Xiaomi Mi Mix Alpha vs Samsung Galaxy Z TriFold
Product
Price
2,629 USD
2,500 USD
Status
Available
Available
Brand
Xiaomi Mobiles
Samsung Mobile
Model No
Mi Mix Alpha
SM-D639B, SM-D639U, SM-D639U1, SM-D639N, SM-D6390
Launch Date
2019, September 24
2025, December 02
Wikipedia
Technology
GSM / CDMA / HSPA / LTE / 5G
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 & TD-SCDMA
GSM 850 / 900 / 1800 / 1900
CDMA 800 / 1900
3G bands
HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
CDMA2000 1xEV-DO
4G bands
1, 2, 3, 4, 5, 7, 8, 34, 38, 39, 40, 41 - China
LTE
5G bands
41, 78, 79 SA/NSA/Sub6
SA/NSA/Sub6
Speed
HSPA 42.2/5.76 Mbps, LTE-A (7CA) Cat20 2000/150 Mbps, 5G (2+ Gbps DL)
HSPA, LTE, 5G
Dimensions
154.4 x 72.3 x 10.4 mm (6.08 x 2.85 x 0.41 in)
Unfolded thickness: 4.2 mm
Folded thickness: 14 mm
Weight
241 g (8.50 oz)
Build
Glass front, ceramic/glass back, titanium alloy frame (TC4)
SIM
Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + eSIM
Colors
Black
Black; other colors
Type
Flexible Super AMOLED capacitive touchscreen, 16M colors
Foldable LTPO OLED, 120Hz, HDR10+, 1600 nits (peak)
Size
7.92 inches, 201.8 cm2 (~180.8% screen-to-body ratio)
10.0 inches, 303.2 cm2
Resolution
2088 x 2250 pixels (~388 ppi density)
2232 x 3184 pixels (~389 ppi density)
Cover display: 6.5 inches, 120Hz, HDR10+, 2600 nits (peak)
OS
Android 10, MIUI 11
Android 16
Chipset
Qualcomm SM8150 Snapdragon 855+ (7 nm)
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
CPU
Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
GPU
Adreno 640 (700 MHz)
Adreno 840
RAM
12GB
16GB
Storage
512GB
UFS 3.0
512GB/1TB
UFS
Card Slot
No
Lens 1
108 MP, f/1.7, (wide), 1/1.33", 0.8µm, PDAF, Laser AF
200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS
Lens 2
12 MP, f/2.0, 54mm (telephoto), 1/2.55", 1.4µm, Dual Pixel PDAF, 2x optical zoom
50 MP (ultrawide)
Lens 3
20 MP, f/2.2, 13mm (ultrawide), 1/2.8", 1.0µm
third unspecified camera
Features
Dual-LED flash, HDR, panorama
LED flash, HDR, panorama
Video
6K@30fps, 4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps
8K@30fps, 4K@60fps, 1080p@60/120/240fps (gyro-EIS), 10-bit HDR, HDR10+
Lens 1
No - uses main camera
Yes
Features
Dual-LED flash, HDR, panorama
HDR
Video
3240p@30fps, 4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps
4K@30/60fps, 1080p@30/60fps, gyro-EIS
Capacity
Li-Po 4050 mAh, non-removable
5600 mAh
Charging
Fast charging 40W
45W wired
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, barometer
Fingerprint, accelerometer, gyro, proximity, compass
Loudspeaker
Yes
Yes, with stereo speakers
3.5mm jack
No
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE, aptX HD
6.0, A2DP, LE, aptX HD
GPS
Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS
GPS, GALILEO, GLONASS, BDS, QZSS
Radio
No
USB
Type-C 1.0 reversible connector
USB Type-C 3.2, OTG
NFC
Yes