Microsoft Surface Duo 2
#664
vivo S9
#1379Category Breakdown
Microsoft Surface Duo 2
vivo S9
Performance
90.189.1
Camera
86.891.0
Display
87.785.2
Battery
30.228.1
Build
81.90.2
Connectivity
87.682.4
Audio
87.68.9
Overall
72.559.2
Summary
- The Microsoft Surface Duo 2 features a unique dual-screen design with a sturdy build using Gorilla Glass, while the vivo S9 has a more traditional single-screen design with a lighter weight.
- The Surface Duo 2 offers an 8.3-inch AMOLED display with a higher resolution and pixel density compared to the 6.44-inch AMOLED display of the vivo S9.
- In terms of performance, the Surface Duo 2 is powered by the Snapdragon 888, providing superior processing capabilities over the MediaTek Dimensity 1100 in the vivo S9.
- The camera system on the vivo S9 is more advanced with a 64 MP main sensor, compared to the Surface Duo 2's 12 MP setup, although both have optical image stabilization.
- Battery capacity is higher in the Surface Duo 2 at 4449 mAh, but the vivo S9 supports faster charging at 33W.
- Both devices run on Android 11, but the Surface Duo 2 offers a more versatile software experience due to its dual-screen capabilities.
Side-by-side Specification Comparison
Microsoft Surface Duo 2
vivo S9
General
Release Date
2021, September 22
2021, March 03
Announced
2021, September 22
2021, March 03
Description
N/A
N/A
Display
Size
8.3"
6.44"
Type
AMOLED, 90Hz, HDR, 800 nits (peak)
AMOLED, 90Hz, HDR10+
Resolution
1892 x 2688 pixels (~401 ppi density)
1080 x 2400 pixels, 20:9 ratio (~409 ppi density)
PPI
1892
1080
Refresh Rate
90Hz
90Hz
HDR Support
✓
✓
Protection
Corning Gorilla Glass Victus
N/A
Performance
Chipset
Qualcomm SM8350 Snapdragon 888 5G (5 nm)
Mediatek Dimensity 1100 (6 nm)
CPU
Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
Adreno 660
Mali-G77 MC9
Memory
128GB 8GB RAM, 256GB 8GB RAM, 512GB 8GB RAM
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Expandable Storage
✗
✗
Card Slot
No
No
Camera
Main Camera
12 MP, f/1.7, 27mm (wide), 1.4µm, dual pixel PDAF, OIS12 MP, f/2.4, 51mm (telephoto), 1.0µm, PDAF, OIS, 2x optical zoom16 MP, f/2.2, 13mm (ultrawide), 1.0µmTOF 3D, (depth)
64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF, OIS8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm2 MP, f/2.4, (depth)
Main Camera Features
Dual-LED dual-tone flash, HDR, panorama
Dual-LED dual-tone flash, HDR, panorama
Front Camera
12 MP, f/2.0, 24mm (wide), 1.0µm
N/A
Front Camera Features
N/A
HDR
Video Recording
4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR
4K@30fps, 1080p@30fps, gyro-EIS
Selfie Video
1080p@30fps
4K@30fps, 1080p@30fps
Optical Stabilization
✓
✓
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
4449 mAh
4000 mAh
Battery Details
Li-Po 4449 mAh
4000 mAh
Charging Details
23W wired
33W wired, 66% in 30 min
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
Unfolded: 184.5 x 145.2 x 5.5 mmFolded: 145.2 x 92.1 x 11 mm
158.4 x 73.9 x 7.4 mm (6.24 x 2.91 x 0.29 in)
Weight
284 g
173 g
Materials
Glass front (Gorilla Glass Victus), glass back (Gorilla Glass)
N/A
Colors
Glacier, Obsidian
Black, White, Gradient Blue
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM +eSIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE / 5G
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Network Speed
HSPA 42.2/5.76 Mbps, LTE (5CA) Cat20 2000/150 Mbps, 5G 6 Gbps DL
HSPA, LTE, 5G
5G
✓
✓
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.1, A2DP, LE, aptX Adaptive
5.2, A2DP, LE, aptX HD
NFC
✓
✓
USB
USB Type-C 3.2, DisplayPort
USB Type-C, OTG
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO, QZSS, BDS
GPS, GLONASS, GALILEO, BDS
Audio
Stereo Speakers
✓
✗
Loudspeaker
Yes, with stereo speakers
Yes
Audio Jack
No
No
Software & Security
Operating System
Android 11
Android 11, OriginOS 1.0
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), dual accelerometer, dual gyro, dual proximity, dual compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass