Xiaomi 12 vs Oppo Reno12 - Detailed Phone Comparison

Detailed Comparison

Specification
Xiaomi 12
Xiaomi 12
Xiaomi

General

Launch Date December 31, 2021 June 25, 2024
Release Year 2021 2024

Physical

Volume 87.52 cm³ 90.89 cm³
Screen Size to Weight Ratio 3.51 "/g 3.79 "/g
Weight 179 g 177 g
Height 152.7 mm 161.4 mm
Width 69.9 mm 74.1 mm
Thickness 8.2 mm 7.6 mm
Foldable Design No No
Available Colors
  • Blue
  • Green
  • Purple
  • Gray
  • Matte Brown
  • Sunset Pink
  • Astro Silver

Display

Screen Size 6.28 " 6.7 "
Resolution 1080 x 2400 1080 x 2412
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.2 % 90.3 %
Pixel Density 419 PPI 394 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 1100 nits 1200 nits

Hardware

Battery Capacity per Screen Area 114.10 mAh/in² 111.38 mAh/in²
Battery Density 51.41 mAh/cm³ 55.01 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm) Mediatek Dimensity 7300 Energy (4 nm)
CPU Octa-core (1x3.00 GHz Cortex-X2 & 3x2.50 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Adreno 730 Mali-G615 MC2

Connectivity

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

Software

Operating System Android Android
Initial OS Version 12 14
Maximum OS Version 17

Comparison Summary

Alright, let's dive into a head-to-head comparison of the Xiaomi 12 and the Oppo Reno12. I've got my engineering hat on and I'm ready to translate these specs into real-world experiences for you.

1. Specifications Breakdown

Here's a detailed look at how these two phones stack up, presented in a way that's not just about the numbers, but about what they mean for you:

FeatureXiaomi 12Oppo Reno12Real-World Implications
Design
Launch Date2021-12-312024-06-25The Oppo Reno12 is significantly newer, benefiting from recent technology advancements.
Physical Size152.7 x 69.9 x 8.2 mm161.4 x 74.1 x 7.6 mmXiaomi 12 is more compact and pocketable, while the Reno12 offers a larger screen at the expense of being taller and wider, and slimmer.
Weight179g177gBoth are very light phones, making them comfortable for long-term use.
Display
Size6.28"6.7"Oppo Reno12’s larger screen is better for media consumption, gaming, and multitasking. The Xiaomi 12 is better for one-handed operation.
Resolution1080 x 24001080 x 2412Both phones have crisp, high-definition displays. The difference in resolution is negligible.
Pixel Density (PPI)419394Xiaomi 12 has a slightly sharper display, which could be noticeable for detailed text and image viewing.
TechnologyAMOLEDAMOLEDBoth provide vibrant colors, deep blacks, and excellent contrast.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations, ideal for gaming and daily use.
Brightness1100 nits1400 nitsOppo Reno12 has much better outdoor visibility in bright sunlight.
Performance
ChipsetQualcomm Snapdragon 8 Gen 1 (4 nm)MediaTek Dimensity 7300 Energy (4 nm)Xiaomi 12 has a more powerful flagship processor, resulting in faster app loading and superior performance, particularly in demanding tasks.
AnTuTu Score1,150,831702,140The Xiaomi 12 significantly outperforms the Oppo Reno12 in benchmarks, indicating higher performance and smoother experience across the board.
GPUAdreno 730Mali-G615 MC2Xiaomi 12 has the superior GPU, leading to better gaming and graphics-intensive application performance.
Camera
Main Camera Resolution50MP50MPBoth offer high-resolution shots, but their sensor tech differs significantly.
Main Camera Sensor Size1/1.56" (Sony IMX766)1/2" (Sony LYT-600)Xiaomi 12 has a larger sensor, typically meaning better light capture and better low-light performance.
Main Camera Aperturef/1.88f/1.8Oppo Reno12 has a wider aperture, potentially allowing more light to enter the sensor in low-light situations.
Main Camera Pixel Size1.00 µm0.70 µmXiaomi 12 has larger pixels resulting in superior low light performance
Selfie Camera32MP32MPBoth phones provide high-resolution selfies.
Wide Angle Lens Resolution13MP8MPXiaomi 12 has higher resolution wide angle lens, resulting in more detail.
Wide Angle Lens Aperturef/2.4f/2.2Oppo Reno 12 allows slightly more light into the wide angle lens.
Macro Lens Resolution5MP2MPXiaomi 12’s macro lens captures more detailed close-up shots.
Video ResolutionUp to 8K@24fps with HDR, EISUp to 4K@30fps with HDR, OIS, EISXiaomi 12 is capable of capturing high-resolution 8K videos, whereas Reno 12 is limited to 4K. Both offer stabilization for smooth video.
DxOMark Mobile Score113-The Xiaomi 12's DxOMark score indicates superior camera quality compared to Oppo Reno12, especially in video capture.
Battery Life
Capacity4500 mAh5000 mAhOppo Reno12 has a larger battery, likely offering longer battery life on a single charge.
Charging67W Fast Charging80W Fast ChargingOppo Reno12 charges faster, enabling less downtime while plugged in.
Wireless Charging50W Fast wireless chargingNot SupportedXiaomi 12 supports wireless charging which is faster than most wireless charging systems.
Reverse Charging10W Reverse chargingNot SupportedXiaomi 12 allows you to charge other devices with your phone
Software
OSAndroid 12Android 14Oppo Reno12 has a newer OS which often translates to security updates and improved performance.
Max Android VersionNot specified17Oppo Reno12's more modern OS provides more future support for version updates
Connectivity
BluetoothBluetooth 5.2Bluetooth 5.4Oppo Reno12 supports the latest Bluetooth version, offering a slight improvement to power and stability.
GPSA-GPS, GLONASS, Beidou, QZSS, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5)A-GPS, GLONASS, Beidou, QZSS, GalileoXiaomi 12 supports more satellite systems for higher location accuracy.
Storage
Internal Storage128 GB or 256 GB256 GB or 512 GBOppo Reno12 offers greater storage space, especially useful for users who store lots of media or large games.
RAM8 GB or 12 GB12 GB or 16 GBOppo Reno12 offers larger RAM options, which allows for smoother multitasking and running resource intensive apps.
Expandable StorageNot SupportedNot SupportedNeither phone has expandable storage, but the Reno12 offers larger internal options.
Audio
Audio QualityDolby Atmos, Hi-Res Audio, Stereo SpeakersBasic audio featuresXiaomi 12 offers better spatial audio and higher quality audio playback for better immersion.
Security
Fingerprint SensorBasic fingerprint sensorBasic fingerprint sensorBoth provide basic fingerprint sensors to secure the devices.
Build Quality
Screen ProtectionCorning Gorilla Glass VictusCorning Gorilla Glass Victus 2Both phones use durable glass, however, the Oppo Reno12 has a slightly updated version of it.
Sensors
SensorsBiometric: Fingerprint; Motion: Accelerometer, Compass, Gyroscope; Proximity: Ultrasonic proximity virtualBiometric: Fingerprint; Proximity: Proximity; Motion: Accelerometer, GyroscopeThe Xiaomi 12 has more sensors allowing for more capabilities such as an E-compass.

