Xiaomi Mi 11 Ultra vs Xiaomi Redmi Note 15 Specs Comparison

Availability

Officially announced
Mar 29, 2021	Dec 18, 2025
Prices (MSRP)
	6GB/128GB - €210

Design

Dimensions
6.47 x 2.94 x 0.33 inches 164.3 x 74.6 x 8.38 mm	6.46 x 2.97 x 0.31 inches 164 x 75.4 x 7.9 mm
Weight
8.25 oz / 234.0 g	6.49 oz / 184.0 g
Materials
Back: Ceramic	Back: Plastic Frame: Aluminum
Resistance
Water, Dust; IP68	Water, Dust; IP64
Biometrics
2D Face unlock, Optical in-screen fingerprint	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Ceramic White, Ceramic Black	Black, Forest Green, Glacier Blue, Purple

Display

Size
6.8-inch, 91.24% screen-to-body	6.8-inch, 89.59% screen-to-body
Type
AMOLED, 120Hz, HDR, 1700 nits	AMOLED, 120Hz, 3200 nits
Resolution
3200x1440px, 20:9 ratio, 515 PPI	2392x1080px, 20:9 ratio, 388 PPI
Protection
Corning Gorilla Glass Victus
Additional display
1.1 inches, 294 x124 px, AMOLED, Touch screen: Yes, Capacitive

PhoneArena Display Test

Bright Max (20% APL)
Untested	3182 (Excellent)
Bright Min
2.3 (Average)	2 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 888 SM8350 (5 nm)	Mediatek Helio G100 Ultra (6 nm)
Processor
Octa-core 2840 MHz Kryo 680	Octa-core 2x2.2GHz Cortex-A76 6x2.0G​Hz Cortex-A55
GPU
Adreno 660	Mali-G57 MC2
Memory
8GB (LPDDR5)/256GB (UFS 3.1) 12GB/256GB 16GB/256GB	6GB/128GB (UFS 2.2) 8GB/128GB 8GB/256GB 8GB/512GB
Storage expansion
not expandable	microSDXC
OS
Android (11)	Android (15)

PhoneArena Performance Test

GeekBench 6 Single
Untested	723
GeekBench 6 Multi
Untested	1974
3D Mark High
Untested	345
3D Mark Low
Untested	342

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
5000 mAh, Li - Polymer	6000 mAh, Li - Ion
Charging
Fast charging Qi wireless charging, Reverse wireless charging	Fast charging
Charge speed
Wired: 67.0W Wireless: 67.0W	Wired: 33.0W

PhoneArena Battery Tests

Battery Life Estimate

4h 58min

Browsing

8h 58min

Video

8h 7min

Gaming

8h 20min

Battery Life Estimate

8h 2min

Browsing

19h 2min

Video

11h 53min

Gaming

9h 53min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Single camera
Main camera
50 MP (OIS, Laser autofocus) Aperture size: F1.9 Focal length: 24 mm Sensor size: 1/1.12″ Pixel size: 1.4 μm	108 MP (PDAF) Aperture size: F1.7 Focal length: 24 mm Sensor size: 1/1.67" Pixel size: 0.64 μm
Second camera
48 MP (Ultra-wide, PDAF) Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/2" Pixel size: 0.8 μm
Third camera
48 MP (Telephoto, Autofocus) Optical zoom: 5.0x Aperture size: F4.1 Focal Length: 120 mm Sensor size: 1/2" Pixel size: 0.8 μm
Flash
Tricolor LED	LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (1920 fps), 720p (1920 fps)	1080p (30 fps) HDR
Front
20 MP Video capture: 1080p (60 fps)	20 MP Video capture: 1080p (30 fps)

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

97

Overall

111

Photo

84

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.2	5.3
WLAN
Wi-Fi 6 Wi-Fi Direct, Hotspot 802.11 b, g, n, ac, ax	Yes Wi-Fi Direct, Hotspot
USB
Type-C	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, GNSS, Dual-band positioning, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, Infrared	NFC

Multimedia

Headphones
No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker, Multiple speakers	Earpiece, Multiple speakers
Features
	Dolby Atmos

Cellular

5G Bands
n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n77, n78, n79, SA, NSA
LTE Bands
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 66	1, 3, 5, 7, 8, 20, 28
TDD Bands
38, 40, 41, 42	38, 40, 41
3G Bands
1, 2, 4, 5, 8	1, 3, 5, 8
Data Speed
HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
Dual SIM
Yes
SIM type
Nano SIM	Dual Nano SIM

Regulatory Approval

FCC approval
Date approved: Mar 31, 2021 FCC ID value: 2AFZZK1G
Measured SAR
Head: 0.84 W/kg Body: 0.46 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 0.74 W/kg

Alternative variants

with 12GB RAM

Memory	12GB
Prices (MSRP)	€1200

with 16GB RAM

Memory	16GB

Discover more

Full Specs Xiaomi Mi 11 Ultra Specs PA Review Xiaomi Mi 11 Ultra Review

Full Specs Xiaomi Redmi Note 15 Specs PA Review Xiaomi Redmi Note 15 Review