Xiaomi 15 Ultra vs Xiaomi 17T

95 out 100

VS

84 out 100

Compared 2 smartphones : Xiaomi 15 Ultra Manufactured in February, 2025, with display 6.73 with chipsetQualcomm Snapdragon 8 Elite, vs Xiaomi 17T, Manufactured in May, 2026with chipsetMediaTek Dimensity 8500 Ultra. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages

Reasons to choose Xiaomi 15 Ultra

Larger display: 6.73in
Higher pixel density: 522ppi
Supports newer USB: 3.2 vs 2
Supports DisplayPort
Includes charger

Reasons to choose Xiaomi 17T

Lighter design: 200g vs 226g
Higher battery capacity: 6500mAh vs 5410mAh

Versions

Available versions and configurations

Memory Options

- 12/256 GB
- 16/512 GB
- 16/1024 GB

- 12/256 GB
- 12/512 GB

Review

Key Specs Xiaomi 15 Ultra and Xiaomi 17T

Display

Color accuracy, sharpness & brightness

Xiaomi 15 Ultra

97

Xiaomi 17T

95

Camera

Main & front camera tests

Xiaomi 15 Ultra

95

Xiaomi 17T

88

Performance

App & system performance

Xiaomi 15 Ultra

96

Xiaomi 17T

77

Games

3D gaming performance

Xiaomi 15 Ultra

96

Xiaomi 17T

68

Battery

Battery life, charging speed & type

Xiaomi 15 Ultra

97

Xiaomi 17T

85

Connectivity

Connectivity features

Xiaomi 15 Ultra

98

Xiaomi 17T

81

NanoReview Score

Overall score by NanoReview

Xiaomi 15 Ultra

95

Xiaomi 17T

84

Adjust each parameter’s importance to find the best match for you.

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Function

Importance (Weight)

Display:

Camera:

Performance:

Gaming:

Battery:

Connectivity:

Higher weight means greater impact on NanoReview score.

Display

Display quality comparison

Type	AMOLED	AMOLED
Size	6.73 in	6.59 in
Resolution	1440x3200 pixels	1268x2756 pixels
Aspect ratio	20:9	19.5:9
Pixel density	522 ppi	460 ppi
Refresh rate	120 Hz	120 Hz
Adaptive refresh rate	Yes (1-120 Hz)	Yes
HDR support	Yes Dolby Vision	Yes, Dolby Vision
Touch Sampling Rate	300 Hz	480 Hz
Screen-to-body ratio	90 %	89.9 %
Features	- DCI-P3 - Always-On Display - DC dimming	- DCI-P3 - Always-On Display - DC dimming

Peak brightness (auto)

Xiaomi 15 Ultra

1599 nits

Xiaomi 17T

3329 nits

sRGB gamut	99.7 %	n/a
PWM (Flicker)	120 Hz	n/a
Response time	1 ms	n/a
Contrast	∞ Infinite	n/a

Sources: NotebookCheck [Xiaomi 15 Ultra]

Design & Build

Design and ergonomics comparison

Height	161.3 mm (6.35 in)	157.6 mm (6.2 in)
Width	75.3 mm (2.96 in)	75.2 mm (2.96 in)
Thickness	9.35 mm (0.37 in)	8.17 mm (0.32 in)
Weight	226 g (7.97 oz)	200 g (7.05 oz)
Water resistance	IP68	IP68
Cooling system	Vapor chamber	Vapor chamber
Back panel	Glass	n/a
Frame	Metal	Plastic
Colors	- White - Black - Silver - Green	- White - Black - Blue - Purple
Fingerprint sensor	Yes In-Display	Yes, In-Display

