Xiaomi Poco X3 Pro vs Xiaomi 14 Ultra - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date March 24, 2021 February 22, 2024
Release Year 2021 2024

Physical

Volume 119.33 cm³ 111.81 cm³
Screen Size to Weight Ratio 3.1 "/g 2.93 "/g
Weight 215 g 229.5 g
Height 165.3 mm 161.4 mm
Width 76.8 mm 75.3 mm
Thickness 9.4 mm 9.2 mm
Foldable Design No No
Available Colors
  • Phantom Black
  • Frost Blue
  • Metal Bronze
  • Titanium Gray
  • Black
  • Blue
  • White

Display

Screen Size 6.67 " 6.73 "
Resolution 1080 x 2400 1440 x 3200
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.6 % 90 %
Pixel Density 395 PPI 522 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness 450 nits 1000 nits
HBM Brightness N/A N/A
Peak Brightness N/A 3000 nits

Hardware

Battery Capacity per Screen Area 115.98 mAh/in² 110.39 mAh/in²
Battery Density 43.24 mAh/cm³ 44.72 mAh/cm³
Battery Capacity 5160 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm Snapdragon 860 (7 nm) Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
CPU Octa-core (1x2.96 GHz Kryo 485 Gold & 3x2.42 GHz Kryo 485 Gold & 4x1.78 GHz Kryo 485 Silver) Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
GPU Adreno 640 Adreno 750

Connectivity

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

1. Specifications Comparison

Design

FeatureXiaomi Poco X3 ProXiaomi 14 UltraPractical Impact
Physical Size165.3 × 76.8 × 9.4 mm161.4 × 75.3 × 9.2 mmThe Poco X3 Pro is slightly taller, wider and thicker, which may be noticeable in hand and pocket feel. The 14 Ultra is more compact.
Weight215g229.5gThe Poco X3 Pro is lighter by 14.5g, which may result in slightly less hand fatigue over extended use.
Build QualityCorning Gorilla Glass 6Corning Gorilla Glass Victus 2The Xiaomi 14 Ultra offers more advanced screen protection making it more scratch and shatter resistant.
FoldableStandardStandardBoth are standard smartphones, not foldable.

Display

FeatureXiaomi Poco X3 ProXiaomi 14 UltraPractical Impact
Size6.67"6.73"Negligible difference in size; both feel similar in the hand.
Resolution1080x24001440x3200The 14 Ultra has significantly sharper visuals, with finer details and text clarity, better for reading and media consumption.
Pixel Density (PPI)395522The higher pixel density of the 14 Ultra leads to noticeably crisper images and text, especially when viewing close-up.
TechnologyIPS LCDAMOLEDThe 14 Ultra has superior contrast (deeper blacks) and vibrant colors, resulting in a more immersive viewing experience. AMOLED is also more power efficient when using dark themes.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations.
Brightness0 nits3000 nitsThe 14 Ultra is significantly brighter, ensuring excellent visibility even in direct sunlight, a major advantage for outdoor use.

Performance

FeatureXiaomi Poco X3 ProXiaomi 14 UltraPractical Impact
ChipsetQualcomm Snapdragon 860 (7 nm)Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)The 14 Ultra's newer, more efficient processor provides significantly faster processing, smoother multitasking, and better gaming performance. It is much more future-proof.
AnTuTu Score627,8692,100,000The 14 Ultra achieves a significantly higher score, reflecting superior performance in demanding tasks.
GPUAdreno 640Adreno 750The 14 Ultra has a more powerful GPU, resulting in better graphics rendering for gaming and video editing.
RAM6GB or 8GB12 GB or 16 GBThe 14 Ultra has significantly more RAM, which enables smoother multitasking and better handling of memory-intensive apps and games.

Camera

FeatureXiaomi Poco X3 ProXiaomi 14 UltraPractical Impact
Standard Camera Resolution48MP50MPThe 14 Ultra has a slightly higher resolution and a much larger sensor.
Standard Camera Aperturef/1.79f/1.63The 14 Ultra's wider aperture allows more light, leading to better low-light performance.
Standard Camera Sensor Size1/2"1"The 14 Ultra's larger sensor captures more light and detail, resulting in superior image quality especially in challenging lighting conditions.
Selfie Camera Resolution20MP32MPThe 14 Ultra's front camera captures sharper images with more detail.
Selfie Camera Aperturef/2.2f/2.0The 14 Ultra's wider aperture allows for brighter selfies in low-light.
Selfie Camera Sensor Size1/3.4"1/3"The 14 Ultra's slightly larger sensor can capture a bit more light and detail
Telephoto LensNone50MP (f/1.8, 1/2.51")The 14 Ultra offers optical zoom capabilities for detailed zoomed shots, a feature missing on the Poco X3 Pro.
Wide Angle Lens8MP (f/2.2, 1/4")NoneThe Poco X3 Pro can capture wider shots, useful for landscape photos.
Portrait Mode (Depth) Lens2MP (f/2.4, 1/5")NoneThe Poco X3 Pro has a dedicated depth sensor for improved portrait mode effects.
Macro Lens2MP (f/2.4, 1/5")NoneThe Poco X3 Pro has a dedicated macro lens for close up shots.
Wide Angle + Macro LensNone50MP (f/1.8, 1/2.51")The 14 Ultra has a single lens that acts both as wide angle and macro.
Video RecordingUp to 4K@30fpsUp to 8K@30fpsThe 14 Ultra offers significantly higher video resolution and frame rates, along with HDR recording.
Video StabilizationEISEIS & OISThe 14 Ultra has optical image stabilization for smoother and more stable videos.
Slow-motion960fps1920fpsThe 14 Ultra provides super slow-motion video capture at higher frame rate.
DxOMark ScoreNot Tested149 (Mobile)The 14 Ultra has been tested to have a very high score reflecting excellent photo and video capabilities.
Camera FeaturesBasic FeaturesAdvanced Features (RAW, Tracking AF, etc)The 14 Ultra has many more advanced features for photography.

