OnePlus 9 (LE2115 128GB) vs Xiaomi 15 (China 512GB/16GB)

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Side by side comparison between OnePlus 9 vs Xiaomi 15 phones, differences, pros, cons and full specifications. What's the better?

5/20/2025 6:05 PM, updated: 5/20/2025 6:20 PM

Compare Xiaomi 15 X OnePlus 9 (LE2115 128GB) 02Points

Specifications Compare Models Pictures

6.55"
AMOLED

1080x2400

48
MP

16mp

8GB
RAM

Octa-core

4500
mAh

(Non removable)

26Points Xiaomi 15 (China 512GB/16GB) Compare OnePlus 9 X

Specifications Compare Models Pictures

6.36"
AMOLED

1200x2670

50
MP

32mp

16GB
RAM

Octa-core

5400
mAh

(Non removable)

What's the better phone? Xiaomi 15 (China 512GB/16GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

2 Advantages OnePlus 9 (LE2115 128GB)	vs	26 Advantages Xiaomi 15 (China 512GB/16GB)
+6.55"3% Larger screen	vs	6.36"
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
2.84GHz 64bit Octa-core (5nm)	vs	+4.32GHz 64bit Octa-core (3nm)90% More powerful processor, you can open your applications faster
8GB LPDDR5	vs	+16GB LPDDR5X100% More RAM memory. Typically more responsive and better for multitasking.
128GB (101GB available)	vs	+512GB (458GB available)4 times More internal storage for applications and files
UFS 3.1	vs	+UFS 4.0Advantage Fastest write and read storage.
8.7 millimeters (0.34 inches)	vs	+8.4 millimeters (0.33 inches)4% Thinner
Plastic body, glass front/back	vs	+Aluminum body, glass frontAdvantage More resistant material
1 billion	vs	+68 billion67 times More colors on the screen is better quality images and videos
1080x2400 pixels	vs	+1200x2670 pixels24% Higher resolution screen
402 PPI	vs	+460 PPI14% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(triple camera) 48MP + 50MP + 2MP	vs	+(triple camera) 50MP + 50MP + 50MP50% Higher resolution main camera
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
1/1.43" inches	vs	+1/1.31" inches9% The larger sensor camera lets you take photos with better depth.
f/1.8 (aperture)	vs	+f/1.6 (aperture)13% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 16MP	vs	+(front) 32MP101% Higher resolution secondary camera to take pictures and selfies
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
Android 13	vs	+Android 15Advantage Android 15 is newer and safer
(5G SA/NSA) 2000 Mbps	vs	+(5G Sub6) 3000 Mbps50% Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
4500 mAh	vs	+5400 mAh20% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
65W	vs	+90W38% More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
1 slot (Single-SIM)	vs	+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.
802.11 a/b/g/n/ac/ax [wifi6]	vs	+802.11 a/b/g/n/ac/ax/be [wifi7/6E/6]Advantage WiFi 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] is newer and faster
5.2 + A2DP/LE	vs	+6.0 + A2DP/LEAdvantage Bluetooth 6.0 + A2DP/LE is newer and faster
USB 3.1 Type-C, USB OTG On-The-Go	vs	+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.
Not supported	vs	+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

31 Common items in both devices

192 grams (6.72 ounces)