2. Key Insights

Xiaomi 12: The Performance Powerhouse

  • Strengths: The Xiaomi 12 is a performance beast, boasting a flagship-level Snapdragon processor, a higher benchmark score, a larger camera sensor with larger pixel size, and a better GPU. It also offers 8K video recording, 50W fast wireless charging, and high quality audio features. It's the clear winner for gamers, power users, and content creators.
  • Competitive Advantages: Superior raw processing power, higher camera quality due to a large sensor, higher resolution video, advanced audio features, and the inclusion of wireless charging.
  • Trade-offs: It's an older model, so it runs an older Android version, and has a smaller screen and battery compared to the Oppo Reno12.

Oppo Reno12: The Well-Rounded All-Rounder

  • Strengths: The Reno12 stands out with its larger display, better outdoor brightness, superior battery life due to the larger battery and more efficient chipset, and faster wired charging. The newer Android version also brings a more refined software experience and better long term support.
  • Competitive Advantages: Larger screen, newer Android OS, and superior battery life make it an all rounder and a great choice for average users.
  • Trade-offs: It falls behind in performance, camera sensor size, GPU power, and video recording capabilities.

3. User Profiles and Recommendations

Xiaomi 12 is Best For:

  • Gamers: The powerful Snapdragon chipset and Adreno GPU make it ideal for heavy gaming.
  • Content Creators: Its 8K video capabilities, high camera scores, and wireless charging support are excellent for producing high-quality content.
  • Power Users: Those who want top-notch performance for multitasking and demanding applications.
  • Audiophiles: Users who require enhanced spatial audio, and higher quality audio playback.
  • Those who prefer smaller phones: The smaller size is ideal for those who value one-hand operation.

Oppo Reno12 is Best For:

  • Everyday Users: A solid performer for daily tasks with a large screen for enjoyable media consumption and a great battery life.
  • Frequent Travelers: Its reliable battery and brighter display are beneficial for long days on the go.
  • Those seeking the latest software experience: Running Android 14, it provides a modern OS experience with long term support.
  • Media Consumers: Those who love watching movies, TV, or playing casual games would benefit from the large screen and bright display.

4. Buying Decision Framework

Here are three questions to guide your decision:

  1. What's your main priority: Raw power or all round experience?
    • If raw power is key, go for the Xiaomi 12.
    • If the all round experience is your goal, then the Oppo Reno12 would be preferable.
  2. Do you heavily rely on your camera, or is battery life more important to you?
    • If camera quality is vital, the Xiaomi 12 is better with higher quality photos and video.
    • If you need long battery life, go with the Oppo Reno12, which also has faster charging.
  3. What screen size and form factor do you prefer?
    • If you like compact phones, the Xiaomi 12 is a great option.
    • If you like larger screens for watching content or gaming, the Oppo Reno12 is the winner here.

Scenario-Based Recommendations:

  • Scenario 1: Mobile Gamer/Content Creator: Go with the Xiaomi 12 for its performance and superior camera capabilities.
  • Scenario 2: Everyday User with a Focus on Battery Life and Long Term Software Support: Choose the Oppo Reno12 for its solid performance and great battery life with a large and bright screen.
  • Scenario 3: Someone looking for the highest camera quality in a compact phone: Choose the Xiaomi 12 for its superior photo and video quality.

Which Would I Choose?

After carefully analyzing both devices, I would choose the Xiaomi 12.

My reasoning is simple: as someone who appreciates raw power and values high-quality camera performance, the Xiaomi 12 aligns perfectly with my needs. I often push my phone to its limits, and the Snapdragon 8 Gen 1, coupled with its better GPU, ensures I can handle demanding tasks and gaming without a hiccup. The 8K video and advanced audio capabilities are also a big plus for someone who likes to dabble in content creation.

While the Oppo Reno12 has a more modern Android OS and a larger display which are appealing, they don't outweigh the core capabilities of the Xiaomi 12. The larger battery of the Reno12 and faster charging are certainly attractive, but I value the Xiaomi 12's advanced feature set including wireless charging, and superior camera technology.

For me, it's all about having a device that delivers top-tier performance and multimedia capabilities, and in that respect, the Xiaomi 12 is the winner. It's a device that matches my needs and usage style more closely.

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.