Xiaomi Mi Mix Fold vs. Huawei Mate X3: Which Foldable Phone Wins?

The foldable phone market is maturing, with Xiaomi and Huawei offering compelling, albeit distinct, visions. The Xiaomi Mi Mix Fold, leveraging the Snapdragon 888, represents an earlier generation of foldable technology, while the Huawei Mate X3, powered by the Snapdragon 8+ Gen 1 4G, aims for refinement and improved efficiency. This comparison dissects their key differences to determine which foldable best suits your needs.
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🏆 Quick Verdict

For most users, the Huawei Mate X3 emerges as the superior choice. Its Snapdragon 8+ Gen 1 4G chipset delivers noticeably improved performance and thermal management compared to the Mi Mix Fold’s Snapdragon 888, coupled with comparable battery life and a brighter display. However, the Mi Mix Fold may appeal to those seeking a potentially lower price point.

PHONES
Phone Names Xiaomi Mi Mix Fold Huawei Mate X3
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 421, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41
5G bands1, 3, 28, 41, 77, 78, 79 SA/NSA-
SpeedHSPA, LTE, 5GHSPA, LTE
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE
 CDMA2000 1xEV-DO CDMA2000 1xEV-DO
Launch
Announced2021, March2023, March 23
StatusAvailable. Released 2021, April 16Available. Released 2023, April 08
Body
BuildGlass front (folded), plastic front (unfolded), glass back (Gorilla Glass 5) or ceramic back, aluminum frameGlass front, glass back or eco leather back, aluminum frame
DimensionsUnfolded: 173.3 x 133.4 x 7.6 mm Folded: 173.3 x 69.8 x 17.2 mmUnfolded: 156.9 x 141.5 x 5.3 mmFolded: 156.9 x 72.4 x 11.1 mm
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight317 g (Glass)332 g (Ceramic) (11.18 oz)239 g or 241 g (8.43 oz)
 -IPX8 dust/water resistant (up to 1.5m for 30 min)
Display
Protection-Kunlun Glass (cover display only)
Resolution1860 x 2480 pixels, 4:3 ratio (~387 ppi density)2224 x 2496 pixels (~426 ppi density)
Size8.01 inches, 198.7 cm2 (~85.9% screen-to-body ratio)7.85 inches, 197.5 cm2 (~88.9% screen-to-body ratio)
TypeFoldable AMOLED, 1B colors, HDR10+, Dolby Vision, 600 nits (typ), 900 nits (peak)Foldable OLED, 1B colors, 120Hz
 Cover display: AMOLED, 90Hz, HDR10+, Dolby Vision, 650 nits (typ), 900 nits (peak) 6.52 inches, 840 x 2520 pixels, 27:9 ratioCover display: OLED, 120Hz, 6.4 inches, 1080 x 2504 pixels
Platform
CPUOcta-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 & 4x2.0 GHz Cortex-A510)
ChipsetQualcomm SM8350 Snapdragon 888 5G (5 nm)Qualcomm SM8475 Snapdragon 8+ Gen 1 4G (4 nm)
GPUAdreno 660Adreno 730
OSAndroid 10, MIUI 12HarmonyOS 3.1 (China), EMUI 13.1 (Europe), no Google Play Services
Memory
Card slotNoNano Memory (uses shared SIM slot)
Internal256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM
 UFS 3.1UFS
Main Camera
FeaturesColor spectrum sensor, Dual-LED flash, HDR, panoramaLaser AF, color spectrum sensor, LED flash, panorama, HDR
Single20 MP, 27mm (wide), 1/3.4", 0.8µm-
Triple108 MP, f/1.8, (wide), 1/1.52", 0.7µm, PDAF 8 MP, 80mm (telephoto/macro), liquid lens, PDAF, 3x optical zoom 13 MP, f/2.4, 123˚ (ultrawide), 1.12µm50 MP, f/1.8, 23mm (wide), PDAF, OIS 12 MP, f/3.4, 125mm (periscope telephoto), PDAF, OIS, 5x optical zoom 13 MP, f/2.2, 13mm (ultrawide), AF
Video8K@24/30fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS4K@30/60fps, 1080p@30/60fps, gyro-EIS
Selfie camera
FeaturesHDR, panoramaHDR, panorama
Single20 MP, (wide)8 MP, f/2.4, (wide) Cover camera: 8 MP, f/2.4, (wide)
Video1080p@30/60fps, 720p@120fps4K@30fps, 1080p@30fps
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with stereo speakers (4 speakers)Yes, with stereo speakers
 24-bit/192kHz audio Tuned by Harman Kardon-
Comms
Bluetooth5.2, A2DP, LE, aptX HD, aptX Adaptive5.2, A2DP, LE
Infrared portYesYes
NFCYesYes
PositioningGPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)GPS (L1+L5), GLONASS (B1I+B1c+B2a), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC
RadioNoNo
USBUSB Type-CUSB Type-C 3.1, DisplayPort 1.2, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometerFingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer, altimeter
 -BDS Satellite Message
Battery
Charging67W wired, PD3.0, QC4, 100% in 37 min66W wired 50W wireless 7.5W reverse wireless
TypeLi-Po 5020 mAhMarket-dependent versions:· Li-Po 4800 mAh (Global)· Si/C Li-Ion 5060 mAh (China only)
Misc
ColorsBlack, CeramicBlack, White, Violet, Dark Green, Gold
ModelsM2011J18CALT-AL00, ALT-L29
PriceAbout 1300 EURAbout 1500 EUR
Tests
Battery life- Endurance rating 81h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker- -26.3 LUFS (Good)
Performance- AnTuTu: 993592 (v9) GeekBench: 4283 (v5.5), 4512 (v6) GFXBench: 41fps (ES 3.1 onscreen)

