Vivo X100 Ultra vs Xiaomi Redmi K80 Ultra

Compared 2 smartphones : Vivo X100 Ultra Manufactured in May, 2024, with display 6.78 with chipsetQualcomm Snapdragon 8 Gen 3, vs Xiaomi Redmi K80 Ultra, Manufactured in June, 2025with chipsetMediaTek Dimensity 9400 Plus. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Vivo X100 Ultra
  • Higher pixel density: 517ppi
  • Supports DisplayPort
  • Supports Dolby Atmos
Reasons to choose Xiaomi Redmi K80 Ultra
  • Larger display: 6.83in
  • Higher refresh rate: 144Hz
  • Lighter design: 219g vs 229g
  • Higher battery capacity: 7410mAh vs 5500mAh

Versions

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

Review

Key Specs Vivo X100 Ultra and Xiaomi Redmi K80 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
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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 OLED
Size 6.78 in 6.83 in
Resolution 1440x3200 pixels 1280x2772 pixels
Aspect ratio 20:9 19.5:9
Pixel density 517 ppi 447 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness 3000 nits 1800 nits
HDR support Yes Dolby Vision Yes Dolby Vision
Touch Sampling Rate 300 Hz 480 Hz
Screen-to-body ratio 89.5 % 90 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Vivo X100 Ultra
1783 nits
Xiaomi Redmi K80 Ultra
n/a

Design & Build

Design and ergonomics comparison
Height 164.1 mm (6.46 in) 163.4 mm (6.43 in)
Width 75.6 mm (2.98 in) 77.9 mm (3.07 in)
Thickness 9.2 mm (0.36 in) 8.2 mm (0.32 in)
Weight 229 g (8.08 oz) 219 g (7.72 oz)
Water resistance IP69 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Gray
- White
- Gray
- Blue
- Green
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Vivo X100 Ultra
89.5 %
Xiaomi Redmi K80 Ultra
90 %

Performance

Testing Vivo X100 Ultra and Xiaomi Redmi K80 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 3 MediaTek Dimensity 9400 Plus
Max Frequency 3300 MHz 3630 MHz
CPU Cores 8 (1 + 3 + 2 + 2) 8 (1 + 3 + 4)
Architecture - 2/2.27 (Cortex-A520)
- 2/2.96 (Cortex-A720)
- 3/3.15 (Cortex-A720)
- 1/3.3 (Cortex-X4)
- 4/2.4 (Cortex-A720)
- 3/3.3 (Cortex-X4)
- 1/3.73 (Cortex-X925)
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor Hexagon MediaTek NPU 890
Graphics Adreno 750 Mali-G925 Immortalis MP12
GPU Cores 1536 1536
GPU Frequency 903-1000 MHz 1612 MHz
FLOPS 2774 GFLOPS 4952.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Vivo X100 Ultra
2292
Xiaomi Redmi K80 Ultra
2676
Geekbench 6 (Multi-Core)
Vivo X100 Ultra
7005
Xiaomi Redmi K80 Ultra
8922
Geekbench 6 (Single-Core)22922676
Geekbench 6 (Multi-Core)70058922
Geekbench Compute (GPU)n/a23887
AnTuTu 10
AnTuTu 10
Vivo X100 Ultra
1985404
Xiaomi Redmi K80 Ultra
2981860
CPU454762612803
GPU7863081209263
Memory395610643114
UX348724516680
NanoReview Score19854042981860
3DMark Wild Life
3DMark Wild Life
Vivo X100 Ultra
16644
Xiaomi Redmi K80 Ultra
n/a
PCMark 3.0
PCMark 3.0
Vivo X100 Ultra
14201
Xiaomi Redmi K80 Ultra
n/a
Writing score18970n/a
Web score10974n/a
Video editing6450n/a
Data manipulation12481n/a
NanoReview Score14201n/a

Memory

RAM
RAM Size - 12 GB
- 16 GB
12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 4200 MHz 5333 MHz
Channels 4 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB
256 GB
Storage TypeUFS 4.0UFS 4.1
Memory CardNoNo

Software

OS Android 14 (Upgradeable to Android 15) Android 15
UI Skin OriginOS 5 HyperOS 2.0

Battery

Volume 5500 mAh 7410 mAh
Max Charging Power 80 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (30 W) No
Reverse Charging Yes Yes
Fast Charging Yes (65% in 30 min) Yes
Full Charge Time 0:48 h n/a
Battery Life Test
Battery Life
Vivo X100 Ultra
22:58
Xiaomi Redmi K80 Ultra
n/a
Web Browsing10:19 hn/a
Video Playback14:26 hn/a
Games05:35 hn/a
Standby Mode99 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 3.7x Digital
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
4K Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (1080p) 960 fps (1080p)
Wide-angle lens 116 ° 119 °
Lenses count Standard: 50 MP
Telephoto: 200 MP
Ultra-wide: 50 MP
Standard: 50 MP
Ultra-wide: 8 MP
Features Bokeh effect - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.9
Focal length23 mm23 mm
SensorSony LYT-900Omnivision OV50 Light Hunter 800
Sensor size1/0.981/1.55
Pixel size1.6 μm1 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix200 MPn/a
Aperturef/2.7n/a
Focal length85 mmn/a
SensorSamsung ISOCELL HP9n/a
Sensor size1/1.4n/a
Pixel size0.56 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix50 MP8 MP
Aperturef/2.2f/2.2
Focal length14 mmn/a
SensorSony LYT-600Omnivision OV08F
Sensor size1/2.01/4.0
Pixel size0.7 μmn/a
StabilizationDigitalDigital

Front camera

Matrix 50 MP 20 MP
Photo resolution 8192x6144 pixels n/a
Aperture f/2.5 n/a
Focal length 24 mm n/a
Sensor n/a Omnivision OV20B
Sensor size 1/2.76 1/2.0
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 7 (802.11 a/b/g/n/ac/ax)
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 5.4 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 n/a
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort Yes n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- 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 *NoNo
Hybrid SlotNoNo
5G SupportYesYes

Sound

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

Other

Class Flagship Flagship
Announced May, 2024 yr June, 2025 yr
Release Date May, 2024 yr June, 2025 yr
Launch Price ($) 900 n/a
MSRP ($) n/a 900
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 80 W Yes 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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