Nothing Phone (3a) Pro vs Xiaomi Redmi Note 15 Pro Specs Comparison

Availability

Officially announced
Mar 04, 2025	Dec 18, 2025
Prices (MSRP)
$459	8GB/256GB - $400

Design

Dimensions
6.44 x 3.05 x 0.33 inches 163.52 x 77.5 x 8.39 mm	6.43 x 3.00 x 0.31 inches 163.2 x 76.3 x 8 mm
Weight
7.44 oz / 211.0 g	6.88 oz / 195.0 g
Materials
Back: Glass Frame: Plastic	Back: Plastic Frame: Aluminum
Resistance
Water, Dust; IP64	Water, Dust; IP65
Biometrics
Optical in-screen fingerprint	Optical in-screen fingerprint
Keys
Left: Volume control; Right: Lock/Unlock key, Other	Right: Volume control, Lock/Unlock key
Colors
Grey, Black	Black, Glacier Blue, Titanium

Display

Size
6.8-inch, 87.32% screen-to-body	6.8-inch, 89.11% screen-to-body
Type
OLED, 120Hz, 3000 nits	AMOLED, 120Hz, 3200 nits
Resolution
2392x1080px, 20:9 ratio, 388 PPI	2392x1080px, 20:9 ratio, 388 PPI
Protection
Panda Glass	Corning Gorilla Glass Victus 2

PhoneArena Display Test

Bright Max (20% APL)
1408 (Good)	3233 (Excellent)
Bright Min
2.3 (Average)	2.1 (Average)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 7s Gen 3 SM7635 (4 nm)	MediaTek Helio G200 Ultra (6 nm)
Processor
Octa-core 1x2.5GHz Cortex-A720 3x2.4​GHz Cortex-A720 4x1.8​GHz Cortex-A520	Octa-core 2x2.5GHz Cortex-A76 6x2.0G​Hz Cortex-A55
GPU
Adreno 710	Mali-G57 MC2
Memory
12GB/256GB	8GB/256GB (UFS 2.2) 12GB/256GB 12GB/512GB
Storage expansion
not expandable
OS
Android (15)	Android (15)

PhoneArena Performance Test

GeekBench 6 Single
1187	665
GeekBench 6 Multi
3311	1830
3D Mark High
1060	378
3D Mark Low
1054	375

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
5000 mAh	6500 mAh, Li - Ion
Charging
Fast charging Reverse wired charging	Fast charging Reverse wired charging
Charge speed
Wired: 50.0W	Wired: 45.0W

PhoneArena Battery Tests

Battery Life Estimate

7h 15min

Browsing

16h 13min

Video

10h 26min

Gaming

11h 6min

Battery Life Estimate

9h 39min

Browsing

23h 50min

Video

13h 54min

Gaming

11h 20min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Dual camera
Main camera
50 MP (OIS, PDAF) Aperture size: F1.9 Sensor size: 1/1.56"	200 MP (OIS, PDAF) Aperture size: F1.7 Focal length: 23 mm Sensor size: 1/1.4" Pixel size: 0.56 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2	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) Optical zoom: 3.0x Aperture size: F2.5
Flash
LED	LED
Video recording
4K UHD (30 fps), 1080p (120 fps)	1080p (60 fps) HDR
Front
50 MP	32 MP Video capture: 1080p (30 fps)

PhoneArena Camera Tests

135

Overall

148

Photo

122

Video

122

Overall

134

Photo

109

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.4	5.3
WLAN
Wi-Fi 6 Multiple antennas, MIMO, Wi-Fi Direct, Hotspot 802.11 a, 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, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC	NFC, Infrared

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, n77, n78, SA, NSA, Sub-6
LTE Bands
1, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 66	1, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66
TDD Bands
38, 39, 40, 41, 42	41
3G Bands
1, 4, 5, 6, 8, 19	1, 3, 5, 8
SIM type
Dual Nano SIM	Dual Nano SIM

Discover more

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