Screen size
Mi Mix FoldWinner: 8.0"+15%
Redmi Note 15 Special6.8"
Quick verdict
Mi Mix Fold leads the measured specs 10-9.
Measured wins
Mi Mix Fold
10
spec wins
Overall winner
Ties
4
equal specs
Redmi Note 15 Special
9
spec wins
Screen size
Technology
Mi Mix Fold
GSM / CDMA / HSPA / EVDO / LTE / 5G
Redmi Note 15 Special
GSM / HSPA / LTE / 5G
2G bands
Mi Mix Fold
GSM 850 / 900 / 1800 / 1900 , CDMA 800
Redmi Note 15 Special
GSM 850 / 900 / 1800 / 1900
3G bands
Mi Mix Fold
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
Redmi Note 15 Special
HSDPA 850 / 900 / 2100
4G bands
Mi Mix Fold
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
Stereo speakers
equal specs1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42
Redmi Note 15 Special
1, 3, 5, 8, 28, 40, 41
5G bands
Mi Mix Fold
1, 3, 28, 41, 77, 78, 79 SA/NSA
Redmi Note 15 Special
1, 3, 5, 8, 28, 40, 78 SA/NSA
Speed
Mi Mix Fold
HSPA, LTE, 5G
Redmi Note 15 Special
HSPA, LTE, 5G
Announced
Mi Mix Fold
2021, March
Redmi Note 15 Special
2026, April 02
Status
Mi Mix Fold
Available. Released 2021, April 16
Redmi Note 15 Special
Released Apr 7, 2026
Dimensions
Mi Mix Fold
Unfolded: 173.3 x 133.4 x 7.6 mm Folded: 173.3 x 69.8 x 17.2 mm
Redmi Note 15 Special
164.0 x 75.4 x 7.4 mm or 7.8 mm
Weight
Mi Mix Fold
317 g (Glass)332 g (Ceramic) (11.18 oz)
Redmi Note 15 Special
178 g or 182 g (6.28 oz)
Build
Mi Mix Fold
Glass front (folded), plastic front (unfolded), glass back (Gorilla Glass 5) or ceramic back, aluminum frame
Redmi Note 15 Special
-
SIM
Mi Mix Fold
Nano-SIM + Nano-SIM
Redmi Note 15 Special
Nano-SIM + Nano-SIM
Other
Mi Mix Fold
-
Redmi Note 15 Special
Drop resistant up to 1.7m MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions IP66 dust tight and water resistant (high pressure water jets)
Type
Mi Mix Fold
Foldable AMOLED, 1B colors, HDR10+, Dolby Vision, 600 nits (typ), 900 nits (peak)
Redmi Note 15 Special
AMOLED, 68B colors, 120Hz, 3840Hz PWM, 800 nits (typ), 3200 nits (peak)
Size
Mi Mix Fold
8.01 inches, 198.7 cm2 (~85.9% screen-to-body ratio)
Redmi Note 15 Special
6.77 inches, 110.9 cm2 (~89.7% screen-to-body ratio)
Resolution
Mi Mix Fold
1860 x 2480 pixels, 4:3 ratio (~387 ppi density)
Redmi Note 15 Special
1080 x 2392 pixels (~388 ppi density)
Other
Mi Mix Fold
Cover display: AMOLED, 90Hz, HDR10+, Dolby Vision, 650 nits (typ), 900 nits (peak) 6.52 inches, 840 x 2520 pixels, 27:9 ratio
Redmi Note 15 Special
-
OS
Mi Mix Fold
Android 10, MIUI 12
Redmi Note 15 Special
Android 15, up to 4 major Android upgrades, HyperOS 2
Chipset
Mi Mix Fold
Qualcomm SM8350 Snapdragon 888 5G (5 nm)
Redmi Note 15 Special
Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm)
CPU
Mi Mix Fold
Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
Redmi Note 15 Special
Octa-core (4x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
GPU
Mi Mix Fold
Adreno 660
Redmi Note 15 Special
Adreno 710
Card slot
Mi Mix Fold
No
Redmi Note 15 Special
microSDXC (uses shared SIM slot)
Internal
Mi Mix Fold
256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM
Redmi Note 15 Special
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Other
Mi Mix Fold
UFS 3.1
Redmi Note 15 Special
UFS 2.2
Triple
Mi Mix Fold
108 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), 1.12µm
Redmi Note 15 Special
-
Features
Mi Mix Fold
Color spectrum sensor, Dual-LED flash, HDR, panorama
Redmi Note 15 Special
LED flash, HDR, panorama
Video
Mi Mix Fold
8K@24/30fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS
Redmi Note 15 Special
4K@30fps, 1080p@30fps, gyro-EIS
Dual
Mi Mix Fold
-
Redmi Note 15 Special
50 MP, f/1.8, (wide), 1/2.88", 0.61µm, PDAF Auxiliary lens
Single
Mi Mix Fold
20 MP, (wide)
Redmi Note 15 Special
20 MP, f/2.2, (wide), 1/4"
Features
Mi Mix Fold
HDR, panorama
Redmi Note 15 Special
-
Video
Mi Mix Fold
1080p@30/60fps, 720p@120fps
Redmi Note 15 Special
1080p@30fps
Loudspeaker
Mi Mix Fold
Yes, with stereo speakers (4 speakers)
Redmi Note 15 Special
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack
Mi Mix Fold
No
Redmi Note 15 Special
No
Other
Mi Mix Fold
24-bit/192kHz Hi-Res audio Tuned by Harman Kardon Snapdragon Sound
Redmi Note 15 Special
24-bit/192kHz Hi-Res audio
WLAN
Mi Mix Fold
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Redmi Note 15 Special
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Mi Mix Fold
5.2, A2DP, LE, aptX HD, aptX Adaptive
Redmi Note 15 Special
5.1, A2DP, LE
Positioning
Mi Mix Fold
GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
Redmi Note 15 Special
GPS, GALILEO, GLONASS, QZSS, BDS
NFC
Mi Mix Fold
Yes
Redmi Note 15 Special
No
Infrared port
Mi Mix Fold
Yes
Redmi Note 15 Special
Yes
Radio
Mi Mix Fold
No
Redmi Note 15 Special
No
USB
Mi Mix Fold
USB Type-C
Redmi Note 15 Special
USB Type-C 2.0, OTG
Sensors
Mi Mix Fold
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Redmi Note 15 Special
Fingerprint (under display, optical), accelerometer, gyro, compass
Other
Mi Mix Fold
-
Redmi Note 15 Special
Virtual proximity sensing
Type
Mi Mix Fold
Li-Po 5020 mAh
Redmi Note 15 Special
Li-Ion 5800 mAh
Charging
Mi Mix Fold
67W wired, PD3.0, QC4, 100% in 37 min
Redmi Note 15 Special
45W wired 18W reverse wired
Colors
Mi Mix Fold
Black, Ceramic
Redmi Note 15 Special
Crimson Reserve red, Carbon Black, Frosted White
Models
Mi Mix Fold
M2011J18C
Redmi Note 15 Special
-
Price
Mi Mix Fold
About 1300 EUR
Redmi Note 15 Special
About 190 EUR