Skip to content

Xiaomi 15 (China 512GB/16GB) vs Xiaomi Mi Mix 3 (128GB/6GB)

Side by side comparison between Xiaomi 15 vs Xiaomi Mi Mix 3 phones, differences, pros, cons and full specifications. What's the better?

,
Compare Xiaomi Mi Mix 3 X Xiaomi 15 (China 512GB/16GB) 30Points
6.36"
AMOLED

1200x2670

50
MP

32mp

16GB
RAM

Octa-core

5400
mAh

(Non removable)

vs
03Points Xiaomi Mi Mix 3 (128GB/6GB) Compare Xiaomi 15 X
6.39"
AMOLED

1080x2340

12
MP

24mp

6GB
RAM

Octa-core

3200
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!

15 (China 512GB/16GB)} 30 Advantages Xiaomi 15 (China 512GB/16GB) vs Mi Mix 3 (128GB/6GB)} 3 Advantages Xiaomi Mi Mix 3 (128GB/6GB)
+4.32GHz 64bit Octa-core (3nm)92%
More powerful processor, you can open your applications faster
vs2.8GHz 64bit Octa-core (10nm)
+16GB LPDDR5X167%
More RAM memory. Typically more responsive and better for multitasking.
vs6GB LPDDR4X
+512GB (458GB available)3 times
More internal storage for applications and files
vs128GB (110GB available)
+UFS 4.0Advantage
Fastest write and read storage.
vsUFS 2.1
+192 grams (6.72 ounces)14%
Lighter
vs218 grams (7.63 ounces)
+8.4 millimeters (0.33 inches)1%
Thinner
vs8.5 millimeters (0.33 inches)
+Dolby Vision/HDR10+Advantage
The Dolby Vision/HDR10+ display provides vibrant colors and more details
vsHDR8
+120Hz100%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
vs60Hz
+68 billion4249 times
More colors on the screen is better quality images and videos
vs16 million
+1200x2670 pixels27%
Higher resolution screen
vs1080x2340 pixels
+460 PPI14%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs403 PPI
+(triple camera) 50MP + 50MP + 50MP5 times
Higher resolution main camera
vs(dual camera) 12MP + 12MP
+1/1.31" inches95%
The larger sensor camera lets you take photos with better depth.
vs1/2.55" inches
+f/1.6 (aperture)13%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/1.8 (aperture)
+(front) 32MP23%
Higher resolution secondary camera to take pictures and selfies
vs(dual front camera) 24MP + 2MP
+8K UHD (7680x4320)3 times
More image quality for recording videos with the primary camera
vs4K UHD (3840x2160)
+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+Android 15Advantage
Android 15 is newer and safer
vsAndroid 10
+5G Sub6Advantage
The 5G Sub6 network is newer and faster
vs4G LTE-A
+(5G Sub6) 3000 Mbps4 times
Faster for surfing the internet and download files
vs(4G LTE-A) 600 Mbps
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+Proximity sensorAdvantage
Sensors help you use the device
vsVirtual proximity sensor
+5400 mAh69%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3200 mAh
+90W4 times
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.
vs18W
+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage
You can have more mobile carriers/operators on the same device.
vs2 slots (Dual-SIM)
+Stereo soundAdvantage
Better sound quality for listening to music or clearer hands-free calls
vsMono sound (not stereo)
+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
vs802.11 a/b/g/n/ac [wifi5]
+6.0 + A2DP/LEAdvantage
Bluetooth 6.0 + A2DP/LE is newer and faster
vs5.0 + A2DP/LE
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsUSB 2.0 Type-C, USB OTG On-The-Go
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
Aluminum body, glass frontvs+Aluminum body, glass front, ceramic backAdvantage
More resistant material
6.36"vs+6.39"1%
Larger screen
Dual-LED flashvs+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light

25 Common items in both devices
LTPO AMOLED / Super AMOLED
Digital and optical zoom
PDAF: phase detection autofocus
OIS: Optical stabilization / OIS (4-axis): Optical stabilization
BSI sensor
HDR photo/video on both cameras / HDR photo on both cameras
Capacitive
+18 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 Clear highlight

