Surface Duo 2 vs Galaxy Z Fold3: The Ultimate Folding Phone Comparison

Folding phones are no longer a futuristic fantasy; they're a reality. The Microsoft Surface Duo 2 and Samsung Galaxy Z Fold3 5G represent two distinct approaches to this innovative form factor. But which one is right for you?
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🏆 Quick Verdict

The Galaxy Z Fold3 offers a more polished, feature-rich experience with a superior display and camera system. The Duo 2 shines with its unique dual-screen design and Surface-level productivity features, but falls short in some key areas. The Z Fold3 is the overall winner.

PHONES
Phone Names Microsoft Surface Duo 2 Samsung Galaxy Z Fold3 5G
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 42, 46, 48, 66, 711, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 46, 48, 66 - Europe
5G bands1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79 SA/NSA/Sub6 - International1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - International
SpeedHSPA 42.2/5.76 Mbps, LTE (5CA) Cat20 2000/150 Mbps, 5G 6 Gbps DLHSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79, 257, 260, 261 SA/NSA/Sub6/mmWave - USA2, 5, 25, 41, 66, 71, 78, 260, 261 SA/NSA/Sub6/mmWave - USA
Launch
Announced2021, September 22. Released 2021, October 212021, August 11
StatusDiscontinuedAvailable. Released 2021, August 27
Body
BuildGlass front (Gorilla Glass Victus), glass back (Gorilla Glass)Glass front (Gorilla Glass Victus) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus), aluminum frame
DimensionsUnfolded: 184.5 x 145.2 x 5.5 mm Folded: 145.2 x 92.1 x 11 mmUnfolded: 158.2 x 128.1 x 6.4 mmFolded: 158.2 x 67.1 x 14.4-16 mm
SIMNano-SIM + eSIMNano-SIM + eSIM
Weight284 g (10.02 oz)271 g (9.56 oz)
 Stylus supportIPX8 water resistant (up to 1.5m for 30 min) Armor aluminum frame with tougher drop and scratch resistance (advertised) Stylus support
Display
ProtectionCorning Gorilla Glass Victus-
Resolution1892 x 2688 pixels (~401 ppi density)1768 x 2208 pixels (~374 ppi density)
Size8.3 inches, 204.0 cm2 (~152.6% screen-to-body ratio)7.6 inches, 179.9 cm2 (~88.8% screen-to-body ratio)
TypeAMOLED, 90Hz, HDR, 800 nits (peak)Foldable Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (peak)
 Folded position display: 5.8 inches, AMOLED, 1344 x 1892 pixels (4:3)Cover display: Dynamic AMOLED 2X, 120Hz, Corning Gorilla Glass Victus 6.2 inches, 832 x 2268 pixels, 25:9 ratio
Platform
CPUOcta-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
ChipsetQualcomm SM8350 Snapdragon 888 5G (5 nm)Qualcomm SM8350 Snapdragon 888 5G (5 nm)
GPUAdreno 660Adreno 660
OSAndroid 11Android 11, up to 4 major Android upgrades, One UI 6.1
Memory
Card slotNoNo
Internal128GB 8GB RAM, 256GB 8GB RAM, 512GB 8GB RAM256GB 12GB RAM, 512GB 12GB RAM
 UFSUFS 3.1
Main Camera
FeaturesDual-LED dual-tone flash, HDR, panoramaLED flash, HDR, panorama
Single12 MP, f/2.0, 24mm (wide), 1.0µm-
Triple12 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)12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS 12 MP, f/2.4, 52mm (telephoto), 1/3.6", 1.0µm, PDAF, OIS, 2x optical zoom 12 MP, f/2.2, 123˚, 12mm (ultrawide), 1.12µm
Video4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR4K@60fps, 1080p@60/240fps (gyro-EIS), HDR10+
Selfie camera
Features-HDR
Single12 MP, f/2.0, 24mm (wide), 1.0µm4 MP, f/1.8, 2.0µm, under display Cover camera: 10 MP, f/2.2, 26mm (wide), 1/3", 1.22µm
Video1080p@30fps4K@30fps, 1080p@30fps, gyro-EIS
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
 -32-bit/384kHz audio Tuned by AKG
Comms
Bluetooth5.1, A2DP, LE, aptX Adaptive5.2, A2DP, LE, aptX HD
NFCYesYes
PositioningGPS, GLONASS, GALILEO, QZSS, BDSGPS, GLONASS, GALILEO, BDS
RadioNoNo
USBUSB Type-C 3.2, DisplayPortUSB Type-C 3.2
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), dual accelerometer, dual gyro, dual proximity, dual compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
 -Bixby natural language commands and dictation Samsung DeX (desktop experience support) Samsung Pay (Visa, MasterCard certified) Ultra Wideband (UWB) support
Battery
Charging23W wired25W wired 11W wireless 4.5W reverse wireless
TypeLi-Po 4449 mAhLi-Po 4400 mAh
Misc
ColorsGlacier, ObsidianPhantom Black, Phantom Silver, Phantom Green, Thom Browne Edition, Wooyoungmi Edition
Models-SM-F926B, SM-F926B/DS, SM-F926U, SM-F926U1, SM-F926W, SM-F9260, SM-F926N
PriceAbout 1480 EUR€ 453.57 / $ 367.74 / £ 449.99
SAR-0.73 W/kg (head)     1.22 W/kg (body)
SAR EU-1.04 W/kg (head)     1.44 W/kg (body)
Tests
Battery life- Endurance rating 75h
Camera- Photo / Video
Loudspeaker- -25.6 LUFS (Very good)
Performance- AnTuTu: 635918 (v8), 752218 (v9) GeekBench: 12719 (v4.4), 3239 (v5.1) GFXBench: 38fps (ES 3.1 onscreen)

