Xiaomi Redmi Note 15 vs Nothing Phone (4a) Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

5.5
Xiaomi Redmi Note 15
Xiaomi Redmi Note 15 Nothing Phone (4a)
Released · Jan 06, 2026
Released · Mar 13, 2026
6.8-inch · 2392x1080px
6.8-inch · 2720x1224px
Single camera
Triple camera
6GB · 128GB
8GB · 128GB
6000 mAh
5080 mAh
Check prices
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Availability

Officially announced
Dec 18, 2025 Mar 05, 2026
Prices (MSRP)
6GB/128GB - €210 8GB/128GB - €349
8GB/256GB - €389
12GB/256GB - €429

Design

Dimensions
6.46 x 2.97 x 0.31 inches
164 x 75.4 x 7.9 mm
6.45 x 3.05 x 0.33 inches
163.9 x 77.5 x 8.5 mm
Weight
6.49 oz / 184.0 g 7.23 oz / 205.0 g
Materials
Back: Plastic
Frame: Aluminum
Back: Glass
Frame: Plastic
Resistance
Water, Dust; IP64 Water, Dust; IP64
Biometrics
Optical in-screen fingerprint Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control
Colors
Black, Forest Green, Glacier Blue, Purple White, Blue, Pink, Black

Display

Size
6.8-inch, 89.59% screen-to-body 6.8-inch, 87.44% screen-to-body
Type
AMOLED, 120Hz, 3200 nits AMOLED, 120Hz, HDR10+, 4500 nits
Resolution
2392x1080px, 20:9 ratio, 388 PPI 2720x1224px, 20:9 ratio, 440 PPI
Protection
Corning Gorilla Glass 7i
PhoneArena Display Test
Bright Max (20% APL)
3182 (Excellent) 1493 (Good)
Bright Min
2 (Good) 2 (Good)

Hardware

System chip
Mediatek Helio G100 Ultra (6 nm) Snapdragon 7s Gen 4 SM7635-AC (4 nm)
Processor
Octa-core
2x2.2GHz Cortex-A76
6x2.0G​Hz Cortex-A55
Octa-core
1x2.7GHz Cortex-A720
3x2.4​GHz Cortex-A720
4x1.8​GHz Cortex-A520
GPU
Mali-G57 MC2 Adreno 810
Memory
6GB/128GB (UFS 2.2)
8GB/128GB
8GB/256GB
8GB/512GB
8GB (LPDDR4X)/128GB (UFS 3.1)
8GB/256GB
12GB/256GB
Storage expansion
microSDXC not expandable
OS
Android (15) Android (16), up to 3 OS updates
PhoneArena Performance Test
GeekBench 6 Single
723 1247
GeekBench 6 Multi
1974 3322
3D Mark High
345 1126
3D Mark Low
342 1117

Battery

Type
6000 mAh, Li - Ion 5080 mAh
Charging
Fast charging Qualcomm Quick Charge 4
Charge speed
Wired: 33.0W Wired: 50.0W
PhoneArena Battery Tests
Battery Life Estimate
8h 2min
Browsing
19h 2min
Video
11h 53min
Gaming
9h 53min
Battery Life Estimate
7h 10min
Browsing
18h 44min
Video
10h 19min
Gaming
6h 50min

Camera

Rear
Single camera Triple camera
Main camera
108 MP (PDAF)
Aperture size: F1.7
Focal length: 24 mm
Sensor size: 1/1.67"
Pixel size: 0.64 μm
50 MP (OIS, Autofocus, PDAF)
Sensor name: Sony LYT-710
Aperture size: F1.9
Focal length: 24 mm
Sensor size: 1/1.57"
Pixel size: 1 μm
Second camera
8 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 15 mm
Sensor size: 1/4"
Pixel size: 1.12 μm
Third camera
50 MP (Telephoto, Periscope, OIS, Autofocus, PDAF)
Optical zoom: 3.5x
Aperture size: F2.9
Focal Length: 80 mm
Sensor size: 1/2.75"
Pixel size: 0.64 μm
Flash
LED LED
Video recording
1080p (30 fps)
HDR
4K UHD (30 fps), 1080p (120 fps)
OIS, Time-lapse video, EIS, Dolby Vision HDR
Front
20 MP
Video capture: 1080p (30 fps)
32 MP
Video capture: 1080p (30 fps)
PhoneArena Camera Tests
97
Overall
111
Photo
84
Video
N/A
Overall
N/A
Photo
N/A
Video

Connectivity & Features

Bluetooth
5.3 5.4
WLAN
Yes
Wi-Fi Direct, Hotspot
Wi-Fi 6,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
USB
Type-C, USB 2.0 Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, BeiDou, QZSS, Cell ID, Wi-Fi positioning
Other
NFC NFC

Multimedia

Headphones
No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers
Features
Dolby Atmos
Screen mirroring
Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n48, n66, n71, n77, n78
LTE Bands
1, 3, 5, 7, 8, 20, 28 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66, 71
TDD Bands
38, 40, 41 38, 40, 41, 42, 48
3G Bands
1, 3, 5, 8 1, 2, 4, 5, 6, 8, 19
SIM type
Dual Nano SIM Dual Nano SIM
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