Microsoft Lumia 640 LTE vs Microsoft Surface Duo 2 Comparison
Detailed specs comparison: display, processor, camera, battery and price
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Microsoft Lumia 640 LTE
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Display
Type
IPS_LCD
AMOLED
Size
5"
8.3"
Resolution
HD+
QHD+
Refresh Rate
—
90Hz
Brightness
—
800 nits
Protection
Corning Gorilla Glass 3
Corning Gorilla Glass Victus
Platform
OS
WINDOWS Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
ANDROID Android 11
Chipset
Qualcomm MSM8926 Snapdragon 400
Qualcomm SM8350 Snapdragon 888 5G
CPU
Quad-core 1.2 GHz Cortex-A7
Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU
Adreno 305
Adreno 660
AnTuTu Score
—
—
Memory
RAM
1GB
8GB
Storage
8GB
128GB / 256GB / 512GB
Storage Type
eMMC 4.5
—
Card Slot
Yes
No
Camera
Main Camera
8MP f/2.2
12MP f/1.7
Selfie Camera
1MP
12MP f/2.0
Video (Max)
1080p@30fps
4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR
OIS
No
Yes
Battery
Capacity
2,500 mAh
4,449 mAh
Wired Charging
—
23W
Wireless Charging
—
—
Fast Charging
—
—
Connectivity
Wi-Fi
Wi-Fi 4
Wi-Fi 6, Wi-Fi 5, Wi-Fi 4, Dual-band
Bluetooth
4.0
5.1
NFC
Yes
Yes
5G
No
Yes
USB
microUSB 2.0
USB Type-C 3.2
GPS
GPS, GLONASS, BeiDou
GPS, GLONASS, BeiDou, Galileo, QZSS
Body
Dimensions
141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
Unfolded: 184.5 x 145.2 x 5.5 mm
Folded: 145.2 x 92.1 x 11 mm
Weight
145g
284g
Build
—
Glass (Gorilla Glass Victus) / glass back
Water Resist
—
—
Colors
Glossy cyan, Orange, White, Matte black
Glacier, Obsidian
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