OnePlus 3 (64GB A3003) vs Xiaomi 14 Ultra (China 512GB)

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Side by side comparison between OnePlus 3 vs Xiaomi 14 Ultra phones, differences, pros, cons and full specifications. What's the better?

3/24/2024 6:07 PM, updated: 3/24/2024 7:44 PM

Compare Xiaomi 14 Ultra X OnePlus 3 (64GB A3003) 04Points

Specifications Compare Models Pictures

5.5"
AMOLED

1080x1920

16
MP

8mp

6GB
RAM

Quad-core

3000
mAh

(Non removable)

25Points Xiaomi 14 Ultra (China 512GB) Compare OnePlus 3 X

Specifications Compare Models Pictures

6.73"
AMOLED

1440x3200

50
MP

32mp

16GB
RAM

Octa-core

5300
mAh

(Non removable)

What's the better phone? Xiaomi 14 Ultra (China 512GB)

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!

4 Advantages OnePlus 3 (64GB A3003)	vs	25 Advantages Xiaomi 14 Ultra (China 512GB)
+158 grams (5.53 ounces)42% Lighter	vs	224 grams (7.84 ounces)
+7.35 millimeters (0.29 inches)25% Thinner	vs	9.2 millimeters (0.36 inches)
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
2.15GHz 64bit Quad-core	vs	+3.3GHz 64bit Octa-core (4nm)59% More powerful processor, you can open your applications faster
6GB LPDDR4	vs	+16GB LPDDR5X167% More RAM memory. Typically more responsive and better for multitasking.
64GB (50GB available)	vs	+512GB (458GB available)8 times More internal storage for applications and files
16 million	vs	+1 billion62 times More colors on the screen is better quality images and videos
1080x1920 pixels	vs	+1440x3200 pixels122% Higher resolution screen
401 PPI	vs	+521 PPI30% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.5"	vs	+6.73"22% Larger screen
(back) 16MP	vs	+(5 cameras) 50MP + 50MP + 50MP + 50MP + 0.3MP12 times Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
1/2.8" inches	vs	+1/1" inches180% The larger sensor camera lets you take photos with better depth.
f/2.0 (aperture)	vs	+f/1.6 (aperture)25% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 8MP	vs	+(front) 32MP3 times Higher resolution secondary camera to take pictures and selfies
4K UHD (3840x2160)	vs	+8K UHD (7680x4320)3 times More image quality for recording videos with the primary camera
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
Android 6.0.1 Marshmallow	vs	+Android 14Advantage Android 14 is newer and safer
4G LTE-A	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE-A) 300 Mbps	vs	+(5G SA/NSA) 3000 Mbps9 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
3000 mAh	vs	+5300 mAh77% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
802.11 a/b/g/n/ac [wifi5]	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
4.2 + A2DP	vs	+5.4 + A2DP/LEAdvantage Bluetooth 5.4 + A2DP/LE is newer and faster
USB 2.0 Type-C reversible connector	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

