Motorola Signature 27 vs Xiaomi 17 Ultra

The Motorola Signature 27 is the newer phone, announced Sep 22, 2026.

2 of 4 phones Clear all

Motorola Motorola Signature 27

Price TBA

Announced

Xiaomi Xiaomi 17 Ultra

8.7 Price TBA

Key differences

Why choose the Motorola Signature 27

Newer model Sep 22, 2026 vs Dec 25, 2025

Why choose the Xiaomi 17 Ultra

No clear spec advantage in our data.

PhoneRanked scores

Calculated from specs, relative to phones from the same year and price range. How we rate phones

Value for money marked “est.” is an estimate: that phone has no official US launch price, so it is not highlighted against the others.

Spec Motorola Signature 27Xiaomi 17 Ultra

Overall — 8.7

Display — 8.5

Performance — 9.0

Camera — 8.9

Battery — 8.0

Design — 8.3

Software support — 3.5

Value for money — 6.0 est.

Display

Spec Motorola Signature 27Xiaomi 17 Ultra

Size — 6.9 inches

Type — OLED, Xiaomi HyperRGB OLED

Resolution — 1200 × 2608 px

Pixel density — 416 ppi

Refresh rate — 120 Hz

Adaptive refresh — ✓ Yes

Peak brightness — 3,500 nits

HDR — HDR10, HDR10+, Dolby Vision, HDR Vivid

Protection — Xiaomi Shield Glass 3.0

Performance

Spec Motorola Signature 27Xiaomi 17 Ultra

Chipset Snapdragon 8 Elite Extreme Gen 6 Snapdragon 8 Elite Gen 5

Process 2 nm 3 nm

Max CPU clock 5 GHz 4.6 GHz

GPU — Adreno 840

RAM — 16 GB

Storage — 512 GB / 1 TB

Storage type — UFS 4.1

microSD slot — ✕ No

Cameras

Spec Motorola Signature 27Xiaomi 17 Ultra

Main camera 50 MP 50 MP, f/1.67, 1"

Optical stabilization — ✓ Yes

Ultrawide — 50 MP

Telephoto 200 MP, periscope 200 MP, 4.3× optical, periscope

Optical zoom — 4.3×

Rear cameras — 3

Rear video — 8K@30

Front camera — 50 MP

Front video — 4K@60

Battery and charging

Spec Motorola Signature 27Xiaomi 17 Ultra

Capacity — 6,000 mAh

Battery type — Silicon-carbon

Wired charging — 90 W

Wireless charging — 50 W

Reverse wireless — ✓ Yes

Charger in box — ✕ No

Design and build

Spec Motorola Signature 27Xiaomi 17 Ultra

Dimensions — 162.9 × 77.6 × 8.29 mm

Thickness — 8.29 mm

Weight — 218.4 g

Form factor Bar Bar

Frame Aluminum Aluminum

Back — Fiberglass

Water resistance — IP68

Fingerprint — Under-display ultrasonic

3D face unlock — ✕ No

SIM — Dual Nano-SIM + eSIM

Colors PANTONE Capulet Olive, PANTONE Coal Smoke Starlit Green, Black, White

Connectivity and features

Spec Motorola Signature 27Xiaomi 17 Ultra

5G — ✓ Yes

Wi-Fi — Wi-Fi 7

Bluetooth — 6.0

USB — USB-C 3.x

NFC — ✓ Yes

3.5 mm jack — ✕ No

Stereo speakers — ✓ Yes

Satellite — ✕ No

IR blaster — ✓ Yes

Software

Spec Motorola Signature 27Xiaomi 17 Ultra

OS at launch Android Android 16

Interface — Xiaomi HyperOS 3

OS updates 7 years —

Security updates 7 years —

Launch and price

Spec Motorola Signature 27Xiaomi 17 Ultra

Announced Sep 22, 2026 Dec 25, 2025

Released Q4 2026 Dec 27, 2025

Status Announced Released

Green marks the stronger value in a row. Specs come from official manufacturer data, cross-checked with established tech media; each phone page lists its sources. Report an error

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