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Xiaomi Mi 8 256GB vs Xiaomi Mi 8 128GB

Comparison: side by side, pros and cons and the differences between Xiaomi Mi 8 256GB vs Xiaomi Mi 8 128GB phones. Which is the best phone?

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Compare Xiaomi Mi 8 XCompare Xiaomi Mi 8 X

01 Xiaomi Mi 8 256GB vs 00 Xiaomi Mi 8 128GB

Xiaomi Mi 8 256GB
SpecificationsCompareModels
6.21"
AMOLED

1080x2248

12
MP

20mp

6GB
RAM

64bit Octa

3400
mAh

(Non removable)

Xiaomi Mi 8 128GB
SpecificationsCompareModels
6.21"
AMOLED

1080x2248

12
MP

20mp

6GB
RAM

64bit Octa

3400
mAh

(Non removable)

What's the best phone? The PhoneMore's choice is Xiaomi Mi 8 256GB

The phonemore's choice is much more technical than personal, so don't just evaluate it. Our goal is to help, but what's important to us may not be important to you. You decide which is the best phone! Comment!


01 Advantages Xiaomi Mi 8 256GB

Mi 8 256GBvsMi 8 128GB
 121%100%
+More internal storage for applications and files
256GB (243GB user available)vs128GB (110GB user available)

00 Advantages Xiaomi Mi 8 128GB

Mi 8 128GBvsMi 8 256GB

49 Common items in both devices

+More powerful processor, you can open your applications faster2.8Ghz 64bit Octa-Core
+More RAM memory. Typically more responsive and better for multitasking6GB LPDDR4X
+Lighter175 grams (6.13 ounces)
+Thinner7.6 millimeters (0.3 inches)
+More resistant materialAluminum frame, front/back glass
+This device has a Super AMOLED screen, which are brighter and more vividSuper AMOLED
+More colors on the screen is better quality images and videos16 million
+Higher resolution screen1080x2248 pixels
+Crisper display of text, images and video because it has more pixels per inch (ppi)402 PPI
+Larger screen6.21"
+Higher resolution main camera(dual camera) 12 megapixels + 12MP
+The Dual LED flash helps in dark places or in low lightDual LED flash
+The zoom allows for better focus and approach to take picturesDigital and optical zoom
+You with less worry when taking pictures with auto focusPDAF: phase detection autofocus
+Image stabilization prevents blurry photos and helps in recording motion videoOIS (4-axis): Optical stabilization
+The HDR technology produced photos with more detail in dark areasHDR photo on both cameras
+The larger sensor camera lets you take photos with better depth1/2.55" inches
+Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposuref/1.8 (aperture)
+Higher resolution secondary camera to take pictures and selfies(front) 20 megapixels
+More image quality for recording videos with the primary camera4K UHD (3840x2160 pixels)
+More image quality for recording videos with the secondary cameraFull HD (1920x1080 pixels)
+The 4G+ LTE-A network is newer and faster4G+ LTE-A
+Faster for surfing the internet and download files1024 Mbps
+Better touchscreen. The capacitive screen is much more sensitiveCapacitive
+Better touch type. Multitouch allows to use more fingers at the same timeMultitouch
+Best output for headsetType-C jack with 3.5mm jack adapter
+Sensors help you use the deviceAccelerometer
+Sensors help you use the deviceProximity
+Sensors help you use the deviceCompass
+Sensors help you use the deviceAmbient Light
+Sensors help you use the deviceGyroscope
+Sensors help you use the deviceBarometer
+Sensors help you use the deviceFingerprint (rear-mounted)
+Sensors help you use the deviceFace recognition (unlock)
+Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use3400 mAh
+Removable battery can be replaced easilyLiPo - Li-Ion polymer (Non removable)
+Speakerphone is useful when you are driving and on other occasionsSpeakerphone
+The video calling allows to make calls with voice and videoVideo calling
+The vibration of the device aids in the use of several featuresVibrating alert
+With more SIM card slots you can have more operators and choose which one to use2 slots Dual-SIM
+Noise-canceling microphone allows better call qualityActive noise cancellation
+It's harder to lose yourself in the city with GPS on your deviceA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
+WiFi 802.11 a/b/g/n/ac + MIMO (2.4Ghz/5Ghz) is newer and faster802.11 a/b/g/n/ac + MIMO (2.4Ghz/5Ghz)
+With DLNA technology you can access and play media files on TV, tablet or DLNA compatible deviceDLNA
+Bluetooth 5.0 version A2DP/LE is newer and faster5.0 version A2DP/LE
+NFC allows you to make payments by approach quickly and securelyNFC
+More speed data transfer as mp3 and photos via USBUSB 2.0 Type-C, USB OTG On-The-Go
+Better sites viewing on the internetHTML, XHTML, HTML5
+Protection against scratches on the screen lets you carry your phone with your keysGorilla Glass 5
+ 41 COMMON ITEMS

Check the comparison table below for more items that are not evaluated in comparison score above.

