Home Phone comparison Apple iPhone 12 and Xiaomi 17 Ultra - Which is better?

Apple iPhone 12 vs Xiaomi 17 Ultra

65 out 100
Apple iPhone 12
VS
95 out 100
Xiaomi 17 Ultra
Apple iPhone 12
Xiaomi 17 Ultra

Compared 2 smartphones : Apple iPhone 12 Manufactured in October, 2020, with display 6.1 with chipsetApple A14 Bionic, vs Xiaomi 17 Ultra, Manufactured in December, 2025 with 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 Apple iPhone 12
  • Higher pixel density: 460ppi
  • Lighter design: 164g vs 224g
Reasons to choose Xiaomi 17 Ultra
  • Larger display: 6.9in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 6800mAh vs 2815mAh
  • Newer Bluetooth version: 5.4 vs 5
  • Supports DisplayPort
  • Infrared port
  • Includes charger
  • Fingerprint scanner

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 4/256 GB		 - 12/512 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Apple iPhone 12 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.
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 12
vs
Xiaomi 17 Ultra

Display

Display quality comparison
Type OLED AMOLED
Size 6.1 in 6.9 in
Resolution 1170x2532 pixels 1200x2608 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 460 ppi 416 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness 625 nits 1200 nits
HDR support Yes Dolby Vision Yes, Dolby Vision
Screen-to-body ratio 87.1 % 92.4 %
Features DCI-P3 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Apple iPhone 12
646 nits
Xiaomi 17 Ultra
n/a
sRGB gamut99.4 %n/a
PWM (Flicker)226 Hzn/a
Response time16 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Apple iPhone 12]

Design & Build

Design and ergonomics comparison
Height 146.7 mm (5.78 in) 162.9 mm (6.41 in)
Width 71.5 mm (2.81 in) 77.6 mm (3.06 in)
Thickness 7.4 mm (0.29 in) 8.29 mm (0.33 in)
Weight 164 g (5.78 oz) 224 g (7.9 oz)
Water resistance IP68 IP69
Cooling system n/a Vapor chamber
Back panel Glass Eco Leather
Frame Metal Metal
Colors - White
- Black
- Blue
- Green
- Red		 - White
- Black
- Green
- Purple
Fingerprint sensor No Yes, In-Display
Screen-to-body ratio
Apple iPhone 12
87.1 %
Xiaomi 17 Ultra
92.4 %

Performance

Testing Apple iPhone 12 and Xiaomi 17 Ultra In benchmarks
Processor
Chipset Apple A14 Bionic Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 3100 MHz 4610 MHz
CPU Cores 6 (2 + 4) 8 (2 + 6)
Architecture - 4/1.8 (Icestorm)
- 2/3.1 (Firestorm)		 6/3.63 ()
Process TSMC TSMC
Transistor Size 5 nm 3 nm
Neural Processor Apple Neural Engine Hexagon
Graphics Apple A14 GPU Adreno 840
GPU Cores 256 1536
GPU Frequency 1278 MHz 1200 MHz
FLOPS 654.3 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Apple iPhone 12
1941
Xiaomi 17 Ultra
3510
Geekbench 6 (Multi-Core)
Apple iPhone 12
5008
Xiaomi 17 Ultra
10993
Geekbench 6 (Single-Core)19413510
Geekbench 6 (Multi-Core)500810993
AnTuTu 10
AnTuTu 10
Apple iPhone 12
1095315
Xiaomi 17 Ultra
3963774
CPU3100501198653
GPU3231431458267
Memory173777501472
UX288345805382
NanoReview Score10953153963774
3DMark Wild Life
3DMark Wild Life
Apple iPhone 12
7601
Xiaomi 17 Ultra
n/a
Max Surface Temp.41.2 °Cn/a
Stability77 %n/a
Graphics Test45 fpsn/a
Graphics Score7601n/a
Sources: 3DMark [Apple iPhone 12]

