Xiaomi 15 vs Vivo X300

93 out 100

VS

92 out 100

Compared 2 smartphones : Xiaomi 15 Manufactured in October, 2024, with display 6.36 with chipsetQualcomm Snapdragon 8 Elite, vs Vivo X300, Manufactured in October, 2025with chipsetMediaTek Dimensity 9500. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages

Reasons to choose Xiaomi 15

Larger display: 6.36in
Supports Dolby Atmos

Reasons to choose Vivo X300

Lighter design: 190g vs 191g
Higher battery capacity: 6040mAh vs 5400mAh

Versions

Available versions and configurations

Memory Options

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

Review

Key Specs Xiaomi 15 and Vivo X300

Display

Color accuracy, sharpness & brightness

Xiaomi 15

93

Vivo X300

94

Camera

Main & front camera tests

Xiaomi 15

90

Vivo X300

89

Performance

App & system performance

Xiaomi 15

96

Vivo X300

99

Games

3D gaming performance

Xiaomi 15

97

Vivo X300

98

Battery

Battery life, charging speed & type

Xiaomi 15

100

Vivo X300

90

Connectivity

Connectivity features

Xiaomi 15

93

Vivo X300

93

NanoReview Score

Overall score by NanoReview

Xiaomi 15

93

Vivo X300

92

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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	6.36 in	6.31 in
Resolution	1200x2670 pixels	1216x2640 pixels
Aspect ratio	20:9	19.5:9
Pixel density	460 ppi	460 ppi
Refresh rate	120 Hz	120 Hz
Adaptive refresh rate	Yes (1-120 Hz)	Yes (1-120 Hz)
Max brightness	1500 nits	2000 nits
HDR support	Yes Dolby Vision	Yes, Dolby Vision
Touch Sampling Rate	300 Hz	300 Hz
Screen-to-body ratio	90.1 %	90.3 %
Features	- DCI-P3 - Always-On Display - DC dimming	- DCI-P3 - Always-On Display - DC dimming

Peak brightness (auto)

Xiaomi 15

1508 nits

Vivo X300

n/a

sRGB gamut	99.5 %	n/a
PWM (Flicker)	120 Hz	n/a
Response time	1 ms	n/a
Contrast	∞ Infinite	n/a

Sources: NotebookCheck [Xiaomi 15]

Design & Build

Design and ergonomics comparison

Height	152.3 mm (6 in)	150.57 mm (5.93 in)
Width	71.2 mm (2.8 in)	71.92 mm (2.83 in)
Thickness	8.08 mm (0.32 in)	7.95 mm (0.31 in)
Weight	191 g (6.74 oz)	190 g (6.7 oz)
Water resistance	IP68	IP69
Cooling system	Vapor chamber	Vapor chamber
Back panel	Glass	Glass
Frame	Metal	Metal
Colors	- White - Black - Silver - Green - Purple	- Black - Blue - Red - Pink - Purple
Fingerprint sensor	Yes In-Display	Yes, In-Display

Screen-to-body ratio

Xiaomi 15

90.1 %

Vivo X300

90.3 %

Performance

Testing Xiaomi 15 and Vivo X300 In benchmarks

Chipset	Qualcomm Snapdragon 8 Elite	MediaTek Dimensity 9500
Max Frequency	4320 MHz	4210 MHz
CPU Cores	8 (2 + 6)	8 (1 + 3 + 4)
Architecture	- 6/3.53 (Oryon (Phoenix M)) - 2/4.32 (Oryon (Phoenix L))	- 4/2.7 (C1-Pro) - 3/3.5 (C1-Premium) - 1/4.21 (C1-Ultra)
Process	TSMC	TSMC
Transistor Size	3 nm	3 nm
Neural Processor	Hexagon	MediaTek NPU 990
Graphics	Adreno 830	Mali-G1 Ultra MP12
GPU Cores	1536	1536
GPU Frequency	1100 MHz	1716 MHz
FLOPS	3379.2 GFLOPS	5271.5 GFLOPS

Geekbench 6 (Single-Core)

Xiaomi 15

2934

Vivo X300

3383

Geekbench 6 (Multi-Core)

Xiaomi 15

8762

Vivo X300

10099

Geekbench 6 (Single-Core)	2934	3383
Geekbench 6 (Multi-Core)	8762	10099
Geekbench Compute (GPU)	24507	25462

Sources: Geekbench v6 [Xiaomi 15], [Vivo X300]

AnTuTu 10

Xiaomi 15

2620144

Vivo X300

3367414

CPU	584725	957632
GPU	1142381	1342611
Memory	519406	448412
UX	373632	618759
NanoReview Score	2620144	3367414

3DMark Wild Life

Xiaomi 15

20823

Vivo X300

n/a

Sources: 3DMark [Xiaomi 15]

PCMark 3.0

Xiaomi 15

18292

Vivo X300

n/a

Writing score	22508	n/a
Web score	18826	n/a
Video editing	8060	n/a
Data manipulation	14605	n/a
NanoReview Score	18292	n/a