Screen-to-body ratio

Xiaomi 15 Ultra

90 %

Xiaomi 17T

89.9 %

Performance

Testing Xiaomi 15 Ultra and Xiaomi 17T In benchmarks

Chipset	Qualcomm Snapdragon 8 Elite	MediaTek Dimensity 8500 Ultra
Max Frequency	4320 MHz	3400 MHz
CPU Cores	8 (2 + 6)	8 (1 + 3 + 4)
Architecture	- 6/3.53 (Oryon (Phoenix M)) - 2/4.32 (Oryon (Phoenix L))	- 4/2.2 (Cortex-A725) - 3/3.2 (Cortex-A725) - 1/3.4 (Cortex-A725)
Process	TSMC	TSMC
Transistor Size	3 nm	4 nm
Neural Processor	Hexagon	MediaTek NPU 880
Graphics	Adreno 830	n/a
GPU Cores	1536	n/a
GPU Frequency	1100 MHz	n/a
FLOPS	3379.2 GFLOPS	n/a

Geekbench 6 (Single-Core)

Xiaomi 15 Ultra

3008

Xiaomi 17T

1704

Geekbench 6 (Multi-Core)

Xiaomi 15 Ultra

9065

Xiaomi 17T

6686

Geekbench 6 (Single-Core)	3008	1704
Geekbench 6 (Multi-Core)	9065	6686

Sources: Geekbench v6 [Xiaomi 15 Ultra], [Xiaomi 17T]

AnTuTu 10

Xiaomi 15 Ultra

2544373

Xiaomi 17T

2407614

CPU	558586	709591
GPU	1040161	762021
Memory	520300	409017
UX	425326	526985
NanoReview Score	2544373	2407614

Memory

RAM Size	12 GB	12 GB
Memory Type	LPDDR5X	LPDDR5X
Memory Frequency	5333 MHz	5333 MHz
Channels	2	4

Storage Capacity	256 GB	256 GB
Storage Type	UFS 4.1	UFS 4.1
Memory Card	No	No

Software

OS	Android 15	Android 16
OS Size	23.9 GB	n/a
UI Skin	HyperOS 2.0	HyperOS 3

Battery

Volume	5410 mAh	6500 mAh
Max Charging Power	90 W	67 W
Battery Type	Silicon Carbon (Si/C)	Silicon Carbon (Si/C)
Removable	No	No
Wireless Charging	Yes (80 W)	No
Reverse Charging	Yes (Wireless)	Yes
Fast Charging	Yes (72% in 30 min)	Yes (55% in 30 min)
Full Charge Time	0:51 h	1:00 h

Battery Life

Xiaomi 15 Ultra

30:03

Xiaomi 17T

28:50

Web Browsing	12:19 h	13:50 h
Video Playback	18:43 h	18:40 h
Games	06:45 h	07:52 h
Standby Mode	141 h	112 h

Main camera

Matrix	50 MP	50 MP
Photo resolution	8192x6144 pixels	8192x6144 pixels
Zoom	Optical, 4.3x	Optical, 5x
Flash	Dual LED	Dual LED
Stabilization	Optical	Optical
8K Recording	Yes (Up to 30 fps)	No
4K Recording	Yes (Up to 120 fps)	Yes (Up to 60 fps)
1080p Recording	Yes (Up to 60 fps)	Yes (Up to 60 fps)
Slow Motion	1920 fps (1080p)	960 fps (1080p)
Wide-angle lens	115 °	120 °
Lenses count	Standard: 50 MP Telephoto: 200 MP Telephoto: 50 MP Ultra-wide: 50 MP Depth	Standard: 50 MP Telephoto: 50 MP Ultra-wide: 12 MP
Features	- Bokeh effect - Pro mode - RAW support	- Bokeh effect - Pro mode - RAW support

Matrix	50 MP	50 MP
Aperture	f/1.63	f/1.7
Focal length	23 mm	23 mm
Sensor	Sony LYT-900	Omnivision OV50
Sensor size	1/1.0	1/1.55 (0.65)
Pixel size	1.6 μm	1 μm
Autofocus	Laser autofocus	Phase autofocus
Stabilization	Optical	Optical

