Xiaomi 14 Ultra vs realme 8 - Detailed Phone Comparison

Detailed Comparison

Specification
realme 8
Realme

General

Launch Date February 22, 2024 May 28, 2024
Release Year 2024 2024

Physical

Volume 111.81 cm³ 105.85 cm³
Screen Size to Weight Ratio 2.93 "/g 3.55 "/g
Weight 229.5 g 191 g
Height 161.4 mm 162 mm
Width 75.3 mm 75.1 mm
Thickness 9.2 mm 8.7 mm
Foldable Design No No
Available Colors
  • Titanium Gray
  • Black
  • Blue
  • White
  • Fluid Silver
  • Razor Green

Display

Screen Size 6.73 " 6.78 "
Resolution 1440 x 3200 1264 x 2780
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 90 % 91.8 %
Pixel Density 522 PPI 450 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness 1000 nits 1000 nits
HBM Brightness N/A 1600 nits
Peak Brightness 3000 nits 6000 nits

Hardware

Battery Capacity per Screen Area 110.39 mAh/in² 119.65 mAh/in²
Battery Density 44.72 mAh/cm³ 51.96 mAh/cm³
Battery Capacity 5000 mAh 5500 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm) Qualcomm SM7675 Snapdragon 7+ Gen 3 (4 nm)
CPU Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520) Octa-core (1x2.8 GHz Cortex-X4 & 4x2.6 GHz Cortex-A720 & 3x1.9 GHz Cortex-A520)
GPU Adreno 750 Adreno 732

Connectivity

USB Version 3.2 2.0
OTG Support 1
DisplayPort 1
DisplayPort Version N/A N/A
USB Features USB Type-C 3.2, Gen 2, OTG, DisplayPort USB Type-C 2.0

Software

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

Comparison Summary

1. Specifications Comparison

FeatureXiaomi 14 UltraPhone 8Practical Impact
Design
Dimensions161.4 x 75.3 x 9.2 mm162 x 75.1 x 8.7 mmPhone 8 is slightly thinner and taller. Negligible difference in hand feel for most users.
Weight229.5 g191 gPhone 8 is significantly lighter, reducing hand fatigue during extended use.
Display
Size6.73"6.78"Phone 8 has a marginally larger display, offering a slightly more immersive experience.
TypeLTPO AMOLEDLTPO AMOLEDBoth offer excellent color accuracy, contrast, and power efficiency.
Resolution1440 x 32001264 x 2780Xiaomi 14 Ultra has a sharper display (522 ppi vs 450 ppi), resulting in crisper text and images.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations.
Peak Brightness3000 nits6000 nitsPhone 8's significantly higher peak brightness ensures better visibility in direct sunlight.
Performance
ChipsetSnapdragon 8 Gen 3Snapdragon 7+ Gen 3Xiaomi 14 Ultra features a flagship processor, offering significantly better performance for demanding tasks and gaming.
CPUOcta-core (1x3.3 GHz X4 & 3x3.2 GHz A720 & 2x3.0 GHz A720 & 2x2.3 GHz A520)Octa-core (1x2.8 GHz X4 & 4x2.6 GHz A720 & 3x1.9 GHz A520)Xiaomi 14 Ultra's CPU has higher clock speeds and a more powerful core configuration, translating to faster processing.
GPUAdreno 750Adreno 732Xiaomi 14 Ultra's superior GPU will deliver smoother gaming and faster graphics rendering.
RAM16GB12GBXiaomi 14 Ultra offers more RAM, enabling better multitasking and smoother performance with memory-intensive applications.
Storage512GB512GBBoth offer ample storage for most users.
Battery
Capacity5000 mAh5500 mAhPhone 8 has a larger battery capacity, potentially offering longer battery life. However, real-world battery life depends on various factors including software optimization and usage patterns.
Camera
Video CapabilitiesUp to 8K@30fps, 4K@120fpsUp to 4K@60fps, 1080p@120fpsXiaomi 14 Ultra offers higher resolution and frame rate video recording options, providing more flexibility for content creation. Detailed camera sensor specifications are missing for a complete comparison.

2. Key Differences Analysis

Xiaomi 14 Ultra Advantages:

  • Significantly more powerful: The Snapdragon 8 Gen 3 offers a substantial performance advantage for demanding tasks, gaming, and future-proofing.
  • Sharper Display: Higher resolution results in a more detailed and visually appealing experience.
  • More versatile video recording: Supports higher resolution and frame rates.

Phone 8 Advantages:

  • Lighter and Thinner: Noticeably more comfortable for extended use.
  • Brighter Display: Superior visibility in direct sunlight.
  • Larger Battery: Potential for longer battery life.

3. User Profiles & Recommendations

Xiaomi 14 Ultra: Power users, gamers, content creators who prioritize performance and a sharp display.

Phone 8: Users who prioritize battery life, a lightweight design, and sunlight readability. Suitable for everyday tasks, social media, and casual gaming.

4. Decision Framework

Key Questions:

  1. What is your budget? (Both are mid-range, but actual pricing needs confirmation)
  2. What are your primary use cases? (Gaming, content creation, everyday use)
  3. Which features matter most? (Performance, battery life, display quality, weight)

My Choice: Xiaomi 14 Ultra

While the Phone 8 offers a compelling combination of battery life, lightweight design, and a bright display, the Xiaomi 14 Ultra's superior performance and sharper display are decisive factors for me. The Snapdragon 8 Gen 3 provides significant future-proofing and a smoother experience for demanding tasks and gaming. I prioritize performance and a high-quality display, and I am willing to accept the slightly heavier weight for the substantial benefits offered by the Xiaomi 14 Ultra. The brighter display of Phone 8 is tempting, but the overall package of the Xiaomi 14 Ultra makes it the more compelling choice. The significantly enhanced video recording capabilities also contribute to its appeal.

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
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Bridging technical complexity with engaging, accessible narratives.