi is significantly newer, with likely newer tech.
Form FactorStandardStandardBoth are traditional smartphones.
Dimensions170.5 × 76.5 × 9.1 mm163.2 × 74.6 × 9.1 mmMotorola is slightly larger, which may be less comfortable in smaller hands or pockets.
Weight208g227gMotorola is lighter, likely better for one-handed use.
Display
Size6.8"6.73"Negligible difference in screen size for most use cases.
Resolution1080x24001440x3200Xiaomi's screen will appear noticeably sharper.
Pixel Density387 PPI522 PPIXiaomi has a much more detailed display.
TechnologyIPS LCDAMOLEDXiaomi will have deeper blacks, better contrast, and more vibrant colors.
Refresh Rate120Hz120HzBoth offer smooth scrolling, but AMOLED's responsiveness may feel superior.
Brightness0 nits2600 nitsXiaomi will be much easier to see in bright sunlight.
Performance
ChipsetSnapdragon 480+Snapdragon 8 Gen 2Xiaomi is dramatically faster and more efficient.
AnTuTu Score381,0001,532,113Xiaomi will handle demanding apps and games much better.
GPUAdreno 619Adreno 740Xiaomi has a much more powerful graphics processor.
Battery Life
Capacity5000mAh5000mAhExpected similar battery life, but real-world usage will vary.
Charging10W Fast90W FastXiaomi will charge significantly faster.
Battery FeaturesNon-RemovableReverse charging, Wireless charging, smart management chipsXiaomi has more charging options and management features.
Camera
Main Camera50MP f/1.8, 1/2.76"50MP f/1.9, 1"Xiaomi has much larger sensor, significantly better low-light performance.
Telephoto LensN/A50MP f/1.8, 1/2.51"Xiaomi has a dedicated telephoto lens for optical zoom.
Selfie Camera13MP f/2.2, 1.12µm32MP f/2.0, 0.7µmXiaomi offers higher resolution and better low-light performance
Telephoto lensN/A50MP f/3.0Xiaomi provides better optical zoom capabilities.
Wide Angle lens8MPN/AMotorola allows for wide-angle shots, while Xiaomi does not offer it as a standalone lens.
Macro lens2MPN/AMotorola allows for macro shots, while Xiaomi does not offer it as a standalone lens.
Wide Angle + MacroN/A50MP f/1.8Xiaomi provides high quality wide angle shots with macro abilities.
Video1080p @ 240fps8K @ 24fps, 4K @ up to 60fps, 1080p @ up to 1920fpsXiaomi supports much higher quality video recording with better stabilization.
DxoMarkN/AMobile: 140, Selfie: 128Xiaomi has received high marks for its cameras.
Camera FeaturesPDAF, LAF, RAW, Triple cameraTracking AF, Flicker sensor, OIS, Quadruple camera, 14-bit RAWXiaomi has more advanced features for photography and videography.
Software
Operating SystemAndroid 11 (upgradeable to 12)Android 13 (upgradeable to 14)Xiaomi has newer OS features and likely longer software support.
Connectivity
Wi-FiWi-Fi 5Wi-Fi 6Xiaomi provides better performance on Wi-Fi networks with higher speeds.
BluetoothBluetooth 5.1Bluetooth 5.3Xiaomi supports newer Bluetooth versions with better audio codecs.
GPSBasic suiteEnhanced suiteXiaomi has a more comprehensive suite of satellite systems for more accurate positioning.
Storage
Internal Storage64GB/128 GB256GB/512GB/1024 GBXiaomi offers much more storage capacity.
RAM4GB/8GB12GB/16GBXiaomi will handle heavy multitasking and gaming much better.
Expandable StorageNoNoNeither supports SD card expansion.
Audio
Audio QualityDolby AtmosDolby Atmos, Hi-Res Audio, Stereo SpeakersXiaomi has superior audio output features.
Security
BiometricsSide-mounted FingerprintBasic FingerprintMotorola's side-mounted sensor may be more convenient for some.
Build Quality
Screen ProtectionUnknownCorning Gorilla Glass Victus 2Xiaomi has superior screen protection.
Sensors
SensorsFingerprint, Accelerometer, Gyroscope, ProximityFingerprint, Accelerometer, Compass, Gyroscope, Barometer, ProximityXiaomi has a much more comprehensive set of sensors for advanced functionality.

