Xiaomi Mi 8 (128GB) vs Xiaomi Poco X4 GT (256GB)

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Side by side comparison between Xiaomi Mi 8 vs Xiaomi Poco X4 GT phones, differences, pros, cons and full specifications. What's the better?

6/23/2022 6:46 PM, updated: 9/7/2022 2:07 PM

Compare Xiaomi Poco X4 GT X Xiaomi Mi 8 (128GB) 13Points

Specifications Compare Models Pictures

6.21"
AMOLED

1080x2248

12
MP

20mp

6GB
RAM

Octa-core

3400
mAh

(Non removable)

17Points Xiaomi Poco X4 GT (256GB) Compare Xiaomi Mi 8 X

Specifications Compare Models Pictures

6.6"
IPS

1080x0

64
MP

16mp

8GB
RAM

Octa-core

5080
mAh

(Non removable)

What's the better phone? Xiaomi Poco X4 GT (256GB)

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!

13 Advantages Xiaomi Mi 8 (128GB)	vs	17 Advantages Xiaomi Poco X4 GT (256GB)
+175 grams (6.13 ounces)14% Lighter	vs	200 grams (7 ounces)
+7.6 millimeters (0.3 inches)17% Thinner	vs	8.9 millimeters (0.35 inches)
+Aluminum frame, glass front/backAdvantage More resistant material	vs	Plastic body, glass front
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+1080x2248 pixelsAdvantage Higher resolution screen	vs	Not supported
+402 PPIAdvantage Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	Not supported
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+f/1.8 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/1.9 (aperture)
+(front) 20MP25% Higher resolution secondary camera to take pictures and selfies	vs	(front) 16MP
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
2.8GHz 64bit Octa-core	vs	+2.85GHz 64bit Octa-core (5nm)10% More powerful processor, you can open your applications faster
6GB LPDDR4X	vs	+8GB LPDDR533% More RAM memory. Typically more responsive and better for multitasking.
128GB (110GB available)	vs	+256GB (218GB available)98% More internal storage for applications and files
UFS 2.1	vs	+UFS 3.1Advantage Fastest write and read storage.
HDR10	vs	+Dolby Vision/HDR10Advantage The Dolby Vision/HDR10 display provides vibrant colors and more details
60Hz	vs	+144Hz140% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
6.21"	vs	+6.6"6% Larger screen
(dual camera) 12MP + 12MP	vs	+(triple camera) 64MP + 8MP + 2MP2 times Higher resolution main camera
1/2.55" inches	vs	+1/1.72" inches48% The larger sensor camera lets you take photos with better depth.
Android 9.0 Pie	vs	+Android 12Advantage Android 12 is newer and safer
4G LTE-A	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE-A) 1024 Mbps	vs	+(5G SA/NSA) 2000 Mbps95% Faster for surfing the internet and download files
3400 mAh	vs	+5080 mAh49% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
18W	vs	+67W3 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.
Type-C jack with 3.5mm jack adapter	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores
802.11 a/b/g/n/ac [wifi5]	vs	+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
5.0 + A2DP/LE	vs	+5.3 + A2DP/LEAdvantage Bluetooth 5.3 + A2DP/LE is newer and faster

21 Common items in both devices

16 million

PDAF: phase detection autofocus

HDR photo on both cameras

4K UHD (3840x2160)

(front) Full HD (1920x1080)

