Motorola Moto G51 5G vs Xiaomi 14 Ultra - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date December 16, 2021 February 22, 2024
Release Year 2021 2024

Physical

Volume 118.69 cm³ 111.81 cm³
Screen Size to Weight Ratio 3.27 "/g 2.93 "/g
Weight 208 g 229.5 g
Height 170.5 mm 161.4 mm
Width 76.5 mm 75.3 mm
Thickness 9.1 mm 9.2 mm
Foldable Design No No
Available Colors
  • Indigo Blue
  • Bright Silver
  • Aqua Blue
  • Titanium Gray
  • Black
  • Blue
  • White

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 % 90 %
Pixel Density 387 PPI 522 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A 1000 nits
HBM Brightness N/A N/A
Peak Brightness N/A 3000 nits

Hardware

Battery Capacity per Screen Area 108.13 mAh/in² 110.39 mAh/in²
Battery Density 42.13 mAh/cm³ 44.72 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM4350-AC Snapdragon 480+ 5G (8 nm) Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
CPU Octa-core (2x2.2 GHz Kryo 460 & 6x1.8 GHz Kryo 460) Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
GPU Adreno 619 Adreno 750

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, Gen 2, OTG, DisplayPort

Software

Operating System Android Android
Initial OS Version 11 14
Maximum OS Version 12 18

Comparison Summary

Okay, let's break down these two very different phones and see where they shine (or don't). We've got the Motorola Moto G51 5G, a budget-friendly option, going head-to-head with the Xiaomi 14 Ultra, a powerhouse packed with the latest tech. It’s like pitting a reliable family sedan against a high-performance sports car – both have their place, but they’re built for different journeys.

1. Specifications Breakdown

Here’s a detailed look at their specs and what they mean for you, presented in a way that’s actually useful:

FeatureMotorola Moto G51 5GXiaomi 14 UltraReal-World Implications
Design
Dimensions170.5 x 76.5 x 9.1 mm161.4 x 75.3 x 9.2 mmMoto G51 is taller and wider, while both have similar thickness. Xiaomi 14 Ultra is more compact.
Weight208g229.5gThe Moto G51 is lighter, which might be more comfortable for longer use.
Display
Size6.8"6.73"Both are large, but the Moto G51's is slightly bigger.
Resolution1080 x 24001440 x 3200Xiaomi 14 Ultra's display will be noticeably sharper and clearer.
Pixel Density387 ppi522 ppiAgain, Xiaomi provides crisper text and images.
TechnologyIPS LCDAMOLEDXiaomi’s AMOLED offers deeper blacks, better contrast, and more vibrant colors.
Refresh Rate120Hz120HzBoth are smooth, but the AMOLED will make 120Hz feel even better.
Brightness0 nits3000 nitsXiaomi is incredibly bright, making it far more visible outdoors in sunlight.
Performance
ChipsetSnapdragon 480+ 5GSnapdragon 8 Gen 3Xiaomi 14 Ultra has a much faster processor, for significantly better performance in all tasks, including gaming.
Antutu Score381,0002,100,000The Xiaomi 14 Ultra is leaps and bounds ahead for gaming, multitasking, and just general snappiness.
GPUAdreno 619Adreno 750Xiaomi's GPU is considerably more powerful, handling graphics-intensive tasks easily.
Camera
Main Camera50MP, f/1.8, 1/2.76" sensor50MP, f/1.63, 1" sensorXiaomi's larger sensor captures more light and detail for better low-light performance.
Selfie Camera13MP, f/2.232MP, f/2.0Xiaomi’s selfie camera is significantly sharper and has better low-light capability.
TelephotoNone50MPXiaomi has a telephoto lens for zooming without losing image quality.
Wide Angle8MPNoneMoto G51 does offer a wide-angle lens, but is lower res.
Macro2MPNoneMoto G51 does offer a dedicated macro lens.
Wide Angle + MacroNone50MPXiaomi combines the wide and macro lens into one impressive lens.
Video1080p@up to 240fps8K up to 24 fps, 4K up to 120fpsXiaomi wins handily with 8K video recording.
DXOMARK ScoreN/A149Xiaomi’s camera is top-tier, easily outperforming the Moto G51.
Battery Life
Capacity5000mAh5000mAhSimilar battery size, indicating comparable endurance.
Charging10W wired90W wired, 80W wirelessXiaomi has much faster wired and wireless charging.
FeaturesNon-removableReverse charging, wireless charging, power management chipsXiaomi has advanced charging features for convenience.
Software
OSAndroid 11Android 14Xiaomi has the latest Android, and likely more future updates.
Connectivity
Wi-FiWi-Fi 5Wi-Fi 7Xiaomi supports the latest Wi-Fi standards for faster speeds.
Bluetooth5.1 LE5.4 LEXiaomi 14 Ultra supports more advanced audio codecs via bluetooth.
GPSBasic supportAdvanced supportXiaomi offers much better positioning accuracy and wider support.
Storage & RAM
Internal Storage64/128GB256/512/1024GBXiaomi offers significantly more storage options.
RAM4/8GB12/16GBXiaomi has significantly more RAM for smoother performance.
ExpandableNoNoNo expandable storage for either phone.
Audio
QualityDolby Atmos, 2 micsDolby Atmos, Stereo speakers, 4 mics, Hi-Res AudioXiaomi has a far better audio experience for playback and recording.

2. Key Insights

  • Motorola Moto G51 5G Strengths:

    • Affordability: It’s a budget-friendly device that offers 5G connectivity and a large display.
    • Lightweight: It's noticeably lighter than the Xiaomi, which might make it more comfortable for daily use.
    • Decent Battery Life: With a 5000 mAh battery, it should easily last a full day of moderate usage.
    • Wide-Angle and Macro: These provide basic options for different photo styles.
  • Xiaomi 14 Ultra Strengths:

    • Display Prowess: Its high-resolution, super-bright AMOLED panel with 120Hz refresh rate is phenomenal.
    • Top-Tier Performance: The latest Snapdragon chip makes it incredibly fast and smooth for everything.
    • Camera King: The camera system is far superior, offering top-notch performance for both photos and videos.
    • Advanced Features: It has cutting-edge wireless charging, a more advanced OS, and a much higher storage capacity.
    • Superior Audio: High-quality audio playback, paired with a better microphone setup, takes the experience to the next level.
  • Trade-offs & Limitations

    • Motorola Moto G51 5G: The main trade-off is its overall performance, screen quality, and camera. It lags far behind in almost every single category.
    • Xiaomi 14 Ultra: The main limitation is the price. It is a premium device with a premium price tag. It is also much heavier, which might not be for everyone.

3. User Profiles and Recommendations

  • Motorola Moto G51 5G: This phone is best suited for:

    • Budget-conscious users: It's an affordable option for everyday tasks, like browsing, social media, and calling.
    • Casual users: People who don't need a high-performance phone but still want 5G and a big screen.
    • Users needing long battery life: Good for daily drivers needing all-day power for moderate tasks.
  • Xiaomi 14 Ultra: This phone is best suited for:

    • Tech Enthusiasts and Power Users: People who want the very best in performance, display, and camera.
    • Photography/Videography Professionals and Enthusiasts: Those who need a professional-grade camera in their phone.
    • Gamers: Users who demand the highest performance and most fluid experience in gaming.
    • Multi-tasking: Those who use many apps at once and need seamless switching.

4. Buying Decision Framework

Here are three practical questions to help you decide:

  1. What is your budget? If you're on a tight budget, the Motorola Moto G51 5G is the more financially sensible choice.
  2. What are your primary uses? If you mainly use your phone for basic tasks and a little social media, the Motorola is sufficient. If you want high-end performance, a top camera, and amazing display quality, the Xiaomi 14 Ultra is the better fit.
  3. How important is the camera, display, and performance? If you consider camera, display, and high performance as must-haves, Xiaomi’s premium specs will provide a significantly better user experience.

Scenario-based recommendations:

  • Scenario 1: Casual Everyday Use, Limited Budget: Go with the Motorola Moto G51 5G. It handles basic tasks well and has a large screen and decent battery.
  • Scenario 2: Gaming, Photography, and Media Consumption: Opt for the Xiaomi 14 Ultra. It delivers a superior experience in all these areas.
  • Scenario 3: Balancing Performance and Budget: If you need better performance, but are on a budget, neither is a good fit, and you should look at other options in the middle ground.

What I Would Choose and Why

If I were choosing between these two, I would absolutely go with the Xiaomi 14 Ultra. While the price is a major factor and the phone is heavier, the sheer difference in the user experience is just too great to ignore.

I’m a tech journalist, and I use my phone for everything – from capturing photos and videos for my articles to testing app performance and gaming in my downtime. The Xiaomi 14 Ultra’s display alone would make it a joy to use, and the camera system, as a photography enthusiast, is something I would greatly appreciate. The lightning-fast performance would also ensure that my workflow is always smooth and efficient.

The Motorola is a fine phone for a very basic user, but the vast differences between the two show what’s possible with the latest smartphone technology. My priority is getting the best performance, a high-quality camera, and an excellent screen, and the Xiaomi 14 Ultra simply delivers on these fronts, making the price increase an acceptable tradeoff.

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.