📱 Model features

Xiaomi 15 (China 512GB/16GB)Xiaomi Mi Mix 3 (128GB/6GB)
ModelXiaomi 15 (China 512GB/16GB)Xiaomi Mi Mix 3 (128GB/6GB)
Other model namesXiaomi 15 24129PN74C小米MIX 3, Xiaomi Mix 3 M1810E5A
Country or region availableChina
China
(Global, International)China
(Global, International), China
BrandXiaomiXiaomi
Release date10/29/202411/1/2018, Announced: 10/1/2018
Depth8.4 millimeters (0.33 inches)8.5 millimeters (0.33 inches)
Size (width x height)71.2 x 152.3 millimeters (2.8 x 6 in)74.69 x 157.89 millimeters (2.94 x 6.22 in)
Weight192 grams (6.72 ounces)218 grams (7.63 ounces)
Build, materialsAluminum body, glass frontAluminum body, glass front, ceramic back
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantNot supported

📲 Display

Xiaomi 15 (China 512GB/16GB)Xiaomi Mi Mix 3 (128GB/6GB)
Display typeLTPO AMOLEDSuper AMOLED
Screen size6.36" inches6.39" inches
Screen-to-body ratio~90% (screen-to-body ratio)~85% (screen-to-body ratio)
Display resolution1200x2670 pixels (20:9)1080x2340 pixels (19.5:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)460 PPI403 PPI
Colors68 billion16 million
Scratch-resistant glassDragon Crystal GlassGorilla Glass 3
Refresh rate120Hz60Hz
Display features3200nits[peak]
Dolby Vision/HDR10+
Touch Sampling Rate: 300Hz
600nits[typ]
HDR8

🤖 Operating System

Xiaomi 15 (China 512GB/16GB)Xiaomi Mi Mix 3 (128GB/6GB)
System versionAndroid 15Android 9.0 Pie
Firmware updatefeature not registeredAndroid 10
User InterfaceHyperOS 2MIUI 10 / 12

⚙️ Processor

Xiaomi 15 (China 512GB/16GB)Xiaomi Mi Mix 3 (128GB/6GB)
Chipset64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm)64bit: Qualcomm Snapdragon 845 (SDM845) (10nm)
CPUOcta-core, 2 processors:
2x 4.32GHz Oryon V2 Phoenix L (Dual-core)
6x 3.53GHz Oryon V2 Phoenix M (Hexa-core)
Octa-core, 2 processors:
4x 2.8GHz Kryo 385 Gold (Quad-core)
4x 1.7GHz Kryo 385 Silver (Quad-core)
GPU graphical controllerQualcomm Adreno 830 (1100MHz)Qualcomm Adreno 630 (710MHz)
Performance (benchmark)AnTuTu: 2534643 (v10)
Geekbench: 9419 (v6)
AnTuTu: 292353 (v7), 352130 (v8)
Geekbench: 9065 (v4.4), 2170 (v5.1)
GFXBench: 30fps (ES 3.1 onscreen)

💽 Memory and storage

Xiaomi 15 (China 512GB/16GB)Xiaomi Mi Mix 3 (128GB/6GB)
RAM memory16GB LPDDR5X6GB LPDDR4X
Internal storage512GB (458GB available)
UFS 4.0
128GB (110GB available)
UFS 2.1
External storageNot supportedNot supported

📶 Mobile networks

Xiaomi 15 (China 512GB/16GB)Xiaomi Mi Mix 3 (128GB/6GB)
Dual-SIMDual-SIM Standby - Call active on one sim cardDual-SIM Standby - Call active on one sim card
SIM card2 slots (Dual-SIM)
nano-SIM (4FF) + e-SIM
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload3000/1024 Mbps600/50 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900CDMA 800/1900, GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100Global version:
UMTS 800/850/900/1700/1800/1900/2100
China version:
CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE 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
LTE Cat11
VoLTE
Global version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66)
TD-LTE (34, 38, 39, 40, 41)
China version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 20)
TD-LTE (34, 38, 39, 40, 41)
Primary 5G networkSA/NSA/Sub6 (1, 2, 3, 5, 12, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 80, 81, 83, 84, 89)Not supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkUMTS 850/900/1700/1900/2100Global version:
UMTS 800/850/900/1700/1800/1900/2100
China version:
UMTS 850/900/1700/1900/2100
Secondary 4G networkLTE 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
LTE Cat11
VoLTE
Global version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66)
TD-LTE (34, 38, 39, 40, 41)
China version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 20)
TD-LTE (34, 38, 39, 40, 41)
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

