Home Phone comparison Xiaomi Redmi Note 15 4G and Xiaomi 17 Ultra - Which is better?

Xiaomi Redmi Note 15 4G vs Xiaomi 17 Ultra

64 out 100
Xiaomi Redmi Note 15 4G
VS
95 out 100
Xiaomi 17 Ultra
Xiaomi Redmi Note 15 4G
Xiaomi 17 Ultra

Compared 2 smartphones : Xiaomi Redmi Note 15 4G Manufactured in December, 2025, with display 6.77 with chipsetMediaTek Helio G100 Ultra, vs Xiaomi 17 Ultra, Manufactured in December, 2025with chipsetQualcomm Snapdragon 8 Elite Gen 5. 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 Redmi Note 15 4G
  • Lighter design: 183.7g vs 224g
Reasons to choose Xiaomi 17 Ultra
  • Larger display: 6.9in
  • Higher pixel density: 416ppi
  • Higher battery capacity: 6800mAh vs 6000mAh
  • Newer Bluetooth version: 5.4 vs 5.3
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Infrared port
  • Built-in eSIM
  • Includes charger

Versions

Available versions and configurations
Memory Options - 6/128 GB
- 8/128 GB
- 8/256 GB
- 8/512 GB		 - 12/512 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Xiaomi Redmi Note 15 4G and Xiaomi 17 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
Smartphones:
Redmi Note 15 4G
vs
Xiaomi 17 Ultra

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.77 in 6.9 in
Resolution 1080x2340 pixels 1200x2608 pixels
Aspect ratio n/a 19.5:9
Pixel density 388 ppi 416 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (1-120 Hz)
Max brightness n/a 1200 nits
HDR support No Yes, Dolby Vision
Screen-to-body ratio 89.7 % 92.4 %
Features DCI-P3 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 164 mm (6.46 in) 162.9 mm (6.41 in)
Width 75.4 mm (2.97 in) 77.6 mm (3.06 in)
Thickness 7.4 mm (0.29 in) 8.29 mm (0.33 in)
Weight 183.7 g (6.48 oz) 224 g (7.9 oz)
Water resistance IP64 IP69
Cooling system n/a Vapor chamber
Back panel Plastic Eco Leather
Frame Plastic Metal
Colors - Black
- Blue
- Green
- Purple		 - White
- Black
- Green
- Purple
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi Note 15 4G
89.7 %
Xiaomi 17 Ultra
92.4 %

Performance

Testing Xiaomi Redmi Note 15 4G and Xiaomi 17 Ultra In benchmarks
Processor
Chipset MediaTek Helio G100 Ultra Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2200 MHz 4610 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/2 (Cortex-A55)
- 2/2.2 (Cortex-A76)		 6/3.63 ()
Process TSMC TSMC
Transistor Size 6 nm 3 nm
Neural Processor Yes Hexagon
Graphics Mali-G57 MP2 Adreno 840
GPU Cores 64 1536
GPU Frequency 1000 MHz 1200 MHz
FLOPS 128 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi Note 15 4G
730
Xiaomi 17 Ultra
3510
Geekbench 6 (Multi-Core)
Xiaomi Redmi Note 15 4G
2025
Xiaomi 17 Ultra
10993
Geekbench 6 (Single-Core)7303510
Geekbench 6 (Multi-Core)202510993
AnTuTu 10
AnTuTu 10
Xiaomi Redmi Note 15 4G
437184
Xiaomi 17 Ultra
3963774
CPU1327241198653
GPU722381458267
Memory109980501472
UX122242805382
NanoReview Score4371843963774

Memory

RAM
RAM Size 6 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity128 GB512 GB
Storage TypeUFS 2.2UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 16
UI Skin HyperOS 2.0 HyperOS 3

Battery

Volume 6000 mAh 6800 mAh
Max Charging Power 33 W 90 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (50 W)
Reverse Charging Yes Yes, (Wireless)
Fast Charging Yes Yes

Main camera

Matrix 108 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Zoom Digital Optical, 4.3x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No Yes (Up to 30 fps)
4K Recording No Yes (Up to 120 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 120 fps)
Slow Motion n/a 1920 fps (720p)
Wide-angle lens n/a 115 °
Lenses count Standard: 108 MP
Depth: 2 MP		 Standard: 50 MP
Telephoto: 200 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix108 MP50 MP
Aperturef/1.7f/1.7
Focal length24 mm23 mm
Sensor size1/1.67 (0.6)1/1 (1)
Pixel size0.64 μm1.6 μm
AutofocusPhase autofocusLaser autofocus
StabilizationDigitalOptical
Telephoto
Matrixn/a200 MP
Aperturen/af/2.4 - 3.0
Focal lengthn/a100 mm
Sensor sizen/a1/1.4 (0.71)
Pixel sizen/a0.56 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrixn/a50 MP
Aperturen/af/2.2
Focal lengthn/a14 mm
Sensorn/aOmniVision OV50M40
Sensor sizen/a1/2.88 (0.35)
Pixel sizen/a0.61 μm
Stabilizationn/aDigital

Front camera

Matrix 20 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Aperture f/2.2 f/2.2
Sensor Omnivision OV02F CMOS
Sensor size 1/5 (0.2) 1/2.88 (0.35)
Pixel size 1.75 μm 0.61 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 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 5.3 5.4
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 No Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Varies by region Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G Bandsn/aGSM B2 / B3 / B5 / B8
3G Bandsn/aWCDMA B1 / B2 / B4 / B5 / B6 / B8 / B19
LTE Bands*n/aLTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B66/B71)
5G SupportNoYes

Sound

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

Other

Class Mid-range Flagship
Announced December, 2025 yr December, 2025 yr
Release Date December, 2025 yr December, 2025 yr
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi 17 Ultra the clear winner in this comparison.

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