Home Phone comparison Xiaomi Mi 11 Ultra and Xiaomi Redmi 9C - Which is better?

Xiaomi Mi 11 Ultra vs Xiaomi Redmi 9C

69 out 100
Xiaomi Mi 11 Ultra
VS
35 out 100
Xiaomi Redmi 9C
Xiaomi Mi 11 Ultra
Xiaomi Redmi 9C

Compared 2 smartphones : Xiaomi Mi 11 Ultra Manufactured in April, 2021, with display 6.81 with chipsetQualcomm Snapdragon 888, vs Xiaomi Redmi 9C, Manufactured in September, 2020 with chipsetMediaTek Helio G35. 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 11 Ultra
  • Larger display: 6.81in
  • Higher pixel density: 515ppi
  • Higher refresh rate: 120Hz
  • Newer Bluetooth version: 5.2 vs 5
  • Infrared port
Reasons to choose Xiaomi Redmi 9C
  • Lighter design: 196g vs 234g

Versions

Available versions and configurations
Memory Options - 8/256 GB
- 12/256 GB
- 12/512 GB		 - 2/32 GB
- 2/64 GB
- 3/32 GB
- 3/64 GB
- 3/128 GB
- 4/128 GB

Review

Key Specs Xiaomi Mi 11 Ultra and Xiaomi Redmi 9C
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 11 Ultra
vs
Xiaomi Redmi 9C

Display

Display quality comparison
Type AMOLED IPS LCD
Size 6.81 in 6.53 in
Resolution 1440x3200 pixels 720x1600 pixels
Aspect ratio 20:9 20:9
Pixel density 515 ppi 269 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes No
Max brightness 900 nits 400 nits
HDR support Yes HDR10+ No
Touch Sampling Rate 480 Hz n/a
Screen-to-body ratio 91.4 % 81.1 %
Features - DCI-P3
- Always-On Display
- DC dimming		 n/a
Display test
Peak brightness (auto)
Xiaomi Mi 11 Ultra
939 nits
Xiaomi Redmi 9C
413 nits
sRGB gamut99.8 %92.9 %
PWM (Flicker)510 Hz17120 Hz
Response time2.8 ms47 ms
Contrast∞ Infinite881:1
Sources: NotebookCheck [Xiaomi Mi 11 Ultra], [Xiaomi Redmi 9C]

Design & Build

Design and ergonomics comparison
Height 164.3 mm (6.47 in) 164.9 mm (6.49 in)
Width 74.6 mm (2.94 in) 77 mm (3.03 in)
Thickness 8.4 mm (0.33 in) 9 mm (0.35 in)
Weight 234 g (8.25 oz) 196 g (6.91 oz)
Water resistance IP68 No
Back panel Ceramic Plastic
Frame Metal Plastic
Colors - White
- Black		 - Gray
- Blue
- Green
- Purple
Fingerprint sensor Yes In-Display Yes rear
Screen-to-body ratio
Xiaomi Mi 11 Ultra
91.4 %
Xiaomi Redmi 9C
81.1 %

Performance

Testing Xiaomi Mi 11 Ultra and Xiaomi Redmi 9C In benchmarks
Processor
Chipset Qualcomm Snapdragon 888 MediaTek Helio G35
Max Frequency 2840 MHz 2300 MHz
CPU Cores 8 (1 + 3 + 4) 8 (4 + 4)
Architecture - 4/1.8 (Kryo 680 Silver (Cortex-A55))
- 3/2.42 (Kryo 680 Gold (Cortex-A78))
- 1/2.84 (Kryo 680 Prime (Cortex-X1))		 - 4/1.8 (Cortex-A53)
- 4/2.3 (Cortex-A53)
Process Samsung TSMC
Transistor Size 5 nm 12 nm
Neural Processor Hexagon 780 No
Graphics Adreno 660 PowerVR GE8320
GPU Cores 1024 32
GPU Frequency 840 MHz 680 MHz
FLOPS 1290.2 GFLOPS 43.5 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Mi 11 Ultra
1463
Xiaomi Redmi 9C
479
Geekbench 6 (Multi-Core)
Xiaomi Mi 11 Ultra
3911
Xiaomi Redmi 9C
1522
Geekbench 6 (Single-Core)1463479
Geekbench 6 (Multi-Core)39111522
AnTuTu 10
AnTuTu 10
Xiaomi Mi 11 Ultra
923576
Xiaomi Redmi 9C
141956
CPU24680054580
GPU26029417708
Memory18252837174
UX23395432494
NanoReview Score923576141956
3DMark Wild Life
3DMark Wild Life
Xiaomi Mi 11 Ultra
5285
Xiaomi Redmi 9C
n/a
Max Surface Temp.43.1 °Cn/a
Stability91 %n/a
Graphics Test31 fpsn/a
Graphics Score5285n/a
Sources: 3DMark [Xiaomi Mi 11 Ultra]
PCMark 3.0
PCMark 3.0
Xiaomi Mi 11 Ultra
12250
Xiaomi Redmi 9C
n/a
Writing score14672n/a
Web score11015n/a
Video editing7568n/a
Data manipulation9531n/a
NanoReview Score12250n/a