📷 Camera

Xiaomi 15 (China 512GB/16GB)Xiaomi Mi Mix 3 (128GB/6GB)
Back camera (main camera)(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
(dual camera)
12 megapixels
12MP telephoto 1/3.4"1.0µm
Main camera resolution8160x6120 pixels4000x3000 pixels
Video recording (primary)8K UHD (7680x4320) 30 fps4K UHD (3840x2160) 60 fps
FlashDual-LED flashLED flash on both cameras
Focal aperturef/1.6 (aperture)f/1.8 (aperture)
Focal length23mm (lens)feature not registered
Sensor size1/1.31" inches1/2.55" inches
Pixel size1.2µm pixel1.4µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationOIS (4-axis): Optical stabilization
ZoomDigital and optical zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedSupported
HDRHDR photo/video on both camerasHDR photo on both cameras
Camera extras8K@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
4K@30/60fps
1080p@30/60/960fps

📸 Front camera

Xiaomi 15 (China 512GB/16GB)Xiaomi Mi Mix 3 (128GB/6GB)
Front camera (secondary)32 megapixels(dual front camera)
24 megapixels
2MP depth
Front camera resolution6528x4896 pixels5656x4224 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedLED
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal length21mm (lens)26mm (lens)
Sensor size1/3.14" inches1/2.8" inches
Pixel size0.7µm pixel0.9µm pixel

🔉 Sound and multimedia

Xiaomi 15 (China 512GB/16GB)Xiaomi Mi Mix 3 (128GB/6GB)
LoudspeakerStereo sound
24-bit/192kHz
Dolby Atmos
Hi-Res
Mono sound (not stereo)
Active noise cancellation4 microphones2 microphones or more
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Xiaomi 15 (China 512GB/16GB)Xiaomi Mi Mix 3 (128GB/6GB)
USBUSB 3.2 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio outputType-C reversible connectorType-C jack with 3.5mm jack adapter
TV outputUSB Type-C (reversible)USB Type-C (reversible)
Bluetooth6.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFCSupportedSupported
Infrared portSupportedNot supported

🧭 Sensors

Xiaomi 15 (China 512GB/16GB)Xiaomi Mi Mix 3 (128GB/6GB)
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Face unlock 2D
Fingerprint sensor (under display)
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (rear-mounted)
Gyroscope
Virtual proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Xiaomi 15 (China 512GB/16GB)Xiaomi Mi Mix 3 (128GB/6GB)
Battery typeLi-Si: lithium-silicon (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity5400 mAh3200 mAh
Charger, watts90W Wired fast charging
Reverse charging by cable
Quick Charge 3+
USB Power Delivery 3.0
18W Wired fast charging
Quick Charge 4
Inductive / wireless charging50W Qi Wireless charging (Qi/WPC)
10W Reverse wireless charging
10W Qi wireless charging
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Xiaomi 15 (China 512GB/16GB)Xiaomi Mi Mix 3 (128GB/6GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Black, White, Green, Lilac, Liquid Silver
• Xiaomi HyperAI
• Colors: Onyx Black, Jade Green, Sapphire Blue
• Mechanical pop-up front camera

☢️ Radiation rate

Xiaomi 15 (China 512GB/16GB)Xiaomi Mi Mix 3 (128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered1.45W/kg (head), 1.57W/kg (body)
SAR 2W/kg (Europe, UK, etc.)0.99W/kg (head), 1W/kg (body)feature not registered
X

🍪 We use cookies to provide and improve our services. By using this website, you consent to cookies. Further details: Privacy policy.