Apple iPhone X vs Xiaomi Redmi Note 15 4G

Compared 2 smartphones : Apple iPhone X Manufactured in November, 2017, with display 5.8 with chipsetApple A11 Bionic, vs Xiaomi Redmi Note 15 4G, Manufactured in December, 2025with chipsetMediaTek Helio G100 Ultra. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Apple iPhone X
  • Higher pixel density: 458ppi
  • Lighter design: 174g vs 183.7g
  • Supports Dolby Atmos
Reasons to choose Xiaomi Redmi Note 15 4G
  • Larger display: 6.77in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 6000mAh vs 2716mAh
  • Newer Bluetooth version: 5.3 vs 5
  • Fingerprint scanner

Versions

Available versions and configurations
Memory Options - 3/64 GB
- 3/256 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB
- 8/512 GB

Review

Key Specs Apple iPhone X and Xiaomi Redmi Note 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
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

Display

Display quality comparison
Type OLED AMOLED
Size 5.8 in 6.77 in
Resolution 1125x2436 pixels 1080x2340 pixels
Aspect ratio 19.5:9 n/a
Pixel density 458 ppi 388 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 625 nits n/a
HDR support Yes Dolby Vision No
Screen-to-body ratio 81.1 % 89.7 %
Features DCI-P3 DCI-P3
Display test
Peak brightness (auto)
Apple iPhone X
606 nits
Xiaomi Redmi Note 15 4G
n/a
sRGB gamut99.3 %n/a
PWM (Flicker)240 Hzn/a
Response time2.2 msn/a
Contrast∞ Infiniten/a

Design & Build

Design and ergonomics comparison
Height 143.6 mm (5.65 in) 164 mm (6.46 in)
Width 70.9 mm (2.79 in) 75.4 mm (2.97 in)
Thickness 7.7 mm (0.3 in) 7.4 mm (0.29 in)
Weight 174 g (6.14 oz) 183.7 g (6.48 oz)
Water resistance IP67 IP64
Back panel Glass Plastic
Frame Metal Plastic
Colors - Silver
- Gray
- Black
- Blue
- Green
- Purple
Fingerprint sensor No Yes, In-Display
Screen-to-body ratio
Apple iPhone X
81.1 %
Xiaomi Redmi Note 15 4G
89.7 %

Performance

Testing Apple iPhone X and Xiaomi Redmi Note 15 4G In benchmarks
Processor
Chipset Apple A11 Bionic MediaTek Helio G100 Ultra
Max Frequency 2390 MHz 2200 MHz
CPU Cores 6 (2 + 4) 8 (2 + 6)
Architecture - 4/1.42 (Mistral)
- 2/2.39 (Monsoon)
- 6/2 (Cortex-A55)
- 2/2.2 (Cortex-A76)
Process TSMC TSMC
Transistor Size 10 nm 6 nm
Neural Processor Apple Neural Engine Yes
Graphics Apple A11 GPU Mali-G57 MP2
GPU Cores 192 64
GPU Frequency 1066 MHz 1000 MHz
FLOPS 409.3 GFLOPS 128 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Apple iPhone X
1089
Xiaomi Redmi Note 15 4G
730
Geekbench 6 (Multi-Core)
Apple iPhone X
2918
Xiaomi Redmi Note 15 4G
2025
Geekbench 6 (Single-Core)1089730
Geekbench 6 (Multi-Core)29182025
AnTuTu 10
AnTuTu 10
Apple iPhone X
507548
Xiaomi Redmi Note 15 4G
437184
CPU192337132724
GPU12235372238
Memory101238109980
UX91620122242
NanoReview Score507548437184
3DMark Wild Life
3DMark Wild Life
Apple iPhone X
3522
Xiaomi Redmi Note 15 4G
n/a
Max Surface Temp.45.7 °Cn/a
Stability63 %n/a
Graphics Test21 fpsn/a
Graphics Score3522n/a

Memory

RAM
RAM Size 3 GB 6 GB
Memory Type LPDDR4 LPDDR4X
Memory Frequency n/a 2133 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 256 GB
128 GB
Storage TypeNVMeUFS 2.2
Memory CardNoNo

Software

OS iOS 11.1 (Upgradeable to iOS 16.5) Android 15
OS Size 5.3 GB n/a
UI Skin n/a HyperOS 2.0

Battery

Volume 2716 mAh 6000 mAh
Max Charging Power 18 W 33 W
Battery Type Li-ion Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes Qi (7.5 W) No
Reverse Charging No Yes
Fast Charging Yes (50% in 30 min) Yes
Full Charge Time 2:00 h n/a
Battery Life Test
Battery Life
Apple iPhone X
16:26
Xiaomi Redmi Note 15 4G
n/a
Web Browsing05:31 hn/a
Video Playback09:07 hn/a
Games03:35 hn/a
Standby Mode93 hn/a

Main camera

Matrix 12 MP 108 MP
Photo resolution 4032x3024 pixels n/a
Zoom Optical, 2x Digital
Flash Quad LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 60 fps) No
1080p Recording Yes (Up to 240 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (1080p) n/a
Lenses count Standard: 12 MP
Telephoto: 12 MP
Standard: 108 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
Main lens
Matrix12 MP108 MP
Aperturef/1.8f/1.7
Focal length28 mm24 mm
SensorApple iSight Duo Cameran/a
Sensor size1/31/1.67 (0.6)
Pixel size1.22 μm0.64 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalDigital
Telephoto
Matrix12 MPn/a
Aperturef/2.4n/a
Focal length52 mmn/a
Sensor size1/3.4n/a
Pixel size1 μmn/a
StabilizationOpticaln/a
Main camera DxOMark results
Photo quality
Apple iPhone X
101
Xiaomi Redmi Note 15 4G
n/a
Video quality
Apple iPhone X
89
Xiaomi Redmi Note 15 4G
n/a
Overall camera score
Apple iPhone X
97
Xiaomi Redmi Note 15 4G
n/a

Front camera

Matrix 7 MP 20 MP
Photo resolution 3472x2063 pixels n/a
Aperture f/2.2 f/2.2
Focal length 32 mm n/a
Sensor BSI CMOS Omnivision OV02F
Sensor size n/a 1/5 (0.2)
Pixel size n/a 1.75 μm
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Apple iPhone X
88
Xiaomi Redmi Note 15 4G
n/a
Video quality
Apple iPhone X
92
Xiaomi Redmi Note 15 4G
n/a

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5.3
Bluetooth features LE, A2DP LE
USB type No USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- Charging
- USB Storage Mode
- OTG
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Varies by region
Infrared Port No No
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM Moden/aDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850 / 900 / 1800 / 1900n/a
3G BandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100n/a
LTE Bands*LTE (B1/B2/B3/B4(1700/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B29/B30/B34/B38/B39/B40/B41/B66(1700/B2100))n/a
LTE category16n/a
5G SupportNoNo

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No Yes
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Apple iPhone X
85.3 dB
Xiaomi Redmi Note 15 4G
n/a

Other

Class Flagship Mid-range
Announced September, 2017 yr December, 2025 yr
Release Date November, 2017 yr December, 2025 yr
Launch Price ($) 999 n/a
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Face Sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Redmi Note 15 4G the clear winner in this comparison.

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