18 Common items in both devices

Optic AMOLED / LTPO AMOLED

PDAF: phase detection autofocus / LDAF/PDAF: laser/phase detection autofocus

OIS: Optical stabilization

HDR photo/video on both cameras

Capacitive

Multitouch

Accelerometer

+11 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 3 (64GB A3003)	Xiaomi 14 Ultra (China 512GB)
Change model		Choose the model
Model	OnePlus 3 (64GB A3003)	Xiaomi 14 Ultra (China 512GB)
Other model names	OnePlus Three, One Plus 3, OnePlus Rain, Asia/Europe model	Xiaomi 14 Ultra
Country or region available	(Global, International), (Europe)	China
Brand	OnePlus	Xiaomi
Release date	6/14/2016	2/22/2024
Depth	7.35 millimeters (0.29 inches)	9.2 millimeters (0.36 inches)
Size (width x height)	74.7 x 152.7 millimeters (2.94 x 6.01 in)	75.3 x 161.4 millimeters (2.96 x 6.35 in)
Weight	158 grams (5.53 ounces)	224 grams (7.84 ounces)
Build, materials	feature not registered	Aluminum frame, glass front, leather back
Protection against water and others	Not supported	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	OnePlus 3 (64GB A3003)	Xiaomi 14 Ultra (China 512GB)
Display type	Optic AMOLED	LTPO AMOLED
Screen size	5.5" inches	6.73" inches
Screen-to-body ratio	~73.1% (screen-to-body ratio)	~90% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1440x3200 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	401 PPI	521 PPI
Colors	16 million	1 billion
Scratch-resistant glass	Gorilla Glass 4	Dragon Crystal Glass
Refresh rate	feature not registered	120Hz
Display features	feature not registered	1000nits[typ], 3000nits[peak] Dolby Vision/HDR10+ 100% DCI-P3 12-bit Touch Sampling Rate: 240Hz
🤖 Operating System
	OnePlus 3 (64GB A3003)	Xiaomi 14 Ultra (China 512GB)
System version	Android 6.0.1 Marshmallow	Android 14
Firmware update	feature not registered	feature not registered
User Interface	feature not registered	HyperOS
⚙️ Processor
	OnePlus 3 (64GB A3003)	Xiaomi 14 Ultra (China 512GB)
Chipset	64bit: Qualcomm Snapdragon 820 MSM8996 (14nm)	64bit: Qualcomm Snapdragon 8 Gen 3 (SM8650-AB) (4nm)
CPU	Quad-core, 2 processors: 2x 2.15GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core)	Octa-core, 4 processors: 1x 3.3GHz ARM Cortex-X4 (Single-core) 3x 3.15GHz ARM Cortex-A720 (Triple-core) 2x 2.96GHz ARM Cortex-A720 (Dual-core) 2x 2.26GHz ARM Cortex-A520 (Dual-core)
GPU graphical controller	Qualcomm Adreno 530	Qualcomm Adreno 750
Performance (benchmark)	feature not registered	AnTuTu: 2004190 (v10)
💽 Memory and storage
	OnePlus 3 (64GB A3003)	Xiaomi 14 Ultra (China 512GB)
RAM memory	6GB LPDDR4	16GB LPDDR5X
Internal storage	64GB (50GB available)	512GB (458GB available) UFS 4.0
External storage	Not supported	Not supported
📶 Mobile networks
	OnePlus 3 (64GB A3003)	Xiaomi 14 Ultra (China 512GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	3000/1024 Mbps
Network technology	2G, 3G, 4G	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	GSM 850/900/1800/1900	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1900/2100	CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100
Primary 4G network	LTE Cat6 800/850/900/1800/2100/2600 (Bands 1,3,5,7,8,20) TD-LTE 2300/2600 (Bands 38,40)	LTE Cat20 (1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66) TD-LTE (38, 40, 41, 42, 48) VoLTE
Primary 5G network	Not supported	SA/NSA (1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78, 79)
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G network	GSM 850/900/1800/1900	CDMA 800, GSM 850/900/1800/1900
Secondary 3G network	Not supported	CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat20 (1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66) TD-LTE (38, 40, 41, 42, 48) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	OnePlus 3 (64GB A3003)	Xiaomi 14 Ultra (China 512GB)
Back camera (main camera)	16 megapixels	(5 cameras) 50 megapixels 50MP telephoto f/1.875mm1/2.51"0.7µmPDAFOIS3.2x-optical-zoom 50MP periscope telephoto f/2.5120mm1/2.51"0.7µmPDAFOIS5x-optical-zoom 50MP ultrawide f/1.812mm122°1/2.51"0.7µm 0.3MP depth TOF3D
Main camera resolution	4608x3456 pixels	8160x6120 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	8K UHD (7680x4320) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/2.0 (aperture)	f/1.6 (aperture)
Focal length	feature not registered	23mm lens
Sensor size	1/2.8" inches	1/1" inches
Pixel size	1.12µm pixel	1.6µm pixel
Autofocus	PDAF: phase detection autofocus	LDAF/PDAF: laser/phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical 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	Not supported	Supported
HDR	HDR photo/video on both cameras	HDR photo/video on both cameras
Camera extras	feature not registered	8K@24/30fps 4K@24/30/60/120fps 1080p@30/60/120fps 1080p@240/480/960/1920fps Slow motion Leica Summilux HDR10+, 10-bit Dolby Vision, 10-bit LOG
📸 Front camera
	OnePlus 3 (64GB A3003)	Xiaomi 14 Ultra (China 512GB)
Front camera (secondary)	8 megapixels	32 megapixels
Front camera resolution	3264x2448 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	22mm lens
Sensor size	1/3.2" inches	1/3.14" inches
Pixel size	1.4µm pixel	0.7µm pixel
🔉 Sound and multimedia
	OnePlus 3 (64GB A3003)	Xiaomi 14 Ultra (China 512GB)
Loudspeaker	Supported	Stereo sound 24-bit/192kHz Dolby Atmos Hi-Res
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, DivX, XviD, WMV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	OnePlus 3 (64GB A3003)	Xiaomi 14 Ultra (China 512GB)
USB	USB 2.0 Type-C reversible connector	USB 3.2 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
TV output	Not supported	USB Type-C (reversible)
Bluetooth	4.2 + A2DP	5.4 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (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, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC
NFC	Supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	OnePlus 3 (64GB A3003)	Xiaomi 14 Ultra (China 512GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gesture Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	OnePlus 3 (64GB A3003)	Xiaomi 14 Ultra (China 512GB)
Battery type	LiPo: li-ion polymer (Non removable) 5V 4A	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	5300 mAh
Charger, watts	Wired charging	90W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0
Inductive / wireless charging	feature not registered	80W 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 3 (64GB A3003)	Xiaomi 14 Ultra (China 512GB)
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: Graphite, Soft gold • USB OTG On-The-Go • Aluminum body • Oxygen OS 3.2.4 • LED notification (RGB) • Rear camera: Sony IMX298 sensor • Front camera: Sony IMX179 sensor • Slow motion 720p@120fps • Dash Charge • Fast battery charging: 60% in 30min • Dirac Power Sound • Miracast • WiFi dual-band	• Colors: Black, White, Blue
☢️ Radiation rate
	OnePlus 3 (64GB A3003)	Xiaomi 14 Ultra (China 512GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.995W/kg (head), 0.645W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered