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Xiaomi Mi 8 (64GB) vs Quantum Sky

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

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Compare Quantum Sky X Xiaomi Mi 8 (64GB) 27Points
6.21"
AMOLED

1080x2248

12
MP

20mp

6GB
RAM

Octa-core

3400
mAh

(Non removable)

vs
5.5"
IPS

1080x1920

13
MP

16mp

4GB
RAM

Octa-core

4010
mAh

(Non removable)

What's the better phone? Xiaomi Mi 8 (64GB)

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 (64GB)} 27 Advantages Xiaomi Mi 8 (64GB) vs Sky} 6 Advantages Quantum Sky
+2.8GHz 64bit Octa-core66%
More powerful processor, you can open your applications faster
vs2GHz 64bit Octa-core (28nm)
+6GB LPDDR4X50%
More RAM memory. Typically more responsive and better for multitasking.
vs4GB LPDDR3
+UFS 2.1Advantage
Fastest write and read storage.
vseMMC 5.1
+175 grams (6.13 ounces)4%
Lighter
vs182 grams (6.37 ounces)
+7.6 millimeters (0.3 inches)9%
Thinner
vs8.3 millimeters (0.33 inches)
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT IPS LCD
+HDR10Advantage
The HDR10 display provides vibrant colors and more details
vsNot supported
+1080x2248 pixels17%
Higher resolution screen
vs1080x1920 pixels
+402 PPI1%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs401 PPI
+6.21"13%
Larger screen
vs5.5"
+(dual camera) 12MP + 12MP88%
Higher resolution main camera
vs(back) 13MP
+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
+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.0 (aperture)
+(front) 20MP25%
Higher resolution secondary camera to take pictures and selfies
vs(front) 16MP
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+(front) Full HD (1920x1080)125%
More image quality for recording videos with the secondary camera
vs(front) HD (1280x720)
+Android 9.0 PieAdvantage
Android 9.0 Pie is newer and safer
vsAndroid 7.0 Nougat
+(4G LTE-A) 1024 Mbps2 times
Faster for surfing the internet and download files
vs(4G LTE) 300 Mbps
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+18W80%
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.
vs10W
+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
vs802.11 b/g/n [wifi4]
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
vs4.0 + A2DP
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0, USB OTG On-The-Go
Not supportedvs+Until 256GB microSD, microSDXCAdvantage
More external storage for files using memory cards
Dual-LED flashvs+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
Not supportedvs+PedometerAdvantage
Sensors help you use the device
3400 mAhvs+4010 mAh18%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
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

21 Common items in both devices
64GB (51GB available) / 64GB (53GB available)
Aluminum frame, glass front/back / Aluminum body, glass front, aluminum back with plastic ends
60Hz
16 million
PDAF: phase detection autofocus / Autofocus
HDR photo on both cameras
4G LTE-A / 4G LTE
+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 Clear highlight

📱 Model features

Xiaomi Mi 8 (64GB)Quantum Sky
 
ModelXiaomi Mi 8 (64GB)Quantum Sky
Other model names小米8, Xiaomi Mi8 6GB RAM, Xiaomi DipperPositivo Quantum Sky 4G 64GB, Quantum Sky QX1
Country or region available(Global, International)ChinaHong Kong
(Global, International), China, Hong Kong
Brazil
Brazil
BrandXiaomiQuantum
Release date6/1/20188/29/2017
Depth7.6 millimeters (0.3 inches)8.3 millimeters (0.33 inches)
Size (width x height)74.8 x 154.9 millimeters (2.94 x 6.1 in)76.5 x 154.5 millimeters (3.01 x 6.08 in)
Weight175 grams (6.13 ounces)182 grams (6.37 ounces)
Build, materialsAluminum frame, glass front/backAluminum body, glass front, aluminum back with plastic ends
Protection against water and othersNot supportedNot supported

📲 Display

Xiaomi Mi 8 (64GB)Quantum Sky
Display typeSuper AMOLEDTFT IPS LCD
Screen size6.21" inches5.5" inches
Screen-to-body ratio~83.8% (screen-to-body ratio)~70.6% (screen-to-body ratio)
Display resolution1080x2248 pixels1080x1920 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)402 PPI401 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 5Gorilla Glass 3
Refresh rate60Hz60Hz
Display features600nits[typ]
HDR10
2.5D glass

