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Xiaomi Mi 8 Pro (128GB/6GB) vs Xiaomi Poco X3 Pro (J20SI 128GB)

Side by side comparison between Xiaomi Mi 8 Pro vs Xiaomi Poco X3 Pro phones, differences, pros, cons and full specifications. What's the better?

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Compare Xiaomi Poco X3 Pro X Xiaomi Mi 8 Pro (128GB/6GB) 11Points
6.21"
AMOLED

1080x2248

12
MP

20mp

6GB
RAM

Octa-core

3000
mAh

(Non removable)

vs
13Points Xiaomi Poco X3 Pro (J20SI 128GB) Compare Xiaomi Mi 8 Pro X
6.67"
IPS

1080x2400

48
MP

20mp

6GB
RAM

Octa-core

5160
mAh

(Non removable)

What's the better phone? Xiaomi Poco X3 Pro (J20SI 128GB)

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!

Mi 8 Pro (128GB/6GB)} 11 Advantages Xiaomi Mi 8 Pro (128GB/6GB) vs Poco X3 Pro (J20SI 128GB)} 13 Advantages Xiaomi Poco X3 Pro (J20SI 128GB)
+177 grams (6.2 ounces)21%
Lighter
vs215 grams (7.53 ounces)
+7.6 millimeters (0.3 inches)24%
Thinner
vs9.4 millimeters (0.37 inches)
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT IPS LCD
+402 PPI2%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs395 PPI
+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsOnly digital zoom
+OIS (4-axis): Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+(4G LTE-A) 1024 Mbps28%
Faster for surfing the internet and download files
vs(4G LTE-A) 800 Mbps
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
2.8GHz 64bit Octa-corevs+2.96GHz 64bit Octa-core (7nm)6%
More powerful processor, you can open your applications faster
UFS 2.1vs+UFS 3.1Advantage
Fastest write and read storage.
Not supportedvs+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
1080x2248 pixelsvs+1080x2400 pixels7%
Higher resolution screen
6.21"vs+6.67"7%
Larger screen
(dual camera) 12MP + 12MPvs+(quad camera) 48MP + 8MP + 2MP + 2MP150%
Higher resolution main camera
1/2.55" inchesvs+1/2" inches28%
The larger sensor camera lets you take photos with better depth.
Android 9.0 Pievs+Android 13Advantage
Android 13 is newer and safer
3000 mAhvs+5160 mAh72%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
18Wvs+33W83%
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.
Type-C jack with 3.5mm jack adaptervs+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
Not supportedvs+IP53 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

32 Common items in both devices
6GB LPDDR4X
128GB (110GB available) / 128GB (106GB available)
16 million
Dual-LED flash
PDAF: phase detection autofocus
HDR photo on both cameras
f/1.8 (aperture)
+25 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 Mi 8 Pro (128GB/6GB)Xiaomi Poco X3 Pro (J20SI 128GB)
ModelXiaomi Mi 8 Pro (128GB/6GB)Poco X3 Pro (J20SI 128GB)
Other model names小米8 Pro, Xiaomi 8 Pro (6GB RAM) M1807E8A, Xiaomi UrsaPOCO X3 Pro M2102J20SI (128GB+6GB RAM)
Country or region available(Global, International)
(Global, International)
India
India
BrandXiaomiXiaomi
Release date9/1/20183/24/2021, Announced: 3/22/2021
Depth7.6 millimeters (0.3 inches)9.4 millimeters (0.37 inches)
Size (width x height)74.8 x 154.9 millimeters (2.94 x 6.1 in)76.8 x 165.3 millimeters (3.02 x 6.51 in)
Weight177 grams (6.2 ounces)215 grams (7.53 ounces)
Build, materialsAluminum frame, glass front/backPlastic body, glass front
Protection against water and othersNot supportedIP53 certified: protection against dust and splashing

📲 Display

Xiaomi Mi 8 Pro (128GB/6GB)Xiaomi Poco X3 Pro (J20SI 128GB)
Display typeSuper AMOLEDTFT IPS LCD
Screen size6.21" inches6.67" inches
Screen-to-body ratio~83.8% (screen-to-body ratio)~84.6% (screen-to-body ratio)
Display resolution1080x2248 pixels1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)402 PPI395 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 5Gorilla Glass 6
Refresh ratefeature not registered120Hz
Display featuresfeature not registered450nits[typ]
HDR10

🤖 Operating System

Xiaomi Mi 8 Pro (128GB/6GB)Xiaomi Poco X3 Pro (J20SI 128GB)
System versionAndroid 8.1 OreoAndroid 11
Firmware updateAndroid 9.0 PieAndroid 13
User Interfacefeature not registeredMIUI 12.5 / 13 / 14