Memory

RAM
RAM Size - 8 GB
- 12 GB		 - 2 GB
- 3 GB
- 4 GB
Memory Type LPDDR5 LPDDR4X
Memory Frequency 2750 MHz n/a
Channels 2 2
Storage
Storage Capacity- 256 GB
- 512 GB		- 32 GB
- 64 GB
- 128 GB
Storage TypeUFS 3.1eMMC 5.1
Memory CardNoMicroSD

Software

OS Android 11 (Upgradeable to Android 14) Android 10 (Upgradeable to Android 11)
OS Size 31 GB 18 GB
UI Skin HyperOS 1.0 MIUI 12

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 67 W 10 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging Yes (67 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (90% in 30 min) No
Full Charge Time 0:37 h 2:59 h
Battery Life Test
Battery Life
Xiaomi Mi 11 Ultra
17:59
Xiaomi Redmi 9C
n/a
Web Browsing06:28 hn/a
Video Playback11:22 hn/a
Games04:38 hn/a
Standby Mode90 hn/a

Main camera

Matrix 50 MP 13 MP
Photo resolution 8700x5800 pixels 4128x3096 pixels
Zoom Optical, 5x Digital
Flash Dual LED LED
Stabilization Optical Digital
8K Recording Up to 24FPS No
4K Recording Yes (Up to 60 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 1920 fps (1080p) No
Wide-angle lens 128 ° n/a
Lenses count Standard: 50 MP
Telephoto: 48 MP
Ultra-wide: 48 MP		 Standard: 13 MP
Macro: 2 MP
Features - Bokeh effect
- Pro mode
- RAW support		 Bokeh effect
Main lens
Matrix50 MP13 MP
Aperturef/2.0f/1.8
Focal length24 mm28 mm
SensorSamsung GN2n/a
Sensor size1/1.121/3.1
Pixel size1.4 μm1.12 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalDigital
Telephoto
Matrix48 MPn/a
Aperturef/4.1n/a
Focal length120 mmn/a
SensorSony IMX586n/a
Sensor size1/2n/a
Pixel size0.8 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix48 MPn/a
Aperturef/2.2n/a
Focal length12 mmn/a
SensorSony IMX586n/a
Sensor size1/2n/a
Pixel size0.8 μmn/a
StabilizationDigitaln/a
Main camera DxOMark results
Photo quality
Xiaomi Mi 11 Ultra
139
Xiaomi Redmi 9C
n/a
Video quality
Xiaomi Mi 11 Ultra
138
Xiaomi Redmi 9C
n/a
Overall camera score
Xiaomi Mi 11 Ultra
141
Xiaomi Redmi 9C
n/a
Bokeh75n/a
Preview72n/a
Zoom142n/a
Sources: DxOMark [Xiaomi Mi 11 Ultra]

Front camera

Matrix 20 MP 5 MP
Photo resolution 5380x3620 pixels 2560x1960 pixels
Aperture f/2.3 f/2.2
Focal length 27 mm n/a
Sensor Samsung S5K3T2 CMOS
Sensor size 1/3.4 n/a
Pixel size 0.8 μm 1.12 μm
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Xiaomi Mi 11 Ultra
117
Xiaomi Redmi 9C
n/a
Video quality
Xiaomi Mi 11 Ultra
139
Xiaomi Redmi 9C
n/a

Connectivity

Wi-Fi version Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 4 (802.11 a/b/g/n)
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 5.2 5
Bluetooth features LE, A2DP LE, HID, A2DP
USB type USB Type-C Micro USB
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM850 900 1800 MHzGSM B2/3/5/8
3G BandsWCDMAB1 / B2 / B4 / B5 / B8 / B19WCDMA B1/2/4/5/8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B20/B28/B32/B38/B40/B41/B42/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B20)
LTE category244
5G SupportYesNo

Sound

Speakers Stereo Mono
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos No No
Speaker Test
Max Volume
Xiaomi Mi 11 Ultra
89.5 dB
Xiaomi Redmi 9C
77.7 dB

Other

Class Flagship Budget
Announced March, 2021 yr June, 2020 yr
Release Date April, 2021 yr September, 2020 yr
Launch Price ($) 1299 110
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Mi 11 Ultra the clear winner in this comparison.

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