OnePlus 8T vs Xiaomi Redmi A2 - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 8T
OnePlus 8T
Oneplus

General

Launch Date October 16, 2020 March 24, 2023
Release Year 2020 2023

Physical

Volume 100.03 cm³ 115.25 cm³
Screen Size to Weight Ratio 3.48 "/g 3.4 "/g
Weight 188 g 192 g
Height 160.7 mm 164.9 mm
Width 74.1 mm 76.8 mm
Thickness 8.4 mm 9.1 mm
Foldable Design No No
Available Colors
  • Lunar Silver
  • Aquamarine Green
  • Cyberpunk 2077 Edition
  • Aqua Blue
  • Classic Black
  • Sea Green

Display

Screen Size 6.55 " 6.52 "
Resolution 1080 x 2400 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 87 % 81 %
Pixel Density 402 PPI 269 PPI
Refresh Rate 120 Hz N/A
Typical Brightness N/A 400 nits
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 104.89 mAh/in² 117.62 mAh/in²
Battery Density 44.99 mAh/cm³ 43.39 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes No
Chipset Qualcomm SM8250 Snapdragon 865 5G (7 nm+) Mediatek Helio G36 (12 nm)
CPU Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) Octa-core (4x2.2 GHz Cortex-A53 & 4x1.7 GHz Cortex-A53)
GPU Adreno 650 PowerVR GE8320

Connectivity

USB Version 3.1 2.0
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.1, OTG microUSB 2.0

Software

Operating System Android Android
Initial OS Version 11 12
Maximum OS Version 14

Comparison Summary

1. Specifications Comparison

Design

FeatureOnePlus 8TXiaomi Redmi A2Practical Impact
Dimensions160.7 × 74.1 × 8.4 mm164.9 × 76.8 × 9.1 mmRedmi A2 is slightly larger and thicker, potentially less comfortable for one-handed use.
Weight188g192gNegligible difference in weight.
BuildCorning Gorilla Glass 5 (screen)Unknown (screen)OnePlus 8T screen is more resistant to scratches and drops.

Display

FeatureOnePlus 8TXiaomi Redmi A2Practical Impact
Size6.55"6.52"Virtually identical screen size.
Resolution1080x2400720x1600OnePlus 8T displays significantly sharper images and text. Better for reading, watching videos, and gaming.
PPI402269Noticeably clearer and more detailed visuals on the OnePlus 8T.
TechnologyAMOLEDIPS LCDOnePlus 8T offers deeper blacks, higher contrast, and more vibrant colors. More pleasant viewing experience, especially in dark environments.
Refresh Rate120Hz60HzSmoother scrolling, animations, and gaming experience on the OnePlus 8T. Reduces motion blur.
Brightness1100 nits0 nitsThe OnePlus 8T is significantly brighter and more usable outdoors in sunlight. Brightness specification for the Redmi A2 is missing.

Performance

FeatureOnePlus 8TXiaomi Redmi A2Practical Impact
ChipsetQualcomm Snapdragon 865 5G (7 nm+)Mediatek Helio G36 (12 nm)OnePlus 8T offers significantly faster app loading, smoother multitasking, and better gaming performance.
AnTuTu Score744,900127,000Substantially better overall performance on the OnePlus 8T.
GPUAdreno 650PowerVR GE8320The Adreno 650 in the OnePlus 8T delivers significantly better graphics performance for gaming and video editing.
RAM8 GB or 12 GB2 GB or 3 GB or 4 GBThe OnePlus 8T can handle many more apps running simultaneously without slowing down.

Camera

FeatureOnePlus 8TXiaomi Redmi A2Practical Impact
Main Camera48MP, f/1.78MP, f/2.0OnePlus 8T captures more detailed photos, especially in low light. Wider aperture allows more light, improving image quality.
Selfie Camera16MP, f/2.45MP, f/2.2Sharper and more detailed selfies with the OnePlus 8T.
Wide Angle Lens16MPNoneOnePlus 8T can capture wider scenes, useful for landscapes and group photos.
Macro Lens5MPNoneOnePlus 8T can take close-up photos of small objects.
Black & White Lens2MPNoneThe OnePlus 8T can enhance black and white photography.
VideoUp to 4K@60fpsUp to 1080p@30fpsOnePlus 8T records higher resolution videos with better detail and smoother motion.
FeaturesOIS, 4K Video, Night Mode, RAWPanorama, HDROnePlus 8T has more advanced camera features, like optical image stabilization, Night Mode and RAW capture, for better image quality and versatility.

