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Surface Duo 2 vs Galaxy Tab S9 Ultra

Microsoft Surface Duo 2 vs Samsung Galaxy Tab S9 Ultra

What Surface Duo 2 does better (4) and where Galaxy Tab S9 Ultra wins (15) — every spec side by side.

Microsoft · 2021Surface Duo 2

7.0Score

4 advantages≈ $1,600

Samsung · 2023Galaxy Tab S9 Ultra

9.2Score

15 advantages≈ $1,300

Higher score

8.0Display9.4

7.9Performance8.1

3.4Battery7.9

6.4Memory & storage9.7

8.9Features9.4

Dimensions

Size comparison

Surface Duo 2Galaxy Tab S9 Ultra

	Surface Duo 2	Galaxy Tab S9 Ultra	Difference
Height	184.5 mm	326.4 mm	−141.9 mm
Width	145.2 mm	208.6 mm	−63.4 mm
Thickness	5.5 mm	5.5 mm	=
Weight	284 g	732 g	−448 g

Drawn to the same scale from the official dimensions (front and side).

Why is Surface Duo 2 better than Galaxy Tab S9 Ultra?

Weight284 g vs 732 g2.6×
Pixel density401 ppi vs 239 ppi+68%
Screen-to-body ratio152.6% vs 90.7%+68%
Resolution (short side)1,892 px vs 1,848 px+2%

Why is Galaxy Tab S9 Ultra better than Surface Duo 2?

Battery capacity4,449 mAh vs 11,200 mAh2.5×
RAM8 GB vs 16 GB2×
Screen size8.3″ vs 14.6″+76%
Storage (max)512 GB vs 1,024 GB2×
Wired charging23 W vs 45 W+96%
Refresh rate90 Hz vs 120 Hz+33%
Storage (base)128 GB vs 256 GB2×
Memory card slotNo · Surface Duo 2: Yes
CPU frequency2.84 GHz vs 3.36 GHz+18%
Peak brightness800 nits vs 930 nits+16%
Wi-Fi standardWi-Fi 6 vs Wi-Fi 6E+8%
Process5 nm vs 4 nm+25%

Specifications

Side by side

Only differences	Microsoft Surface Duo 2≈ $1,6007.0	Samsung Galaxy Tab S9 Ultra≈ $1,3009.2
Design
Weight	284 g	732 g
Thickness	5.5 mm	5.5 mm
Height	184.5 mm	326.4 mm
Width	145.2 mm	208.6 mm
Frame	—	Aluminium
Back	Glass	Aluminium
Ingress protection	—	IP68
Water resistance (IPx)	—	IPx8
Glass protection	Corning Gorilla Glass Victus	Corning Gorilla Glass
Colours	Glacier, Obsidian	Beige, Graphite
Display
Screen size	8.3″	14.6″
Panel	AMOLED	Dynamic AMOLED 2X
OLED panel	Yes	Yes
Resolution (short side)	1,892 px	1,848 px
Resolution (long side)	2,688 px	2,960 px
Pixel density	401 ppi	239 ppi
Refresh rate	90 Hz	120 Hz
Peak brightness	800 nits	930 nits
Measured brightness	—	642 nits
Screen-to-body ratio	152.6%	90.7%
HDR	Yes	Yes
Performance
Chipset	Qualcomm SM8350 Snapdragon 888 5G	Qualcomm SM8550-AC Snapdragon 8 Gen 2
Chip maker	Qualcomm	Qualcomm
Process	5 nm	4 nm
CPU cores	8	8
CPU frequency	2.84 GHz	3.36 GHz
GPU	Adreno 660	Adreno 740
AnTuTu score	—	1,199,328
Geekbench 6 (multi-core)	—	4,835
3DMark Wild Life Extreme	—	3,829
Memory
RAM	8 GB	16 GB
Storage (max)	512 GB	1,024 GB
Storage (base)	128 GB	256 GB
Storage type	—	UFS 4.0
Memory card slot	No	Yes
Battery
Battery capacity	4,449 mAh	11,200 mAh
Battery type	Li-Po	Li-Po
Active use (test)	—	11.1 h
Wired charging	23 W	45 W
Charged in 30 min	—	32%
Wireless charging	No	No
Connectivity
Cellular (LTE)	Yes	Yes
5G	Yes	Yes
eSIM	Yes	Yes
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 6	Wi-Fi 6E
Bluetooth	5.1	5.3
USB	USB Type-C 3.2	USB Type-C 3.2
USB version	3.2	3.2
Video output (USB-C / DisplayPort)	Yes	Yes
NFC	Yes	No
GPS	Yes	Yes
Satellite navigation	GLONASS, GALILEO, BDS, QZSS	GLONASS, GALILEO, BDS
Features
Stylus support	Yes	Yes
Stereo speakers	Yes	Yes
Loudspeaker loudness	—	-21.2 LUFS
3.5 mm headphone jack	No	No
Fingerprint sensor	Side / power button	Under display
Sensors	Fingerprint (side-mounted), dual accelerometer, dual gyro, dual proximity, dual compass	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Cameras
Rear camera	12 MP	13 MP
Rear camera aperture	f/1.7	f/2
Rear cameras	3	2
Ultra-wide camera	Yes	Yes
Optical stabilisation	Yes	No
Max video	4K	4K
4K video frame rate	60 fps	30 fps
Front camera	12 MP	12 MP
4K front-camera video	No	Yes
Software
OS at launch	Android 11	Android 13
Platform	Android	Android
Interface	—	One UI 6
Major OS updates promised	—	4