Home Phone comparison Xiaomi Mi 9 and Xiaomi 17 Ultra - Which is better?

Xiaomi Mi 9 vs Xiaomi 17 Ultra

50 out 100
Xiaomi Mi 9
VS
95 out 100
Xiaomi 17 Ultra
Xiaomi Mi 9
Xiaomi 17 Ultra

Compared 2 smartphones : Xiaomi Mi 9 Manufactured in April, 2019, with display 6.39 with chipsetQualcomm Snapdragon 855, 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 Mi 9
  • Lighter design: 173g vs 224g
Reasons to choose Xiaomi 17 Ultra
  • Larger display: 6.9in
  • Higher pixel density: 416ppi
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 6800mAh vs 3300mAh
  • Newer Bluetooth version: 5.4 vs 5
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM
  • Includes charger

Versions

Available versions and configurations
Memory Options - 6/64 GB
- 6/128 GB
- 8/64 GB
- 8/128 GB
- 8/256 GB		 - 12/512 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Xiaomi Mi 9 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 Mi 9
vs
Xiaomi 17 Ultra

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.39 in 6.9 in
Resolution 1080x2340 pixels 1200x2608 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 403 ppi 416 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness 600 nits 1200 nits
HDR support Yes HDR10 Yes, Dolby Vision
Screen-to-body ratio 85.3 % 92.4 %
Features - Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Mi 9
619 nits
Xiaomi 17 Ultra
n/a
sRGB gamut95.4 %n/a
PWM (Flicker)245 Hzn/a
Response time4.2 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Xiaomi Mi 9]

Design & Build

Design and ergonomics comparison
Height 157.5 mm (6.2 in) 162.9 mm (6.41 in)
Width 74.6 mm (2.94 in) 77.6 mm (3.06 in)
Thickness 7.6 mm (0.3 in) 8.29 mm (0.33 in)
Weight 173 g (6.1 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
- Purple		 - White
- Black
- Green
- Purple
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Mi 9
85.3 %
Xiaomi 17 Ultra
92.4 %

Performance

Testing Xiaomi Mi 9 and Xiaomi 17 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 855 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2840 MHz 4610 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/1.8 (Cortex-A55 (Kryo 485 Silver))
- 3/2.42 (Cortex-A76 (Kryo 485 Gold))
- 1/2.84 (Cortex-A76 (Kryo 485 Gold))		 6/3.63 ()
Process TSMC TSMC
Transistor Size 7 nm 3 nm
Neural Processor Hexagon 690 Hexagon
Graphics Adreno 640 Adreno 840
GPU Cores 768 1536
GPU Frequency 585 MHz 1200 MHz
FLOPS 898.5 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Mi 9
898
Xiaomi 17 Ultra
3510
Geekbench 6 (Multi-Core)
Xiaomi Mi 9
2206
Xiaomi 17 Ultra
10993
Geekbench 6 (Single-Core)8983510
Geekbench 6 (Multi-Core)220610993
AnTuTu 10
AnTuTu 10
Xiaomi Mi 9
651041
Xiaomi 17 Ultra
3963774
CPU2093001198653
GPU1917471458267
Memory113809501472
UX136185805382
NanoReview Score6510413963774
3DMark Wild Life
3DMark Wild Life
Xiaomi Mi 9
3100
Xiaomi 17 Ultra
n/a
Max Surface Temp.35.6 °Cn/a
Stability91 %n/a
Graphics Test18 fpsn/a
Graphics Score3100n/a
Sources: 3DMark [Xiaomi Mi 9]
PCMark 3.0
PCMark 3.0
Xiaomi Mi 9
10649
Xiaomi 17 Ultra
n/a
Writing score14618n/a
Web score7084n/a
Video editing6715n/a
Data manipulation7931n/a
NanoReview Score10649n/a

Memory

RAM
RAM Size 6 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity128 GB512 GB
Storage TypeUFS 2.1UFS 4.1
Memory CardNoNo

Software

OS Android 9.0 (Upgradeable to Android 11) Android 16
OS Size 13.5 GB n/a
UI Skin MIUI 12.5 HyperOS 3

Battery

Volume 3300 mAh 6800 mAh
Max Charging Power 27 W 90 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (20 W) Yes (50 W)
Reverse Charging No Yes, (Wireless)
Fast Charging Yes Quick Charge 4 (50% in 30 min) Yes
Full Charge Time 1:30 h n/a
Battery Life Test
Battery Life
Xiaomi Mi 9
17:14
Xiaomi 17 Ultra
n/a
Web Browsing06:08 hn/a
Video Playback11:37 hn/a
Games04:07 hn/a
Standby Mode83 hn/a

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels 8192x6144 pixels
Zoom Optical, 2x Optical, 4.3x
Flash Dual LED Dual LED
Stabilization Digital 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 960 fps (1080p) 1920 fps (720p)
Wide-angle lens 117 ° 115 °
Lenses count Standard: 48 MP
Telephoto: 12 MP
Ultra-wide: 16 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
Matrix48 MP50 MP
Aperturef/1.8f/1.7
Focal length27 mm23 mm
SensorSony IMX586n/a
Sensor size1/21/1 (1)
Pixel size0.8 μm1.6 μm
AutofocusLaser autofocusLaser autofocus
StabilizationDigitalOptical
Telephoto
Matrix12 MP200 MP
Aperturef/2.2f/2.4 - 3.0
Focal length54 mm100 mm
SensorSamsung S5K3M5n/a
Sensor size1/3.61/1.4 (0.71)
Pixel size1 μm0.56 μm
StabilizationDigitalOptical
Ultra-wide lens
Matrix16 MP50 MP
Aperturef/2.2f/2.2
Focal length13 mm14 mm
SensorSony IMX481OmniVision OV50M40
Sensor size1/3.01/2.88 (0.35)
Pixel size1 μm0.61 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi Mi 9
112
Xiaomi 17 Ultra
n/a
Video quality
Xiaomi Mi 9
99
Xiaomi 17 Ultra
n/a
Overall camera score
Xiaomi Mi 9
107
Xiaomi 17 Ultra
n/a
Sources: DxOMark [Xiaomi Mi 9]

Front camera

Matrix 20 MP 50 MP
Photo resolution 5184x3880 pixels 8192x6144 pixels
Aperture f/2.0 f/2.2
Focal length 18 mm n/a
Sensor CMOS CMOS
Sensor size 1/3 1/2.88 (0.35)
Pixel size 0.9 μm 0.61 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
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 5.4
Bluetooth features LE, A2DP LE
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- USB-Host mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - 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, GSM 900, GSM 1800, GSM 1900GSM B2 / B3 / B5 / B8
3G BandsHSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100WCDMA B1 / B2 / B4 / B5 / B6 / B8 / B19
LTE Bands*LTE (B800/B900/B1800/B2100/B2300/B2500/B2600)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B66/B71)
LTE category20n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Mi 9
87.1 dB
Xiaomi 17 Ultra
n/a

Other

Class Flagship Flagship
Announced February, 2019 yr December, 2025 yr
Release Date April, 2019 yr December, 2025 yr
Launch Price ($) 460 n/a
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint 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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