Microsoft Surface Duo
#1398
Xiaomi Mi Mix 3 5G
#1074Category Breakdown
Microsoft Surface Duo
Xiaomi Mi Mix 3 5G
Performance
88.783.5
Camera
69.397.4
Display
81.983.7
Battery
26.827.1
Build
80.481.8
Connectivity
56.882.9
Audio
8.98.9
Overall
58.963.5
Summary
- The Microsoft Surface Duo features a unique dual-screen design with an 8.1-inch AMOLED display, offering a higher resolution of 1800 x 2700 pixels, while the Xiaomi Mi Mix 3 5G has a 6.39-inch Super AMOLED display with HDR support and a resolution of 1080 x 2340 pixels.
- Both devices utilize the Snapdragon 855 chipset, but the Surface Duo has options for 128GB or 256GB of storage, whereas the Mi Mix 3 5G offers 64GB or 128GB.
- In terms of camera capabilities, the Mi Mix 3 5G has a dual rear camera setup with 12 MP sensors and optical image stabilization, compared to the Surface Duo's single 11 MP camera without OIS.
- The Mi Mix 3 5G also has a larger 3800mAh battery compared to the Surface Duo's 3577mAh, both supporting 18W charging.
- The Surface Duo runs on Android 10, upgradable to Android 12, while the Mi Mix 3 5G operates on Android 9.0 with MIUI 12, providing different software experiences.
- Build quality is robust for both, with the Surface Duo using Gorilla Glass 5 for both front and back, while the Mi Mix 3 5G combines Gorilla Glass 5 with a ceramic back and aluminum frame.
Side-by-side Specification Comparison
Microsoft Surface Duo
Xiaomi Mi Mix 3 5G
General
Release Date
2020, August 12
2019
Announced
2020, August 12
2019
Description
N/A
Also available with 4G/LTE only
Display
Size
8.1"
6.39"
Type
AMOLED
Super AMOLED, HDR
Resolution
1800 x 2700 pixels, 3:2 ratio (~401 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
PPI
1800
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✓
Protection
Corning Gorilla Glass 5
Corning Gorilla Glass 5
Performance
Chipset
Qualcomm SM8150 Snapdragon 855 (7 nm)
Qualcomm SM8150 Snapdragon 855 (7 nm)
CPU
Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
GPU
Adreno 640
Adreno 640
Memory
128GB 6GB RAM, 256GB 6GB RAM
64GB 6GB RAM, 128GB 6GB RAM
Expandable Storage
✗
✗
Card Slot
No
No
Camera
Main Camera
11 MP, f/2.0, 23mm (wide), 1.0µm, PDAF
12 MP (wide), f/1.8, 1/2.55", 1.4µm, dual pixel PDAF, 4-axis OIS12 MP (telephoto), 1/3.4", 1.0µm
Main Camera Features
HDR, panorama
LED flash, HDR, panorama
Front Camera
Uses main camera
N/A
Front Camera Features
HDR, panorama
LED flash, HDR
Video Recording
4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR
4K@30/60fps, 1080p@30/60/240fps, 1080p@960fps; gyro-EIS
Selfie Video
4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR
1080p@30fps
Optical Stabilization
✗
✓
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3577 mAh
3800 mAh
Battery Details
Li-Po 3577 mAh
Li-Po 3800 mAh, non-removable
Charging Details
18W wired
18W wired, QC4
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
Unfolded: 186.9 x 145.2 x 4.8 mmFolded: 145.2 x 93.3 x 9.9 mm
157.9 x 74.7 x 9.4 mm (6.22 x 2.94 x 0.37 in)
Weight
250 g
225 g
Materials
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5)
Glass front (Gorilla Glass 5), ceramic back, aluminum frame (7000 series)
Colors
White
Sapphire Blue
Foldable
✗
✗
SAR
N/A
1.56 W/kg (head) 1.58 W/kg (body)
Connectivity
SIM
Nano-SIM +eSIM
Nano-SIM
Network
GSM / HSPA / LTE
GSM / CDMA / HSPA / EVDO / LTE / 5G
Network Speed
HSPA 42.2/5.76 Mbps, LTE (CA) Cat18 1200/150 Mbps
HSPA 42.2/5.76 Mbps, LTE (5CA) Cat18 1200/150 Mbps, 5G (2+ Gbps DL)
5G
✗
✓
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE, aptX Adaptive
5.0, A2DP, LE, aptX HD
NFC
✗
✓
USB
USB Type-C 3.1
USB Type-C
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
GPS
GPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a), QZSS (L1+L5)
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
No
No
Software & Security
Operating System
Android 10, upgradable to Android 12
Android 9.0 (Pie), MIUI 12
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), dual accelerometer, dual gyro, proximity, dual compass
Fingerprint (rear-mounted), accelerometer, gyro, compass