Capacitive

Multitouch

+14 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
	Xiaomi Mi 8 (128GB)	Xiaomi Poco X4 GT (256GB)
Change model		Choose the model
Model	Xiaomi Mi 8 (128GB)	Poco X4 GT (256GB)
Other model names	小米8, Xiaomi Mi8 6GB RAM, Xiaomi Dipper	POCO X4 GT 5G (8GB RAM)
Country or region available	(Global, International), China, Hong Kong, Taiwan	(Global, International)
Brand	Xiaomi	Xiaomi
Release date	6/1/2018	6/27/2022, Announced: 6/23/2022
Depth	7.6 millimeters (0.3 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	74.8 x 154.9 millimeters (2.94 x 6.1 in)	74.29 x 163.64 millimeters (2.92 x 6.44 in)
Weight	175 grams (6.13 ounces)	200 grams (7 ounces)
Build, materials	Aluminum frame, glass front/back	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Xiaomi Mi 8 (128GB)	Xiaomi Poco X4 GT (256GB)
Display type	Super AMOLED	TFT IPS LCD
Screen size	6.21" inches	6.6" inches
Screen-to-body ratio	~83.8% (screen-to-body ratio)	feature not registered
Display resolution	1080x2248 pixels	Not supported (20.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	402 PPI	feature not registered
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Gorilla Glass 5
Refresh rate	60Hz	144Hz
Display features	600nits[typ] HDR10	500nits[typ] Dolby Vision/HDR10 DCI-P3
🤖 Operating System
	Xiaomi Mi 8 (128GB)	Xiaomi Poco X4 GT (256GB)
System version	Android 8.1 Oreo	Android 12
Firmware update	Android 9.0 Pie	feature not registered
User Interface	feature not registered	MIUI 13
⚙️ Processor
	Xiaomi Mi 8 (128GB)	Xiaomi Poco X4 GT (256GB)
Chipset	64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)	64bit: MediaTek Dimensity 8100 (5nm)
CPU	Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.8GHz Kryo 385 Silver (Quad-core)	Octa-core, 2 processors: 4x 2.85GHz ARM Cortex-A78 (Quad-core) 4x 2GHz ARM Cortex-A55 (Quad-core)
GPU graphical controller	Qualcomm Adreno 630 710Mhz	ARM Mali-G610 MC6
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Xiaomi Mi 8 (128GB)	Xiaomi Poco X4 GT (256GB)
RAM memory	6GB LPDDR4X	8GB LPDDR5
Internal storage	128GB (110GB available) UFS 2.1	256GB (218GB available) UFS 3.1
External storage	Not supported	Not supported
📶 Mobile networks
	Xiaomi Mi 8 (128GB)	Xiaomi Poco X4 GT (256GB)
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	1024/150 Mbps	2000/1024 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	CDMA 800, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20) TD-LTE (34, 38, 39, 40, 41) VoLTE	LTE Cat13 (1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	Global version: SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78) India version: SA/NSA (1, 3, 5, 8, 28, 38, 40, 41, 77, 78)
Primary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat13 (1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41) TD-LTE (38, 40, 41) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	Xiaomi Mi 8 (128GB)	Xiaomi Poco X4 GT (256GB)
Back camera (main camera)	(dual camera) 12 megapixels 12MP telephoto f/2.456mm1/3.4"1.0µmAF2x-optical-zoom	(triple camera) 64 megapixels 8MP ultrawide f/2.2120°1/4"1.12µm 2MP macro f/2.41.75µm
Main camera resolution	4000x3000 pixels	10120x6328 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.9 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/2.55" inches	1/1.72" inches
Pixel size	1.4µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS (4-axis): Optical stabilization	EIS: Digital stabilization
Zoom	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	1080p@60fps
📸 Front camera
	Xiaomi Mi 8 (128GB)	Xiaomi Poco X4 GT (256GB)
Front camera (secondary)	20 megapixels	16 megapixels
Front camera resolution	5184x3840 pixels	4608x3456 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.5 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/3" inches	1/3.06" inches
Pixel size	1.8µm pixel	1µm pixel
🔉 Sound and multimedia
	Xiaomi Mi 8 (128GB)	Xiaomi Poco X4 GT (256GB)
Loudspeaker	Supported	Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos
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, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Xiaomi Mi 8 (128GB)	Xiaomi Poco X4 GT (256GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	Type-C jack with 3.5mm jack adapter	3.5mm jack
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.3 + 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 [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	Xiaomi Mi 8 (128GB)	Xiaomi Poco X4 GT (256GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi Mi 8 (128GB)	Xiaomi Poco X4 GT (256GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3400 mAh	5080 mAh
Charger, watts	18W Wired fast charging Quick Charge 4+	67W Wired fast charging Reverse charging by cable USB Power Delivery 3.0
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Xiaomi Mi 8 (128GB)	Xiaomi Poco X4 GT (256GB)
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: Black, Blue, White, Gold • MIUI 9.5 • Always-On Display • WiFi display	• Colors: Black, Blue, Silver • LiquidCool Technology 2.0
☢️ Radiation rate
	Xiaomi Mi 8 (128GB)	Xiaomi Poco X4 GT (256GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered