Home Phone comparison Apple iPhone 15 and Xiaomi Redmi K90 - Which is better?

Apple iPhone 15 vs Xiaomi Redmi K90

80 out 100
Apple iPhone 15
VS
91 out 100
Xiaomi Redmi K90
Apple iPhone 15
Xiaomi Redmi K90

Compared 2 smartphones : Apple iPhone 15 Manufactured in September, 2023, with display 6.1 with chipsetApple A16 Bionic, vs Xiaomi Redmi K90, Manufactured in October, 2025with chipsetQualcomm Snapdragon 8 Elite. 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 Apple iPhone 15
  • Lighter design: 171g vs 206g
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM
Reasons to choose Xiaomi Redmi K90
  • Larger display: 6.59in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 7100mAh vs 3349mAh
  • Newer Bluetooth version: 5.4 vs 5.3
  • Infrared port
  • Includes charger
  • Fingerprint scanner

Versions

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

Review

Key Specs Apple iPhone 15 and Xiaomi Redmi K90
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:
Apple iPhone 15
vs
Xiaomi Redmi K90

Display

Display quality comparison
Type OLED OLED
Size 6.1 in 6.59 in
Resolution 1179x2556 pixels 1156x2510 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 460 ppi n/a
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness 2000 nits n/a
HDR support Yes Dolby Vision Yes, Dolby Vision
Touch Sampling Rate n/a 480 Hz
Screen-to-body ratio 86.4 % 89.9 %
Features DCI-P3 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Apple iPhone 15
1646 nits
Xiaomi Redmi K90
n/a
sRGB gamut99.6 %n/a
PWM (Flicker)306 Hzn/a
Response time2 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Apple iPhone 15]

Design & Build

Design and ergonomics comparison
Height 147.6 mm (5.81 in) 157.49 mm (6.2 in)
Width 71.6 mm (2.82 in) 75.25 mm (2.96 in)
Thickness 7.8 mm (0.31 in) 8 mm (0.31 in)
Weight 171 g (6.03 oz) 206 g (7.27 oz)
Water resistance IP68 IP68
Cooling system n/a Vapor chamber
Back panel Glass n/a
Frame Metal Metal
Colors - Black
- Blue
- Green
- Pink
- Yellow		 - White
- Black
- Blue
- Purple
Fingerprint sensor No Yes, In-Display
Screen-to-body ratio
Apple iPhone 15
86.4 %
Xiaomi Redmi K90
89.9 %

Performance

Testing Apple iPhone 15 and Xiaomi Redmi K90 In benchmarks
Processor
Chipset Apple A16 Bionic Qualcomm Snapdragon 8 Elite
Max Frequency 3460 MHz 4470 MHz
CPU Cores 6 (2 + 4) 8 (2 + 6)
Architecture - 4/2.02 (Sawtooth)
- 2/3.46 (Everest)		 - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor Apple Neural Engine Hexagon
Graphics Apple A16 GPU Adreno 830
GPU Cores 640 1536
GPU Frequency 1398 MHz 1100 MHz
FLOPS 1789.4 GFLOPS 3379.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Apple iPhone 15
2599
Xiaomi Redmi K90
2856
Geekbench 6 (Multi-Core)
Apple iPhone 15
6545
Xiaomi Redmi K90
8814
Geekbench 6 (Single-Core)25992856
Geekbench 6 (Multi-Core)65458814
Geekbench Compute (GPU)n/a24427
Sources: Geekbench v6 [Apple iPhone 15], [Xiaomi Redmi K90]
AnTuTu 10
AnTuTu 10
Apple iPhone 15
1415281
Xiaomi Redmi K90
3218814
CPU378046916055
GPU4497661150313
Memory261642513749
UX325827638697
NanoReview Score14152813218814
3DMark Wild Life
3DMark Wild Life
Apple iPhone 15
9632
Xiaomi Redmi K90
n/a
Max Surface Temp.44.3 °Cn/a
Stability81 %n/a
Graphics Test59 fpsn/a
Graphics Score9632n/a

Memory

RAM
RAM Size 6 GB 12 GB
Memory Type LPDDR5 LPDDR5X
Memory Frequency 3200 MHz 5300 MHz
Channels 4 4
Storage
Storage Capacity128 GB256 GB
Storage TypeNVMeUFS 4.1
Memory CardNoNo

Software

OS iOS 17 (Upgradeable to iOS 18.5) Android 16
OS Size 18 GB n/a
UI Skin n/a HyperOS 3

Battery

Volume 3349 mAh 7100 mAh
Max Charging Power 20 W 100 W
Battery Type Li-ion Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (7.5 W) No
Reverse Charging Yes Yes
Fast Charging Yes (58% in 30 min) Yes
Full Charge Time 1:50 h n/a
Battery Life Test
Battery Life
Apple iPhone 15
25:31
Xiaomi Redmi K90
n/a
Web Browsing10:47 hn/a
Video Playback16:55 hn/a
Games05:36 hn/a
Standby Mode112 hn/a

Main camera

Matrix 48 MP 50 MP
Photo resolution 8064x6048 pixels 8192x6144 pixels
Zoom 114 Optical, 2.5x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) 960 fps (1080p)
Wide-angle lens 120 ° 120 °
Lenses count Standard: 48 MP
Ultra-wide: 12 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix48 MP50 MP
Aperturef/1.6f/1.9
Focal length26 mmn/a
Sensorn/aOmnivision OV50 Light Hunter 800
Sensor size1/1.51/1.55
Pixel size1 μm1 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/3.0
Sensorn/aOmnivision OV50M
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix12 MP50 MP
Aperturef/2.4f/2.2
Focal length13 mmn/a
SensorSony IMX633Omnivision OV08F
Sensor size1/2.55n/a
Pixel size1.4 μmn/a
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Apple iPhone 15
147
Xiaomi Redmi K90
n/a
Video quality
Apple iPhone 15
153
Xiaomi Redmi K90
n/a
Overall camera score
Apple iPhone 15
145
Xiaomi Redmi K90
n/a
Bokeh80n/a
Preview84n/a
Sources: DxOMark [Apple iPhone 15]

Front camera

Matrix 12 MP 20 MP
Photo resolution 4032x3024 pixels n/a
Aperture f/1.9 f/2.2
Focal length 23 mm n/a
Sensor Sony IMX714 Omnivision OV20B
Sensor size 1/3.6 1/4
Pixel size 1.12 μm 0.8 μm
Autofocus Phase autofocus n/a
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 60 fps
TOF 3D sensor Yes No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 b/g/n/ac/ax) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- 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 n/a
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*n/a2
SIM TypeeSIMNano
SIM Moden/aDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM/EDGE (850, 900, 1800, 1900 MHz)n/a
3G BandsUMTS/HSPA+/DC-HSDPA (850, 900, 1700/2100, 1900, 2100 MHz)n/a
LTE category18n/a
5G SupportYesYes

Sound

3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Apple iPhone 15
81.6 dB
Xiaomi Redmi K90
n/a

Other

Class Flagship Flagship
Announced September, 2023 yr October, 2025 yr
Release Date September, 2023 yr October, 2025 yr
MSRP ($) 799 370
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Face Sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Redmi K90 the clear winner in this comparison.

Survey

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