Samsung Galaxy Z Flip 3 5G vs Xiaomi Redmi 15 4G

59 out 100

VS

60 out 100

Compared 2 smartphones : Samsung Galaxy Z Flip 3 5G Manufactured in August, 2021, with display 6.7 with chipsetQualcomm Snapdragon 888 5G, vs Xiaomi Redmi 15 4G, Manufactured in August, 2025 with chipsetQualcomm Snapdragon 685. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages

Reasons to choose Samsung Galaxy Z Flip 3 5G

Higher pixel density: 426ppi
Lighter design: 183g vs 224g
Newer Bluetooth version: 5.1 vs 5
Supports Dolby Atmos
Built-in eSIM

Reasons to choose Xiaomi Redmi 15 4G

Larger display: 6.9in
Higher refresh rate: 144Hz
Higher battery capacity: 7000mAh vs 3300mAh
Infrared port
Includes charger

Versions

Available versions and configurations

Memory Options

- 8/128 GB
- 8/256 GB

- 6/128 GB
- 8/256 GB

Review

Key Specs Samsung Galaxy Z Flip 3 5G and Xiaomi Redmi 15 4G

Display

Color accuracy, sharpness & brightness

Samsung Galaxy Z Flip 3 5G

77

Xiaomi Redmi 15 4G

77

Camera

Main & front camera tests

Samsung Galaxy Z Flip 3 5G

61

Xiaomi Redmi 15 4G

59

Performance

App & system performance

Samsung Galaxy Z Flip 3 5G

52

Xiaomi Redmi 15 4G

27

Games

3D gaming performance

Samsung Galaxy Z Flip 3 5G

39

Xiaomi Redmi 15 4G

19

Battery

Battery life, charging speed & type

Samsung Galaxy Z Flip 3 5G

45

Xiaomi Redmi 15 4G

92

Connectivity

Connectivity features

Samsung Galaxy Z Flip 3 5G

78

Xiaomi Redmi 15 4G

65

NanoReview Score

Overall score by NanoReview

Samsung Galaxy Z Flip 3 5G

59

Xiaomi Redmi 15 4G

60

Adjust each parameter’s importance to find the best match for you.

Customize your score

Function

Importance (Weight)

Display:

Camera:

Performance:

Gaming:

Battery:

Connectivity:

Higher weight means greater impact on NanoReview score.

Display

Display quality comparison

Type	Dynamic AMOLED	IPS LCD
Size	6.7 in	6.9 in
Resolution	1080x2640 pixels	1080x2340 pixels
Aspect ratio	21.9:9	19.5:9
Pixel density	426 ppi	374 ppi
Refresh rate	120 Hz	144 Hz
Adaptive refresh rate	Yes	Yes
Max brightness	850 nits	n/a
HDR support	Yes HDR10+	No
Screen-to-body ratio	85 %	83.1 %
Features	- DCI-P3 - Always-On Display	n/a

Peak brightness (auto)

Samsung Galaxy Z Flip 3 5G

926 nits

Xiaomi Redmi 15 4G

n/a

sRGB gamut	95.3 %	n/a
PWM (Flicker)	242 Hz	n/a
Response time	6.5 ms	n/a
Contrast	∞ Infinite	n/a

Sources: NotebookCheck [Samsung Galaxy Z Flip 3 5G]

Design & Build

Design and ergonomics comparison

Height	166 mm (6.54 in)	171.1 mm (6.74 in)
Width	72.2 mm (2.84 in)	82.1 mm (3.23 in)
Thickness	6.9 mm (0.27 in)	8.6 mm (0.34 in)
Weight	183 g (6.46 oz)	224 g (7.9 oz)
Water resistance	IPX8	IP64
Back panel	Glass	Plastic
Frame	Metal	Plastic
Colors	- White - Black - Gray - Green - Pink	- Black - Gray - Purple
Fingerprint sensor	Yes In-Button	Yes, In-Button

