Xiaomi Redmi 15 5G vs Xiaomi Poco F8 Ultra

Compared 2 smartphones : Xiaomi Redmi 15 5G Manufactured in August, 2025, with display 6.9 with chipsetQualcomm Snapdragon 6s Gen 3, vs Xiaomi Poco F8 Ultra, Manufactured in November, 2025with chipsetQualcomm Snapdragon 8 Elite Gen 5. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi 15 5G
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7000mAh vs 6500mAh
Reasons to choose Xiaomi Poco F8 Ultra
  • Higher pixel density: 416ppi
  • Lighter design: 218g vs 224g
  • Newer Bluetooth version: 6.0 vs 5.1
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 4/128 GB
- 6/128 GB
- 8/256 GB
- 12/256 GB
- 16/512 GB

Review

Key Specs Xiaomi Redmi 15 5G and Xiaomi Poco F8 Ultra
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.
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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

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.9 in 6.9 in
Resolution 1080x2340 pixels 1200x2608 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 374 ppi 416 ppi
Refresh rate 144 Hz 120 Hz
Adaptive refresh rate Yes Yes
Max brightness n/a 2000 nits
HDR support No Yes, Dolby Vision
Touch Sampling Rate n/a 480 Hz
Screen-to-body ratio 83.1 % 91.9 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Redmi 15 5G
n/a
Xiaomi Poco F8 Ultra
3501 nits

Design & Build

Design and ergonomics comparison
Height 171.1 mm (6.74 in) 163.3 mm (6.43 in)
Width 82.1 mm (3.23 in) 77.8 mm (3.06 in)
Thickness 8.6 mm (0.34 in) 7.9 mm (0.31 in)
Weight 224 g (7.9 oz) 218 g (7.69 oz)
Water resistance IP64 IP68
Cooling system n/a Vapor chamber
Back panel Plastic n/a
Frame Plastic Metal
Colors - Black
- Gray
- Green
- White
- Black
- Blue
Fingerprint sensor Yes, In-Button Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi 15 5G
83.1 %
Xiaomi Poco F8 Ultra
91.9 %

Performance

Testing Xiaomi Redmi 15 5G and Xiaomi Poco F8 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 6s Gen 3 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2300 MHz 4600 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/2 (Cortex-A55)
- 2/2.3 (Cortex-A78)
6/3.63 ()
Process TSMC TSMC
Transistor Size 6 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 619 Adreno 840
GPU Cores 256 1536
GPU Frequency 900 MHz 1200 MHz
FLOPS 460.8 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi 15 5G
935
Xiaomi Poco F8 Ultra
3553
Geekbench 6 (Multi-Core)
Xiaomi Redmi 15 5G
2109
Xiaomi Poco F8 Ultra
10883
Geekbench 6 (Single-Core)9353553
Geekbench 6 (Multi-Core)210910883
Geekbench Compute (GPU)n/a27420
AnTuTu 10
AnTuTu 10
Xiaomi Redmi 15 5G
473154
Xiaomi Poco F8 Ultra
3865467
CPU1531701163106
GPU916871394796
Memory99792546277
UX128505761288
NanoReview Score4731543865467

Memory

RAM
RAM Size 4 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity128 GB256 GB
Storage TypeUFS 2.2UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 16
UI Skin HyperOS 2.0 HyperOS 3

Battery

Volume 7000 mAh 6500 mAh
Max Charging Power 33 W 100 W
Battery Type n/a Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (50 W)
Reverse Charging No Yes, (Wireless)
Fast Charging Yes Yes (78% in 15 min)
Full Charge Time n/a 0:39 h
Battery Life Test
Battery Life
Xiaomi Redmi 15 5G
n/a
Xiaomi Poco F8 Ultra
32:38
Web Browsingn/a15:14 h
Video Playbackn/a22:44 h
Gamesn/a08:06 h
Standby Moden/a124 h

Main camera

Matrix 50 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Zoom Digital Optical, 5x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No Yes (Up to 30 fps)
4K Recording No Yes (Up to 60 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion n/a 960 fps (1080p)
Wide-angle lens n/a 102 °
Lenses count Standard: 50 MP
Depth
Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features Bokeh effect - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.7
Focal lengthn/a23 mm
Sensorn/aOmnivision Light Hunter 950
Sensor sizen/a1/1.31 (0.76)
Pixel sizen/a1.2 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationDigitalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/3.0
Focal lengthn/a115 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76 (0.36)
Pixel sizen/a0.64 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrixn/a50 MP
Aperturen/af/2.4
Focal lengthn/a18 mm
Sensor sizen/a1/2.88 (0.35)
Pixel sizen/a0.61 μm
Stabilizationn/aDigital

Front camera

Matrix 8 MP 32 MP
Aperture f/2.0 f/2.2
Focal length n/a 21 mm
Sensor n/a CMOS
Sensor size n/a 1/3.44 (0.29)
Pixel size n/a 0.64 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.1 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Varies by region
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
5G SupportYesYes

Sound

Speakers n/a 2.1
3.5 mm Jack Yes No
FM Radio Yes No

Other

Class Mid-range Flagship
Announced August, 2025 yr November, 2025 yr
Release Date August, 2025 yr November, 2025 yr
MSRP ($) 230 729
Sensors - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes, 33 W Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Poco F8 Ultra the clear winner in this comparison.

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