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Nothing Phone (3a) vs Xiaomi 15 Ultra

We put both spec sheets side by side and found 19 differences across 28 checks. 9 answers are identical.

Nothing · 2025
Phone (3a)
Screen size
6.77"
Processor
Qualcomm Snapdragon 7s G...
Battery capacity
5000 mAh
Launch price
$379
Check price on Amazon
Xiaomi · 2025
Xiaomi 15 Ultra
Screen size
6.73"
Processor
Qualcomm Snapdragon 8 El...
Battery capacity
5410 mAh
Launch price
€1,499
Check price on Amazon

Where they differ

19 of 28

Full comparison

Audio
Headphone jack No No
Stereo speakers Yes Yes
FM radio No No
Storage & memory
microSD slot No No
RAM 8GB / 12GB 16GB
Storage options 128GB / 256GB 512GB / 1TB
Connectivity
eSIM No Yes
Dual SIM Yes Yes
5G Yes Yes
NFC Yes Yes
Wi-Fi 7 No Yes
USB-C port Yes Yes
IR blaster No Yes
Battery & charging
Wireless charging No Yes, 80W
Reverse wireless charging No Yes
Charging speed 50W wired 90W wired, 80W wireless
Battery capacity 5000 mAh 5410 mAh
Build & durability
Water resistance Splash resistant (IP64) Yes, IP68
Screen protection Yes Xiaomi Shield Glass 2.0
Weight 201 g 226 g
Display
120Hz display Yes, 120Hz Yes, 120Hz
Screen size 6.77" 6.73"
Fingerprint sensor Yes (under display, optical) Yes (under display, ultrasonic)
Camera
Telephoto / optical zoom Yes, 2x Yes, 4.3x
4K video Yes, 4K@30fps Yes, up to 8K
Basics
Release date 2025, March 11 2025, March 2
Processor Qualcomm Snapdragon 7s Gen 3 (4 nm) Qualcomm Snapdragon 8 Elite (3 nm)
Launch price $379 €1,499

Other comparisons

All

Specifications sourced from GSMArena, used under CC BY 4.0. Answers on this page are our own reading of those spec sheets. Manufacturers change hardware between regional variants, so check the retail listing before you buy on a single feature.