Home Phone comparison Vivo X300 Ultra and Xiaomi Redmi K100 Pro Max - Which is better?

Vivo X300 Ultra vs Xiaomi Redmi K100 Pro Max

94 out 100
Vivo X300 Ultra
VS
90 out 100
Xiaomi Redmi K100 Pro Max
Vivo X300 Ultra
Xiaomi Redmi K100 Pro Max

Compared 2 smartphones : Vivo X300 Ultra Manufactured in April, 2026, with display 6.82 with chipsetQualcomm Snapdragon 8 Elite Gen 5, vs Xiaomi Redmi K100 Pro Max, Manufactured in August, 2026 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 Vivo X300 Ultra
  • Higher pixel density: 510ppi
  • Lighter design: 232g vs 238g
Reasons to choose Xiaomi Redmi K100 Pro Max
  • Larger display: 6.9in
  • Higher refresh rate: 185Hz
  • Higher battery capacity: 9070mAh vs 6600mAh
  • Newer Bluetooth version: 6.0 vs 5.4

Versions

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

Review

Key Specs Vivo X300 Ultra and Xiaomi Redmi K100 Pro Max
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
Smartphones:
Vivo X300 Ultra
vs
Redmi K100 Pro Max

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.82 in 6.9 in
Resolution 1440x3168 pixels 1200x2608 pixels
Aspect ratio 19.8:9 19.5:9
Pixel density 510 ppi 416 ppi
Refresh rate 144 Hz 185 Hz
Adaptive refresh rate Yes Yes
Max brightness 1800 nits n/a
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch Sampling Rate n/a 480 Hz
Screen-to-body ratio 90.3 % 91.6 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 162.98 mm (6.42 in) 163.49 mm (6.44 in)
Width 76.81 mm (3.02 in) 77.94 mm (3.07 in)
Thickness 8.49 mm (0.33 in) 8.45 mm (0.33 in)
Weight 232 g (8.18 oz) 238 g (8.4 oz)
Water resistance IP69 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Glass n/a
Frame Metal Metal
Colors - Black
- Silver
- Green		 - White
- Black
- Blue
- Red
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Vivo X300 Ultra
90.3 %
Xiaomi Redmi K100 Pro Max
91.6 %

Performance

Testing Vivo X300 Ultra and Xiaomi Redmi K100 Pro Max In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Gen 5 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 4600 MHz 4610 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/3.63 (Oryon Gen 3 Performance)
- 2/4.61 (Oryon Gen 3 Prime)		 - 6/3.32 (Oryon Performance)
- 2/3.8 (Oryon Prime)
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon Hexagon
GeekBench v6
Geekbench 6 (Single-Core)
Vivo X300 Ultra
3621
Xiaomi Redmi K100 Pro Max
3662
Geekbench 6 (Multi-Core)
Vivo X300 Ultra
10653
Xiaomi Redmi K100 Pro Max
11299
Geekbench 6 (Single-Core)36213662
Geekbench 6 (Multi-Core)1065311299
Sources: Geekbench v6 [Vivo X300 Ultra], [Xiaomi Redmi K100 Pro Max]
AnTuTu 10
AnTuTu 10
Vivo X300 Ultra
4247433
Xiaomi Redmi K100 Pro Max
3722803
CPU11920141035083
GPU15439381341391
Memory525105514307
UX986376832022
NanoReview Score42474333722803

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5333 MHz 5300 MHz
Channels 4 4
Storage
Storage Capacity256 GB256 GB
Storage TypeUFS 4.1UFS 4.1
Memory CardNoNo

Software

OS Android 16 Android 16
UI Skin OriginOS 6 HyperOS 3

Battery

Volume 6600 mAh 9070 mAh
Max Charging Power 100 W 100 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (40 W) Yes (50 W)
Reverse Charging Yes Yes, (Wireless)
Fast Charging Yes Yes

Main camera

Matrix 200 MP 200 MP
Zoom Optical, 3.7x Optical, 5x
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 240 fps (1080p) 1920 fps (720p)
Wide-angle lens 116 ° 102 °
Lenses count Standard: 200 MP
Telephoto: 200 MP
Ultra-wide: 50 MP		 Standard: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix200 MP200 MP
Aperturef/1.9f/1.7
Focal length35 mm24 mm
SensorSony LYT-901Samsung ISOCELL HP9
Sensor size1/1.12 (0.89)1/1.4 (0.71)
Pixel size0.7 μm0.56 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix200 MP50 MP
Aperturef/2.7f/3.0
Focal length85 mm115 mm
SensorSamsung ISOCELL HPBn/a
Sensor size1/1.4 (0.71)1/2.75 (0.36)
Pixel size0.56 μm0.64 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.0f/2.4
Focal length14 mm18 mm
SensorSony LYT-818OmniVision OV50M40
Sensor size1/1.28 (0.78)1/2.88 (0.35)
Pixel size1.22 μm0.61 μm
StabilizationOpticalDigital

Front camera

Matrix 50 MP 32 MP
Photo resolution 8192x6144 pixels n/a
Aperture f/2.5 f/2.2
Focal length 24 mm 21 mm
Sensor Samsung ISOCELL JN1 OmniVision OV32D
Sensor size 1/2.76 (0.36) 1/3.44 (0.29)
Pixel size 0.64 μm 0.64 μm
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) 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 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 5.4 6.0
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 Yes
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
2G Bandsn/aGSM B3/B5/B8
3G Bandsn/aWCDMA B1/B4/B5/B6/B8/B19
LTE Bands*n/aLTE (B1/B3/B4/B5/B7/B8/B18/B19/B26/B28/B34/B38/B39/B40/B41/B42/B43/B48/B66)
5G SupportYesYes

Sound

Speakers n/a 2.1
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes

Other

Class Flagship Flagship
Announced March, 2026 yr August, 2026 yr
Release Date April, 2026 yr August, 2026 yr
MSRP ($) 1199 620
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

No clear favorite identified yet; updates may follow as new data arrives.

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