Home Phone comparison Xiaomi Redmi Note 8 and Xiaomi 15T - Which is better?

Xiaomi Redmi Note 8 vs Xiaomi 15T

42 out 100
Xiaomi Redmi Note 8
VS
82 out 100
Xiaomi 15T
Xiaomi Redmi Note 8
Xiaomi 15T

Compared 2 smartphones : Xiaomi Redmi Note 8 Manufactured in September, 2019, with display 6.3 with chipsetQualcomm Snapdragon 665, vs Xiaomi 15T, Manufactured in September, 2025 with chipsetMediaTek Dimensity 8400 Ultra. 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 8
  • Lighter design: 190g vs 194g
Reasons to choose Xiaomi 15T
  • Larger display: 6.83in
  • Higher pixel density: 447ppi
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 5500mAh vs 4000mAh
  • Newer Bluetooth version: 6.0 vs 5
  • Supports Dolby Atmos
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 3/32 GB
- 4/64 GB
- 4/128 GB
- 6/64 GB
- 6/128 GB		 - 12/256 GB
- 12/512 GB

Review

Key Specs Xiaomi Redmi Note 8 and Xiaomi 15T
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:
Xiaomi Redmi Note 8
vs
Xiaomi 15T

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.3 in 6.83 in
Resolution 1080x2340 pixels 1280x2772 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 409 ppi 447 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes
Max brightness 450 nits n/a
HDR support No Yes, Dolby Vision
Touch Sampling Rate n/a 480 Hz
Screen-to-body ratio 81.8 % 89.9 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Redmi Note 8
629 nits
Xiaomi 15T
n/a

Design & Build

Design and ergonomics comparison
Height 158.3 mm (6.23 in) 163.2 mm (6.43 in)
Width 75.3 mm (2.96 in) 78 mm (3.07 in)
Thickness 8.4 mm (0.33 in) 7.5 mm (0.3 in)
Weight 190 g (6.7 oz) 194 g (6.84 oz)
Water resistance No IP68
Cooling system n/a Vapor chamber
Back panel Glass n/a
Frame Plastic Plastic
Colors - White
- Black
- Blue		 - Black
- Gray
- Rose Gold
Fingerprint sensor Yes rear Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi Note 8
81.8 %
Xiaomi 15T
89.9 %

Performance

Testing Xiaomi Redmi Note 8 and Xiaomi 15T In benchmarks
Processor
Chipset Qualcomm Snapdragon 665 MediaTek Dimensity 8400 Ultra
Max Frequency 2000 MHz 3250 MHz
CPU Cores 8 (4 + 4) 8 (1 + 3 + 4)
Architecture - 4/1.8 (Kryo 260 Silver (Cortex-A53))
- 4/2 (Kryo 260 Gold (Cortex-A73))		 - 4/2.1 (Cortex-A725)
- 3/3 (Cortex-A725)
- 1/3.25 (Cortex-A725)
Process Samsung TSMC
Transistor Size 11 nm 4 nm
Neural Processor Hexagon 686 MediaTek NPU 880
Graphics Adreno 610 Mali-G720 MP7
GPU Cores 128 896
GPU Frequency 950 MHz 1300 MHz
FLOPS 243.2 GFLOPS 2329.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi Note 8
508
Xiaomi 15T
1603
Geekbench 6 (Multi-Core)
Xiaomi Redmi Note 8
1549
Xiaomi 15T
6413
Geekbench 6 (Single-Core)5081603
Geekbench 6 (Multi-Core)15496413
Geekbench Compute (GPU)n/a11228
Sources: Geekbench v6 [Xiaomi 15T]
AnTuTu 10
AnTuTu 10
Xiaomi Redmi Note 8
234980
Xiaomi 15T
1872827
CPU81495448609
GPU34985683486
Memory51998396486
UX66502344246
NanoReview Score2349801872827
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi Note 8
262
Xiaomi 15T
n/a
Stability98 %n/a
Graphics Test1 fpsn/a
Graphics Score262n/a
Sources: 3DMark [Xiaomi Redmi Note 8]
PCMark 3.0
PCMark 3.0
Xiaomi Redmi Note 8
6415
Xiaomi 15T
n/a
Writing score6541n/a
Web score5754n/a
Video editing4954n/a
Data manipulation5104n/a
NanoReview Score6415n/a

Memory

RAM
RAM Size - 3 GB
- 4 GB
- 6 GB		 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 1866 MHz n/a
Channels 2 4
Storage
Storage Capacity- 32 GB
- 64 GB
- 128 GB		256 GB
Storage TypeeMMC 5.1UFS 4.1
Memory CardMicroSDNo

Software

OS Android 9.0 (Upgradeable to Android 11) Android 15
UI Skin MIUI 12.5 Enhanced HyperOS 2.0

Battery

Volume 4000 mAh 5500 mAh
Max Charging Power 18 W 67 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes Quick Charge 4.0 (50% in 35 min) Yes (50% in 22 min)
Full Charge Time 2:05 h 0:50 h
Battery Life Test
Battery Life
Xiaomi Redmi Note 8
19:18
Xiaomi 15T
n/a
Web Browsing07:46 hn/a
Video Playback12:22 hn/a
Games05:10 hn/a
Standby Mode88 hn/a

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels 8192x6144 pixels
Zoom Digital Optical, 2x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (720p) 240 fps (1080p)
Wide-angle lens 118 ° 120 °
Lenses count Standard: 48 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix48 MP50 MP
Aperturef/1.8f/1.7
Focal length26 mm23 mm
SensorSamsung S5KGM2Omnivision OV50 Light Hunter 800
Sensor size1/21/1.55
Pixel size0.8 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/1.9
Focal lengthn/a46 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
Stabilizationn/aDigital
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal length13 mm15 mm
SensorOmnivision OV8856n/a
Sensor size1/51/3.06
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 13 MP 32 MP
Photo resolution 4224x3136 pixels n/a
Aperture f/2.0 f/2.2
Focal length 2821 mm 21 mm
Sensor Omnivision OV13855 CMOS
Sensor size 1/2.9 1/3.44
Pixel size 1.12 μm 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 6E (802.11 a/b/g/n/ac/ax)
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 6.0
Bluetooth features LE, HID, 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
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* No Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 1800 / 1900 / 850 / 900 MHzGSM 2/3/5/8
3G BandsUMTS 1900 / 2100 / 850 / 900 MHzWCDMA B1/2/4/5/8/6/19
LTE Bands*LTE (B34)/B38)/B39)/B40)/B41)/B1900(/B2100(/B2300(/B2500(/B2600()LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B66/B71)
LTE category12n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Redmi Note 8
81.3 dB
Xiaomi 15T
n/a

Other

Class Mid-range Mid-range
Announced August, 2019 yr September, 2025 yr
Release Date September, 2019 yr September, 2025 yr
Launch Price ($) 190 n/a
MSRP ($) n/a 650
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a No
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi 15T the clear winner in this comparison.

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