Model and physical featuresXiaomi Mi 8 256GBXiaomi Mi 8 128GB
BrandXiaomiXiaomi
ModelMi 8 256GBMi 8 128GB
Also known as小米8, Xiaomi Mi8 6GB RAM, Xiaomi Dipper小米8, Xiaomi Mi8 6GB RAM, Xiaomi Dipper
Country or region where it's soldChinaHong KongVarious (International)ChinaHong KongTaiwanVarious (International)
Release dateJune, 2018June, 2018
Depth7.6 millimeters (0.3 inches)7.6 millimeters (0.3 inches)
Size (width x height)74.8 x 154.9 millimeters (2.94 x 6.1 in)74.8 x 154.9 millimeters (2.94 x 6.1 in)
Weight175 grams (6.13 ounces)175 grams (6.13 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum frame, front/back glassAluminum frame, front/back glass
Protection against water and othersNot supportedNot supported
Operating system (OS)Xiaomi Mi 8 256GBXiaomi Mi 8 128GB
Operating systemAndroid 8.1 OreoAndroid 8.1 Oreo
Firmware updatefeature not registeredfeature not registered
HardwareXiaomi Mi 8 256GBXiaomi Mi 8 128GB
Architecture - Chipset64bit - Qualcomm Snapdragon 845 MSM8998 (10nm)64bit - Qualcomm Snapdragon 845 MSM8998 (10nm)
CPU processorOcta-Core, 2 processors:
2.8Ghz Quad-Core Kryo 385 Gold
1.8Ghz Quad-Core Kryo 385 Silver
Octa-Core, 2 processors:
2.8Ghz Quad-Core Kryo 385 Gold
1.8Ghz Quad-Core Kryo 385 Silver
GPU graphical controllerQualcomm Adreno 630 710MhzQualcomm Adreno 630 710Mhz
RAM memory6GB LPDDR4X6GB LPDDR4X
Internal storage256GB (243GB user available)
UFS 2.1
128GB (110GB user available)
UFS 2.1
External storageNot supportedNot supported
DisplayXiaomi Mi 8 256GBXiaomi Mi 8 128GB
Display typeSuper AMOLEDSuper AMOLED
Screen size6.21" inches6.21" inches
Screen-to-body ratio~83.8% (screen-to-body ratio)~83.8% (screen-to-body ratio)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Display resolution1080x2248 pixels1080x2248 pixels
Pixel density (dot pitch)402 PPI402 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 5Gorilla Glass 5
Mobile networks and dataXiaomi Mi 8 256GBXiaomi Mi 8 128GB
Dual-SIMDual SIM Standby - Call active on one sim card
(dedicated slot)
Dual SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots Dual-SIM
nano-SIM (4FF)
2 slots Dual-SIM
nano-SIM (4FF)
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800, GSM 850/900/1800/1900CDMA 800, GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 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 Cat16 (Bands 1,2,3,4,5,7,8,12,17,20)
TD-LTE (Bands 34,38,39,40,41)
VoLTE
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, 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 networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE
Maximum download/upload1024/150 Mbps1024/150 Mbps
Messaging and callingXiaomi Mi 8 256GBXiaomi Mi 8 128GB
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
Primary camera / Back cameraXiaomi Mi 8 256GBXiaomi Mi 8 128GB
Main camera(dual camera)
12 megapixels
12MP telephoto (f/2.4 1/3.4" 1.0µm AF 2x-zoom)
(dual camera)
12 megapixels
12MP telephoto (f/2.4 1/3.4" 1.0µm AF 2x-zoom)
Main camera resolution4000x3000 pixels4000x3000 pixels
Video recording (primary)4K UHD (3840x2160 pixels) 30 fps4K UHD (3840x2160 pixels) 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" inches1/2.55" inches
Pixel size1.4µm pixel1.4µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS (4-axis): Optical stabilizationOIS (4-axis): Optical stabilization
ZoomDigital and optical zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
Front camera / Secondary cameraXiaomi Mi 8 256GBXiaomi Mi 8 128GB
Front camera20 megapixels20 megapixels
Front camera resolution5184x3840 pixels5184x3840 pixels
Video recording (secondary)Full HD (1920x1080 pixels)Full HD (1920x1080 pixels)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel size1.8µm pixel1.8µm pixel
MultimediaXiaomi Mi 8 256GBXiaomi Mi 8 128GB
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, DivX, XviD, WMVMP4, H.265, H.264, H.263, DivX, XviD, WMV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
Connectivity and interfacesXiaomi Mi 8 256GBXiaomi Mi 8 128GB
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio outputType-C jack with 3.5mm jack adapterType-C jack with 3.5mm jack adapter
Bluetooth5.0 version A2DP/LE5.0 version A2DP/LE
WiFi802.11 a/b/g/n/ac + MIMO (2.4Ghz/5Ghz)802.11 a/b/g/n/ac + MIMO (2.4Ghz/5Ghz)
DLNASupportedSupported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
Infrared portNot supportedNot supported
Other functionsXiaomi Mi 8 256GBXiaomi Mi 8 128GB
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
Java / Flash playerNot supportedNot supported
SensorsAccelerometer
Proximity
Compass
Ambient Light
Gyroscope
Barometer
Hall effect
Face recognition (unlock)
Fingerprint (rear-mounted)
Accelerometer
Proximity
Compass
Ambient Light
Gyroscope
Barometer
Hall effect
Face recognition (unlock)
Fingerprint (rear-mounted)
Other features- Colors: Black, Blue, White, Gold
- MIUI 9.5
- 600nit / DCI-P3 / HDR10 display
- Always-On Display
- Quick Charge 4.0+
- WiFi display
- WiFi direct, hotspot
- Colors: Black, Blue, White, Gold
- MIUI 9.5
- 600nit / DCI-P3 / HDR10 display
- Always-On Display
- Quick Charge 4.0+
- WiFi display
- WiFi direct, hotspot
Power supply and autonomyXiaomi Mi 8 256GBXiaomi Mi 8 128GB
Battery technologyLiPo - Li-Ion polymer (Non removable)
Fast battery charging
LiPo - Li-Ion polymer (Non removable)
Fast battery charging
Battery capacity3400 mAh3400 mAh
Battery model / charger (watts)18W18W
Talk timefeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered
Specific absorption rate (radiation)Xiaomi Mi 8 256GBXiaomi Mi 8 128GB
SAR USA, Mexico, Colombiafeature not registeredfeature not registered
SAR European Union, UKfeature not registeredfeature not registered

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