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Galaxy M52 5G vs Redmi K40

Samsung Galaxy M52 5G vs Xiaomi Redmi K40

What Galaxy M52 5G does better (8) and where Redmi K40 wins (7) — every spec side by side.

Samsung · 2021Galaxy M52 5G

7.3Score

8 advantages≈ $320

Xiaomi · 2021Redmi K40

7.8Score

7 advantages≈ $300

Higher score

6.8Display7.9

7.5Camera6.7

5.3Battery4.2

7.9Features8.7

Dimensions

Size comparison

Galaxy M52 5GRedmi K40

	Galaxy M52 5G	Redmi K40	Difference
Height	164.2 mm	163.7 mm	+0.5 mm
Width	76.4 mm	76.4 mm	=
Thickness	7.4 mm	7.8 mm	−0.4 mm
Weight	173 g	196 g	−23 g

Drawn to the same scale from the official dimensions (front and side).

Why is Galaxy M52 5G better than Redmi K40?

Battery capacity5,000 mAh vs 4,520 mAh+11%
Main camera64 MP vs 48 MP+33%
Memory card slotYes · Redmi K40: No
4K selfie videoYes · Redmi K40: No
Weight173 g vs 196 g+13%
Selfie camera32 MP vs 20 MP+60%
Process6 nm vs 7 nm+17%
Thickness7.4 mm vs 7.8 mm+5%

Why is Redmi K40 better than Galaxy M52 5G?

Peak brightness400 nits vs 1,300 nits3.2×
RAM8 GB vs 12 GB+50%
Storage (max)128 GB vs 256 GB2×
Stereo speakersNo · Galaxy M52 5G: Yes
Wired charging25 W vs 33 W+32%
CPU frequency2.4 GHz vs 3.2 GHz+33%
Charged in 30 min30% vs 58%+93%

Specifications

Side by side

Only differences	Samsung Galaxy M52 5G≈ $3207.3	Xiaomi Redmi K40≈ $3007.8
Design
Weight	173 g	196 g
Thickness	7.4 mm	7.8 mm
Height	164.2 mm	163.7 mm
Width	76.4 mm	76.4 mm
Frame	Plastic	—
Back	Plastic	—
Glass protection	Corning Gorilla Glass 5	Corning Gorilla Glass 5
Colours	Icy Blue, Blazing Black, White	Black, White, Aurora
Display
Screen size	6.7″	6.7″
Panel	Super AMOLED Plus	Super AMOLED
OLED panel	Yes	Yes
Resolution (width)	1,080 px	1,080 px
Resolution (height)	2,400 px	2,400 px
Pixel density	393 ppi	395 ppi
Refresh rate	120 Hz	120 Hz
Peak brightness	400 nits	1,300 nits
Measured brightness	777 nits	—
Screen-to-body ratio	86.4%	85.9%
HDR	—	Yes
Performance
Chipset	Qualcomm SM7325 Snapdragon 778G 5G	Qualcomm SM8250-AC Snapdragon 870 5G
Chip maker	Qualcomm	Qualcomm
Process	6 nm	7 nm
CPU cores	8	8
CPU frequency	2.4 GHz	3.2 GHz
GPU	Adreno 642L	Adreno 650
AnTuTu score	504,424	—
Geekbench 6 (multi-core)	2,796	—
3DMark Wild Life Extreme	679	—
Memory
RAM	8 GB	12 GB
Storage (max)	128 GB	256 GB
Storage (base)	128 GB	128 GB
Storage type	UFS 2.1	UFS 3.1
Memory card slot	Yes	No
Camera
Main camera	64 MP	48 MP
Main camera aperture	f/1.8	f/1.8
Main sensor size	1/1.97"	1/2.0"
Rear cameras	2	2
Optical stabilisation	No	No
Ultra-wide camera	Yes	Yes
Telephoto camera	No	No
Max video	4K	4K
4K video frame rate	30 fps	30 fps
Selfie camera	32 MP	20 MP
4K selfie video	Yes	No
Battery
Battery capacity	5,000 mAh	4,520 mAh
Battery type	Li-Ion	Li-Po
Wired charging	25 W	33 W
Charged in 30 min	30%	58%
Wireless charging	No	No
Connectivity
5G	Yes	Yes
eSIM	No	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 6	Wi-Fi 6
Bluetooth	5	5.1
NFC	Yes	Yes
USB	USB Type-C 2.0	USB Type-C 2.0
USB version	2	2
Dual-band GPS	—	Yes
Satellite navigation	GLONASS, GALILEO, BDS, QZSS	GLONASS, GALILEO, BDS, QZSS, NavIC
Features
Stereo speakers	No	Yes
3.5 mm headphone jack	No	No
Loudspeaker loudness	-30 LUFS	—
Fingerprint sensor	Side	Side
Sensors	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
SAR (head)	0.79 W/kg	—
Software
OS at launch	Android 11	Android 11
Platform	Android	Android
Interface	One UI 5.1	MIUI 12