Screen-to-body ratio

Samsung Galaxy Z Flip 3 5G

85 %

Xiaomi Redmi 15 4G

83.1 %

Performance

Testing Samsung Galaxy Z Flip 3 5G and Xiaomi Redmi 15 4G In benchmarks

Chipset	Qualcomm Snapdragon 888 5G	Qualcomm Snapdragon 685
Max Frequency	2840 MHz	2800 MHz
CPU Cores	8 (1 + 3 + 4)	8 (4 + 4)
Architecture	- 4/1.8 (Kryo 680 Silver (Cortex-A55)) - 3/2.42 (Kryo 680 Gold (Cortex-A78)) - 1/2.84 (Kryo 680 Prime (Cortex-X1))	- 4/1.9 (Cortex-A53) - 4/2.8 (Cortex-A73)
Process	Samsung	TSMC
Transistor Size	5 nm	6 nm
Neural Processor	Hexagon 780	Hexagon 686
Graphics	Adreno 660	Adreno 610
GPU Cores	1024	128
GPU Frequency	840 MHz	1260 MHz
FLOPS	1290.2 GFLOPS	322.6 GFLOPS

Geekbench 6 (Single-Core)

Samsung Galaxy Z Flip 3 5G

1332

Xiaomi Redmi 15 4G

475

Geekbench 6 (Multi-Core)

Samsung Galaxy Z Flip 3 5G

3646

Xiaomi Redmi 15 4G

1514

Geekbench 6 (Single-Core)	1332	475
Geekbench 6 (Multi-Core)	3646	1514

AnTuTu 10

Samsung Galaxy Z Flip 3 5G

833372

Xiaomi Redmi 15 4G

380990

CPU	240646	114885
GPU	210648	57988
Memory	164892	103236
UX	217186	104881
NanoReview Score	833372	380990

3DMark Wild Life

Samsung Galaxy Z Flip 3 5G

4598

Xiaomi Redmi 15 4G

n/a

Max Surface Temp.	39.1 °C	n/a
Stability	71 %	n/a
Graphics Test	27 fps	n/a
Graphics Score	4598	n/a

Sources: 3DMark [Samsung Galaxy Z Flip 3 5G]

PCMark 3.0

Samsung Galaxy Z Flip 3 5G

13933

Xiaomi Redmi 15 4G

n/a

Writing score	16293	n/a
Web score	12351	n/a
Video editing	7731	n/a
Data manipulation	10517	n/a
NanoReview Score	13933	n/a

Memory

RAM Size	8 GB	6 GB
Memory Type	LPDDR5	LPDDR4X
Memory Frequency	2750 MHz	2133 MHz
Channels	2	2

Storage Capacity	- 128 GB - 256 GB	128 GB
Storage Type	UFS 3.1	UFS 2.2
Memory Card	No	MicroSD

Software

OS	Android 11 (Upgradeable to Android 14)	Android 15
OS Size	29 GB	n/a
UI Skin	One UI 6.1	HyperOS 2.0

Battery

Volume	3300 mAh	7000 mAh
Max Charging Power	25 W	33 W
Battery Type	Li-ion	n/a
Removable	No	No
Wireless Charging	Yes (10 W)	No
Reverse Charging	Yes (Wireless)	No
Fast Charging	Yes (40% in 30 min)	Yes
Full Charge Time	1:30 h	n/a

Battery Life

Samsung Galaxy Z Flip 3 5G

14:13

Xiaomi Redmi 15 4G

n/a

Web Browsing	05:34 h	n/a
Video Playback	09:17 h	n/a
Games	03:55 h	n/a
Standby Mode	65 h	n/a

Main camera

Matrix	12 MP	50 MP
Photo resolution	4000x3000 pixels	n/a
Zoom	Digital	Digital
Flash	LED	LED
Stabilization	Optical	Digital
8K Recording	No	No
4K Recording	Yes (Up to 60 fps)	No
1080p Recording	Yes (Up to 60 fps)	Yes (Up to 30 fps)
Slow Motion	960 fps (720p)	n/a
Wide-angle lens	123 °	n/a
Lenses count	Standard: 12 MP Ultra-wide: 12 MP	Standard: 50 MP Depth
Features	- Bokeh effect - Pro mode - RAW support	Bokeh effect

