Xiaomi 12X vs Oppo A77 - Detailed Phone Comparison

Detailed Comparison

Specification
Xiaomi 12X
Xiaomi 12X
Xiaomi
Oppo A77
Oppo A77
Oppo

General

Launch Date December 31, 2021 June 10, 2022
Release Year 2021 2022

Physical

Volume 87.52 cm³ 98.41 cm³
Screen Size to Weight Ratio 3.57 "/g 3.45 "/g
Weight 176 g 190 g
Height 152.7 mm 163.8 mm
Width 69.9 mm 75.1 mm
Thickness 8.2 mm 8 mm
Foldable Design No No
Available Colors
  • Blue
  • Purple
  • Gray
  • Midnight Black
  • Ocean Blue

Display

Screen Size 6.28 " 6.56 "
Resolution 1080 x 2400 720 x 1612
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.2 % 84 %
Pixel Density 419 PPI 269 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A 480 nits
HBM Brightness N/A 600 nits
Peak Brightness 1100 nits N/A

Hardware

Battery Capacity per Screen Area 114.10 mAh/in² 116.19 mAh/in²
Battery Density 51.41 mAh/cm³ 50.81 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) Mediatek Dimensity 810 (6 nm)
CPU Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 650 Mali-G57 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 11 12
Maximum OS Version 14

Comparison Summary

Alright, let's dive into a head-to-head comparison of the Xiaomi 12X and the Oppo A77. As usual, we'll look beyond the spec sheets and focus on what these differences mean for your day-to-day use.

1. Specifications Breakdown

Here's a detailed breakdown of key specifications, along with their real-world implications:

FeatureXiaomi 12XOppo A77Real-World Implications
Design
Dimensions152.7 x 69.9 x 8.2 mm163.8 x 75.1 x 8 mmThe Xiaomi 12X is more compact and pocketable, while the Oppo A77 is larger.
Weight176g190gThe Xiaomi 12X feels noticeably lighter, improving comfort during prolonged use.
Display
Size6.28"6.56"The Oppo A77 provides a slightly larger viewing area, but the Xiaomi 12X's display quality is far superior.
Resolution1080 x 2400720 x 1612The Xiaomi 12X has a much sharper display, with significantly more detail for text, images, and videos.
PPI419269The Xiaomi 12X offers a crisper and more detailed image, especially noticeable when reading text or looking at fine details.
TechnologyAMOLEDIPS LCDThe Xiaomi 12X's AMOLED screen produces richer colors, deeper blacks, and better contrast, making media consumption more immersive.
Refresh Rate120Hz90HzThe Xiaomi 12X has smoother animations and scrolling, creating a more fluid user experience, especially in games and fast-paced content.
Brightness1100 nits0 nitsThe Xiaomi 12X's significantly higher brightness ensures superior visibility in outdoor, sunny conditions. The Oppo A77's brightness is not listed, so it is assumed to be lower than the 1100 nits of the Xiaomi 12X.
Performance
ChipsetSnapdragon 870Dimensity 810The Xiaomi 12X has significantly more processing power for demanding tasks, gaming, and overall responsiveness.
AnTuTu Score815,21042,000The Xiaomi 12X delivers far superior performance in benchmarks. This translates to faster loading times, smoother multitasking, and better gaming experiences.
GPUAdreno 650Mali-G57 MC2The Xiaomi 12X's GPU provides higher graphical capabilities for gaming and graphics-intensive apps.
Camera
Main Camera50MP (f/1.88)13MP (f/2.2)The Xiaomi 12X captures far more detailed and higher-quality photos, especially in low light, thanks to its larger sensor and wider aperture.
Selfie Camera32MP (f/2.45)16MP (f/2.0)The Xiaomi 12X's selfie camera captures finer details, whereas the Oppo A77's wider aperture might improve low-light performance.
Wide Angle lens13MP (f/2.4)N/AThe Xiaomi 12X has a dedicated ultrawide camera, allowing for greater flexibility in capturing varied perspectives.
Macro Lens5MP (f/2.4)N/AThe Xiaomi 12X has a dedicated macro lens for detailed close-up photos.
VideoUp to 8K @ 24fps1080p @ 30fpsThe Xiaomi 12X offers professional-grade video recording capabilities, including 8K resolution and multiple slow-motion options.
Battery Life
Capacity4500mAh3200mAhThe Xiaomi 12X's larger battery likely offers longer usage per charge, though actual battery life will vary based on usage.
Charging67W Fast ChargingNo Fast Charging listedThe Xiaomi 12X charges much faster, making it more convenient for users.
Software
OSAndroid 11Android 12The Oppo A77 has a newer OS out of the box.
Connectivity
Wi-FiWiFi 6Wi-Fi 5The Xiaomi 12X has faster and more reliable Wi-Fi connectivity for downloads, streaming, and online gaming.
Bluetooth5.14.1The Xiaomi 12X has a more modern Bluetooth version for better audio quality, and more efficient connection with modern peripherals.
GPSAdvanced Multi-bandBasic GPSThe Xiaomi 12X has more precise and accurate location tracking using more satellite networks.
Storage
Internal128/256 GB32/64 GBThe Xiaomi 12X offers much more storage capacity for apps, photos, videos, and files.
RAM8/12 GB3/4 GBThe Xiaomi 12X offers significantly more RAM for smoother multitasking, demanding apps and gaming.
Audio
QualityDolby Atmos, Hi-Res AudioBasic audio featuresThe Xiaomi 12X has enhanced sound quality through its stereo speakers, Dolby Atmos and Hi-Res Audio features.
Security
FingerprintBasic in-displaySide-mountedThe Oppo A77 offers a more convenient fingerprint reader mounted on the side of the phone.
Build Quality
Screen ProtectionGorilla Glass VictusGorilla Glass 5The Xiaomi 12X has better screen protection against scratches and drops.

