Xiaomi Mi 8 (256GB) vs HMD Skyline (128GB/8GB)

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

2/2/2026 4:53 PM, updated: 2/2/2026 5:25 PM

Compare HMD Skyline X Xiaomi Mi 8 (256GB) 06Points

Specifications Compare Models Pictures

6.21"
AMOLED

1080x2248

12
MP

20mp

6GB
RAM

Octa-core

3400
mAh

(Non removable)

23Points HMD Skyline (128GB/8GB) Compare Xiaomi Mi 8 X

Specifications Compare Models Pictures

6.55"
POLED

1080x2400

108
MP

50mp

8GB
RAM

Octa-core

4600
mAh

(Removable)

What's the better phone? HMD Skyline (128GB/8GB)

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!

6 Advantages Xiaomi Mi 8 (256GB)	vs	23 Advantages HMD Skyline (128GB/8GB)
+256GB (243GB available)141% More internal storage for applications and files	vs	128GB (101GB available)
+175 grams (6.13 ounces)19% Lighter	vs	209 grams (7.32 ounces)
+7.6 millimeters (0.3 inches)17% Thinner	vs	8.9 millimeters (0.35 inches)
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	P-OLED
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+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	+2.4GHz 64bit Octa-core (4nm)4% More powerful processor, you can open your applications faster
6GB LPDDR4X	vs	+8GB LPDDR533% More RAM memory. Typically more responsive and better for multitasking.
UFS 2.1	vs	+UFS 2.2Advantage Fastest write and read storage.
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
60Hz	vs	+144Hz140% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
1080x2248 pixels	vs	+1080x2400 pixels7% Higher resolution screen
6.21"	vs	+6.55"5% Larger screen
(dual camera) 12MP + 12MP	vs	+(triple camera) 108MP + 50MP + 13MP6 times Higher resolution main camera
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
1/2.55" inches	vs	+1/1.67" inches53% The larger sensor camera lets you take photos with better depth.
(front) 20MP	vs	+(front) 50MP151% Higher resolution secondary camera to take pictures and selfies
Android 9.0 Pie	vs	+Android 16Advantage Android 16 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	+4600 mAh35% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
LiPo: li-ion polymer (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
18W	vs	+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.
Not supported	vs	+Qi2 wireless chargingAdvantage Wireless charging is another way to charge the battery.
2 slots (Dual-SIM)	vs	+1 slot (Single-SIM) + e-SIM (Eletronic) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general
802.11 a/b/g/n/ac [wifi5]	vs	+802.11 a/b/g/n/ac/ax [wifi6E/6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6E/6] is newer and faster
5.0 + A2DP/LE	vs	+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster
Not supported	vs	+IP54 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

