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Xiaomi Redmi K40S vs Xiaomi Poco X4 NFC

Side-by-Side Specs Comparison

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Xiaomi Redmi K40S
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Xiaomi Poco X4 NFC
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Xiaomi Redmi K40S Xiaomi Poco X4 NFC
Launch
Release Date
Mar, 2022 ---
Status
Available Cancelled
Body & Operating System
Operating system
Android 12 Android 11
UI
MIUI 13 MIUI 12.5
Dimensions
163.2 x 76 x 7.7 mm (6.43 x 2.99 x 0.30 in) 163.7 x 76.2 x 8.3 mm (6.44 x 3.00 x 0.33 in)
Weight
195 g 207 g
Body
Glass front (Gorilla Glass 5), plastic back
Splash resistant
Glass front (Gorilla Glass 5), glass back
Ruggedness
NO NO
IP Rating
NO NO
Color Options
Black, Gray, Blue, Green Mysterious Black, Forest Green, Timeless Purple, Milky Way Blue
Display Specifications
Technology
AMOLED Super AMOLED
Size
6.67 inches
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6.67 inches
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Resolution
Full HD (FHD) - 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) Full HD (FHD) - 1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Protection
Corning Gorilla Glass 5 Corning Gorilla Glass 5
Features
120Hz refresh rate, HDR10+, 1300 nits (peak) 120Hz refresh rate, HDR10, 700 nits, 1200 nits (peak)
Battery & Charging
Capacity
Non-removable Li-Po, 4500 mAh
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Non-removable Li-Po, 5160 mAh
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Charging
Fast charging 67W, 100% in 38 min
Power Delivery 3.0
Quick Charge 3+
Fast charging 67W, 100% in 43 min
Power Delivery 3.0
Quick Charge 3+
Processing Power
CPU
Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) Octa-core (2x2.5 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
Chipset
Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) MediaTek Dimensity 920 5G (6 nm)
GPU
Adreno 650 Mali-G68 MC4
Memory & Storage
Ram
6-12GB RAM 6/8GB RAM
Storage Memory
128/256GB Built-in 128/256GB Built-in
Memory Card
No No
Cameras
Rear/Back
Triple 48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF, OIS
8 MP, 119° (ultrawide)
2 MP, f/2.4, (macro)
Triple 108 MP, f/1.9, 26mm (wide), 1/1.52", 0.7µm, dual pixel PDAF
8 MP, 120° (ultrawide)
2 MP, f/2.4, 50mm (telephoto macro)
Features

Dual-LED dual-tone flash, HDR, panorama
Video 4K@30fps, 1 80p@30/60/120fps, 720p@960fps; gyro-EIS Show more

LED flash, HDR, panorama
Video 4K@30fps, 1080p@30/60/120 ps, 720p@960fps Show more

Front
20 MP, (wide)
Video 1080p@30/120fps
16 MP
Video 1080p@30/60fps
Features
NA NA
Network
SIM
Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
Data
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G GSM / HSPA / EVDO / LTE / 5G
2G Bands
SIM 1: GSM 850 / 900 / 1800 / 1900
SIM 2: GSM 850 / 900 / 1800 / 1900
CDMA 800
SIM 1: GSM 850 / 900 / 1800 / 1900
SIM 2: GSM 850 / 900 / 1800 / 1900
3G Bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
CDMA2000 1x
HSDPA 800 / 850 / 900 / 1900 / 2100
CDMA2000 1xEV-DO
4G Bands
LTE bands 1, 2, 3, 4, 5, 8... LTE...
5G Bands
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA SA/NSA
Connectivity
WLAN (WIFI)
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
Bluetooth
5.2, A2DP, LE 5.2, A2DP, LE
GPS
Yes, with A-GPS. Up to tri-band: GLONASS (1), BDS (3), GALILEO (2), QZSS (2), NavIC Yes, with A-GPS. Up to tri-band: GLONASS (1), BDS (3), GALILEO (2), QZSS (2), NavIC
USB
USB Type-C 2.0, USB On-The-Go USB Type-C 2.0, USB On-The-Go
NFC
Yes Yes
Additional Features
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Misc
NA Infrared port, FM radio
Pricing
Price
US$ 291 USD $268
Resale Value
High High
Comparison Result
Score
6 Point(s) 3 Point(s)
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