Screen size
equal specsRedmi K1006.8"
Redmi K90 Max6.8"
Quick verdict
Redmi K100 and Redmi K90 Max are close on the measured specs.
Measured wins
Redmi K100
4
spec wins
Ties
14
equal specs
Redmi K90 Max
4
spec wins
Screen size
equal specsTechnology
Redmi K100
GSM / HSPA / LTE / 5G
Redmi K90 Max
GSM / HSPA / LTE / 5G
2G bands
Redmi K100
GSM 850 / 900 / 1800 / 1900
Redmi K90 Max
GSM 850 / 900 / 1800 / 1900
3G bands
Redmi K100
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
Redmi K90 Max
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Redmi K100
LTE
Resolution
Refresh rate
Peak brightness
equal specsPixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
Front camera
equal specsBattery
Wired charging
equal specsWeight
Thickness
IP rating
equal specsWi‑Fi
equal specsBluetooth
equal specsUSB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specsRedmi K90 Max
1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66
5G bands
Redmi K100
SA/NSA
Redmi K90 Max
1, 3, 5, 7, 8, 28, 34, 38, 39, 40, 41, 48, 77, 78 SA/NSA
Speed
Redmi K100
HSPA, LTE, 5G
Redmi K90 Max
HSPA, LTE, 5G
Announced
Redmi K100
Not announced yet
Redmi K90 Max
2026, April 21
Status
Redmi K100
Rumored
Redmi K90 Max
Available. Released 2026, April 21
Dimensions
Redmi K100
-
Redmi K90 Max
162.9 x 77.9 x 8.2 mm (6.41 x 3.07 x 0.32 in)
Weight
Redmi K100
-
Redmi K90 Max
227 g (8.01 oz)
Build
Redmi K100
Glass front, aluminum frame
Redmi K90 Max
Glass front (Dragon Crystal Glass), aluminum frame, glass-fiber reinforced plastic back or silicone polymer back
SIM
Redmi K100
Nano-SIM + Nano-SIM
Redmi K90 Max
Nano-SIM + Nano-SIM
Other
Redmi K100
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Redmi K90 Max
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) Built-in cooling fan
Type
Redmi K100
AMOLED, 68B colors, 2560Hz PWM, 165Hz, Dolby Vision, HDR Vivid, HDR10+, 3500 nits (peak)
Redmi K90 Max
AMOLED, 68B colors, 165Hz, Dolby Vision, HDR10+, HDR Vivid, 3500 nits (peak)
Size
Redmi K100
6.83 inches, 114.4 cm2
Redmi K90 Max
6.83 inches, 114.5 cm2 (~90.3% screen-to-body ratio)
Resolution
Redmi K100
1156 x 2510 pixels, 19.5:9 ratio (~405 ppi density)
Redmi K90 Max
1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Protection
Redmi K100
-
Redmi K90 Max
Dragon Crystal Glass
OS
Redmi K100
Android 17, HyperOS 4
Redmi K90 Max
Android 16, HyperOS 3
Chipset
Redmi K100
Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
Redmi K90 Max
MediaTek Dimensity 9500 (3 nm)
CPU
Redmi K100
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
Redmi K90 Max
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
GPU
Redmi K100
Adreno 840
Redmi K90 Max
Mali-G1 Ultra MC12
Card slot
Redmi K100
No
Redmi K90 Max
No
Internal
Redmi K100
256GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM
Redmi K90 Max
256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Other
Redmi K100
UFS
Redmi K90 Max
UFS 4.1
Dual
Redmi K100
200 MP, f/1.7, 24mm (wide), 0.5µm, PDAF, OIS 8 MP, f/2.2, 15mm, 120˚ (ultrawide)
Redmi K90 Max
50 MP, f/1.7, 24mm (wide), 1/1.55", 1.0µm, PDAF, OIS 8 MP, f/2.2, (ultrawide), 1/4.0", 1.12µm
Features
Redmi K100
Color spectrum sensor, LED flash, HDR, panorama
Redmi K90 Max
LED flash, HDR, panorama
Video
Redmi K100
4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+
Redmi K90 Max
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
Single
Redmi K100
20 MP, (wide), 1/2.0", 0.8µm
Redmi K90 Max
20 MP (wide)
Video
Redmi K100
1080p@30/60fps
Redmi K90 Max
1080p@30/60fps
Features
Redmi K100
-
Redmi K90 Max
HDR
Loudspeaker
Redmi K100
Yes, with stereo speakers (with Dolby Atmos)
Redmi K90 Max
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack
Redmi K100
No
Redmi K90 Max
No
Other
Redmi K100
Tuned by Bose 24-bit/192kHz Hi-Res & Hi-Res wireless audio
Redmi K90 Max
Tuned by Bose Bose 2.1 stereo sound system with a woofer 24-bit/192kHz Hi-Res & Hi-Res wireless audio
WLAN
Redmi K100
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Redmi K90 Max
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Bluetooth
Redmi K100
5.4, A2DP, LE, LHDC 5.0, ASHA
Redmi K90 Max
5.4, A2DP, LE, LHDC 5, Auracast, ASHA, MIHC
Positioning
Redmi K100
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC, GLONASS
Redmi K90 Max
GPS (L1+L5), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), GLONASS, NavIC
NFC
Redmi K100
Yes
Redmi K90 Max
Yes
Infrared port
Redmi K100
Yes
Redmi K90 Max
Yes
Radio
Redmi K100
No
Redmi K90 Max
No
USB
Redmi K100
USB Type-C, OTG
Redmi K90 Max
USB Type-C
Sensors
Redmi K100
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass
Redmi K90 Max
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass
Type
Redmi K100
Si/C Li-Ion 10000 mAh
Redmi K90 Max
8550 mAh
Charging
Redmi K100
100W wired, PD3.0, QC3+, 100W PPS 27W reverse wired
Redmi K90 Max
100W wired, 100W PPS, PD3.0 22.5W reverse wired
Colors
Redmi K100
Green
Redmi K90 Max
Silver, Blue, Black
Price
Redmi K100
-
Redmi K90 Max
About 440 EUR