Xiaomi Redmi 12 5G vs Xiaomi 14 Ultra - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date August 4, 2023 February 22, 2024
Release Year 2023 2024

Physical

Volume 105.49 cm³ 111.81 cm³
Screen Size to Weight Ratio 3.41 "/g 2.93 "/g
Weight 199 g 229.5 g
Height 168.6 mm 161.4 mm
Width 76.3 mm 75.3 mm
Thickness 8.2 mm 9.2 mm
Foldable Design No No
Available Colors
  • Moonstone Silver
  • Jade Black
  • Pastel Blue
  • Titanium Gray
  • Black
  • Blue
  • White

Display

Screen Size 6.79 " 6.73 "
Resolution 1080 x 2460 1440 x 3200
Aspect Ratio 21:9 20:9
Screen-to-Body Ratio 85.1 % 90 %
Pixel Density 396 PPI 522 PPI
Refresh Rate 90 Hz 120 Hz
Typical Brightness 550 nits 1000 nits
HBM Brightness N/A N/A
Peak Brightness N/A 3000 nits

Hardware

Battery Capacity per Screen Area 108.45 mAh/in² 110.39 mAh/in²
Battery Density 47.4 mAh/cm³ 44.72 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support No Yes
Chipset Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm) Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
CPU Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55) Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
GPU Adreno 613 Adreno 750

Connectivity

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

Software

Operating System Android Android
Initial OS Version 13 14
Maximum OS Version 14 18

Comparison Summary

1. Specifications Comparison

FeatureXiaomi Redmi 12 5GXiaomi 14 UltraPractical Impact
Design
Dimensions168.6x76.3x8.2mm161.4x75.3x9.2mmThe 14 Ultra is slightly shorter, narrower, but thicker. The differences are minimal and likely won't be noticeable in hand.
Weight199g229.5gThe 14 Ultra is significantly heavier, potentially impacting one-handed use and pocket comfort.
Display
Size6.79"6.73"Negligible difference in screen real estate.
TypeIPS LCD, 90HzLTPO AMOLED, 120HzThe 14 Ultra offers superior contrast, deeper blacks, and smoother animations thanks to AMOLED technology and the higher refresh rate. The LTPO panel allows for dynamic refresh rate adjustment, saving battery.
Resolution1080x24601440x3200The 14 Ultra has a much sharper display with noticeably higher pixel density.
Peak BrightnessN/A3000 nitsThe 14 Ultra's significantly higher peak brightness ensures excellent outdoor visibility. The lack of data for the Redmi 12 5G makes a direct comparison impossible.
Performance
ChipsetSnapdragon 4 Gen 2Snapdragon 8 Gen 3The 8 Gen 3 in the 14 Ultra provides significantly faster CPU and GPU performance, enabling smooth multitasking, demanding gaming, and faster app loading.
CPUOcta-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)The 14 Ultra offers a significantly more powerful and efficient CPU architecture.
GPUAdreno 613Adreno 750The 14 Ultra's GPU is significantly more powerful, resulting in much better gaming and graphics performance.
RAM6GB16GBThe 14 Ultra has significantly more RAM, enabling smoother multitasking and preventing apps from closing in the background.
Storage128GB512GBThe 14 Ultra provides much more storage for apps, photos, videos, and other files.
Battery
Capacity5000 mAh5000 mAhBoth phones have the same battery capacity. However, real-world battery life will depend on factors like screen type, processor efficiency, and usage patterns.

2. Key Differences Analysis

Xiaomi Redmi 12 5G Advantages:

  • Lower Price: Likely significantly cheaper than the 14 Ultra.
  • Lighter Weight: Easier to handle and carry for extended periods.

Xiaomi 14 Ultra Advantages:

  • Superior Performance: Significantly faster processor, GPU, and more RAM for a smoother and more responsive experience.
  • Better Display: Higher resolution, refresh rate, brighter AMOLED screen for improved visuals and outdoor visibility.
  • More Storage: Ample storage space for apps, media, and files.
  • Enhanced Camera Capabilities: Significantly improved video recording capabilities.
  • NFC: Enables contactless payments and other NFC functionalities.

3. User Profiles & Recommendations

Redmi 12 5G: Budget-conscious users who prioritize basic functionality, calling, texting, web browsing, and light gaming.

Xiaomi 14 Ultra: Users who demand top-tier performance, a premium display, ample storage, and cutting-edge features. Ideal for power users, gamers, content creators, and photography enthusiasts.

4. Decision Framework

Key Questions:

  1. What is your budget?
  2. What are your primary smartphone usage patterns?
  3. Which features are most important to you (performance, display, camera, battery life)?

My Choice: Xiaomi 14 Ultra

While the Redmi 12 5G offers a budget-friendly option, the Xiaomi 14 Ultra is my choice due to its significantly superior performance, stunning display, and ample storage. The difference in user experience between a Snapdragon 4 Gen 2 and a Snapdragon 8 Gen 3 is substantial, especially for demanding tasks and gaming. The brighter, higher resolution AMOLED display also provides a much more enjoyable viewing experience. While the weight and price are higher, the overall package offered by the 14 Ultra justifies the premium for users who prioritize performance and a high-quality experience. The vastly superior video capabilities of the 14 Ultra also make it a compelling choice for anyone interested in content creation.

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.