Vivo X100 Ultra vs Xiaomi Poco C85

Compared 2 smartphones : Vivo X100 Ultra Manufactured in May, 2024, with display 6.78 with chipsetQualcomm Snapdragon 8 Gen 3, vs Xiaomi Poco C85, Manufactured in September, 2025with chipsetMediaTek Helio G81 Ultra. 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 newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Infrared port
Reasons to choose Xiaomi Poco C85
  • Larger display: 6.9in
  • Lighter design: 205g vs 229g
  • Higher battery capacity: 6000mAh vs 5500mAh

Versions

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

Review

Key Specs Vivo X100 Ultra and Xiaomi Poco C85
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.
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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 IPS LCD
Size 6.78 in 6.9 in
Resolution 1440x3200 pixels 720x1600 pixels
Aspect ratio 20:9 20:9
Pixel density 517 ppi 254 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (60-120 Hz)
Max brightness 3000 nits 810 nits
HDR support Yes Dolby Vision No
Touch Sampling Rate 300 Hz n/a
Screen-to-body ratio 89.5 % 84.3 %
Features - DCI-P3
- Always-On Display
- DC dimming
n/a
Display test
Peak brightness (auto)
Vivo X100 Ultra
1783 nits
Xiaomi Poco C85
n/a

Design & Build

Design and ergonomics comparison
Height 164.1 mm (6.46 in) 171.56 mm (6.75 in)
Width 75.6 mm (2.98 in) 79.47 mm (3.13 in)
Thickness 9.2 mm (0.36 in) 7.99 mm (0.31 in)
Weight 229 g (8.08 oz) 205 g (7.23 oz)
Water resistance IP69 IP64
Cooling system Vapor chamber n/a
Back panel Glass Plastic
Frame Metal Plastic
Colors - White
- Gray
- Black
- Green
- Purple
Fingerprint sensor Yes In-Display Yes, In-Button
Screen-to-body ratio
Vivo X100 Ultra
89.5 %
Xiaomi Poco C85
84.3 %

Performance

Testing Vivo X100 Ultra and Xiaomi Poco C85 In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 3 MediaTek Helio G81 Ultra
Max Frequency 3300 MHz 2000 MHz
CPU Cores 8 (1 + 3 + 2 + 2) 8 (2 + 6)
Architecture - 2/2.27 (Cortex-A520)
- 2/2.96 (Cortex-A720)
- 3/3.15 (Cortex-A720)
- 1/3.3 (Cortex-X4)
- 6/1.7 (Cortex-A55)
- 2/2 (Cortex-A75)
Process TSMC TSMC
Transistor Size 4 nm 12 nm
Neural Processor Hexagon Yes
Graphics Adreno 750 Mali-G52 MP2
GPU Cores 1536 48
GPU Frequency 903-1000 MHz 820 MHz
FLOPS 2774 GFLOPS 78.7 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Vivo X100 Ultra
2292
Xiaomi Poco C85
408
Geekbench 6 (Multi-Core)
Vivo X100 Ultra
7005
Xiaomi Poco C85
1375
Geekbench 6 (Single-Core)2292408
Geekbench 6 (Multi-Core)70051375
Geekbench Compute (GPU)n/a971
AnTuTu 10
AnTuTu 10
Vivo X100 Ultra
1985404
Xiaomi Poco C85
272913
CPU45476282711
GPU78630834920
Memory39561069962
UX34872485320
NanoReview Score1985404272913
3DMark Wild Life
3DMark Wild Life
Vivo X100 Ultra
16644
Xiaomi Poco C85
n/a
PCMark 3.0
PCMark 3.0
Vivo X100 Ultra
14201
Xiaomi Poco C85
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
6 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 4200 MHz 1800 MHz
Channels 4 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB
128 GB
Storage TypeUFS 4.0eMMC 5.1
Memory CardNoMicroSD

Software

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

Battery

Volume 5500 mAh 6000 mAh
Max Charging Power 80 W 33 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging Yes (30 W) No
Reverse Charging Yes Yes
Fast Charging Yes (65% in 30 min) Yes (50% in 31 min)
Full Charge Time 0:48 h n/a
Battery Life Test
Battery Life
Vivo X100 Ultra
22:58
Xiaomi Poco C85
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 8160x6144 pixels
Zoom Optical, 3.7x Digital
Flash Dual LED LED
Stabilization Optical Digital
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 120 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 960 fps (1080p) n/a
Wide-angle lens 116 ° n/a
Lenses count Standard: 50 MP
Telephoto: 200 MP
Ultra-wide: 50 MP
Standard: 50 MP
Depth
Features Bokeh effect - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.8
Focal length23 mm28 mm
SensorSony LYT-900n/a
Sensor size1/0.981/2
Pixel size1.6 μmn/a
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalDigital
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 MPn/a
Aperturef/2.2n/a
Focal length14 mmn/a
SensorSony LYT-600n/a
Sensor size1/2.0n/a
Pixel size0.7 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 50 MP 8 MP
Photo resolution 8192x6144 pixels n/a
Aperture f/2.5 f/2.0
Focal length 24 mm n/a
Sensor n/a CMOS
Sensor size 1/2.76 1/4.0
Pixel size n/a 1.12 μm
Autofocus n/a No
Stabilization Digital No
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- 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 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort Yes No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Varies by region
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G Bandsn/aGSM 2/3/5/8
3G Bandsn/aWCDMA 1/2/4/5/8/6/19
LTE Bands*n/aLTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B66)
5G SupportYesNo

Sound

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

Other

Class Flagship Budget
Announced May, 2024 yr September, 2025 yr
Release Date May, 2024 yr September, 2025 yr
Launch Price ($) 900 n/a
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 80 W Yes, 33 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Vivo X100 Ultra the clear winner in this comparison.

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