Microsoft Surface Duo 2

  • Unique dual-screen design
  • Excellent for multitasking
  • Tight Microsoft ecosystem integration
  • Slim and lightweight

  • Smaller screens
  • Noticeable gap between screens
  • Less impressive camera
  • Shorter battery life
  • Higher price

Samsung Galaxy Z Fold3 5G

  • Larger, brighter, and more durable foldable display
  • Excellent camera system
  • Longer battery life
  • More refined software experience
  • Water resistance

  • Expensive
  • Bulky design
  • Crease in the foldable display

Display Comparison

The Galaxy Z Fold3 boasts a larger, brighter, and more refined foldable display with a 120Hz adaptive refresh rate. The Duo 2's dual screens, while innovative, are smaller and have a noticeable gap between them. The Z Fold3's cover screen is also more usable than the Duo 2's.

Camera Comparison

The Galaxy Z Fold3's camera system is significantly more advanced, offering better image quality, more versatile shooting options, and improved video recording capabilities. The Duo 2's cameras are adequate but lack the sophistication of the Z Fold3.

Performance

Both devices share the same Snapdragon 888 chipset, delivering comparable performance for most tasks. However, Samsung's software optimization and thermal management are generally better, potentially leading to slightly more sustained performance under heavy load.

Battery Life

The Galaxy Z Fold3 demonstrates superior battery life, achieving an endurance rating of 75 hours. The Surface Duo 2's battery life is noticeably shorter, struggling to last a full day with moderate use.

Buying Guide

The Microsoft Surface Duo 2 is ideal for productivity-focused users who value a unique dual-screen experience and tight integration with Microsoft services. The Samsung Galaxy Z Fold3 5G is best for those seeking a versatile device with a large, vibrant display, excellent camera capabilities, and a more mature folding phone ecosystem.

Frequently Asked Questions

❓ Which phone is more durable?
The Galaxy Z Fold3 is more durable, featuring water resistance and a more robust hinge design. The Surface Duo 2 lacks these features.
❓ Is the gap between the Duo 2 screens distracting?
Yes, the gap can be noticeable and distracting, especially when viewing content that spans both screens. Samsung's foldable display avoids this issue.