Home Phone comparison Xiaomi Poco X7 and Xiaomi Redmi 15 4G - Which is better?

Xiaomi Poco X7 vs Xiaomi Redmi 15 4G

66 out 100
Xiaomi Poco X7
VS
60 out 100
Xiaomi Redmi 15 4G
Xiaomi Poco X7
Xiaomi Redmi 15 4G

Compared 2 smartphones : Xiaomi Poco X7 Manufactured in January, 2025, with display 6.67 with chipsetMediaTek Dimensity 7300 Ultra, vs Xiaomi Redmi 15 4G, Manufactured in August, 2025with 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 Xiaomi Poco X7
  • Higher pixel density: 446ppi
  • Lighter design: 185.5g vs 224g
  • Newer Bluetooth version: 5.4 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 5110mAh

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB
- 12/512 GB		 - 6/128 GB
- 8/256 GB

Review

Key Specs Xiaomi Poco X7 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
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Xiaomi Poco X7
vs
Xiaomi Redmi 15 4G

Display

Display quality comparison
Type AMOLED IPS LCD
Size 6.67 in 6.9 in
Resolution 1220x2712 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 446 ppi 374 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes Yes
Max brightness 1200 nits n/a
HDR support Yes Dolby Vision No
Touch Sampling Rate 480 Hz n/a
Screen-to-body ratio 88.9 % 83.1 %
Features - DCI-P3
- Always-On Display
- DC dimming		 n/a
Display test
Peak brightness (auto)
Xiaomi Poco X7
1107 nits
Xiaomi Redmi 15 4G
n/a
sRGB gamut100 %n/a
PWM (Flicker)120 Hzn/a
Response time1 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Xiaomi Poco X7]

Design & Build

Design and ergonomics comparison
Height 162.33 mm (6.39 in) 171.1 mm (6.74 in)
Width 74.42 mm (2.93 in) 82.1 mm (3.23 in)
Thickness 8.4 mm (0.33 in) 8.6 mm (0.34 in)
Weight 185.5 g (6.54 oz) 224 g (7.9 oz)
Water resistance IP68 IP64
Cooling system Vapor chamber n/a
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Silver
- Green		 - Black
- Gray
- Purple
Fingerprint sensor Yes In-Display Yes, In-Button
Screen-to-body ratio
Xiaomi Poco X7
88.9 %
Xiaomi Redmi 15 4G
83.1 %

Performance

Testing Xiaomi Poco X7 and Xiaomi Redmi 15 4G In benchmarks
Processor
Chipset MediaTek Dimensity 7300 Ultra Qualcomm Snapdragon 685
Max Frequency 2500 MHz 2800 MHz
CPU Cores 8 (4 + 4) 8 (4 + 4)
Architecture - 4/2 (Cortex-A55)
- 4/2.5 (Cortex-A78)		 - 4/1.9 (Cortex-A53)
- 4/2.8 (Cortex-A73)
Process TSMC TSMC
Transistor Size 4 nm 6 nm
Neural Processor MediaTek APU 655 Hexagon 686
Graphics Mali-G615 MP2 Adreno 610
GPU Cores 256 128
GPU Frequency 1047 MHz 1260 MHz
FLOPS 536.1 GFLOPS 322.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco X7
1031
Xiaomi Redmi 15 4G
475
Geekbench 6 (Multi-Core)
Xiaomi Poco X7
2842
Xiaomi Redmi 15 4G
1514
Geekbench 6 (Single-Core)1031475
Geekbench 6 (Multi-Core)28421514
Geekbench Compute (GPU)2507n/a
Sources: Geekbench v6 [Xiaomi Poco X7]
AnTuTu 10
AnTuTu 10
Xiaomi Poco X7
675069
Xiaomi Redmi 15 4G
380990
CPU203194114885
GPU14333857988
Memory159275103236
UX169262104881
NanoReview Score675069380990

Memory

RAM
RAM Size - 8 GB
- 12 GB		 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB
- 512 GB		128 GB
Storage TypeUFS 2.2UFS 2.2
Memory CardNoMicroSD

Software

OS Android 14 Android 15
UI Skin HyperOS 1.0 HyperOS 2.0

Battery

Volume 5110 mAh 7000 mAh
Max Charging Power 45 W 33 W
Battery Type Li-Po n/a
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (62% in 30 min) Yes
Full Charge Time 1:05 h n/a
Battery Life Test
Battery Life
Xiaomi Poco X7
19:25
Xiaomi Redmi 15 4G
n/a
Web Browsing06:50 hn/a
Video Playback10:59 hn/a
Games05:14 hn/a
Standby Mode104 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 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
Wide-angle lens 120 ° n/a
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Macro: 2 MP		 Standard: 50 MP
Depth
Features - Bokeh effect
- Pro mode		 Bokeh effect
Main lens
Matrix50 MP50 MP
Aperturef/1.5f/1.8
Focal length26 mmn/a
SensorSony IMX882n/a
Sensor size1/1.96n/a
Pixel size0.8 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.2n/a
Focal length15 mmn/a
SensorSony IMX355n/a
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 20 MP 8 MP
Photo resolution 5184x3888 pixels n/a
Aperture f/2.2 f/2.0
Focal length 25 mm n/a
Sensor Omnivision OV20B n/a
Sensor size 1/4.0 n/a
Pixel size 0.7 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) 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 5.4 5
Bluetooth features LE 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
DisplayPort No n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8n/a
3G BandsWCDMA B1/2/4/5/6/8/19n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B28/B38/B40/B41/B42/B48/B66)n/a
5G SupportYesNo

Sound

Speakers Stereo n/a
3.5 mm Jack No Yes
FM Radio No No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Xiaomi Poco X7
91.4 dB
Xiaomi Redmi 15 4G
n/a

Other

Class Mid-range Budget
Announced January, 2025 yr August, 2025 yr
Release Date January, 2025 yr August, 2025 yr
Launch Price ($) 229 n/a
MSRP ($) n/a 150
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 45 W Yes, 33 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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