2. Key Insights

  • Xiaomi 12X Strengths: The Xiaomi 12X is a clear winner when it comes to raw performance, display quality, camera capabilities, and battery charging speed. Its powerful processor and high refresh rate screen makes it a great option for gaming, while its advanced camera setup makes it a better option for content creators. It offers a superior overall experience.
  • Oppo A77 Strengths: The Oppo A77 is newer and uses Android 12 out of the box, which makes it a more modern phone in terms of software. It's a basic smartphone that does the job for basic tasks. Its larger size might be more appealing for those who prioritize a bigger screen.
  • Trade-offs: The Xiaomi 12X is the clear winner on most of the metrics, but that also means that it will come at a higher price point. The Oppo A77, on the other hand, will likely be offered at a significantly more affordable price.

3. User Profiles and Recommendations

  • Xiaomi 12X:

    • Ideal for: Users who prioritize performance, high-quality media consumption, photography, and gaming, and are willing to pay more for a premium experience.
    • Use Cases: High-end mobile gaming, professional photography, watching high-resolution video content, demanding multitasking.
  • Oppo A77:

    • Ideal for: Budget-conscious users looking for a basic, reliable device for daily tasks. Users who appreciate a larger screen and don't require high performance.
    • Use Cases: Everyday communication, web browsing, casual social media use, and those with simpler needs.

4. Buying Decision Framework

Here are three questions to help you decide:

  1. What are your primary needs in a smartphone? If you prioritize raw performance, camera quality, and display, the Xiaomi 12X is the better choice. If you just need a basic phone and want to save some money, the Oppo A77 will do the job.
  2. How important is display quality to you? If you value a high-quality display with deep blacks, vibrant colors, high resolution and brightness, the Xiaomi 12X's AMOLED screen will be significantly more enjoyable. If you don't care too much about this, the LCD of the Oppo A77 might be sufficient.
  3. What's your budget? If money is a big factor, the Oppo A77 will be more affordable. However, If you can afford to spend more, the Xiaomi 12X offers a much better user experience and should be more future-proof.

Scenario-Based Recommendations

  • Scenario 1: Budget-Conscious User: If your primary concern is affordability and you need a basic phone for daily tasks, the Oppo A77 is a reasonable choice. You can enjoy a large screen and reliable performance.
  • Scenario 2: Gaming Enthusiast: If you're a serious mobile gamer, the Xiaomi 12X is clearly the better option due to its high refresh rate, powerful processor, and dedicated GPU.
  • Scenario 3: Photography Lover: If capturing high-quality photos and videos is essential, the Xiaomi 12X's advanced camera setup, higher resolution, wider aperture, and additional lenses make it the superior choice.

My Choice

If I had to choose, I would undoubtedly pick the Xiaomi 12X. While the Oppo A77 might be tempting for its lower price, the Xiaomi 12X offers a significantly better user experience. I value performance, especially for gaming and multitasking, and the display on the Xiaomi 12X is simply stunning. The AMOLED screen and higher refresh rate make media consumption much more enjoyable, and the camera capabilities provide a lot of creative possibilities. The battery, with 67W fast charging, is just the cherry on top, making it a much more versatile and enjoyable phone overall. While the A77 is a solid device for basic tasks, it is simply not in the same league as the Xiaomi 12X, and that makes it a clear winner for me.

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.