Xiaomi Redmi K40 vs Xiaomi Redmi K40S Comparison and Differences

Smartphone 1

Xiaomi Redmi K40

Xiaomi Redmi K40

Smartphone 2

Xiaomi Redmi K40S

Xiaomi Redmi K40S

Smartphone 3

Xiaomi Redmi K40 or Xiaomi Redmi K40S Specs Comparison

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Common specs

Brand and model Xiaomi Redmi K40 Xiaomi Redmi K40S
Rating (+) (+)
Release date 2021, February 25 2022, March 17
Dimensions (HxWxD) 163.7 x 76.4 x 7.8 mm | 6.44 x 6.44 x 3.01 in 163.2 x 76 x 7.7 mm | 6.43 x 6.43 x 2.99 in
Weight 196 g | 6.91 oz 195 g | 6.88 oz
Body Build Glass front (Gorilla Glass 5), plastic back
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Colors Black, White, Aurora Black, Gray, Blue, Green
Battery 4520 mAh, Li-Po, non-removable 4500 mAh, Li-Po, non-removable
Approximate price 280 EUR 260 EUR
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Screen

Technology Super AMOLED AMOLED
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M 16M
Screen size 6.67" in 6.67" in
Screen area 107.4 cm2 107.4 cm2
Screen format 20:9 (height:width) 20:9 (height:width)
Screen to body ratio 85.9% 86.6%
Screen resolution 1080 x 2400 px 1080 x 2400 px
Screen PPI /points per inch/ 395 PPI 395 PPI
Screen protection Corning Gorilla Glass 5 Corning Gorilla Glass 5
Other specs - 120Hz
-HDR10+
-1300 nits (peak)
- 120Hz
-HDR10+
-1300 nits (peak)
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Camera and Video

Rear camera, main 48 MP, Triple 48 MP, Triple
Camera specs -48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF
-8 MP, f/2.2, 119˚ (ultrawide)
-5 MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm
-48 MP, f/1.8, (wide), 1/2'', 0.8µm, PDAF, OIS
-8 MP, 119˚ (ultrawide)
-2 MP, f/2.4, (macro)
Functions LED flash, HDR, panorama Dual-LED dual-tone flash, HDR, panorama
Video 4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS 4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS
Front camera, selfie 20 MP, Single 20 MP, Single
Specifications 20 MP, f/2.5, (wide), 1/3.4", 0.8µm 20 MP, (wide)
Functions HDR
Video 1080p@30fps, 720p@120fps 1080p@30/120fps

Performance

Operating system - OS Android 11, MIUI 12 Android 12, MIUI 13
Chipset - Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) - Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
CPU - Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) - Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
GPU Adreno 650 Adreno 650
External memory No No
Internal memory 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM

Benchmark

Antutu 9 Total 722021 715894
GeekBench 6 Single Core 1177
GeekBench 6 Multi Core 3053
GeekBench 6 OpenCL 2911
GeekBench 6 Vulkan 3126
GeekBench 5 Single Core 917 983
GeekBench 5 Multi-Core 3083 3362

Communication and Connectivity

SIM card Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
Network GSM / CDMA / HSPA / CDMA2000 / LTE / 5G GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Bands -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 
CDMA 800
-3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100  
CDMA2000 1x
-4G - 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42
-5G - 1, 3, 28, 41, 77, 78 SA/NSA/Sub6
-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 
CDMA 800
-3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100  
CDMA2000 1x
-4G - 1, 2, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
-5G - 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Speed HSPA 42.2/5.76 Mbps, LTE-A, 5G HSPA 42.2/5.76 Mbps, LTE-A, 5G
GPRS Yes Yes
Edge Yes Yes
Wi-Fi 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
GPS Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC Yes, with A-GPS. Up to tri-band: GLONASS (1), BDS (3), GALILEO (2), QZSS (2), NavIC
NFC Yes Yes
USB USB Type-C 2.0, USB On-The-Go USB Type-C 2.0, USB On-The-Go
Bluetooth 5.1, A2DP, LE 5.2, A2DP, LE

Music and Audio

Radio No No
Headphone jack No No
Others - 24-bit/192kHz audio - 24-bit/192kHz audio

Other features

Sensors - Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum , Infrared port - Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum
Other extras
- Fast charging 33W, 100% in 52 min
-Power Delivery 3.0
-Quick Charge 3+

- Fast charging 67W, 100% in 38 min
-Power Delivery 3.0
-Quick Charge 3+
- Splash resistant

Reviews and Opinions on Xiaomi Redmi K40 and Xiaomi Redmi K40S

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