Redmi K40 Ultra Smartphone Specs

Redmi K40 Ultra

Brand: Xiaomi
Category: Mobile
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Processor
RAM
Storage
Display
Camera
Operating System

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Redmi K40 Ultra
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Redmi K40 Ultra $ 588.70
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Our Rating

The overall rating is based on review by our experts

8.1

Design 8 / 10
Display 8 / 10
Multimedia 8 / 10
Connectivity 8 / 10
Features 8 / 10
Camera 8 / 10
Performance 9 / 10
Call Quality 8 / 10
Usability 8 / 10
Battery 8 / 10

Redmi K40 Ultra Specifications

NETWORKS
2G	GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2 CDMA 800 & TD-SCDMA
3G	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G	LTE (unspecified)
5G	1, 3, 41, 78, 79 SA/NSA – China
Speed	HSPA 42.2/5.76 Mbps, LTE-A; 5G
BODY
Dimensions	163.3 x 75.4 x 9.1 mm (6.43 x 2.97 x 0.36 in)
Weight	213 g (7.51 oz)
Colors	Moonlight White, Midnight Black, Mint Green
Material	–
SIMs	Dual SIM (Nano-SIM, dual stand-by)
Water/Dust	No
DISPLAY
Size	6.67 inches
Type	AMOLED capacitive touchscreen, 16M colors
Resolutions	1080 x 2400 pixels, 20:9 ratio HDR10+ 120Hz refresh rate 800 nits typ. brightness (advertised)
PPI	395 ppi density
Multi touch	Yes
Protection	–
PLATFORM
CPU	Octa-core (4×2.6 GHz Cortex-A77 & 4×2.0 GHz Cortex-A55)
Chipset	Mediatek Dimensity 1000+ (7nm)
GPU	Mali-G77 MC9
RAM	6GB
Storage	128GB
Card Slot	No
OS	Android 11
CAMERA
Main Quad	64 MP, f/1.9, 26mm (wide), 1/1.72″, 0.8µm, PDAF 13 MP, f/2.4, 119? (ultrawide), 1.12µm 5 MP, f/2.2, 50mm (telephoto macro), AF 2 MP, f/2.4, (depth)
Features	Dual-LED dual-tone flash, HDR, panorama
Videos	4K@30fps
Front	Motorized pop-up 20 MP, (wide) HDR 1080p@30fps, 720p@120fps
BATTERY
Type	Non-removable Li-Po 4500 mAh battery
Charging	Fast battery charging 33W
Talk Time	N/A
Stand-by	N/A
COMMONS
Sensors	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Sound	3.5mm Jeck 24-bit/192kHz audio Active noise cancellation with dedicated mic
USB	2.0, Type-C 1.0 reversible connector, USB On-The-Go
Walan	Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
Bluetooth	5.1, A2DP, LE, aptX HD, aptX Adaptive
GPS	Yes, with A-GPS, BDS