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Xiaomi Redmi K40

Xiaomi Redmi K40 Pro

Network
Technology	GSM / CDMA / HSPA / CDMA2000 / LTE / 5G	GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
2G bands	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
	CDMA 800	CDMA 800
3G Network	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
	CDMA2000 1x	CDMA2000 1x
4G Network	1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42	1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42
5G Network	1, 3, 28, 41, 77, 78 SA/NSA/Sub6	1, 3, 28, 41, 77, 78 SA/NSA/Sub6
Speed	HSPA, LTE, 5G	HSPA, LTE, 5G

Launch
Announced	2021, February 25	2021, February 25
Status	Available. Released 2021, March 04	Available. Released 2021, March 04

Body
Dimensions	163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in)	163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in)
Weight	196 g (6.91 oz)	196 g (6.91 oz)
SIM	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)
		IP53, dust and splash resistant

Display
Type	Super AMOLED, 120Hz, HDR10+, 1300 nits (peak)	Super AMOLED, 120Hz, HDR10+, 1300 nits (peak)
Size	6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio)	6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio)
Resolution	1080 x 2400 pixels, 20:9 ratio (~395 ppi density)	1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Protection	Corning Gorilla Glass 5	Corning Gorilla Glass 5

Platform
OS	Android 11, MIUI 12	Android 11, MIUI 12
Chipset	Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)	Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU	Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)	Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU	Adreno 650	Adreno 660

Memory
Card slot	No	No
Internal	128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM	128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
	UFS 3.1	UFS 3.1

Main Camera
Modules	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), 1/5.0", 1.12µm	64 MP, f/1.9, 26mm (wide), 1/1.7", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide) 5 MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm
Features	LED flash, HDR, panorama	LED flash, HDR, panorama
Video	4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS	8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+

Selfie Camera
Modules	20 MP, f/2.5, (wide), 1/3.4", 0.8µm	20 MP, f/2.5, (wide), 1/3.4", 0.8µm
Features	HDR	HDR
Video	1080p@30fps, 720p@120fps	1080p@30fps, 720p@120fps

Sound
Loudspeaker	Yes, with stereo speakers	Yes, with stereo speakers
3.5mm jack	No	No
	24-bit/192kHz Hi-Res audio	24-bit/192kHz Hi-Res audio Snapdragon Sound

Comms
WLAN	Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Bluetooth	5.1, A2DP, LE	5.2, A2DP, LE, aptX HD, aptX Adaptive
Positioning	GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC	GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
NFC	Yes	Yes
Infrared port	Yes	Yes
Radio	No	No
USB	USB Type-C 2.0, OTG	USB Type-C 2.0, OTG

Features
Sensors	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum, barometer

Battery
Type	Li-Po 4520 mAh, non-removable	Li-Po 4520 mAh, non-removable
Charging	33W wired, PD3.0, QC3, 100% in 52 min (advertised)	33W wired, PD3.0, QC3, 100% in 52 min (advertised)

Misc
Colors	Black, White, Aurora	Black, White, Aurora
Models	M2012K11AC	M2012K11C
Price	About 280 EUR	About 360 EUR