Battery

FeatureOnePlus 8TXiaomi Redmi A2Practical Impact
Capacity4500mAh5000mAhXiaomi Redmi A2 likely offers longer battery life.
Charging65W Fast Charging10W Fast ChargingOnePlus 8T charges significantly faster, reducing downtime.

Software

FeatureOnePlus 8TXiaomi Redmi A2Practical Impact
OSAndroid 11 (upgradable to 14)Android 12Newer out-of-box experience and potentially longer update support on Redmi A2.

Connectivity

FeatureOnePlus 8TXiaomi Redmi A2Practical Impact
WiFiWi-Fi 6802.11nFaster and more reliable Wi-Fi connectivity on the OnePlus 8T.
Bluetooth5.15.0Slightly newer Bluetooth version on the OnePlus 8T.
GPSMore satellite systemsFewer satellite systemsMore accurate and faster GPS lock-on with the OnePlus 8T.

Storage

FeatureOnePlus 8TXiaomi Redmi A2Practical Impact
Internal128 GB or 256 GB32 GB or 64 GBMore storage for apps, photos, and videos on the OnePlus 8T.
ExpandableNoNoNo option to increase storage on either phone.

2. Key Differences Analysis

OnePlus 8T Advantages:

  • Superior Performance: Much faster processor and GPU for smoother multitasking and gaming.
  • Significantly Better Display: Higher resolution, AMOLED technology, and 120Hz refresh rate provide a vastly superior viewing experience.
  • Advanced Camera System: Higher resolution sensors, more lenses (wide-angle, macro), OIS, and 4K video recording offer greater versatility and image quality.
  • Faster Charging: 65W charging significantly reduces charging time.
  • Better Connectivity: Wi-Fi 6 and more GPS satellite support for faster and more reliable connections.
  • Better Audio: Stereo speakers and Dolby Atmos support

Practical Implications:

  • The OnePlus 8T is suitable for demanding users who need a phone for gaming, content creation, and media consumption.
  • The superior display of the OnePlus 8T makes it much more enjoyable for watching videos and browsing the web.
  • The faster charging of the OnePlus 8T is convenient for users who are always on the go.

Xiaomi Redmi A2 Advantages:

  • Larger Battery: Offers potentially longer battery life.
  • Newer Android Version (at launch): Might receive slightly longer support from the manufacturer.

Practical Implications:

  • The Redmi A2 is suitable for users who prioritize battery life above all else and do not need a powerful phone.

Trade-offs:

  • The OnePlus 8T sacrifices some battery capacity for significantly faster performance, a better display, and a more advanced camera.
  • The Redmi A2 prioritizes battery life and affordability over performance and features.

3. User Profiles & Recommendations

OnePlus 8T:

  • Ideal User: Gamers, content creators, media consumers, users who value performance and display quality.
  • Use Cases:
    • Playing demanding mobile games
    • Recording high-quality videos
    • Watching movies and TV shows
    • Multitasking between multiple apps
  • Price-to-Value: High value if performance and features are a priority.

Xiaomi Redmi A2:

  • Ideal User: Budget-conscious users who need a basic smartphone for calls, texts, and light social media use.
  • Use Cases:
    • Basic communication
    • Light web browsing
    • Long battery life is a priority
  • Price-to-Value: Good value for its extremely low price point.

4. Decision Framework

Key Questions:

  1. What is your budget? The Redmi A2 is significantly cheaper.
  2. How important is performance to you? The OnePlus 8T is much faster.
  3. What do you value most in a phone? (e.g., battery life, camera quality, display)

Scenario-Based Recommendations:

  • Scenario 1: Mobile Gamer: Choose the OnePlus 8T for its superior performance, display, and gaming features.
  • Scenario 2: Budget-Conscious User: Choose the Redmi A2 if you only need basic smartphone functionality and prioritize long battery life.
  • Scenario 3: Photography Enthusiast: Choose the OnePlus 8T for its significantly better camera system and features.
  • Scenario 4: Media Consumer: Choose the OnePlus 8T for its superior display and audio quality.

My Choice

I would choose the OnePlus 8T.

Why?

Even though it is an older device, the performance gap between the OnePlus 8T and the Xiaomi Redmi A2 is enormous. As someone who uses their phone for a variety of tasks, including some light gaming, occasional photo and video capture, and frequent media consumption, the OnePlus 8T's superior processor, excellent display, and versatile camera system are much more valuable to me than the potentially longer battery life of the Redmi A2. The faster charging on the OnePlus 8T also mitigates concerns about battery life to some extent. For my usage patterns, the enhanced user experience offered by the OnePlus 8T is well worth the likely higher cost (depending on current pricing).

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.