2. Key Insights

Motorola Moto G51 5G Strengths:

  • Affordability: This phone's main strength is its budget-friendly price. If you're looking for a basic 5G phone without breaking the bank, it’s an option.
  • Lightweight Build: It is significantly lighter than the Xiaomi 13 Ultra, making it comfortable for prolonged use.
  • Decent Battery Life: The 5000mAh battery should provide adequate power for daily use.

Motorola Moto G51 5G Limitations:

  • Basic Performance: The Snapdragon 480+ is adequate for everyday tasks but will struggle with demanding applications and games.
  • Dated Software: Runs on older Android version, which may limit access to newer features and security updates.
  • Display Weaknesses: The IPS LCD display lacks the vibrancy, sharpness, and outdoor visibility of AMOLED technology.
  • Camera System: While it offers versatility with its three lenses, the quality is not comparable to flagship devices, especially in low-light conditions.

Xiaomi 13 Ultra Strengths:

  • Top-Tier Performance: The Snapdragon 8 Gen 2 ensures blazing-fast performance for any task, including demanding games and multitasking.
  • Superior Display: The AMOLED display offers exceptional color accuracy, sharpness, and outdoor visibility.
  • Professional-Grade Camera: Its camera system is among the best in the market, offering top-notch quality, versatility, and advanced video recording.
  • Fast Charging and Wireless Options: Supports rapid charging both wired and wirelessly, as well as reverse charging features.
  • Comprehensive Feature Set: Includes the latest software, connectivity options, and a comprehensive suite of sensors.

Xiaomi 13 Ultra Limitations:

  • Price: This is a flagship device, and it comes with a high price tag.
  • Heavier Build: Its weight is noticeable and may not be suitable for everyone.
  • No Standalone Macro or Wide Angle: Although it has both capabilities, they are combined into a single lens, which may not be ideal for all users.

3. User Profiles and Recommendations

  • Motorola Moto G51 5G:
    • Best for: Budget-conscious users, those who prioritize basic functionality, and those who need a reliable phone for daily tasks like calls, messaging, and browsing.
    • Use Cases: First smartphone buyers, users with simple needs, and individuals who prioritize battery life and weight over performance or high-end features.
  • Xiaomi 13 Ultra:
    • Best for: Power users, photography enthusiasts, and anyone who demands the absolute best in performance, display quality, and camera capabilities.
    • Use Cases: Gamers, creative professionals, content creators, and users who prioritize top-tier features and have no budget constraints.

4. Buying Decision Framework

Here are three questions to ask yourself before deciding:

  1. What is your budget? If you’re on a strict budget, the Motorola is the only realistic option. If your budget is flexible, the Xiaomi opens up new possibilities.
  2. How important are performance and camera quality? If these are your top priorities, the Xiaomi is the clear winner. If you’re okay with a more basic experience, the Motorola might be sufficient.
  3. What features are non-negotiable for you? Do you need a high-end display, top-tier processing power, or advanced camera features? Your must-have list will likely point to one phone over the other.

Scenario-Based Recommendations:

  • Scenario 1: The Budget User

    • Recommendation: Motorola Moto G51 5G. It provides basic functionality at an affordable price point.
  • Scenario 2: The Performance Junkie
    • Recommendation: Xiaomi 13 Ultra. Its combination of top-tier processing power, amazing display, and incredible camera will make it ideal for a user looking for the best mobile experience.
  • Scenario 3: The Photography Enthusiast
    • Recommendation: Xiaomi 13 Ultra. The advanced camera system and professional-grade video features will bring the most joy for mobile photography and content creation.

My Pick:

If I had to choose between the two, I would go with the Xiaomi 13 Ultra. The difference in performance, camera capabilities, and display quality is substantial. While the price is definitely higher, the overall user experience is far superior, particularly for the kind of demanding tasks I typically engage in, such as editing photos, recording videos, and running resource intensive applications. The Xiaomi 13 Ultra is an investment that pays dividends with its overall quality and power. However, if budget were my main concern, I would need to consider the Motorola Moto G51 5G, as it offers a solid mobile experience for its price range.

Alex Griffin
Alex Griffin

Technology analyst specializing in mobile devices and consumer electronics.

Core Expertise

  • Mobile technology analysis
  • Consumer electronics evaluation
  • Technical specification interpretation
  • User experience insights

Professional Mission Empowering readers to make informed technology decisions by transforming intricate specifications into understandable, practical guidance.

Demystifying technology, one device at a time.