Xiaomi 15 Ultra vs Google Pixel 7a

95 out 100

VS

68 out 100

Compared 2 smartphones : Xiaomi 15 Ultra Manufactured in February, 2025, with display 6.73 with chipsetQualcomm Snapdragon 8 Elite, vs Google Pixel 7a, Manufactured in May, 2023 with chipsetGoogle Tensor G2. 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
Higher refresh rate: 120Hz
Higher battery capacity: 5410mAh vs 4385mAh
Newer Bluetooth version: 6.0 vs 5.3
Supports DisplayPort
Infrared port
Includes charger

Reasons to choose Google Pixel 7a

Lighter design: 193.5g vs 226g

Versions

Available versions and configurations

Memory Options

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

8/128 GB

Review

Key Specs Xiaomi 15 Ultra and Google Pixel 7a

Display

Color accuracy, sharpness & brightness

Xiaomi 15 Ultra

97

Google Pixel 7a

77

Camera

Main & front camera tests

Xiaomi 15 Ultra

95

Google Pixel 7a

78

Performance

App & system performance

Xiaomi 15 Ultra

96

Google Pixel 7a

54

Games

3D gaming performance

Xiaomi 15 Ultra

96

Google Pixel 7a

47

Battery

Battery life, charging speed & type

Xiaomi 15 Ultra

97

Google Pixel 7a

60

Connectivity

Connectivity features

Xiaomi 15 Ultra

98

Google Pixel 7a

84

NanoReview Score

Overall score by NanoReview

Xiaomi 15 Ultra

95

Google Pixel 7a

68

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	OLED
Size	6.73 in	6.1 in
Resolution	1440x3200 pixels	1080x2400 pixels
Aspect ratio	20:9	20:9
Pixel density	522 ppi	429 ppi
Refresh rate	120 Hz	90 Hz
Adaptive refresh rate	Yes (1-120 Hz)	No
Max brightness	n/a	700 nits
HDR support	Yes Dolby Vision	Yes HDR10+
Touch Sampling Rate	300 Hz	n/a
Screen-to-body ratio	90 %	81.1 %
Features	- DCI-P3 - Always-On Display - DC dimming	- DCI-P3 - Always-On Display

Peak brightness (auto)

Xiaomi 15 Ultra

1599 nits

Google Pixel 7a

1067 nits

sRGB gamut	99.7 %	98.4 %
PWM (Flicker)	120 Hz	218 Hz
Response time	1 ms	2 ms
Contrast	∞ Infinite	∞ Infinite

Sources: NotebookCheck [Xiaomi 15 Ultra], [Google Pixel 7a]

Design & Build

Design and ergonomics comparison

Height	161.3 mm (6.35 in)	152 mm (5.98 in)
Width	75.3 mm (2.96 in)	72.9 mm (2.87 in)
Thickness	9.35 mm (0.37 in)	9 mm (0.35 in)
Weight	226 g (7.97 oz)	193.5 g (6.83 oz)
Water resistance	IP68	IP67
Cooling system	Vapor chamber	n/a
Back panel	Glass	Plastic
Frame	Metal	Metal
Colors	- White - Black - Silver - Green	- White - Gray - Blue - Orange
Fingerprint sensor	Yes In-Display	Yes In-Display

Screen-to-body ratio

Xiaomi 15 Ultra

90 %

Google Pixel 7a

81.1 %

Performance

Testing Xiaomi 15 Ultra and Google Pixel 7a In benchmarks

Chipset	Qualcomm Snapdragon 8 Elite	Google Tensor G2
Max Frequency	4320 MHz	2850 MHz
CPU Cores	8 (2 + 6)	8 (2 + 2 + 4)
Architecture	- 6/3.53 (Oryon (Phoenix M)) - 2/4.32 (Oryon (Phoenix L))	- 4/1.8 (Cortex-A55) - 2/2.35 (Cortex-A78) - 2/2.85 (Cortex-X1)
Process	TSMC	Samsung
Transistor Size	3 nm	5 nm
Neural Processor	Hexagon	Next-gen Tensor Processing Unit
Graphics	Adreno 830	Mali-G710 MP7
GPU Cores	1536	672
GPU Frequency	1100 MHz	850 MHz
FLOPS	3379.2 GFLOPS	1142.4 GFLOPS

Geekbench 6 (Single-Core)

Xiaomi 15 Ultra

3008

Google Pixel 7a

1443

Geekbench 6 (Multi-Core)

Xiaomi 15 Ultra

9065

Google Pixel 7a

3493

Geekbench 6 (Single-Core)	3008	1443
Geekbench 6 (Multi-Core)	9065	3493

Sources: Geekbench v6 [Xiaomi 15 Ultra], [Google Pixel 7a]

AnTuTu 10

Xiaomi 15 Ultra

2544373

Google Pixel 7a

930436

CPU	558586	255576
GPU	1040161	325623
Memory	520300	149843
UX	425326	199394
NanoReview Score	2544373	930436

3DMark Wild Life

Xiaomi 15 Ultra

n/a

Google Pixel 7a

6343

Max Surface Temp.	n/a	50.8 °C
Stability	n/a	65 %
Graphics Test	n/a	37 fps
Graphics Score	n/a	6343

Sources: 3DMark [Google Pixel 7a]

PCMark 3.0

Xiaomi 15 Ultra

n/a

Google Pixel 7a

10609

Writing score	n/a	15048
Web score	n/a	7500
Video editing	n/a	6362
Data manipulation	n/a	10504
NanoReview Score	n/a	10609

Memory

RAM Size	12 GB	8 GB
Memory Type	LPDDR5X	LPDDR5
Memory Frequency	5333 MHz	3200 MHz
Channels	2	4

