Xiaomi Mi 9 SE vs Xiaomi Poco F8 Ultra

Compared 2 smartphones : Xiaomi Mi 9 SE Manufactured in March, 2019, with display 5.97 with chipsetQualcomm Snapdragon 712, vs Xiaomi Poco F8 Ultra, Manufactured in November, 2025 with chipsetQualcomm Snapdragon 8 Elite Gen 5. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Mi 9 SE
  • Higher pixel density: 432ppi
  • Lighter design: 155g vs 218g
Reasons to choose Xiaomi Poco F8 Ultra
  • Larger display: 6.9in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 6500mAh vs 3070mAh
  • Newer Bluetooth version: 6.0 vs 5
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM
  • Includes charger

Versions

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

Review

Key Specs Xiaomi Mi 9 SE and Xiaomi Poco F8 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

Display

Display quality comparison
Type AMOLED AMOLED
Size 5.97 in 6.9 in
Resolution 1080x2340 pixels 1200x2608 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 432 ppi 416 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes
Max brightness 585 nits 2000 nits
HDR support Yes HDR10 Yes, Dolby Vision
Touch Sampling Rate n/a 480 Hz
Screen-to-body ratio 84.1 % 91.9 %
Features Always-On Display - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Mi 9 SE
635 nits
Xiaomi Poco F8 Ultra
3501 nits
sRGB gamut99.9 %n/a
PWM (Flicker)255 Hzn/a
Response time4.2 msn/a
Contrast∞ Infiniten/a

Design & Build

Design and ergonomics comparison
Height 147.5 mm (5.81 in) 163.3 mm (6.43 in)
Width 70.5 mm (2.78 in) 77.8 mm (3.06 in)
Thickness 7.4 mm (0.29 in) 7.9 mm (0.31 in)
Weight 155 g (5.47 oz) 218 g (7.69 oz)
Water resistance No IP68
Cooling system n/a Vapor chamber
Back panel Glass n/a
Frame Metal Metal
Colors - Gray
- Blue
- Purple
- White
- Black
- Blue
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Mi 9 SE
84.1 %
Xiaomi Poco F8 Ultra
91.9 %

Performance

Testing Xiaomi Mi 9 SE and Xiaomi Poco F8 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 712 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2200 MHz 4600 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.7 (Kryo 360 Silver (Cortex-A55))
- 2/2.3 (Kryo 360 Gold (Cortex-A75))
6/3.63 ()
Process Samsung TSMC
Transistor Size 10 nm 3 nm
Neural Processor Hexagon 685 DSP Hexagon
Graphics Adreno 616 Adreno 840
GPU Cores 256 1536
GPU Frequency 750 MHz 1200 MHz
FLOPS 384 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Mi 9 SE
545
Xiaomi Poco F8 Ultra
3553
Geekbench 6 (Multi-Core)
Xiaomi Mi 9 SE
1594
Xiaomi Poco F8 Ultra
10883
Geekbench 6 (Single-Core)5453553
Geekbench 6 (Multi-Core)159410883
Geekbench Compute (GPU)n/a27420
AnTuTu 10
AnTuTu 10
Xiaomi Mi 9 SE
314968
Xiaomi Poco F8 Ultra
3865467
CPU968601163106
GPU651971394796
Memory69080546277
UX83831761288
NanoReview Score3149683865467
3DMark Wild Life
3DMark Wild Life
Xiaomi Mi 9 SE
654
Xiaomi Poco F8 Ultra
n/a
Max Surface Temp.38.7 °Cn/a
Stability97 %n/a
Graphics Test3 fpsn/a
Graphics Score654n/a

Memory

RAM
RAM Size 6 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 1866 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity- 64 GB
- 128 GB
256 GB
Storage TypeUFS 2.1UFS 4.1
Memory CardNoNo

Software

OS Android 9.0 (Upgradeable to Android 11.0) Android 16
OS Size 19 GB n/a
UI Skin MIUI 12 HyperOS 3

Battery

Volume 3070 mAh 6500 mAh
Max Charging Power 18 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (50 W)
Reverse Charging No Yes, (Wireless)
Fast Charging Yes Quick Charge 4 (50% in 30 min) Yes (78% in 15 min)
Full Charge Time 1:27 h 0:39 h
Battery Life Test
Battery Life
Xiaomi Mi 9 SE
16:19
Xiaomi Poco F8 Ultra
32:38
Web Browsing05:40 h15:14 h
Video Playback10:32 h22:44 h
Games03:52 h08:06 h
Standby Mode83 h124 h

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels 8192x6144 pixels
Zoom Optical, 2x Optical, 5x
Flash Dual LED Dual LED
Stabilization Digital Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (720p) 960 fps (1080p)
Wide-angle lens 123 ° 102 °
Lenses count Standard: 48 MP
Telephoto: 8 MP
Ultra-wide: 13 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/1.8f/1.7
Focal length27 mm23 mm
SensorSony IMX586Omnivision Light Hunter 950
Sensor size1/21/1.31 (0.76)
Pixel size0.8 μm1.2 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationDigitalOptical
Telephoto
Matrix8 MP50 MP
Aperturef/2.4f/3.0
Focal length52 mm115 mm
SensorOmnivision OV8856Samsung S5KJN5
Sensor size1/41/2.76 (0.36)
Pixel size1.12 μm0.64 μm
StabilizationDigitalOptical
Ultra-wide lens
Matrix13 MP50 MP
Aperturef/2.4f/2.4
Focal lengthn/a18 mm
SensorSamsung S5K3L6n/a
Sensor size1/3.11/2.88 (0.35)
Pixel size1.12 μm0.61 μm
StabilizationDigitalDigital

Front camera

Matrix 20 MP 32 MP
Photo resolution 5120x3840 pixels n/a
Aperture f/2.0 f/2.2
Focal length 18 mm 21 mm
Sensor Sony IMX576 CMOS
Sensor size 1/2.78 1/3.44 (0.29)
Pixel size 0.9 μm 0.64 μm
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 30 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 6.0
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 Varies by region
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 1900n/a
3G BandsHSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100n/a
LTE Bands*LTE (B800/B900/B1800/B2100/B2300/B2500/B2600)n/a
LTE category15n/a
5G SupportNoYes

Sound

Speakers Mono 2.1
3.5 mm Jack No No
FM Radio No No
Dolby Atmos No n/a
Speaker Test
Max Volume
Xiaomi Mi 9 SE
81.5 dB
Xiaomi Poco F8 Ultra
n/a

Other

Class Mid-range Flagship
Announced February, 2019 yr November, 2025 yr
Release Date March, 2019 yr November, 2025 yr
Launch Price ($) 400 n/a
MSRP ($) n/a 729
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- 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 Poco F8 Ultra the clear winner in this comparison.

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