Screen size
Redmi K406.7"
Redmi Note 17 Pro (China)Winner: 6.8"+2.3%
Quick verdict
Redmi Note 17 Pro (China) leads the measured specs 10-5.
Measured wins
Redmi K40
5
spec wins
Ties
8
equal specs
Redmi Note 17 Pro (China)
10
spec wins
Overall winner
Screen size
Technology
Redmi K40
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Redmi Note 17 Pro (China)
GSM / HSPA / LTE / 5G
2G bands
Redmi K40
GSM 850 / 900 / 1800 / 1900 , CDMA 800
Redmi Note 17 Pro (China)
GSM 850 / 900 / 1800 / 1900
3G bands
Redmi K40
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1x
Redmi Note 17 Pro (China)
HSDPA 850 / 900 / 2100
4G bands
Redmi K40
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specs1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42
Redmi Note 17 Pro (China)
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 Note 17 Pro (China)
1, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Speed
Redmi K40
HSPA, LTE, 5G
Redmi Note 17 Pro (China)
HSPA, LTE, 5G
Announced
Redmi K40
2021, February 25
Redmi Note 17 Pro (China)
2026, July 14
Status
Redmi K40
Available. Released 2021, March 04
Redmi Note 17 Pro (China)
Available. Released 2026, July 14
Dimensions
Redmi K40
163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in)
Redmi Note 17 Pro (China)
163.5 x 78.3 x 8.5 mm (6.44 x 3.08 x 0.33 in)
Weight
Redmi K40
196 g (6.91 oz)
Redmi Note 17 Pro (China)
226 g (7.97 oz)
SIM
Redmi K40
Nano-SIM + Nano-SIM
Redmi Note 17 Pro (China)
Nano-SIM + Nano-SIM
Other
Redmi K40
-
Redmi Note 17 Pro (China)
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) Manufacturer-rated water-resistance (up to 2m for 72 hours) Drop resistant up to 3m
Type
Redmi K40
Super AMOLED, 120Hz, HDR10+, 1300 nits (peak)
Redmi Note 17 Pro (China)
AMOLED, 68B colors, 120Hz, 3840Hz PWM, 3500 nits (peak)
Size
Redmi K40
6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio)
Redmi Note 17 Pro (China)
6.83 inches, 114.5 cm2 (~89.5% screen-to-body ratio)
Resolution
Redmi K40
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Redmi Note 17 Pro (China)
1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Protection
Redmi K40
Corning Gorilla Glass 5
Redmi Note 17 Pro (China)
Corning Gorilla Glass Victus 2
OS
Redmi K40
Android 11, MIUI 12
Redmi Note 17 Pro (China)
Android 16, HyperOS 3
Chipset
Redmi K40
Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
Redmi Note 17 Pro (China)
Qualcomm SM6435-AA Snapdragon 6s Gen 4 (4 nm)
CPU
Redmi K40
Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
Redmi Note 17 Pro (China)
Octa-core (4x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
GPU
Redmi K40
Adreno 650
Redmi Note 17 Pro (China)
Adreno
Card slot
Redmi K40
No
Redmi Note 17 Pro (China)
No
Internal
Redmi K40
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Redmi Note 17 Pro (China)
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 8GB RAM
Other
Redmi K40
UFS 3.1
Redmi Note 17 Pro (China)
UFS 2.2 - 128GB only UFS 3.1
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 Note 17 Pro (China)
-
Features
Redmi K40
Color spectrum sensor, LED flash, HDR, panorama
Redmi Note 17 Pro (China)
LED flash, HDR, panorama
Video
Redmi K40
4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS
Redmi Note 17 Pro (China)
1080p@30fps
Dual
Redmi K40
-
Redmi Note 17 Pro (China)
50 MP, f/1.8, 26mm (wide), 1/2.76", 0.64µm, PDAF Auxiliary lens
Single
Redmi K40
20 MP, f/2.5, (wide), 1/3.4", 0.8µm
Redmi Note 17 Pro (China)
8 MP, (wide)
Features
Redmi K40
HDR
Redmi Note 17 Pro (China)
-
Video
Redmi K40
1080p@30fps, 720p@120fps
Redmi Note 17 Pro (China)
1080p@30fps
Loudspeaker
Redmi K40
Yes, with stereo speakers
Redmi Note 17 Pro (China)
Yes, with stereo speakers
3.5mm jack
Redmi K40
No
Redmi Note 17 Pro (China)
No
Other
Redmi K40
24-bit/192kHz Hi-Res audio
Redmi Note 17 Pro (China)
-
WLAN
Redmi K40
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Redmi Note 17 Pro (China)
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Redmi K40
5.1, A2DP, LE
Redmi Note 17 Pro (China)
5.1, A2DP, LE
Positioning
Redmi K40
GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC
Redmi Note 17 Pro (China)
GPS, GALILEO, GLONASS, QZSS, BDS (B1I+B1c)
NFC
Redmi K40
Yes
Redmi Note 17 Pro (China)
Yes
Infrared port
Redmi K40
Yes
Redmi Note 17 Pro (China)
Yes
Radio
Redmi K40
No
Redmi Note 17 Pro (China)
No
USB
Redmi K40
USB Type-C 2.0, OTG
Redmi Note 17 Pro (China)
USB Type-C 2.0, OTG
Sensors
Redmi K40
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Redmi Note 17 Pro (China)
Fingerprint (under display, optical), accelerometer, gyro, compass, proximity (ultrasonic)
Type
Redmi K40
Li-Po 4520 mAh
Redmi Note 17 Pro (China)
Si/C Li-Ion 9000 mAh
Charging
Redmi K40
33W wired, PD3.0, QC3, 100% in 52 min
Redmi Note 17 Pro (China)
67W wired, PD3.0 22.5W reverse wired
Colors
Redmi K40
Black, White, Aurora
Redmi Note 17 Pro (China)
Black, Purple, Blue, White
Models
Redmi K40
M2012K11AC
Redmi Note 17 Pro (China)
2607DRA18C
Price
Redmi K40
About 280 EUR
Redmi Note 17 Pro (China)
About 210 EUR