Storage Capacity	256 GB	128 GB
Storage Type	UFS 4.1	UFS 3.1
Memory Card	No	No

Software

OS	Android 15	Android 13 (Upgradeable to Android 15)
OS Size	23.9 GB	n/a
UI Skin	HyperOS 2.0	Stock Android

Battery

Volume	5410 mAh	4385 mAh
Max Charging Power	90 W	18 W
Battery Type	Silicon Carbon (Si/C)	Li-Po
Removable	No	No
Wireless Charging	Yes (80 W)	Yes (7.5 W)
Reverse Charging	Yes (Wireless)	No
Fast Charging	Yes (72% in 30 min)	Yes (20% in 36 min)
Full Charge Time	0:51 h	1:57 h

Battery Life

Xiaomi 15 Ultra

30:03

Google Pixel 7a

19:16

Web Browsing	12:19 h	08:24 h
Video Playback	18:43 h	13:40 h
Games	06:45 h	05:06 h
Standby Mode	141 h	76 h

Main camera

Matrix	50 MP	64 MP
Photo resolution	8192x6144 pixels	9000x7000 pixels
Zoom	Optical, 4.3x	Digital
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)	240 fps (1080p)
Wide-angle lens	115 °	120 °
Lenses count	Standard: 50 MP Telephoto: 200 MP Telephoto: 50 MP Ultra-wide: 50 MP Depth	Standard: 64 MP Ultra-wide: 13 MP
Features	- Bokeh effect - Pro mode - RAW support	- Bokeh effect - Pro mode - RAW support

Matrix	50 MP	64 MP
Aperture	f/1.63	f/1.9
Focal length	23 mm	26 mm
Sensor	Sony LYT-900	Sony IMX787
Sensor size	1/1.0	1/1.73
Pixel size	1.6 μm	0.8 μm
Autofocus	Laser autofocus	Phase autofocus (Dual Pixel)
Stabilization	Optical	Optical

Matrix	200 MP	n/a
Aperture	f/2.6	n/a
Focal length	100 mm	n/a
Sensor	Samsung ISOCELL S5KHP9	n/a
Sensor size	1/1.4	n/a
Pixel size	0.56 μm	n/a
Stabilization	Optical	n/a

Matrix	50 MP	13 MP
Aperture	f/2.2	f/2.2
Focal length	14 mm	n/a
Sensor	Samsung S5KJN5	Sony IMX712
Sensor size	1/2.76	1/3.06
Pixel size	0.64 μm	1.12 μm
Stabilization	Digital	Digital

Photo quality

Xiaomi 15 Ultra

158

Google Pixel 7a

138

Video quality

Xiaomi 15 Ultra

134

Google Pixel 7a

133

Overall camera score

Xiaomi 15 Ultra

153

Google Pixel 7a

133

Bokeh	80	70
Preview	89	69
Zoom	n/a	105

Sources: DxOMark [Xiaomi 15 Ultra], [Google Pixel 7a]

Front camera

Matrix	32 MP	13 MP
Photo resolution	6528x4896 pixels	4032x3024 pixels
Aperture	f/2.0	n/a
Focal length	22 mm	n/a
Sensor	Omnivision OV32B	n/a
Sensor size	1/3.14	n/a
Pixel size	0.7 μm	n/a
Autofocus	No	n/a
Stabilization	Digital	n/a
Video resolution	2160p (4K) at 60 fps	2160p (4K) at 30 fps
TOF 3D sensor	No	No

Photo quality

Xiaomi 15 Ultra

n/a

Google Pixel 7a

136

Video quality

Xiaomi 15 Ultra

n/a

Google Pixel 7a

146

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)
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	5.3
Bluetooth features	LE	LE
USB type	USB Type-C	USB Type-C
USB version	3.2	3.2
USB features	- Charging - USB Storage Mode - OTG	- Charging - USB Storage Mode - OTG
DisplayPort	Yes	n/a
GPS	- GPS - GLONASS - Beidou - Galileo - QZSS - NAVIC	- GPS - GLONASS - Galileo - QZSS - NAVIC
NFC*	Yes	Yes
Infrared Port	Yes	No

SIM Count*	2	1
SIM Type	Nano	Nano
SIM Mode	Dual SIM Standby	n/a
eSIM Support *	Yes	Yes
Hybrid Slot	No	No
2G Bands	GSM 2/3/5/8	GSM/EDGE: Quad-band (850, 900, 1800, 1900 MHz)
3G Bands	WCDMA 1/2/4/5/6/8/19	UMTS/HSPA+/HSDPA: Bands 1, 2, 4, 5, 6, 8, 19
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 (B/B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B17/B20/B25/B26/B28/B29/B30/B38/B40/B41/B48/B66/B71)
LTE category	n/a	20
5G Support	Yes	Yes

Sound

Speakers	n/a	Stereo
3.5 mm Jack	No	No
FM Radio	No	No
Dolby Atmos	Yes	Yes

Max Volume

Xiaomi 15 Ultra

92.1 dB

Google Pixel 7a

90.4 dB

Other

Class	Flagship	Mid-range
Announced	February, 2025 yr	May, 2023 yr
Release Date	February, 2025 yr	May, 2023 yr
Launch Price ($)	n/a	499
MSRP ($)	1099	n/a
Sensors	- Barometer - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor	- Barometer - 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%)

Google Pixel 7a

0 (0%)

Total Votes: 0

Xiaomi 15 Ultra vs Google Pixel 7a

Key Differences

Versions

Review

Tests & specs

Display

Design & Build

Performance

Memory

Software

Battery

Main camera

Front camera

Connectivity

Sound

Other

Note

Results

Survey

User comments