Screen size
Lumia 950 XL Dual SIM5.7"
Surface Duo 2Winner: 8.3"+31%
Quick verdict
Surface Duo 2 leads the measured specs 15-5.
Measured wins
Lumia 950 XL Dual SIM
5
spec wins
Ties
1
equal specs
Surface Duo 2
15
spec wins
Overall winner
Screen size
Technology
Lumia 950 XL Dual SIM
GSM / HSPA / LTE
Surface Duo 2
GSM / HSPA / LTE / 5G
2G bands
Lumia 950 XL Dual SIM
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Surface Duo 2
GSM 850 / 900 / 1800 / 1900
3G bands
Lumia 950 XL Dual SIM
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Surface Duo 2
HSDPA 850 / 900 / 1900 / 2100
4G bands
Lumia 950 XL Dual SIM
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
NFC
equal specs3.5mm jack
SD card
Stereo speakers
Surface Duo 2
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 42, 46, 48, 66, 71
Speed
Lumia 950 XL Dual SIM
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Surface Duo 2
HSPA 42.2/5.76 Mbps, LTE (5CA) Cat20 2000/150 Mbps, 5G 6 Gbps DL
5G bands
Lumia 950 XL Dual SIM
-
Surface Duo 2
1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79 SA/NSA/Sub6 - International, 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79, 257, 260, 261 SA/NSA/Sub6/mmWave - USA
Announced
Lumia 950 XL Dual SIM
2015, October. Released 2015, December
Surface Duo 2
2021, September 22. Released 2021, October 21
Status
Lumia 950 XL Dual SIM
Discontinued
Surface Duo 2
Discontinued
Dimensions
Lumia 950 XL Dual SIM
151.9 x 78.4 x 8.1 mm (5.98 x 3.09 x 0.32 in)
Surface Duo 2
Unfolded: 184.5 x 145.2 x 5.5 mm Folded: 145.2 x 92.1 x 11 mm
Weight
Lumia 950 XL Dual SIM
165 g (5.82 oz)
Surface Duo 2
284 g (10.02 oz)
SIM
Lumia 950 XL Dual SIM
Nano-SIM + Nano-SIM
Surface Duo 2
Nano-SIM + eSIM
Build
Lumia 950 XL Dual SIM
-
Surface Duo 2
Glass front (Gorilla Glass Victus), glass back (Gorilla Glass)
Other
Lumia 950 XL Dual SIM
-
Surface Duo 2
Stylus support
Type
Lumia 950 XL Dual SIM
AMOLED
Surface Duo 2
AMOLED, 90Hz, HDR, 800 nits (peak)
Size
Lumia 950 XL Dual SIM
5.7 inches, 89.6 cm2 (~75.2% screen-to-body ratio)
Surface Duo 2
8.3 inches, 204.0 cm2 (~152.6% screen-to-body ratio)
Resolution
Lumia 950 XL Dual SIM
1440 x 2560 pixels, 16:9 ratio (~515 ppi density)
Surface Duo 2
1892 x 2688 pixels (~401 ppi density)
Protection
Lumia 950 XL Dual SIM
Corning Gorilla Glass 4
Surface Duo 2
Corning Gorilla Glass Victus
Other
Lumia 950 XL Dual SIM
ClearBlack display
Surface Duo 2
Folded position display: 5.8 inches, AMOLED, 1344 x 1892 pixels (4:3)
OS
Lumia 950 XL Dual SIM
Microsoft Windows 10
Surface Duo 2
Android 11
Chipset
Lumia 950 XL Dual SIM
Qualcomm MSM8994 Snapdragon 810 (20 nm)
Surface Duo 2
Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU
Lumia 950 XL Dual SIM
Octa-core (4x1.5 GHz Cortex-A53 & 4x2.0 GHz Cortex-A57)
Surface Duo 2
Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU
Lumia 950 XL Dual SIM
Adreno 430
Surface Duo 2
Adreno 660
Card slot
Lumia 950 XL Dual SIM
microSDXC (dedicated slot)
Surface Duo 2
No
Internal
Lumia 950 XL Dual SIM
32GB 3GB RAM
Surface Duo 2
128GB 8GB RAM, 256GB 8GB RAM, 512GB 8GB RAM
Other
Lumia 950 XL Dual SIM
eMMC 5.0
Surface Duo 2
UFS
Single
Lumia 950 XL Dual SIM
20 MP, f/1.9, 26mm (wide), 1/2.4", 1.12µm, AF, OIS
Surface Duo 2
-
Features
Lumia 950 XL Dual SIM
Zeiss optics, triple-LED RGB flash, panorama, HDR
Surface Duo 2
Dual-LED dual-tone flash, HDR, panorama
Video
Lumia 950 XL Dual SIM
4K@30fps, stereo sound rec., 1080p@30/60fps (after SW update)
Surface Duo 2
4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR
Triple
Lumia 950 XL Dual SIM
-
Surface Duo 2
12 MP, f/1.7, 27mm (wide), 1.4µm, dual pixel PDAF, OIS 12 MP, f/2.4, 51mm (telephoto), 1.0µm, PDAF, OIS, 2x optical zoom 16 MP, f/2.2, 13mm (ultrawide), 1.0µm TOF 3D, (depth)
Single
Lumia 950 XL Dual SIM
5 MP, f/2.4
Surface Duo 2
12 MP, f/2.0, 24mm (wide), 1.0µm
Video
Lumia 950 XL Dual SIM
1080p@30fps
Surface Duo 2
1080p@30fps
Loudspeaker
Lumia 950 XL Dual SIM
Yes
Surface Duo 2
Yes, with stereo speakers
3.5mm jack
Lumia 950 XL Dual SIM
Yes
Surface Duo 2
No
WLAN
Lumia 950 XL Dual SIM
Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot
Surface Duo 2
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth
Lumia 950 XL Dual SIM
4.1, A2DP
Surface Duo 2
5.1, A2DP, LE, aptX Adaptive
Positioning
Lumia 950 XL Dual SIM
GPS, GLONASS, BDS
Surface Duo 2
GPS, GLONASS, GALILEO, QZSS, BDS
NFC
Lumia 950 XL Dual SIM
Yes
Surface Duo 2
Yes
Radio
Lumia 950 XL Dual SIM
FM radio
Surface Duo 2
No
USB
Lumia 950 XL Dual SIM
USB Type-C 3.1
Surface Duo 2
USB Type-C 3.2, DisplayPort
Sensors
Lumia 950 XL Dual SIM
Iris scanner, accelerometer, gyro, proximity, compass, barometer, sensor core
Surface Duo 2
Fingerprint (side-mounted), dual accelerometer, dual gyro, dual proximity, dual compass
Other
Lumia 950 XL Dual SIM
Microsoft Continuum support
Surface Duo 2
-
Type
Lumia 950 XL Dual SIM
Li-Ion 3340 mAh, removable
Surface Duo 2
Li-Po 4449 mAh
Charging
Lumia 950 XL Dual SIM
18W wired Wireless (Qi) (market dependent)
Surface Duo 2
23W wired
Stand-by
Lumia 950 XL Dual SIM
Up to 288 h (2G) / Up to 288 h (3G)
Surface Duo 2
-
Talk time
Lumia 950 XL Dual SIM
Up to 25 h (2G) / Up to 19 h (3G)
Surface Duo 2
-
Music play
Lumia 950 XL Dual SIM
Up to 75 h
Surface Duo 2
-
Colors
Lumia 950 XL Dual SIM
Black, White
Surface Duo 2
Glacier, Obsidian
Price
Lumia 950 XL Dual SIM
About 350 EUR
Surface Duo 2
About 1480 EUR