Matrix	200 MP	50 MP
Aperture	f/2.6	f/3.0
Focal length	100 mm	115 mm
Sensor	Samsung ISOCELL S5KHP9	Samsung S5KJN5
Sensor size	1/1.4	1/2.76 (0.36)
Pixel size	0.56 μm	0.64 μm
Stabilization	Optical	Optical

Matrix	50 MP	12 MP
Aperture	f/2.2	f/2.2
Focal length	14 mm	15 mm
Sensor	Samsung S5KJN5	n/a
Sensor size	1/2.76	1/3.06 (0.33)
Pixel size	0.64 μm	n/a
Stabilization	Digital	Digital

Photo quality

Xiaomi 15 Ultra

158

Xiaomi 17T

n/a

Video quality

Xiaomi 15 Ultra

134

Xiaomi 17T

n/a

Overall camera score

Xiaomi 15 Ultra

153

Xiaomi 17T

n/a

Bokeh	80	n/a
Preview	89	n/a

Sources: DxOMark [Xiaomi 15 Ultra]

Front camera

Matrix	32 MP	32 MP
Photo resolution	6528x4896 pixels	n/a
Aperture	f/2.0	f/2.2
Focal length	22 mm	21 mm
Sensor	Omnivision OV32B	CMOS
Sensor size	1/3.14	1/3.44 (0.29)
Pixel size	0.7 μm	0.64 μm
Autofocus	No	No
Stabilization	Digital	Digital
Video resolution	2160p (4K) at 60 fps	2160p (4K) at 30 fps
TOF 3D sensor	No	No

Connectivity

Wi-Fi version	Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)	Wi-Fi 6E (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features	- Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display	- Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display
Bluetooth version	6.0	6.0
Bluetooth features	LE	LE
USB type	USB Type-C	USB Type-C
USB version	3.2	2
USB features	- Charging - USB Storage Mode - OTG	- Charging - USB Storage Mode - OTG
DisplayPort	Yes	No
GPS	- GPS - GLONASS - Beidou - Galileo - QZSS - NAVIC	- GPS - GLONASS - Beidou - Galileo - QZSS
NFC*	Yes	Yes
Infrared Port	Yes	Yes

SIM Count*	2	2
SIM Type	Nano	Nano
SIM Mode	Dual SIM Standby	Dual SIM Standby
eSIM Support *	Yes	Yes
Hybrid Slot	No	No
2G Bands	GSM 2/3/5/8	GSM B2/3/5/8
3G Bands	WCDMA 1/2/4/5/6/8/19	WCDMA B1/2/4/5/8
LTE Bands*	LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)	LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B34/B38/B39/B40/B41/B42/B48/B66/B71)
5G Support	Yes	Yes

Sound

3.5 mm Jack	No	No
FM Radio	No	No
Dolby Atmos	Yes	Yes

Max Volume

Xiaomi 15 Ultra

92.1 dB

Xiaomi 17T

n/a

Other

Class	Flagship	Flagship
Announced	February, 2025 yr	May, 2026 yr
Release Date	February, 2025 yr	May, 2026 yr
MSRP ($)	1099	749
Sensors	- Barometer - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor	- Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor
Charger Included	Yes 90 W	No

Note

Xiaomi 15 Ultra:

The Chinese version of the Xiaomi 15 Ultra has a 6000 mAh battery, while the international model comes with 5410 mAh, leading to a noticeable difference in battery life.

Results

After analyzing the data, we consider Xiaomi 15 Ultra the clear winner in this comparison.

Survey

Which smartphone would you pick?

Xiaomi 15 Ultra

0 (0%)

Xiaomi 17T

0 (0%)

Total Votes: 0

Xiaomi 15 Ultra vs Xiaomi 17T

Key Differences

Versions

Review

Tests & specs

Display

Design & Build

Performance

Memory

Software

Battery

Main camera

Front camera

Connectivity

Sound

Other

Note

Results

Survey

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