Memory

RAM
RAM Size 4 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency n/a 5300 MHz
Channels 2 4
Storage
Storage Capacity- 64 GB
- 128 GB
- 256 GB		512 GB
Storage TypeNVMeUFS 4.1
Memory CardNoNo

Software

OS iOS 14.1 (Upgradeable to iOS 18.3.2) Android 16
OS Size 7 GB n/a
UI Skin n/a HyperOS 3

Battery

Volume 2815 mAh 6800 mAh
Max Charging Power 18 W 90 W
Battery Type Li-ion Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (7.5 W) Yes (50 W)
Reverse Charging No Yes, (Wireless)
Fast Charging Yes (58% in 30 min) Yes
Full Charge Time 1:30 h n/a
Battery Life Test
Battery Life
Apple iPhone 12
21:15
Xiaomi 17 Ultra
n/a
Web Browsing08:00 hn/a
Video Playback12:09 hn/a
Games04:35 hn/a
Standby Mode112 hn/a

Main camera

Matrix 12 MP 50 MP
Photo resolution 4032x3024 pixels 8192x6144 pixels
Zoom Digital Optical, 4.3x
Flash Quad LED Dual LED
Stabilization Optical Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 60 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 120 fps)
Slow Motion 240 fps (1080p) 1920 fps (720p)
Wide-angle lens 120 ° 115 °
Lenses count Standard: 12 MP
Ultra-wide: 12 MP		 Standard: 50 MP
Telephoto: 200 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix12 MP50 MP
Aperturef/1.6f/1.7
Focal length26 mm23 mm
SensorSony IMX372n/a
Sensor size1/3.41/1 (1)
Pixel size1.4 μm1.6 μm
AutofocusPhase autofocus (Dual Pixel)Laser autofocus
StabilizationOpticalOptical
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
Matrix12 MP50 MP
Aperturef/2.4f/2.2
Focal length13 mm14 mm
Sensorn/aOmniVision OV50M40
Sensor size1/3.61/2.88 (0.35)
Pixel sizen/a0.61 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Apple iPhone 12
127
Xiaomi 17 Ultra
n/a
Video quality
Apple iPhone 12
130
Xiaomi 17 Ultra
n/a
Overall camera score
Apple iPhone 12
117
Xiaomi 17 Ultra
n/a
Bokeh55n/a
Preview74n/a
Zoom60n/a
Sources: DxOMark [Apple iPhone 12]

Front camera

Matrix 12 MP 50 MP
Photo resolution 4032x3024 pixels 8192x6144 pixels
Aperture f/2.2 f/2.2
Focal length 23 mm n/a
Sensor Sony IMX514 CMOS
Sensor size 1/3.6 1/2.88 (0.35)
Pixel size n/a 0.61 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor Yes No
Selfie camera DxOMark results
Photo quality
Apple iPhone 12
127
Xiaomi 17 Ultra
n/a
Video quality
Apple iPhone 12
140
Xiaomi 17 Ultra
n/a

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/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 5.4
Bluetooth features LE, A2DP LE
USB type No USB Type-C
USB version n/a 3.2
USB features - Charging
- USB Storage Mode		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM Moden/aDual SIM Standby
eSIM Support *YesYes
Hybrid SlotNoNo
2G BandsGSM/EDGE (850, 900, 1800, 1900 MHz)GSM B2 / B3 / B5 / B8
3G BandsUMTS/HSPA+/DC‑HSDPA (850, 900, 1700/2100, 1900, 2100 MHz)WCDMA B1 / B2 / B4 / B5 / B6 / B8 / B19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B30/B32/B34/B38/B39/B40/B41/B42/B46/B48/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B66/B71)
LTE category18n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Apple iPhone 12
81.1 dB
Xiaomi 17 Ultra
n/a

Other

Class Flagship Flagship
Announced October, 2020 yr December, 2025 yr
Release Date October, 2020 yr December, 2025 yr
Launch Price ($) 800 n/a
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Face 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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