⚙️ Processor

Xiaomi Mi 8 Pro (128GB/6GB)Xiaomi Poco X3 Pro (J20SI 128GB)
Chipset64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)64bit: Qualcomm Snapdragon 860 (SM8150-AC) (7nm)
CPUOcta-core, 2 processors:
4x 2.8GHz Kryo 385 Gold (Quad-core)
4x 1.8GHz Kryo 385 Silver (Quad-core)
Octa-core, 3 processors:
1x 2.96GHz Kryo 485 Gold (Single-core)
3x 2.42GHz Kryo 485 Gold (Triple-core)
4x 1.78GHz Kryo 485 Silver (Quad-core)
GPU graphical controllerQualcomm Adreno 630 710MhzQualcomm Adreno 640 (250-672MHz)
Performance (benchmark)feature not registeredAnTuTu: 483527 (v8)
Geekbench: 2574 (v5.1)
GFXBench: 38fps (ES 3.1 onscreen)

💽 Memory and storage

Xiaomi Mi 8 Pro (128GB/6GB)Xiaomi Poco X3 Pro (J20SI 128GB)
RAM memory6GB LPDDR4X6GB LPDDR4X
Internal storage128GB (110GB available)
UFS 2.1
128GB (106GB available)
UFS 3.1
External storageNot supportedUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📶 Mobile networks

Xiaomi Mi 8 Pro (128GB/6GB)Xiaomi Poco X3 Pro (J20SI 128GB)
Dual-SIMDual-SIM Standby - Call active on one sim cardDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload1024/150 Mbps800/150 Mbps
Network technology2G, 3G, 4G2G, 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 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat16 (Bands 1,2,3,4,5,7,8,12,17,20)
TD-LTE (Bands 34,38,39,40,41)
VoLTE
LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
Secondary data networkGPRS, EDGEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

📷 Camera

Xiaomi Mi 8 Pro (128GB/6GB)Xiaomi Poco X3 Pro (J20SI 128GB)
Back camera (main camera)(dual camera)
12 megapixels
12MP telephoto f/2.41/3.4"1.0µmAF2x-optical-zoom
(quad camera)
48 megapixels
8MP ultrawide f/2.2119°1.0µm
2MP macro f/2.4
2MP depth f/2.4
Main camera resolution4000x3000 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160) 60 fps4K UHD (3840x2160) 30 fps
FlashDual-LED flashDual-LED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/2.55" inches1/2" inches
Pixel size1.4µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS (4-axis): Optical stabilizationEIS: Digital stabilization
ZoomDigital and optical zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
Camera extrasfeature not registered1080p@960fps

📸 Front camera

Xiaomi Mi 8 Pro (128GB/6GB)Xiaomi Poco X3 Pro (J20SI 128GB)
Front camera (secondary)20 megapixels20 megapixels
Front camera resolution5184x3840 pixels5184x3840 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.2 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/3.4" inches
Pixel size0.9µm pixel0.8µm pixel

🔉 Sound and multimedia

Xiaomi Mi 8 Pro (128GB/6GB)Xiaomi Poco X3 Pro (J20SI 128GB)
LoudspeakerSupportedStereo sound with dual speakers
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, DivX, XviD, WMVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Xiaomi Mi 8 Pro (128GB/6GB)Xiaomi Poco X3 Pro (J20SI 128GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio outputType-C jack with 3.5mm jack adapter3.5mm jack
TV outputNot supportedUSB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedNot supported
Infrared portNot supportedSupported

🧭 Sensors

Xiaomi Mi 8 Pro (128GB/6GB)Xiaomi Poco X3 Pro (J20SI 128GB)
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Face unlock 2D
Fingerprint sensor (under display)
Gyroscope
Hall effect
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (side-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Xiaomi Mi 8 Pro (128GB/6GB)Xiaomi Poco X3 Pro (J20SI 128GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity3000 mAh5160 mAh
Charger, watts18W Wired fast charging33W Wired fast charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Xiaomi Mi 8 Pro (128GB/6GB)Xiaomi Poco X3 Pro (J20SI 128GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
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 (transparent back), Meteorite black, Twilight Gold
• MIUI 10
• 600nit / DCI-P3 / HDR10 display
• Always-On Display
• Quick Charge 4.0+
• WiFi display
• Colors: Phantom Black, Frost Blue, Metal Bronze
• Silicone Case included
• Cooling up to 6 °C
• LiquidCool 1.0 Plus

☢️ Radiation rate

Xiaomi Mi 8 Pro (128GB/6GB)Xiaomi Poco X3 Pro (J20SI 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.99W/kg (head), 0.67W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.57W/kg (head), 0.9W/kg (body)
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