Fluid AMOLED / LTPO AMOLED

HDR10+ / Dolby Vision/HDR10+

120Hz

Dual-LED flash

PDAF: phase detection autofocus

BSI sensor

+24 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences

📱 Model features
	OnePlus 9 (LE2115 128GB)	Xiaomi 15 (China 512GB/16GB)
Change model		Choose the model
Model	OnePlus 9 (LE2115 128GB)	Xiaomi 15 (China 512GB/16GB)
Other model names	OnePlus 9 5G LE2115 (Unlocked), BBK Lemonade	Xiaomi 15 24129PN74C
Country or region available	Canada, USA	China
Brand	OnePlus	Xiaomi
Release date	3/26/2021, Announced: 3/23/2021	10/29/2024
Depth	8.7 millimeters (0.34 inches)	8.4 millimeters (0.33 inches)
Size (width x height)	74.2 x 160 millimeters (2.92 x 6.3 in)	71.2 x 152.3 millimeters (2.8 x 6 in)
Weight	192 grams (6.72 ounces)	192 grams (6.72 ounces)
Build, materials	Plastic body, glass front/back	Aluminum body, glass front
Protection against water and others	Not supported	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	OnePlus 9 (LE2115 128GB)	Xiaomi 15 (China 512GB/16GB)
Display type	Fluid AMOLED	LTPO AMOLED
Screen size	6.55" inches	6.36" inches
Screen-to-body ratio	~87.2% (screen-to-body ratio)	~90% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1200x2670 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	402 PPI	460 PPI
Colors	1 billion	68 billion
Scratch-resistant glass	Gorilla Glass 5	Dragon Crystal Glass
Refresh rate	120Hz	120Hz
Display features	1100nits[peak] HDR10+ Always-On Display	3200nits[peak] Dolby Vision/HDR10+ Touch Sampling Rate: 300Hz
🤖 Operating System
	OnePlus 9 (LE2115 128GB)	Xiaomi 15 (China 512GB/16GB)
System version	Android 11	Android 15
Firmware update	Android 13	feature not registered
User Interface	OxygenOS 12 / 13	HyperOS 2
⚙️ Processor
	OnePlus 9 (LE2115 128GB)	Xiaomi 15 (China 512GB/16GB)
Chipset	64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)	64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm)
CPU	Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core)	Octa-core, 2 processors: 2x 4.32GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-core)
GPU graphical controller	Qualcomm Adreno 660 (840MHz)	Qualcomm Adreno 830 (1100MHz)
Performance (benchmark)	feature not registered	AnTuTu: 2534643 (v10) Geekbench: 9419 (v6)
💽 Memory and storage
	OnePlus 9 (LE2115 128GB)	Xiaomi 15 (China 512GB/16GB)
RAM memory	8GB LPDDR5	16GB LPDDR5X
Internal storage	128GB (101GB available) UFS 3.1	512GB (458GB available) UFS 4.0
External storage	Not supported	Not supported
📶 Mobile networks
	OnePlus 9 (LE2115 128GB)	Xiaomi 15 (China 512GB/16GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card
SIM card	1 slot (Single-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM
Maximum Download / Upload	2000/1024 Mbps	3000/1024 Mbps
Network technology	2G, 3G, 4G, 5G	2G, 3G, 4G, 5G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	CDMA 800/1900, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO UMTS 800/850/900/1700/1800/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) VoLTE
Primary 5G network	SA/NSA (1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78)	SA/NSA/Sub6 (1, 2, 3, 5, 12, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 80, 81, 83, 84, 89)
Primary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) VoLTE
Secondary data network	Not supported	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
📷 Camera
	OnePlus 9 (LE2115 128GB)	Xiaomi 15 (China 512GB/16GB)
Back camera (main camera)	(triple camera) 48 megapixels 50MP ultrawide f/2.214mm1/1.56"1.0µmAF 2MP monochrome f/2.4	(triple camera) 50 megapixels 50MP telephoto f/2.060mm1/2.76"0.64µmPDAFOIS2.6x-optical-zoom 50MP ultrawide f/2.214mm115°1/2.76"0.64µm
Main camera resolution	8000x6000 pixels	8160x6120 pixels
Video recording (primary)	8K UHD (7680x4320) 30 fps	8K UHD (7680x4320) 30 fps
Flash	Dual-LED flash	Dual-LED flash
Focal aperture	f/1.8 (aperture)	f/1.6 (aperture)
Focal length	23mm (lens)	23mm (lens)
Sensor size	1/1.43" inches	1/1.31" inches
Pixel size	1.12µm pixel	1.2µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS: Optical stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Supported
HDR	HDR photo/video on both cameras	HDR photo/video on both cameras
Camera extras	4K@30/60fps 1080p@30/60/240fps Hasselblad Color Calibration Sony IMX689, IMX766. IMX471 sensor	8K@24/30fps (HDR) 4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG) 1080p@30/60/120/240/960fps 720p@1920fps Leica Summilux
📸 Front camera
	OnePlus 9 (LE2115 128GB)	Xiaomi 15 (China 512GB/16GB)
Front camera (secondary)	16 megapixels	32 megapixels
Front camera resolution	4608x3456 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.4 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	21mm (lens)
Sensor size	1/3.06" inches	1/3.14" inches
Pixel size	1µm pixel	0.7µm pixel
🔉 Sound and multimedia
	OnePlus 9 (LE2115 128GB)	Xiaomi 15 (China 512GB/16GB)
Loudspeaker	Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos	Stereo sound 24-bit/192kHz Dolby Atmos Hi-Res
Active noise cancellation	2 microphones or more	4 microphones
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	OnePlus 9 (LE2115 128GB)	Xiaomi 15 (China 512GB/16GB)
USB	USB 3.1 Type-C, USB OTG On-The-Go	USB 3.2 Type-C, USB OTG On-The-Go
Audio output	Type-C reversible connector	Type-C reversible connector
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.2 + A2DP/LE	6.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, SBAS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	OnePlus 9 (LE2115 128GB)	Xiaomi 15 (China 512GB/16GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	OnePlus 9 (LE2115 128GB)	Xiaomi 15 (China 512GB/16GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Si: lithium-silicon (Non removable)
Battery capacity	4500 mAh	5400 mAh
Charger, watts	65W (10V/6.5A) Wired fast charging USB Power Delivery 1.0	90W Wired fast charging Reverse charging by cable Quick Charge 3+ USB Power Delivery 3.0
Inductive / wireless charging	15W Qi Wireless charging (Qi/WPC)	50W Qi Wireless charging (Qi/WPC) 10W Reverse wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	OnePlus 9 (LE2115 128GB)	Xiaomi 15 (China 512GB/16GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Astral Black, Arctic Sky, Winter Mist	• Colors: Black, White, Green, Lilac, Liquid Silver • Xiaomi HyperAI
☢️ Radiation rate
	OnePlus 9 (LE2115 128GB)	Xiaomi 15 (China 512GB/16GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.99W/kg (head), 1W/kg (body)