vivo X100 vs Realme 12x - Detailed Phone Comparison

Detailed Comparison

Specification
vivo X100
vivo X100
Vivo
Realme 12x
Realme 12x
Realme

General

Launch Date November 21, 2023 April 7, 2024
Release Year 2023 2024

Physical

Volume 104.89 cm³ 99.56 cm³
Screen Size to Weight Ratio 3.36 "/g 3.51 "/g
Weight 202 g 190 g
Height 164.1 mm 165.6 mm
Width 75.2 mm 76.1 mm
Thickness 8.5 mm 7.9 mm
Foldable Design No No
Available Colors
  • White
  • Orange
  • Startrail Blue
  • Asteroid Black
  • Glowing Black
  • Feather Green

Display

Screen Size 6.78 " 6.67 "
Resolution 1260 x 2800 720 x 1604
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.9 % 85.1 %
Pixel Density 452 PPI 264 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 625 nits
Peak Brightness 3000 nits N/A

Hardware

Battery Capacity per Screen Area 108.77 mAh/in² 112.39 mAh/in²
Battery Density 47.67 mAh/cm³ 50.22 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 9300 (4 nm) Mediatek Dimensity 6100+ (6 nm)
CPU Octa-core (1x3.25 GHz Cortex-X4 & 3x2.85 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Immortalis-G720 MC12 Mali-G57 MC2

Connectivity

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

Software

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

Comparison Summary

1. Specifications Comparison

Featurevivo X100Realme 12xPractical Impact
Design
Dimensions (mm)164.1 x 75.2 x 8.5165.6 x 76.1 x 7.9The vivo is slightly shorter and narrower, but thicker. Negligible difference in hand feel.
Weight (g)202190The Realme is slightly lighter, but the difference is minimal in practical use.
Fingerprint SensorUnder displaySide-mountedPersonal preference; under-display is often considered more modern, side-mounted can be faster and more reliable.
Display
Display TypeLTPO AMOLED, 1B colorsIPS LCDVivo offers significantly better contrast, color accuracy, and power efficiency due to AMOLED technology.
Resolution1260 x 2800720 x 1604The vivo has a much sharper display (452 ppi vs 264 ppi), resulting in crisper text and images. Realme's display will appear pixelated in comparison.
Refresh Rate (Hz)120120Both offer smooth scrolling and animations.
Peak Brightness (nits)3000625 (HBM), 500 (typ)The vivo gets drastically brighter, making it much more usable in direct sunlight. The Realme's typical brightness is low.
Performance
ChipsetMediatek Dimensity 9300 (4 nm)Mediatek Dimensity 6100+ (6 nm)The Dimensity 9300 is a flagship-level processor, significantly more powerful than the mid-range 6100+. Expect much better performance in demanding tasks and gaming on the vivo.
CPUOcta-core (1x3.25 GHz Cortex-X4 & 3x2.85 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720)Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)Vivo's CPU configuration offers superior performance cores resulting in faster processing speeds.
GPUImmortalis-G720 MC12Mali-G57 MC2The vivo's GPU is considerably more powerful, offering a significantly better gaming experience.
RAM16GB8GBThe vivo offers double the RAM, allowing for smoother multitasking and better performance with memory-intensive applications.
Storage256GB/512GB256GBBoth offer ample storage, but the vivo provides a 512GB option for users needing more space.
Battery
Capacity (mAh)50005000Similar battery capacity, but real-world battery life will depend on software optimization and display efficiency; Vivo's LTPO display should help conserve power.
Other
OSAndroid 14Android 14Both run the latest Android version.
NFCYesYesBoth support contactless payments.
Video CapabilitiesNot specified1080p@30fpsLack of information for the vivo prevents comparison. Realme offers standard 1080p video recording.

2. Key Differences Analysis

vivo X100 Advantages:

  • Significantly more powerful: The Dimensity 9300 and superior GPU deliver a vastly improved experience for demanding tasks and gaming.
  • Much better display: The high-resolution LTPO AMOLED offers vibrant colors, deep blacks, excellent brightness, and power efficiency.
  • More RAM: Enables smoother multitasking and better performance with demanding applications.

Realme 12x Advantages:

  • Potentially lower price: While both are mid-range, the Realme 12x is likely more affordable given its less powerful specs.
  • Slightly lighter: Negligibly lighter, unlikely to be a major deciding factor.

3. User Profiles & Recommendations

vivo X100: Users who prioritize performance, a premium display, and smooth multitasking. Ideal for mobile gamers, power users, and those who consume media on their phones.

Realme 12x: Budget-conscious users who primarily use their phone for basic tasks like calling, texting, browsing, and social media. Not recommended for demanding users or mobile gamers.

4. Decision Framework

Key Questions:

  1. What is your budget? The vivo X100 will likely be more expensive.
  2. What are your primary phone usage patterns? For basic tasks, the Realme might suffice. For demanding tasks and gaming, the vivo is essential.
  3. How important is display quality? The vivo's display is a major advantage.

Scenario-Based Recommendations:

  • Heavy gamer: vivo X100
  • Budget-conscious social media user: Realme 12x
  • User who values a premium display and smooth performance: vivo X100

My Choice: vivo X100

The vivo X100 is the clear winner for me. While potentially more expensive, the superior performance, vastly better display, and increased RAM make it a much more compelling device. The Dimensity 9300 offers a significant performance leap, ensuring a smooth and future-proof experience. The brilliant AMOLED display is a major selling point, providing a much more enjoyable viewing experience. While the Realme 12x might be suitable for extremely budget-conscious users with basic needs, the vivo X100 offers a significantly better overall user experience. The lack of detailed camera specifications prevents a full comparison, but even without that information, the vivo's other advantages make it the superior choice.

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.