Battery

FeatureXiaomi Poco X3 ProXiaomi 14 UltraPractical Impact
Capacity5160mAh5000mAhBoth phones have similar battery capacity, suggesting comparable endurance.
Charging33W Fast Charging90W Fast Charging, 80W Wireless ChargingThe 14 Ultra charges much faster with its 90W wired charging and also supports fast wireless charging.
FeaturesNon-removableReverse Charging, Wireless Charging, etc.The 14 Ultra offers additional features such as reverse wireless charging and dedicated battery management chips.

2. Key Differences Analysis

Xiaomi Poco X3 Pro Advantages:

  • More affordable: Significantly cheaper than the Xiaomi 14 Ultra, making it a good budget option.
  • Slightly lighter: Easier to handle for extended periods and less tiring for those with smaller hands.
  • Dedicated Depth and Macro Lenses: Offers more flexibility in specific close-up and portrait shots.
  • Wider Angle Lens: Allows for wide shots.

Xiaomi 14 Ultra Advantages:

  • Superior Display: The AMOLED display with high resolution, brightness, and pixel density offers an excellent visual experience.
  • Significantly Higher Performance: The modern chipset provides vastly superior processing power for faster apps, smoother multitasking, and enhanced gaming.
  • Advanced Camera System: Features a much better primary sensor, telephoto, and a wide angle + macro lens, enabling far better photo and video capture quality, especially in challenging conditions.
  • Faster Charging: The much faster charging capabilities are a big convenience.
  • More Advanced Battery Features: Offers reverse charging and dedicated battery management chips.
  • More Storage and RAM: More storage options (up to 1 TB) and higher RAM options offer a better experience.
  • Newer Connectivity Standards: Newer WiFi and Bluetooth standards offer a more reliable and faster connection.
  • Superior build quality: Offers better screen protection with Corning Gorilla Glass Victus 2

Trade-offs:

  • The Xiaomi Poco X3 Pro trades superior performance and camera quality for a lower price.
  • The Xiaomi 14 Ultra is considerably more expensive but offers flagship-level features.
  • The Poco X3 Pro lacks advanced features and future-proofing compared to the 14 Ultra.

3. User Profiles & Recommendations

Xiaomi Poco X3 Pro Ideal Users:

  • Budget-conscious users: Those seeking a capable phone without spending a lot.
  • Casual gamers: Those who play less demanding games and are fine with medium settings.
  • Users who don't prioritize camera quality: Those who are satisfied with basic camera features and don't do extensive photo or video work.
  • Users who prefer wider angle shots.

Use Cases for Poco X3 Pro:

  • Basic daily tasks (browsing, social media, messaging)
  • Moderate gaming and streaming
  • Basic photography and videography

Xiaomi 14 Ultra Ideal Users:

  • Enthusiast photographers and videographers: Those who want the best mobile camera experience and advanced shooting features.
  • Power users: Those who need top-tier performance for heavy multitasking and demanding apps.
  • Gamers: Those who want the best mobile gaming experience with high frame rates and visuals.
  • Users who need best display quality.

Use Cases for 14 Ultra:

  • Professional-grade photography and videography
  • High-end mobile gaming
  • Intensive multitasking and productivity apps
  • Viewing high resolution media

Price-to-Value Ratio:

  • The Poco X3 Pro offers excellent value at its price point, offering decent performance for the cost.
  • The Xiaomi 14 Ultra is a premium device with a premium price.

4. Decision Framework

Key Questions for Buyers:

  1. What's your budget? The Poco X3 Pro is considerably cheaper than the 14 Ultra.
  2. How important is camera quality to you? If it is, the 14 Ultra is the better pick by a wide margin.
  3. What kind of performance do you need? The 14 Ultra is better for more intensive tasks.

Scenario-Based Recommendations:

  • Scenario 1: Tight Budget: If your budget is very limited and you only need a basic smartphone for light tasks, the Poco X3 Pro is a solid choice.
  • Scenario 2: Photography Enthusiast: If you want the best smartphone camera and advanced shooting options, the 14 Ultra is the clear winner despite the cost.
  • Scenario 3: Gaming Focused: If you want the best gaming experience, the 14 Ultra is far superior due to its powerful chipset, GPU, and RAM.
  • Scenario 4: Daily Usage with Occasional Photos/Videos: If you need a reliable phone for daily use, occasional photos, the Poco X3 Pro provides a basic experience, if camera quality is not a priority.
  • Scenario 5: Future-Proofing: If you want a device that will perform well for a longer duration, the 14 Ultra is more future-proof with its advanced specs and software updates.

Which phone would I choose?

If I had to choose between these two phones, I would choose the Xiaomi 14 Ultra. While it's significantly more expensive, the overall experience is vastly superior. The improvements in display quality, camera performance, processing power, and charging speed make it a much more compelling device for the long term. As someone who values high-quality photography, gaming, and overall performance, the 14 Ultra justifies the premium price. The Poco X3 Pro is a good budget phone, but it compromises significantly on aspects that matter to me most. Although, if price was a big restriction, Poco X3 Pro would be a reasonable choice to fulfill the basic tasks.

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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  • Mobile technology analysis
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Bridging technical complexity with engaging, accessible narratives.