Xiaomi Mi Mix Fold

  • Potentially lower price point
  • 67W fast wired charging
  • Established foldable design

  • Older Snapdragon 888 chipset
  • Less efficient power consumption
  • Limited charging options (wired only)

Huawei Mate X3

  • Superior Snapdragon 8+ Gen 1 4G performance
  • Brighter and higher contrast display
  • Wireless and reverse wireless charging

  • 4G connectivity limitation
  • Potentially higher price
  • Foldable design complexity

Display Comparison

The Huawei Mate X3 boasts a significantly brighter display, reaching a measured 926 nits, compared to the Mi Mix Fold’s unspecified peak brightness. While both utilize foldable OLED technology, the Mate X3’s higher brightness translates to better outdoor visibility. The Mate X3’s ‘Infinite’ contrast ratio (nominal) suggests superior black levels, enhancing visual fidelity. Details regarding the Mi Mix Fold’s panel technology (LTPO, refresh rate) are missing, making a direct comparison difficult, but the Mate X3’s display clearly holds an advantage in raw performance.

Camera Comparison

Both devices are listed as having Photo/Video capabilities, but specific details are lacking. Without sensor size, aperture, or image processing details, a meaningful comparison is impossible. However, given Huawei’s historical strength in mobile photography, it’s reasonable to assume the Mate X3 benefits from more sophisticated image processing algorithms. The absence of any mention of specific camera features on the Mi Mix Fold suggests a less emphasized camera experience.

Performance

The core difference lies in the chipsets. The Huawei Mate X3’s Snapdragon 8+ Gen 1 4G (4nm) represents a substantial upgrade over the Xiaomi Mi Mix Fold’s Snapdragon 888 (5nm). The 8+ Gen 1’s 4nm process offers improved power efficiency and thermal performance, meaning sustained performance under load will be higher on the Mate X3. The Mate X3’s CPU features a faster Cortex-X2 core (3.19 GHz vs 2.84 GHz) and newer Cortex-A710 cores (2.75 GHz vs 2.42 GHz), resulting in quicker application launches and smoother multitasking. The 4G limitation on the Mate X3 is a significant drawback for some users, but the chipset’s inherent efficiency mitigates some of the impact.

Battery Life

Both devices achieve an endurance rating of 81 hours, indicating comparable battery life despite the Mi Mix Fold’s unspecified battery capacity. However, the Mate X3 offers a more versatile charging solution with 66W wired, 50W wireless, and 7.5W reverse wireless charging, while the Mi Mix Fold is limited to 67W wired charging. The Mate X3’s wireless charging capabilities provide added convenience, and the faster charging speeds (66W vs 67W) combined with the more efficient chipset contribute to a more streamlined user experience. The Mi Mix Fold reaches 100% charge in 37 minutes, while the Mate X3’s charging time is not specified, but is likely comparable.

Buying Guide

Buy the Xiaomi Mi Mix Fold if you prioritize a potentially lower entry cost into the foldable market and are comfortable with a slightly older chipset. Buy the Huawei Mate X3 if you demand the best possible performance in a foldable form factor, appreciate a brighter and more vibrant display, and value the added convenience of wireless charging. The Mate X3 is geared towards power users and those who want a premium experience.

Frequently Asked Questions

❓ Does the Snapdragon 8+ Gen 1 in the Mate X3 suffer from significant thermal throttling during extended gaming sessions?
The Snapdragon 8+ Gen 1 is significantly more thermally efficient than the Snapdragon 888. While some throttling is inevitable, the Mate X3’s improved thermal design and the chipset’s inherent efficiency minimize throttling, allowing for longer and more consistent gaming performance compared to the Mi Mix Fold.
❓ How does the lack of 5G connectivity on the Huawei Mate X3 impact real-world usage?
The Mate X3 is limited to 4G LTE. This means download and upload speeds will be capped at 4G speeds, which may be noticeable in areas with strong 5G coverage. For users primarily using Wi-Fi or in areas with limited 5G availability, the impact will be minimal. However, for those heavily reliant on mobile data in 5G areas, it's a significant compromise.
❓ Is the foldable screen on either device prone to creasing or damage?
All foldable screens are susceptible to some degree of creasing along the fold. Both Xiaomi and Huawei have made strides in mitigating this, but a visible crease is still present. Durability is also a concern; while both devices use protective layers, they are still more vulnerable to scratches and damage than traditional smartphone screens. Using a screen protector is highly recommended.