Microsoft Surface Duo 2 vs Xiaomi Mix Fold 2: The Ultimate Folding Phone Comparison
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🏆 Quick Verdict
The Xiaomi Mix Fold 2 takes the crown with its superior display, faster processor, significantly quicker charging, and generally more polished flagship experience. While the Surface Duo 2 offers unique dual-screen productivity, it struggles to compete with the Mix Fold 2's overall package.
| PHONES | ||
|---|---|---|
| Phone Names | Microsoft Surface Duo 2 | Xiaomi Mix Fold 2 |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 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 | 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 |
| 5G bands | 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79 SA/NSA/Sub6 - International | 1, 3, 5, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA |
| Speed | HSPA 42.2/5.76 Mbps, LTE (5CA) Cat20 2000/150 Mbps, 5G 6 Gbps DL | HSPA, LTE, 5G |
| Technology | GSM / HSPA / LTE / 5G | GSM / 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 - USA | CDMA2000 1xEV-DO | |
| Launch | ||
|---|---|---|
| Announced | 2021, September 22. Released 2021, October 21 | 2022, August 11 |
| Status | Discontinued | Available. Released 2022, August 26 |
| Body | ||
|---|---|---|
| Build | Glass front (Gorilla Glass Victus), glass back (Gorilla Glass) | - |
| Dimensions | Unfolded: 184.5 x 145.2 x 5.5 mm Folded: 145.2 x 92.1 x 11 mm | Unfolded: 161.1 x 144.7 x 5.4 mm Folded: 161.1 x 73.9 x 11.2 mm |
| SIM | Nano-SIM + eSIM | Nano-SIM + Nano-SIM |
| Weight | 284 g (10.02 oz) | 262 g (9.24 oz) |
| Stylus support | - | |
| Display | ||
|---|---|---|
| Protection | Corning Gorilla Glass Victus | Schott UTG glass |
| Resolution | 1892 x 2688 pixels (~401 ppi density) | 1914 x 2160 pixels (~360 ppi density) |
| Size | 8.3 inches, 204.0 cm2 (~152.6% screen-to-body ratio) | 8.02 inches, 206.0 cm2 (~88.4% screen-to-body ratio) |
| Type | AMOLED, 90Hz, HDR, 800 nits (peak) | Foldable LTPO2 OLED, 1B colors, 120Hz, HDR10+, Dolby Vision, 1000 nits (HBM), 1300 nits (peak) |
| Folded position display: 5.8 inches, AMOLED, 1344 x 1892 pixels (4:3) | Cover display: AMOLED, 120Hz, HDR10+, Dolby Vision, 1000 nits (HBM), 1300 nits (peak) 6.56 inches, 1080 x 2520 pixels, 21:9 ratio Corning Gorilla Glass Victus | |
| Platform | ||
|---|---|---|
| CPU | Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) | Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) |
| Chipset | Qualcomm SM8350 Snapdragon 888 5G (5 nm) | Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) |
| GPU | Adreno 660 | Adreno 730 |
| OS | Android 11 | Android 12, MIUI Fold 13 |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 128GB 8GB RAM, 256GB 8GB RAM, 512GB 8GB RAM | 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM |
| UFS | UFS 3.1 | |
| Main Camera | ||
|---|---|---|
| Features | Dual-LED dual-tone flash, HDR, panorama | Color spectrum sensor, Dual-LED flash, HDR, panorama, Leica lenses |
| Single | 12 MP, f/2.0, 24mm (wide), 1.0µm | - |
| Triple | 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) | 50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, f/2.6, 45mm (telephoto), dual pixel PDAF, 2x optical zoom 13 MP, f/2.4, 15mm, 123˚ (ultrawide), 1.12µm, AF |
| Video | 4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR | 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS |
| Selfie camera | ||
|---|---|---|
| Features | - | HDR, panorama |
| Single | 12 MP, f/2.0, 24mm (wide), 1.0µm | 20 MP, f/2.4, 23mm (wide) |
| Video | 1080p@30fps | 1080p@30/60fps, 720p@120fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | No | No |
| 35mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| - | 24-bit/192kHz audio Tuned by Harman Kardon | |
| Comms | ||
|---|---|---|
| Bluetooth | 5.1, A2DP, LE, aptX Adaptive | 5.2, A2DP, LE, aptX HD, aptX Adaptive |
| Infrared port | - | Yes |
| NFC | Yes | Yes |
| Positioning | GPS, GLONASS, GALILEO, QZSS, BDS | GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| Radio | No | No |
| USB | USB Type-C 3.2, DisplayPort | USB Type-C |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (side-mounted), dual accelerometer, dual gyro, dual proximity, dual compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer |
| Battery | ||
|---|---|---|
| Charging | 23W wired | 67W wired, PD3.0, QC4, 100% in 40 min |
| Type | Li-Po 4449 mAh | Li-Po 4500 mAh |
| Misc | ||
|---|---|---|
| Colors | Glacier, Obsidian | Black, Gold |
| Models | - | 22061218C |
| Price | About 1480 EUR | About 1300 EUR |
| Tests | ||
|---|---|---|
| Battery life | - | Endurance rating 82h |
| Camera | - | Photo / Video |
| Display | - | Contrast ratio: Infinite (nominal) |
| Loudspeaker | - | -26.2 LUFS (Good) |
| Performance | - | AnTuTu: 1050139 (v9) GeekBench: 4368 (v5.1) GFXBench: 52fps (ES 3.1 onscreen) |
Microsoft Surface Duo 2
- Unique dual-screen productivity
- Microsoft ecosystem integration
- Compact form factor when closed
- Good for reading and note-taking
- Lower performance than competitors
- Subpar display quality
- Slow charging
- Higher price for what you get
Xiaomi Mix Fold 2
- Stunning display with high brightness and contrast
- Powerful Snapdragon 8+ Gen 1 processor
- Fast 67W charging
- Premium build quality
- Excellent camera system
- Expensive
- Software can be MIUI-centric (may not appeal to all)
- Large and heavy
Display Comparison
The Xiaomi Mix Fold 2 boasts a significantly brighter and more impressive display. Its 1054 nits peak brightness and near-infinite contrast ratio offer a far more vibrant and immersive viewing experience than the Surface Duo 2's displays. The Duo 2's dual screens, while innovative, lack the same visual punch and suffer from a noticeable crease. The Mix Fold 2's external display is also more usable for quick tasks.
Camera Comparison
The Xiaomi Mix Fold 2 generally offers a superior camera experience. While specific camera specs are not detailed, the Mix Fold 2's reputation and typical Xiaomi camera performance suggest better image quality, especially in challenging lighting conditions. The Surface Duo 2's camera is adequate but not a standout feature.
Performance
The Snapdragon 8+ Gen 1 in the Xiaomi Mix Fold 2 provides a noticeable performance advantage over the Surface Duo 2's Snapdragon 888. Apps launch faster, multitasking is smoother, and demanding games run with greater ease. While the Duo 2 is still capable, the Mix Fold 2's chipset offers a more future-proof and responsive experience.
Battery Life
The Xiaomi Mix Fold 2's endurance rating of 82h suggests significantly better battery life than the Surface Duo 2. Coupled with its 67W fast charging, it offers a much more convenient and long-lasting power solution. The Duo 2's 23W charging is comparatively slow.
Buying Guide
The Microsoft Surface Duo 2 is ideal for users deeply invested in the Microsoft ecosystem and those who value a unique dual-screen productivity experience. The Xiaomi Mix Fold 2 is for those seeking a premium, high-performance folding phone with a gorgeous display and cutting-edge features, willing to pay a premium.