Screen size
Redmi K406.7"
Redmi R70mWinner: 6.9"+3.3%
Quick verdict
Redmi K40 leads the measured specs 12-5.
Measured wins
Redmi K40
12
spec wins
Overall winner
Ties
5
equal specs
Redmi R70m
5
spec wins
Screen size
Technology
Redmi K40
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Redmi R70m
GSM / HSPA / LTE / 5G
2G bands
Redmi K40
GSM 850 / 900 / 1800 / 1900 , CDMA 800
Redmi R70m
GSM 850 / 900 / 1800 / 1900
3G bands
Redmi K40
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1x
Redmi R70m
HSDPA 850 / 900 / 2100
4G bands
Redmi K40
1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
SD card
Stereo speakers
Redmi R70m
1, 3, 5, 8, 19, 28, 34, 38, 39, 40, 41, 42, 48
5G bands
Redmi K40
1, 3, 28, 41, 77, 78 SA/NSA/Sub6
Redmi R70m
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Speed
Redmi K40
HSPA, LTE, 5G
Redmi R70m
HSPA, LTE, 5G
Announced
Redmi K40
2021, February 25
Redmi R70m
2026, April 15
Status
Redmi K40
Available. Released 2021, March 04
Redmi R70m
Available. Released 2026, April 15
Dimensions
Redmi K40
163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in)
Redmi R70m
171.6 x 79.5 x 8.2 mm (6.76 x 3.13 x 0.32 in)
Weight
Redmi K40
196 g (6.91 oz)
Redmi R70m
210 g (7.41 oz)
SIM
Redmi K40
Nano-SIM + Nano-SIM
Redmi R70m
Nano-SIM + Nano-SIM
Type
Redmi K40
Super AMOLED, 120Hz, HDR10+, 1300 nits (peak)
Redmi R70m
IPS LCD, 120Hz, 800 nits (peak)
Size
Redmi K40
6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio)
Redmi R70m
6.9 inches, 114.9 cm2 (~84.3% screen-to-body ratio)
Resolution
Redmi K40
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Redmi R70m
720 x 1600 pixels, 20:9 ratio (~254 ppi density)
Protection
Redmi K40
Corning Gorilla Glass 5
Redmi R70m
-
OS
Redmi K40
Android 11, MIUI 12
Redmi R70m
Android 16, HyperOS 3
Chipset
Redmi K40
Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
Redmi R70m
Unisoc T8300 (6 nm)
CPU
Redmi K40
Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
Redmi R70m
Octa-core (2x2.2 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
GPU
Redmi K40
Adreno 650
Redmi R70m
Mali-G57 MC2
Card slot
Redmi K40
No
Redmi R70m
microSDXC
Internal
Redmi K40
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Redmi R70m
128GB 6GB RAM, 256GB 6GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Other
Redmi K40
UFS 3.1
Redmi R70m
UFS 2.2
Triple
Redmi K40
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide) 5 MP, f/2.4, 50mm (macro)
Redmi R70m
-
Features
Redmi K40
Color spectrum sensor, LED flash, HDR, panorama
Redmi R70m
LED flash, HDR
Video
Redmi K40
4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS
Redmi R70m
1080p@30fps
Single
Redmi K40
-
Redmi R70m
13 MP
Single
Redmi K40
20 MP, f/2.5, (wide), 1/3.4", 0.8µm
Redmi R70m
8 MP
Features
Redmi K40
HDR
Redmi R70m
HDR
Video
Redmi K40
1080p@30fps, 720p@120fps
Redmi R70m
1080p@30fps
Loudspeaker
Redmi K40
Yes, with stereo speakers
Redmi R70m
Yes
3.5mm jack
Redmi K40
No
Redmi R70m
Yes
Other
Redmi K40
24-bit/192kHz Hi-Res audio
Redmi R70m
-
WLAN
Redmi K40
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Redmi R70m
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Redmi K40
5.1, A2DP, LE
Redmi R70m
5.4, A2DP, LE
Positioning
Redmi K40
GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC
Redmi R70m
GPS, GLONASS, GALILEO, BDS
NFC
Redmi K40
Yes
Redmi R70m
No
Infrared port
Redmi K40
Yes
Redmi R70m
-
Radio
Redmi K40
No
Redmi R70m
No
USB
Redmi K40
USB Type-C 2.0, OTG
Redmi R70m
USB Type-C 2.0, OTG
Sensors
Redmi K40
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Redmi R70m
Accelerometer, compass
Other
Redmi K40
-
Redmi R70m
Virtual proximity sensing
Type
Redmi K40
Li-Po 4520 mAh
Redmi R70m
6300 mAh
Charging
Redmi K40
33W wired, PD3.0, QC3, 100% in 52 min
Redmi R70m
15W wired, PD 7.5W reverse wired
Colors
Redmi K40
Black, White, Aurora
Redmi R70m
Black, Blue, Purple, White
Models
Redmi K40
M2012K11AC
Redmi R70m
-
Price
Redmi K40
About 280 EUR
Redmi R70m
About 220 EUR