Xiaomi Redmi 12 vs vivo V40 - Detailed Phone Comparison

Detailed Comparison

Specification
vivo V40
vivo V40
Vivo

General

Launch Date June 15, 2023 July 3, 2024
Release Year 2023 2024

Physical

Volume 105.49 cm³ 93.59 cm³
Screen Size to Weight Ratio 3.42 "/g 3.57 "/g
Weight 198.5 g 190 g
Height 168.6 mm 164.2 mm
Width 76.3 mm 75 mm
Thickness 8.2 mm 7.6 mm
Foldable Design No No
Available Colors
  • Midnight Black
  • Polar Silver
  • Sky Blue
  • Moonstone Silver
  • Moonlight White
  • Stellar Silver (Titanium Grey)
  • Nebula Purple (Lotus Purple)
  • Ganges Blue
  • Sunglow Peach

Display

Screen Size 6.79 " 6.78 "
Resolution 1080 x 2460 1260 x 2800
Aspect Ratio 21:9 20:9
Screen-to-Body Ratio 85.1 % 90.1 %
Pixel Density 396 PPI 453 PPI
Refresh Rate 90 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 550 nits 4500 nits

Hardware

Battery Capacity per Screen Area 108.45 mAh/in² 119.65 mAh/in²
Battery Density 47.4 mAh/cm³ 58.76 mAh/cm³
Battery Capacity 5000 mAh 5500 mAh
NFC Support Yes Yes
Chipset Mediatek MT6769H Helio G88 (12 nm) Qualcomm SM7550-AB Snapdragon 7 Gen 3 (4 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) Octa-core (1x2.63 GHz Cortex-A715 & 3x2.4 GHz Cortex-A715 & 4x1.8 GHz Cortex-A510)
GPU Mali-G52 MC2 Adreno 720

Connectivity

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

Software

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

Comparison Summary

1. Specifications Comparison

FeatureXiaomi Redmi 12vivo V40Practical Impact
Design
Dimensions (mm)168.6 x 76.3 x 8.2164.2 x 75 x 7.6The vivo V40 is slightly smaller and thinner, potentially offering a more comfortable grip.
Weight (g)198.5190The vivo V40 is noticeably lighter, reducing hand fatigue during extended use.
Fingerprint SensorSide-mountedUnder-displayPreference-based; under-display sensors offer a cleaner aesthetic while side-mounted sensors are often faster and more reliable.
Display
Display TypeIPS LCDAMOLEDAMOLED offers deeper blacks, more vibrant colors, and potentially better power efficiency.
Display Size (inches)6.796.78Negligible size difference.
Resolution1080 x 24601260 x 2800The vivo V40 has a sharper display with higher pixel density, resulting in clearer text and images.
Refresh Rate (Hz)90120The vivo V40's 120Hz refresh rate provides smoother scrolling and animations, leading to a more fluid user experience.
HDRNo HDR support detectedHDR10+The vivo V40 supports HDR10+, enabling a wider dynamic range and more vibrant colors when viewing compatible content.
Peak Brightness (nits)5504500The vivo V40's significantly higher peak brightness makes it much more usable outdoors in direct sunlight.
Performance
ChipsetMediatek Helio G88 (12nm)Qualcomm Snapdragon 7 Gen 3 (4nm)The Snapdragon 7 Gen 3 is significantly more powerful and efficient due to its newer architecture and smaller manufacturing process. This translates to better performance in demanding tasks and games, as well as improved battery life.
CPUOcta-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)Octa-core (1x2.63 GHz Cortex-A715 & 3x2.4 GHz Cortex-A715 & 4x1.8 GHz Cortex-A510)The vivo V40 features more powerful CPU cores and a higher clock speed, providing a noticeable performance advantage.
GPUMali-G52 MC2Adreno 720The Adreno 720 provides a substantial improvement in graphics performance for gaming and other visually demanding tasks.
RAM4GB/8GB12GBThe vivo V40 offers significantly more RAM, enabling better multitasking and smoother performance when running multiple apps simultaneously.
Camera
Rear Camera50MP Main, 8MP Wide, 2MP Macro50MP Main, 50MP WideBoth have high-resolution main sensors, but the vivo V40 offers a higher resolution ultra-wide lens, potentially capturing more detail in wide shots.
Front Camera8MP50MPThe vivo V40 has a much higher resolution front-facing camera, enabling significantly better selfie quality.
Video Recording1080p@30fps4K@30fps with OIS, EISThe vivo V40 can record video at a higher resolution and features optical image stabilization (OIS) for smoother, less shaky footage.
Battery
Capacity (mAh)50005500The vivo V40 has a slightly larger battery capacity, potentially offering longer battery life. However, real-world battery life depends on many factors including display usage and processing demands.

2. Key Differences Analysis

Xiaomi Redmi 12 Advantages:

  • Lower Price: Significantly more affordable.

vivo V40 Advantages:

  • Superior Performance: Significantly faster processor, GPU, and more RAM.
  • Better Display: AMOLED with higher resolution, refresh rate, HDR support, and dramatically brighter.
  • Enhanced Camera: Higher resolution front and ultra-wide cameras, 4K video recording with OIS.
  • Larger Battery: Slightly larger capacity for potentially longer battery life.
  • More Modern Connectivity: Bluetooth 5.4 and WiFi 6 (802.11ax) support future-proofs the device.

3. User Profiles & Recommendations

Xiaomi Redmi 12: Budget-conscious users who prioritize basic functionality for everyday tasks like calling, texting, browsing, and social media.

vivo V40: Users who demand high performance for gaming, demanding apps, and multimedia consumption. Photography enthusiasts will also appreciate the superior camera system.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The Redmi 12 is significantly more affordable.
  2. What are your primary use cases? For basic tasks, the Redmi 12 is sufficient. For demanding tasks and gaming, the vivo V40 is far superior.
  3. How important is display and camera quality? The vivo V40 offers a dramatically better display and a more advanced camera system.

Scenario-Based Recommendations:

  • Limited Budget: Redmi 12
  • Gaming & Multimedia: vivo V40
  • Photography Enthusiast: vivo V40

My Choice: vivo V40

While the Xiaomi Redmi 12 offers excellent value for its price, the vivo V40 is the clear winner for me. The significantly improved performance, superior display, advanced camera system, and larger battery justify the higher price. The Snapdragon 7 Gen 3 chip ensures a smooth and responsive experience for years to come, the AMOLED display offers vibrant visuals, and the camera system provides greater versatility and quality. The added benefits of more modern connectivity options further solidify the V40 as a future-proof choice. While the price difference is substantial, the V40 offers a substantial upgrade in almost every area, making it a worthwhile investment for a user who values performance and a premium experience.

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
  • Technical storytelling
  • User-centric technology insights

Bridging technical complexity with engaging, accessible narratives.