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Signature 27 vs 17 Ultra

Motorola Signature 27 vs Xiaomi 17 Ultra

What Signature 27 does better (12) and where 17 Ultra wins (6) — every spec side by side.

Motorola · 2026Signature 27

9.7Score

12 advantages

Higher score

Xiaomi · 202617 Ultra

9.7Score

6 advantages≈ $1,250

9.6Display9.1

9.8Performance9.5

9.8Camera9.8

9.7Battery9.6

9.4Features9.7

Dimensions

Size comparison

Signature 2717 Ultra

	Signature 27	17 Ultra	Difference
Height	162.1 mm	162.9 mm	−0.8 mm
Width	76.4 mm	77.6 mm	−1.2 mm
Thickness	7.2 mm	8.3 mm	−1.1 mm
Weight	191 g	218 g	−27 g

Drawn to the same scale from the official dimensions (front and side).

Why is Signature 27 better than 17 Ultra?

AnTuTu score5,153,294 vs 2,777,490+86%
Battery capacity7,000 mAh vs 6,000 mAh+17%
Refresh rate165 Hz vs 120 Hz+38%
Peak brightness6,200 nits vs 3,500 nits+77%
Geekbench 6 (multi-core)12,703 vs 10,896+17%
Optical zoom5× vs 4.2×+19%
Weight191 g vs 218 g+14%
CPU frequency5.01 GHz vs 4.6 GHz+9%
Pixel density449 ppi vs 416 ppi+8%
Process2 nm vs 3 nm+50%
Thickness7.2 mm vs 8.3 mm+15%
Resolution (width)1,264 px vs 1,200 px+5%

Why is 17 Ultra better than Signature 27?

Storage (base)256 GB vs 512 GB2×
4K video frame rate60 fps vs 120 fps2×
eSIMNo · Signature 27: Yes
Main camera aperturef/1.9 vs f/1.7+12%
USB version3.1 vs 3.2+3%
Screen-to-body ratio90.2% vs 92.3%+2%

Specifications

Side by side

Only differences	Motorola Signature 279.7	Xiaomi 17 Ultra≈ $1,2509.7
Design
Weight	191 g	218 g
Thickness	7.2 mm	8.3 mm
Height	162.1 mm	162.9 mm
Width	76.4 mm	77.6 mm
Frame	Aluminium	Aluminium
Back	—	Silicone polymer
Ingress protection	IP68	IP68
Water resistance (IPx)	IPx8	IPx8
Glass protection	Corning Gorilla Glass Victus 2	Xiaomi Shield Glass 3.0
Colours	Pantone: Coal Smoke, Capulet Olive	Black, White, Starlit Green
Display
Screen size	6.8″	6.9″
Panel	LTPO AMOLED	LTPO AMOLED
OLED panel	Yes	Yes
LTPO (adaptive 1–120 Hz)	Yes	Yes
Resolution (width)	1,264 px	1,200 px
Resolution (height)	2,780 px	2,608 px
Pixel density	449 ppi	416 ppi
Refresh rate	165 Hz	120 Hz
Peak brightness	6,200 nits	3,500 nits
Measured brightness	—	1,132 nits
Screen-to-body ratio	90.2%	92.3%
HDR	Yes	Yes
Performance
Chipset	Qualcomm SM8975 Snapdragon 8 Elite Extreme Gen 6	Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5
Chip maker	Qualcomm	Qualcomm
Process	2 nm	3 nm
CPU cores	8	8
CPU frequency	5.01 GHz	4.6 GHz
GPU	Adreno 850	Adreno 840
AnTuTu score	5,153,294	2,777,490
Geekbench 6 (multi-core)	12,703	10,896
3DMark Wild Life Extreme	—	6,948
Memory
RAM	16 GB	16 GB
Storage (max)	1,024 GB	1,024 GB
Storage (base)	256 GB	512 GB
Storage type	UFS 4.1	UFS 4.1
Memory card slot	No	No
Camera
Main camera	50 MP	50 MP
Main camera aperture	f/1.9	f/1.7
Main sensor size	1/1.28"	1"
Rear cameras	3	3
Optical stabilisation	Yes	Yes
Ultra-wide camera	Yes	Yes
Telephoto camera	Yes	Yes
Optical zoom	5×	4.2×
Max video	8K	8K
4K video frame rate	60 fps	120 fps
Selfie camera	50 MP	50 MP
4K selfie video	Yes	Yes
Battery
Battery capacity	7,000 mAh	6,000 mAh
Battery type	Si/C	Si/C
Active use (test)	—	19.1 h
Wired charging	90 W	90 W
Charged in 30 min	—	72%
Wireless charging	Yes	Yes
Wireless charging power	50 W	50 W
Reverse wireless charging	Yes	Yes
Connectivity
5G	Yes	Yes
eSIM	No	Yes
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 7	Wi-Fi 7
Bluetooth	6	6
NFC	Yes	Yes
USB	USB Type-C 3.1 Gen2	USB Type-C 3.2 Gen 2
USB version	3.1	3.2
Video output	Yes	Yes
Ultra Wideband	Yes	—
Infrared port	—	Yes
Dual-band GPS	—	Yes
Satellite navigation	GLONASS, GALILEO, BDS, NavIC	GLONASS, GALILEO, BDS, QZSS, NavIC
Features
Stereo speakers	Yes	Yes
3.5 mm headphone jack	No	No
Loudspeaker loudness	—	-24.1 LUFS
Fingerprint sensor	Under display, ultrasonic	Under display, ultrasonic
Barometer	—	Yes
Sensors	Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass	Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer
Software
OS at launch	Android 17	Android 16
Platform	Android	Android
Interface	—	HyperOS 3
Major OS updates promised	7	—