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

Xiaomi 12 vs Xiaomi 17 Ultra

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

Compared 2 smartphones : Xiaomi 12 Manufactured in December, 2021, with display 6.28 with chipsetQualcomm Snapdragon 8 Gen 1, 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 Xiaomi 12
  • Higher pixel density: 419ppi
  • Lighter design: 180g vs 224g
Reasons to choose Xiaomi 17 Ultra
  • Larger display: 6.9in
  • Higher battery capacity: 6800mAh vs 4500mAh
  • Newer Bluetooth version: 5.4 vs 5.2
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM

Versions

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

Review

Key Specs Xiaomi 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:
Xiaomi 12
vs
Xiaomi 17 Ultra

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.28 in 6.9 in
Resolution 1080x2400 pixels 1200x2608 pixels
Aspect ratio 20:9 19.5:9
Pixel density 419 ppi 416 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (1-120 Hz)
Max brightness 500 nits 1200 nits
HDR support Yes HDR10+ Yes, Dolby Vision
Touch Sampling Rate 480 Hz n/a
Screen-to-body ratio 89.3 % 92.4 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi 12
887 nits
Xiaomi 17 Ultra
n/a

Design & Build

Design and ergonomics comparison
Height 152.7 mm (6.01 in) 162.9 mm (6.41 in)
Width 69.9 mm (2.75 in) 77.6 mm (3.06 in)
Thickness 8.16 mm (0.32 in) 8.29 mm (0.33 in)
Weight 180 g (6.35 oz) 224 g (7.9 oz)
Water resistance No IP69
Cooling system n/a Vapor chamber
Back panel Glass Eco Leather
Frame Metal Metal
Colors - Black
- Blue
- Pink		 - White
- Black
- Green
- Purple
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi 12
89.3 %
Xiaomi 17 Ultra
92.4 %

Performance

Testing Xiaomi 12 and Xiaomi 17 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 1 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 3000 MHz 4610 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/1.8 (Cortex-A510)
- 3/2.5 (Cortex-A710)
- 1/3 (Cortex-X2)		 6/3.63 ()
Process Samsung TSMC
Transistor Size 4 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 730 Adreno 840
GPU Cores 1024 1536
GPU Frequency 818 MHz 1200 MHz
FLOPS 1675.3 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 12
1702
Xiaomi 17 Ultra
3510
Geekbench 6 (Multi-Core)
Xiaomi 12
3977
Xiaomi 17 Ultra
10993
Geekbench 6 (Single-Core)17023510
Geekbench 6 (Multi-Core)397710993
Sources: Geekbench v6 [Xiaomi 12]
AnTuTu 10
AnTuTu 10
Xiaomi 12
1187033
Xiaomi 17 Ultra
3963774
CPU3080251198653
GPU4390661458267
Memory237645501472
UX212297805382
NanoReview Score11870333963774
3DMark Wild Life
3DMark Wild Life
Xiaomi 12
8751
Xiaomi 17 Ultra
n/a
Stability60 %n/a
Graphics Test52 fpsn/a
Graphics Score8751n/a
Sources: 3DMark [Xiaomi 12]
PCMark 3.0
PCMark 3.0
Xiaomi 12
12987
Xiaomi 17 Ultra
n/a
Writing score14840n/a
Web score11534n/a
Video editing7452n/a
Data manipulation9643n/a
NanoReview Score12987n/a

Memory

RAM
RAM Size - 8 GB
- 12 GB		 12 GB
Memory Type LPDDR5 LPDDR5X
Memory Frequency 3200 MHz 5300 MHz
Channels 4 4
Storage
Storage Capacity- 128 GB
- 256 GB		512 GB
Storage TypeUFS 3.1UFS 4.1
Memory CardNoNo

Software

OS Android 12 (Upgradeable to Android 14) Android 16
UI Skin HyperOS 1.0 HyperOS 3

Battery

Volume 4500 mAh 6800 mAh
Max Charging Power 67 W 90 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (50 W) Yes (50 W)
Reverse Charging Yes (Wireless) Yes, (Wireless)
Fast Charging Yes (87% in 30 min) Yes
Full Charge Time 0:46 h n/a
Battery Life Test
Battery Life
Xiaomi 12
15:58
Xiaomi 17 Ultra
n/a
Web Browsing06:17 hn/a
Video Playback10:46 hn/a
Games04:42 hn/a
Standby Mode71 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Optical, 4.3x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Up to 24FPS 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 1920 fps (720p) 1920 fps (720p)
Wide-angle lens 123 ° 115 °
Lenses count Standard: 50 MP
Ultra-wide: 13 MP
Macro: 5 MP		 Standard: 50 MP
Telephoto: 200 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.7
Focal length26 mm23 mm
SensorSony IMX766n/a
Sensor size1/1.561/1 (1)
Pixel size1 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
Matrix13 MP50 MP
Aperturef/2.4f/2.2
Focal length12 mm14 mm
SensorOmniVision OV13B10OmniVision OV50M40
Sensor size1/3.061/2.88 (0.35)
Pixel size1.12 μm0.61 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 12
118
Xiaomi 17 Ultra
n/a
Video quality
Xiaomi 12
121
Xiaomi 17 Ultra
n/a
Overall camera score
Xiaomi 12
113
Xiaomi 17 Ultra
n/a
Bokeh55n/a
Preview69n/a
Zoom72n/a
Sources: DxOMark [Xiaomi 12]

Front camera

Matrix 32 MP 50 MP
Photo resolution 6528x4896 pixels 8192x6144 pixels
Aperture f/2.4 f/2.2
Focal length 26 mm n/a
Sensor OmniVision OV32B40 CMOS
Sensor size n/a 1/2.88 (0.35)
Pixel size 0.7 μm 0.61 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6E (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 5.2 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 n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 850 900 1800 1900 MHzGSM B2 / B3 / B5 / B8
3G BandsWCDMA B1/2/4/5/6/8/19WCDMA 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/B32/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B66/B71)
LTE category20n/a
5G SupportYesYes

Sound

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

Other

Class Flagship Flagship
Announced December, 2021 yr December, 2025 yr
Release Date December, 2021 yr December, 2025 yr
Launch Price ($) 580 n/a
Sensors - Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 67 W 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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