vivo iQOO 12 vs Xiaomi 14 Ultra - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date November 14, 2023 February 22, 2024
Release Year 2023 2024

Physical

Volume 100.33 cm³ 111.81 cm³
Screen Size to Weight Ratio 3.42 "/g 2.93 "/g
Weight 198.5 g 229.5 g
Height 163.2 mm 161.4 mm
Width 75.9 mm 75.3 mm
Thickness 8.1 mm 9.2 mm
Foldable Design No No
Available Colors
  • Black
  • Red
  • White (BMW M branding)
  • Titanium Gray
  • Black
  • Blue
  • White

Display

Screen Size 6.78 " 6.73 "
Resolution 1260 x 2800 1440 x 3200
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.6 % 90 %
Pixel Density 453 PPI 522 PPI
Refresh Rate 144 Hz 120 Hz
Typical Brightness N/A 1000 nits
HBM Brightness 1400 nits N/A
Peak Brightness 3000 nits 3000 nits

Hardware

Battery Capacity per Screen Area 108.77 mAh/in² 110.39 mAh/in²
Battery Density 49.83 mAh/cm³ 44.72 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm) Qualcomm SM8650-AB Snapdragon 8 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 (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
GPU Adreno 750 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 14 14
Maximum OS Version 16 18

Comparison Summary

vivo iQOO 12 vs. Xiaomi 14 Ultra: A Deep Dive

Let's dissect the vivo iQOO 12 and Xiaomi 14 Ultra, two powerful contenders in the smartphone arena. We'll go beyond the spec sheet to understand what these numbers mean for you, the user.

1. Specifications Breakdown

Featurevivo iQOO 12Xiaomi 14 UltraReal-World Implications
Design
Dimensions (mm)163.2 x 75.9 x 8.1161.4 x 75.3 x 9.2iQOO 12 is slightly taller and wider, but noticeably thinner. Xiaomi 14 Ultra's added thickness might accommodate a larger camera sensor.
Weight (g)198.5229.5Significant weight difference: iQOO 12 feels much lighter in hand, reducing fatigue during extended use.
Display
Size (inches)6.786.73Negligible difference in screen real estate.
TypeLTPO AMOLED, 1B colors, 144HzLTPO AMOLED, 68B colors, 120HzBoth offer vibrant colors and smooth scrolling. iQOO 12's 144Hz potentially provides a slightly more responsive gaming experience.
Resolution1260x28001440x3200Xiaomi 14 Ultra boasts a sharper display due to higher pixel density (522 ppi vs 453 ppi).
Peak Brightness (nits)30003000Both excel in outdoor visibility with exceptionally high peak brightness.
Performance
ChipsetSnapdragon 8 Gen 3Snapdragon 8 Gen 3Identical chipsets indicate comparable processing power and graphics performance.
RAM16GB16GBAmple RAM ensures smooth multitasking and demanding app usage on both devices.
Storage512GB, 1TB512GBiQOO 12 offers a 1TB storage option for users needing extensive local storage.
Battery
Capacity (mAh)50005000Similar battery capacities suggest comparable longevity. Real-world battery life will depend on usage patterns and software optimization.
Other
USBUSB Type-C 2.0USB Type-C 3.2 Gen 2Xiaomi 14 Ultra offers faster data transfer speeds and potentially DisplayPort functionality for connecting to external displays.
OSAndroid 14, up to Android 16Android 14, up to Android 18Xiaomi 14 Ultra is promised longer software support, receiving updates for a longer period.
Video CapabilitiesUp to 8K@30fps, 1080p@240fpsUp to 8K@30fps, 1080p@1920fps (HDR)Xiaomi 14 Ultra supports higher frame rate slow-motion video recording and HDR video capture across various resolutions, offering more advanced video features.

2. Key Insights

  • Performance Parity: Both phones, powered by the Snapdragon 8 Gen 3, deliver top-tier performance.
  • Display Dilemma: The iQOO 12 boasts a faster refresh rate for smoother gaming, but the Xiaomi 14 Ultra offers a sharper, higher resolution display. This boils down to prioritizing responsiveness versus visual detail.
  • Weighty Matters: The substantial weight difference is a crucial factor. The iQOO 12's lighter build significantly enhances one-handed usability and reduces fatigue.
  • Software Support: Xiaomi's commitment to longer software updates gives the 14 Ultra a long-term advantage.
  • Xiaomi's Video Prowess: Content creators will appreciate the Xiaomi 14 Ultra's superior video recording capabilities, including higher frame rate slow-motion and HDR across multiple resolutions.

3. User Profiles and Recommendations

  • vivo iQOO 12: Ideal for gamers who prioritize a high refresh rate display and a lightweight, comfortable phone for extended use. Also suitable for users seeking a more affordable option with ample storage.
  • Xiaomi 14 Ultra: Best suited for users who demand the sharpest display, extended software support, and cutting-edge video recording features. It's the phone for content creators and those who value long-term device viability.

4. Buying Decision Framework

  1. Are you a mobile gamer? If a high refresh rate display for the smoothest gaming experience is paramount, the iQOO 12's 144Hz panel is a strong advantage.
  2. How important is long-term software support? If receiving updates for an extended period is crucial, the Xiaomi 14 Ultra's promise of updates to Android 18 makes it a more future-proof choice.
  3. Do you prioritize video recording? The Xiaomi 14 Ultra's superior video capabilities make it the clear winner for content creators and videography enthusiasts.

My Choice: Xiaomi 14 Ultra

While the iQOO 12's lighter weight and higher refresh rate are tempting, the Xiaomi 14 Ultra's sharper display, longer software support, superior video features, and faster USB standard make it the more compelling device for me. As a tech journalist, capturing high-quality video is essential, and the 14 Ultra's advanced video capabilities are a significant advantage. While the added weight is a consideration, the overall package offered by the Xiaomi 14 Ultra aligns better with my needs and priorities. The promise of longer-term software updates also contributes to a more future-proof investment.

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.