Memory

RAM Size	- 12 GB - 16 GB	12 GB
Memory Type	LPDDR5X	LPDDR5X
Memory Frequency	n/a	5333 MHz
Channels	2	4

Storage Capacity	- 256 GB - 512 GB - 1024 GB	256 GB
Storage Type	UFS 4.0	UFS 4.1
Memory Card	No	No

Software

OS	Android 15	Android 16
OS Size	21 GB	n/a
UI Skin	HyperOS 2.0	OriginOS 6

Battery

Volume	5400 mAh	6040 mAh
Max Charging Power	90 W	90 W
Battery Type	Silicon Carbon (Si/C)	Silicon Carbon (Si/C)
Removable	No	No
Wireless Charging	Yes (50 W)	Yes (40 W)
Reverse Charging	Yes (Wireless)	Yes, (Wireless)
Fast Charging	Yes (83% in 30 min)	Yes (73% in 30 min)
Full Charge Time	0:45 h	0:46 h

Battery Life

Xiaomi 15

31:54

Vivo X300

n/a

Web Browsing	13:20 h	n/a
Video Playback	19:22 h	n/a
Games	07:10 h	n/a
Standby Mode	150 h	n/a

Main camera

Matrix	50 MP	200 MP
Photo resolution	8192x6144 pixels	n/a
Zoom	Optical, 2.6x	Optical, 3x
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 120 fps)
1080p Recording	Yes (Up to 60 fps)	Yes (Up to 60 fps)
Slow Motion	1920 fps (720p)	240 fps (1080p)
Wide-angle lens	115 °	119 °
Lenses count	Standard: 50 MP Telephoto: 50 MP Ultra-wide: 50 MP	Standard: 200 MP Telephoto: 50 MP Ultra-wide: 50 MP
Features	- Bokeh effect - Pro mode - RAW support	- Bokeh effect - Pro mode

Matrix	50 MP	200 MP
Aperture	f/1.6	f/1.68
Focal length	23 mm	23 mm
Sensor	OmniVision OVX9000 Light Fusion 900	Samsung ISOCELL HPB
Sensor size	1/1.31	1/1.4
Pixel size	1.2 μm	0.56 μm
Autofocus	Laser autofocus	Laser autofocus
Stabilization	Optical	Optical

Matrix	50 MP	50 MP
Aperture	f/2.0	f/2.6
Focal length	60 mm	70 mm
Sensor	Samsung S5KJN5	Sony LYT-602
Sensor size	1/2.76	1/1.95
Pixel size	0.64 μm	0.8 μm
Stabilization	Optical	Optical

Matrix	50 MP	50 MP
Aperture	f/2.2	f/2.0
Focal length	14 mm	15 mm
Sensor	Samsung S5KJN1	Samsung S5KJN1
Sensor size	1/2.76	1/2.76
Pixel size	0.64 μm	0.64 μm
Stabilization	Digital	Digital

Photo quality

Xiaomi 15

150

Vivo X300

n/a

Video quality

Xiaomi 15

133

Vivo X300

n/a

Overall camera score

Xiaomi 15

147

Vivo X300

n/a

Bokeh	75	n/a
Preview	87	n/a
Zoom	152	n/a

Sources: DxOMark [Xiaomi 15]

Front camera

Matrix	32 MP	50 MP
Photo resolution	6528x4896 pixels	8192x6144 pixels
Aperture	f/2.0	f/2.0
Focal length	22 mm	n/a
Sensor	Omnivision OV32B	Samsung S5KJN1
Sensor size	1/3.14	1/2.76
Pixel size	0.7 μm	0.64 μm
Autofocus	No	Phase autofocus
Stabilization	Digital	Digital
Video resolution	2160p (4K) at 60 fps	2160p (4K) at 60 fps
TOF 3D sensor	No	No

Connectivity

Wi-Fi version	Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)	Wi-Fi 7 (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	5.4	5.4
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	Yes
GPS	- GPS - GLONASS - Beidou - Galileo - QZSS - NAVIC	- GPS - GLONASS - Beidou - Galileo - QZSS - NAVIC
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 B2/B3/B5/B8	GSM 850/900/1800/1900 MHz
3G Bands	WCDMA B1/B2/B4/B5/B6/B8/B19	WCDMA B1/B2/B4/B5/B6/B8/B19
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/B18/B19/B20/B25/B26/B28/B34/B38/B39/B40/B41/B42/B43/B48/B66)
5G Support	Yes	Yes

Sound

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

Max Volume

Xiaomi 15

91.3 dB

Vivo X300

n/a

Other

Class	Flagship	Flagship
Announced	October, 2024 yr	October, 2025 yr
Release Date	October, 2024 yr	October, 2025 yr
Launch Price ($)	757	n/a
MSRP ($)	n/a	699
Sensors	- 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	Yes, 90 W

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which smartphone would you pick?

Xiaomi 15

17 (36.17%)

Vivo X300

30 (63.83%)

Total Votes: 47

Xiaomi 15 vs Vivo X300

Key Differences

Versions

Review

Tests & specs

Display

Design & Build

Performance

Memory

Software

Battery

Main camera

Front camera

Connectivity

Sound

Other

Results

Survey

User comments