31 Common items in both devices

Aluminum frame, glass front/back

HDR10

16 million

402 PPI

Digital and optical zoom

PDAF: phase detection autofocus

OIS (4-axis): Optical stabilization / OIS: Optical stabilization

+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
	Xiaomi Mi 8 (256GB)	HMD Skyline (128GB/8GB)
Change model		Choose the model
Model	Xiaomi Mi 8 (256GB)	Skyline (128GB/8GB)
Other model names	小米8, Xiaomi Mi8 6GB RAM, Xiaomi Dipper	HMD Skyline (8GB RAM) TA-1600
Country or region available	(Global, International), China, Hong Kong	(Global, International)
Brand	Xiaomi	HMD
Release date	6/1/2018	7/19/2024, Announced: 7/18/2024
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)	75.66 x 159.84 millimeters (2.98 x 6.29 in)
Weight	175 grams (6.13 ounces)	209 grams (7.32 ounces)
Build, materials	Aluminum frame, glass front/back	Aluminum frame, glass front/back
Protection against water and others	Not supported	IP54 certified: protection against dust and splashing
📲 Display
	Xiaomi Mi 8 (256GB)	HMD Skyline (128GB/8GB)
Display type	Super AMOLED	P-OLED
Screen size	6.21" inches	6.55" inches
Screen-to-body ratio	~83.8% (screen-to-body ratio)	~85.6% (screen-to-body ratio)
Display resolution	1080x2248 pixels	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	402 PPI	402 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Gorilla Glass 3
Refresh rate	60Hz	144Hz
Display features	600nits[typ] HDR10	1000nits[peak] HDR10
🤖 Operating System
	Xiaomi Mi 8 (256GB)	HMD Skyline (128GB/8GB)
System version	Android 8.1 Oreo	Android 14
Firmware update	Android 9.0 Pie	Android 16
User Interface	feature not registered	feature not registered
⚙️ Processor
	Xiaomi Mi 8 (256GB)	HMD Skyline (128GB/8GB)
Chipset	64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)	64bit: Qualcomm Snapdragon 7s Gen 2 (SM7435-AB) (4nm)
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 2.4GHz ARM Cortex-A78 (Quad-core) 4x 1.95GHz ARM Cortex-A55 (Quad-core)
GPU graphical controller	Qualcomm Adreno 630 710Mhz	Qualcomm Adreno 710 (900MHz)
Performance (benchmark)	feature not registered	AnTuTu: 581402 (v10) Geekbench: 2899 (v6)
💽 Memory and storage
	Xiaomi Mi 8 (256GB)	HMD Skyline (128GB/8GB)
RAM memory	6GB LPDDR4X	8GB LPDDR5
Internal storage	256GB (243GB available) UFS 2.1	128GB (101GB available) UFS 2.2
External storage	Not supported	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Xiaomi Mi 8 (256GB)	HMD Skyline (128GB/8GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM
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 Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66, 71) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	SA/NSA (1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 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 Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66, 71) 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 (256GB)	HMD Skyline (128GB/8GB)
Back camera (main camera)	(dual camera) 12 megapixels 12MP telephoto f/2.456mm1/3.4"1.0µmAF2x-optical-zoom	(triple camera) 108 megapixels 50MP telephoto f/2.01/2.76"0.64µmPDAF2x-optical-zoom 13MP ultrawide f/2.51/3"1.12µm
Main camera resolution	4000x3000 pixels	12000x9000 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/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/2.55" inches	1/1.67" inches
Pixel size	1.4µm pixel	0.64µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS (4-axis): Optical stabilization	OIS: Optical stabilization
Zoom	Digital and optical zoom	Digital and optical 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	4K@30fps 1080p@30fps
📸 Front camera
	Xiaomi Mi 8 (256GB)	HMD Skyline (128GB/8GB)
Front camera (secondary)	20 megapixels	50 megapixels
Front camera resolution	5184x3840 pixels	8160x6120 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	feature not registered
Pixel size	1.8µm pixel	feature not registered
🔉 Sound and multimedia
	Xiaomi Mi 8 (256GB)	HMD Skyline (128GB/8GB)
Loudspeaker	Supported	Stereo sound with dual speakers OZO audio
Active noise cancellation	2 microphones or more	2 microphones
Radio	Not supported	FM
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 (256GB)	HMD Skyline (128GB/8GB)
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	Type-C reversible connector
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.2 + 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 [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Xiaomi Mi 8 (256GB)	HMD Skyline (128GB/8GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi Mi 8 (256GB)	HMD Skyline (128GB/8GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Removable) HBA4633AA
Battery capacity	3400 mAh	4600 mAh
Charger, watts	18W Wired fast charging Quick Charge 4+	33W Wired fast charging Reverse charging by cable USB Power Delivery 3.0
Inductive / wireless charging	Not supported	15W Qi2 wireless charging 5W Reverse wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Xiaomi Mi 8 (256GB)	HMD Skyline (128GB/8GB)
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: Twisted Black, Blue Topaz, Neon Pink
☢️ Radiation rate
	Xiaomi Mi 8 (256GB)	HMD Skyline (128GB/8GB)
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