Home Phone comparison Samsung Galaxy S7 Edge and Xiaomi Redmi 15 4G - Which is better?

Samsung Galaxy S7 Edge vs Xiaomi Redmi 15 4G

40 out 100
Samsung Galaxy S7 Edge
VS
60 out 100
Xiaomi Redmi 15 4G
Samsung Galaxy S7 Edge
Xiaomi Redmi 15 4G

Compared 2 smartphones : Samsung Galaxy S7 Edge Manufactured in March, 2016, with display 5.5 with chipsetSamsung Exynos 8 Octa 8890, vs Xiaomi Redmi 15 4G, Manufactured in August, 2025 with chipsetQualcomm Snapdragon 685. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy S7 Edge
  • Higher pixel density: 534ppi
  • Lighter design: 157g vs 224g
Reasons to choose Xiaomi Redmi 15 4G
  • Larger display: 6.9in
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7000mAh vs 3600mAh
  • Newer Bluetooth version: 5 vs 4.2
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 4/32 GB
- 4/64 GB
- 4/128 GB		 - 6/128 GB
- 8/256 GB

Review

Key Specs Samsung Galaxy S7 Edge and Xiaomi Redmi 15 4G
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
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.

Tests & specs

Specs & test comparison
Smartphones:
Samsung Galaxy S7 Edge
vs
Xiaomi Redmi 15 4G

Display

Display quality comparison
Type Super AMOLED IPS LCD
Size 5.5 in 6.9 in
Resolution 1440x2560 pixels 1080x2340 pixels
Aspect ratio 16:9 19.5:9
Pixel density 534 ppi 374 ppi
Refresh rate 60 Hz 144 Hz
Adaptive refresh rate No Yes
Max brightness 610 nits n/a
HDR support No No
Screen-to-body ratio 76.2 % 83.1 %
Features Always-On Display n/a
Display test
Peak brightness (auto)
Samsung Galaxy S7 Edge
607 nits
Xiaomi Redmi 15 4G
n/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy S7 Edge]

Design & Build

Design and ergonomics comparison
Height 150.9 mm (5.94 in) 171.1 mm (6.74 in)
Width 72.6 mm (2.86 in) 82.1 mm (3.23 in)
Thickness 7.7 mm (0.3 in) 8.6 mm (0.34 in)
Weight 157 g (5.54 oz) 224 g (7.9 oz)
Water resistance IP68 IP64
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Silver
- Gold		 - Black
- Gray
- Purple
Fingerprint sensor Yes In-Button Yes, In-Button
Screen-to-body ratio
Samsung Galaxy S7 Edge
76.2 %
Xiaomi Redmi 15 4G
83.1 %

Performance

Testing Samsung Galaxy S7 Edge and Xiaomi Redmi 15 4G In benchmarks
Processor
Chipset Samsung Exynos 8 Octa 8890 Qualcomm Snapdragon 685
Max Frequency 2300 MHz 2800 MHz
CPU Cores 8 (4 + 4) 8 (4 + 4)
Architecture - 4/1.6 (Cortex-A53)
- 4/2.3 (Mongoose M1)		 - 4/1.9 (Cortex-A53)
- 4/2.8 (Cortex-A73)
Process Samsung TSMC
Transistor Size 14 nm 6 nm
Neural Processor No Hexagon 686
Graphics Mali-T880 MP12 Adreno 610
GPU Cores 192 128
GPU Frequency 650 MHz 1260 MHz
FLOPS 249.6 GFLOPS 322.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S7 Edge
n/a
Xiaomi Redmi 15 4G
475
Geekbench 6 (Multi-Core)
Samsung Galaxy S7 Edge
n/a
Xiaomi Redmi 15 4G
1514
Geekbench 6 (Single-Core)n/a475
Geekbench 6 (Multi-Core)n/a1514
AnTuTu 10
AnTuTu 10
Samsung Galaxy S7 Edge
299737
Xiaomi Redmi 15 4G
380990
CPU91571114885
GPU6737357988
Memory76050103236
UX64743104881
NanoReview Score299737380990

Memory

RAM
RAM Size 4 GB 6 GB
Memory Type LPDDR4 LPDDR4X
Memory Frequency 1794 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 32 GB
- 64 GB		128 GB
Storage TypeUFS 2.0UFS 2.2
Memory CardMicroSDMicroSD

Software

OS Android 6.0 (Upgradeable to Android 8.0) Android 15
OS Size 7.6 GB n/a
UI Skin TouchWiz UI HyperOS 2.0

Battery

Volume 3600 mAh 7000 mAh
Max Charging Power 15 W 33 W
Battery Type Li-ion n/a
Removable No No
Wireless Charging Yes Qi/PMA No
Reverse Charging No No
Fast Charging Yes Samsung Adaptive Fast Charge (50% in 40 min) Yes
Full Charge Time 1:55 h n/a
Battery Life Test
Battery Life
Samsung Galaxy S7 Edge
17:58
Xiaomi Redmi 15 4G
n/a
Web Browsing06:39 hn/a
Video Playback10:54 hn/a
Games04:42 hn/a
Standby Mode90 hn/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 30 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (720p) n/a
Lenses count Standard: 12 MP Standard: 50 MP
Depth
Features Pro mode Bokeh effect
Main lens
Matrix12 MP50 MP
Aperturef/1.7f/1.8
Focal length26 mmn/a
SensorSony IMX260n/a
Sensor size1/2.55n/a
Pixel size1.4 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S7 Edge
91
Xiaomi Redmi 15 4G
n/a
Video quality
Samsung Galaxy S7 Edge
86
Xiaomi Redmi 15 4G
n/a
Overall camera score
Samsung Galaxy S7 Edge
89
Xiaomi Redmi 15 4G
n/a
Sources: DxOMark [Samsung Galaxy S7 Edge]

Front camera

Matrix 5 MP 8 MP
Photo resolution 2560x1440 pixels n/a
Aperture f/1.7 f/2.0
Focal length 22 mm n/a
Sensor Samsung S5K4E5 n/a
Sensor size 1/4.1 n/a
Pixel size 1.34 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 4.2 5
Bluetooth features PBAP/PAB, PAN, OPP, MAP, LE, HSP, HID, HFP, DIP, AVRCP, A2DP LE
USB type Micro USB USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- USB-Host mode		 - Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotYesNo
2G BandsGSM 850, GSM 900, GSM 1800, GSM 1900n/a
3G BandsHSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100n/a
LTE Bands*LTE (B800/B850/B900/B1800/B1900/B2100/B2300/B2600)n/a
LTE category9n/a
5G SupportNoNo

Sound

Speakers Mono n/a
3.5 mm Jack Yes Yes
FM Radio No No
Dolby Atmos No n/a
Speaker Test
Max Volume
Samsung Galaxy S7 Edge
71 dB
Xiaomi Redmi 15 4G
n/a

Other

Class Flagship Budget
Announced February, 2016 yr August, 2025 yr
Release Date March, 2016 yr August, 2025 yr
Launch Price ($) 800 n/a
MSRP ($) n/a 150
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 33 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Redmi 15 4G the clear winner in this comparison.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below