Xiaomi 17 Ultra vs Nothing Phone (4a) Pro Specs Comparison

Availability

Officially announced
Dec 25, 2025	Mar 05, 2026
Scheduled release
	Mar 27, 2026
Prices (MSRP)
16GB/512GB - €1499	8GB/128GB - $499 | €479 12GB/256GB - $599 | €549

Design

Dimensions
6.41 x 3.06 x 0.33 inches 162.9 x 77.6 x 8.5 mm	6.44 x 3.02 x 0.31 inches 163.6 x 76.6 x 7.9 mm
Weight
8.11 oz / 230.0 g	7.41 oz / 210.0 g
Materials
Back: Plastic Frame: Aluminum	Back: Aluminum Frame: Aluminum
Resistance
Water, Dust; IP69	Water, Dust; IP65
Biometrics
Ultrasonic in-screen fingerprint	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control
Colors
Black, White, Starry Green, Purple	Silver, Pink, Black

Display

Size
6.9-inch, 93.16% screen-to-body	6.8-inch, 89.76% screen-to-body
Type
AMOLED, 120Hz, Dolby Vision, 3500 nits	AMOLED, 144Hz, HDR10+, 5000 nits
Resolution
2608x1200px, 19.5:5 ratio, 416 PPI	2800x1260px, 20:9 ratio, 450 PPI
Protection
	Corning Gorilla Glass 7i
Features
Ambient light sensor, Proximity sensor

PhoneArena Display Test

Bright Max (20% APL)
3515 (Excellent)	1520 (Good)
Bright Min
1 (Excellent)	1.9 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 8 Elite Gen 5 SM8850-AC (3 nm)	Snapdragon 7 Gen 4 SM7750-AB (4 nm)
Processor
Octa-core 2x4.6GHz Oryon V3 Phoenix L 6x3.62GHz Oryon V3 Phoenix M	Octa-core 1x2.8GHz Cortex-A720 4x2.4​GHz Cortex-A720 3x1.8​GHz Cortex-A520
GPU
Adreno 840	Adreno 722
Memory
12GB/512GB (UFS 4.1) 16GB/512GB 16GB/1TB	8GB (LPDDR5X)/128GB (UFS 3.1) 12GB/256GB
Storage expansion
not expandable	not expandable
OS
Android (16)	Android (16), up to 3 OS updates

PhoneArena Performance Test

GeekBench 6 Single
3525	1350
GeekBench 6 Multi
10545	4221
3D Mark High
6305	2094
3D Mark Low
3899	2082

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
6800 mAh, Si - Carbon	5080 mAh
Charging
Fast charging Qi wireless charging, Reverse wireless charging, Reverse wired charging	Qualcomm Quick Charge 4, USB Power Delivery Reverse wired charging
Charge speed
Wired: 90.0W Wireless: 50.0W	Wired: 50.0W

PhoneArena Battery Tests

Battery Life Estimate

9h 2min

Browsing

22h 39min

Video

14h 9min

Gaming

7h 10min

Battery Life Estimate

7h 22min

Browsing

16h 22min

Video

12h 29min

Gaming

6h 44min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Triple camera
Main camera
50 MP Aperture size: F1.7 Focal length: 23 mm Sensor size: 1"	50 MP (OIS, Autofocus, PDAF) Sensor name: Sony LYT-710 Aperture size: F1.9 Focal length: 24 mm Sensor size: 1/1.56" Pixel size: 1 μm
Second camera
50 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 14 mm Sensor size: 1/2.76" Pixel size: 0.64 μm	8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 15 mm Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
200 MP (Telephoto, Periscope) Optical zoom: 4.2x Aperture size: F2.4/F3.0 Focal Length: 100 mm Sensor size: 1/1.4" Pixel size: 0.56 μm	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
Fourth camera
ToF 3D depth sensing
Flash
LED	LED
Video recording
8K UHD (30 fps), 4K UHD (120 fps)	4K UHD (30 fps), 1080p (120 fps) HDR, Time-lapse video, EIS, Dolby Vision HDR
Front
50 MP	32 MP

PhoneArena Camera Tests

155

Overall

163

Photo

147

Video

N/A

Overall

N/A

Photo

N/A

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.4	5.4
WLAN
Wi-Fi 6,Wi-Fi 7 Wi-Fi Direct, Hotspot	Wi-Fi 6,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 3.2	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Barometer, Emergency SOS via satellite (SMS sending/receiving), Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, BeiDou, QZSS, Cell ID, Wi-Fi positioning
Other
NFC, Infrared	NFC

Multimedia

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

Cellular

5G Bands
n1, n2, n3, n5, n7, n8, n12, n20, n25, n26, n28, n38, n40, n41, n48, n66, n77, n78, n80, n84, SA, NSA	n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78
LTE Bands
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 66	1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 66, 71
TDD Bands
34, 38, 39, 40, 41, 42, 48	38, 40, 41, 42, 48
3G Bands
	1, 2, 4, 5, 6, 8, 19
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM, Dual Nano SIM	Dual Nano SIM + eSIM
HD Voice
	Yes
VoLTE
	Yes

Discover more

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Full Specs Nothing Phone (4a) Pro Specs PA Review Nothing Phone (4a) Pro Review