Matrix	12 MP	50 MP
Aperture	f/1.8	f/1.8
Focal length	27 mm	n/a
Sensor	Sony IMX563	n/a
Sensor size	1/2.55	n/a
Pixel size	1.4 μm	n/a
Autofocus	Phase autofocus (Dual Pixel)	Phase autofocus
Stabilization	Optical	Digital

Matrix	12 MP	n/a
Aperture	f/2.2	n/a
Focal length	22 mm	n/a
Sensor	Sony IMX258	n/a
Sensor size	1/3.06	n/a
Pixel size	1.12 μm	n/a
Stabilization	Digital	n/a

Photo quality

Samsung Galaxy Z Flip 3 5G

118

Xiaomi Redmi 15 4G

n/a

Video quality

Samsung Galaxy Z Flip 3 5G

110

Xiaomi Redmi 15 4G

n/a

Overall camera score

Samsung Galaxy Z Flip 3 5G

111

Xiaomi Redmi 15 4G

n/a

Bokeh	55	n/a
Preview	69	n/a
Zoom	72	n/a

Sources: DxOMark [Samsung Galaxy Z Flip 3 5G]

Front camera

Matrix	10 MP	8 MP
Photo resolution	3648x2736 pixels	n/a
Aperture	f/2.4	f/2.0
Focal length	26 mm	n/a
Sensor	Sony IMX374	n/a
Sensor size	1/3.2	n/a
Pixel size	1.22 μm	n/a
Autofocus	Phase autofocus (Dual Pixel)	No
Stabilization	Digital	Digital
Video resolution	2160p (4K) at 60 fps	1080p (Full HD) at 30 fps
TOF 3D sensor	No	No

Connectivity

Wi-Fi version	Wi-Fi 6 (802.11 a/b/g/n/ac/ax)	Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features	- Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display	- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display
Bluetooth version	5.1	5
Bluetooth features	LE, A2DP	LE
USB type	USB Type-C	USB Type-C
USB version	2	2
USB features	- Charging - USB Storage Mode - OTG	- Charging - USB Storage Mode - OTG
GPS	- GPS - GLONASS - Beidou - Galileo	- GPS - GLONASS - Beidou - Galileo
NFC*	Yes	Yes
Infrared Port	No	Yes

SIM Count*	1	2
SIM Type	Nano	Nano
SIM Mode	n/a	Dual SIM Standby
eSIM Support *	Yes	No
Hybrid Slot	No	No
2G Bands	GSM GSM850, GSM900, DCS1800, PCS1900	n/a
3G Bands	UMTS B1 (2100), B2 (1900), B4(AWS), B5(850), B8 (900)	n/a
LTE Bands*	LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B66)	n/a
LTE category	20	n/a
5G Support	Yes	No

Sound

Speakers	Stereo	n/a
3.5 mm Jack	No	Yes
FM Radio	No	No
Dolby Atmos	Yes	n/a

Max Volume

Samsung Galaxy Z Flip 3 5G

88.6 dB

Xiaomi Redmi 15 4G

n/a

Other

Class	Flagship	Budget
Announced	August, 2021 yr	August, 2025 yr
Release Date	August, 2021 yr	August, 2025 yr
Launch Price ($)	1000	n/a
MSRP ($)	n/a	150
Sensors	- Hall Sensor - Barometer - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor	- Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor
Charger Included	No	Yes, 33 W

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which smartphone would you pick?

Samsung Galaxy Z Flip 3 5G

0 (0%)

Xiaomi Redmi 15 4G

0 (0%)

Total Votes: 0

Samsung Galaxy Z Flip 3 5G vs Xiaomi Redmi 15 4G

Key Differences

Versions

Review

Tests & specs

Display

Design & Build

Performance

Memory

Software

Battery

Main camera

Front camera

Connectivity

Sound

Other

Results

Survey

User comments