🤖 Operating System

Xiaomi Mi 8 (64GB)Quantum Sky
System versionAndroid 8.1 OreoAndroid 7.0 Nougat
Firmware updateAndroid 9.0 Piefeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Xiaomi Mi 8 (64GB)Quantum Sky
Chipset64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)64bit: MediaTek Helio P10 (MT6755) (28nm)
CPUOcta-core, 2 processors:
4x 2.8GHz Kryo 385 Gold (Quad-core)
4x 1.8GHz Kryo 385 Silver (Quad-core)
Octa-core, 2 processors:
4x 2GHz ARM Cortex-A53 (Quad-core)
4x 1.2GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerQualcomm Adreno 630 710MhzARM Mali-T860 MP2 (700MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Xiaomi Mi 8 (64GB)Quantum Sky
RAM memory6GB LPDDR4X4GB LPDDR3
Internal storage64GB (51GB available)
UFS 2.1
64GB (53GB available)
eMMC 5.1
External storageNot supportedUntil 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📶 Mobile networks

Xiaomi Mi 8 (64GB)Quantum Sky
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)
micro-SIM (3FF) and nano-SIM (4FF)
Maximum Download / Upload1024/150 Mbps300/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Tri-Band 850/1800/1900
Primary 2G networkCDMA 800, GSM 850/900/1800/1900GSM 850/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
UMTS 850/1900/2100
Primary 4G networkLTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20)
TD-LTE (34, 38, 39, 40, 41)
VoLTE
LTE Cat6 (1, 2, 3, 4, 5, 7, 28)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G networkGSM 850/900/1800/1900GSM 850/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE

📷 Camera

Xiaomi Mi 8 (64GB)Quantum Sky
Back camera (main camera)(dual camera)
12 megapixels
12MP telephoto f/2.456mm1/3.4"1.0ÂľmAF2x-optical-zoom
13 megapixels
Main camera resolution4000x3000 pixels4128x3096 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashDual-LED flashLED flash on both cameras
Focal aperturef/1.8 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/2.55" inchesfeature not registered
Pixel size1.4Âľm pixelfeature not registered
AutofocusPDAF: phase detection autofocusAutofocus
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 registeredSony IMX258 (back)
Samsung S5K3P3 (front)

📸 Front camera

Xiaomi Mi 8 (64GB)Quantum Sky
Front camera (secondary)20 megapixels16 megapixels
Front camera resolution5184x3840 pixels4608x3456 pixels
Video recording (secondary)Full HD (1920x1080)HD (1280x720)
Front flashNot supportedLED
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/3" inchesfeature not registered
Pixel size1.8Âľm pixelfeature not registered

🔉 Sound and multimedia

Xiaomi Mi 8 (64GB)Quantum Sky
LoudspeakerSupportedMono sound (not stereo)
Active noise cancellation2 microphones or moreNot supported
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, OGG, eAAC+, FLAC

🔌 Connectivity

Xiaomi Mi 8 (64GB)Quantum Sky
USBUSB 2.0 Type-C, USB OTG On-The-GoMicroUSB 2.0, USB OTG On-The-Go
Audio outputType-C jack with 3.5mm jack adapter3.5mm jack
TV outputUSB Type-C (reversible)Not supported
Bluetooth5.0 + A2DP/LE4.0 + A2DP
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSSA-GPS, GeoTagging, GLONASS
NFCSupportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Xiaomi Mi 8 (64GB)Quantum Sky
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Hall effect
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Fingerprint sensor
Gyroscope
Hall effect
Pedometer
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Xiaomi Mi 8 (64GB)Quantum Sky
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity3400 mAh4010 mAh
Charger, watts18W Wired fast charging
Quick Charge 4+
10W Wired charging
Inductive / wireless chargingNot supportedNot supported
Talk time autonomyfeature not registered28 hours (1.2 days)
Standbyfeature not registeredfeature not registered

➕ Other features

Xiaomi Mi 8 (64GB)Quantum Sky
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, Blue, White, Gold
• MIUI 9.5
• Always-On Display
• WiFi display
• Colors: Silver, Gold
• Screen protector included
• Silicon case included

☢️ Radiation rate

Xiaomi Mi 8 (64GB)Quantum Sky
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
X

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