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Positivo Twist 2 (S512) vs Xiaomi Redmi K20 (256GB)

Side by side comparison between Positivo Twist 2 (S512) vs Xiaomi Redmi K20 phones, differences, pros, cons and full specifications. What's the better?

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Compare Xiaomi Redmi K20 X Positivo Twist 2 (S512) 04Points
5.34"
TFT

480x960

8
MP

5mp

1GB
RAM

Quad-core

2500
mAh

(Removable)

vs
31Points Xiaomi Redmi K20 (256GB) Compare Positivo Twist 2 (S512) X
6.39"
AMOLED

1080x2340

48
MP

20mp

8GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Xiaomi Redmi K20 (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!

Twist 2 (S512)} 4 Advantages Positivo Twist 2 (S512) vs Redmi K20 (256GB)} 31 Advantages Xiaomi Redmi K20 (256GB)
+Until 32GB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+160 grams (5.6 ounces)19%
Lighter
vs191 grams (6.69 ounces)
+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
vsDual-LED flash
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: li-ion polymer (Non removable)
1.3GHz 32bit Quad-core (28nm)vs+2.2GHz 64bit Octa-core (8nm)167%
More powerful processor, you can open your applications faster
1GB LPDDRvs+8GB LPDDR4X7 times
More RAM memory. Typically more responsive and better for multitasking.
16GB (10GB available)vs+256GB (234GB available)22 times
More internal storage for applications and files
9.5 millimeters (0.37 inches)vs+8.8 millimeters (0.35 inches)8%
Thinner
Plastic body, glass frontvs+Aluminum frame, glass front/backAdvantage
More resistant material
TFT LCDvs+AMOLEDAdvantage
AMOLED display is brighter and more vivid
Not supportedvs+HDR10Advantage
The HDR10 display provides vibrant colors and more details
480x960 pixelsvs+1080x2340 pixels4 times
Higher resolution screen
201 PPIvs+403 PPI100%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.34"vs+6.39"20%
Larger screen
(back) 8MPvs+(triple camera) 48MP + 8MP + 13MP8 times
Higher resolution main camera
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
HDR photo only main cameravs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
f/2.2 (aperture)vs+f/1.8 (aperture)22%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MPvs+(front) 20MP3 times
Higher resolution secondary camera to take pictures and selfies
HD (1280x720)vs+4K UHD (3840x2160)8 times
More image quality for recording videos with the primary camera
(front) HD (1280x720)vs+(front) Full HD (1920x1080)125%
More image quality for recording videos with the secondary camera
Android 8.1 Oreovs+Android 10Advantage
Android 10 is newer and safer
3G+ HSPA+vs+4G LTE-AAdvantage
The 4G LTE-A network is newer and faster
(3G+ HSPA+) 14.4 Mbpsvs+(4G LTE-A) 800 Mbps55 times
Faster for surfing the internet and download files
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+Face unlock 2DAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (under display)Advantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
2500 mAhvs+4000 mAh60%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+Active noise cancellationAdvantage
More noise-canceling microphones allow for better quality in calls and audio for recorded videos
802.11 b/g/n [wifi4]vs+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
2.1 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supportedvs+Gorilla Glass 5Advantage
Protection against scratches on the screen lets you carry your phone with your keys

18 Common items in both devices
60Hz
16 million
Autofocus / PDAF: phase detection autofocus
EIS: Digital stabilization
Capacitive
Multitouch
Accelerometer
+11 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

Positivo Twist 2 (S512)Redmi K20 (256GB)
Change model 
ModelTwist 2 (S512)Redmi K20 (256GB)
Other model namesPositivo Twist 2 S512 (Android Go), Positivo S512Xiaomi Redmi K20 M1903F10A, M1903F10C, M1903F10T
Country or region availableBrazil
Brazil
China
China
BrandPositivoXiaomi
Release date4/1/20196/1/2019
Depth9.5 millimeters (0.37 inches)8.8 millimeters (0.35 inches)
Size (width x height)72 x 143 millimeters (2.83 x 5.63 in)74.3 x 156.7 millimeters (2.93 x 6.17 in)
Weight160 grams (5.6 ounces)191 grams (6.69 ounces)
Build, materialsPlastic body, glass frontAluminum frame, glass front/back
Protection against water and othersNot supportedNot supported

📲 Display

Positivo Twist 2 (S512)Redmi K20 (256GB)
Display typeTFT LCDAMOLED
Screen size5.34" inches6.39" inches
Screen-to-body ratio~71.5% (screen-to-body ratio)~86.1% (screen-to-body ratio)
Display resolution480x960 pixels (18:9)1080x2340 pixels (19.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)201 PPI403 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass 5
Refresh rate60Hz60Hz
Display featuresNot supported600nits[typ]
HDR10

🤖 Operating System

Positivo Twist 2 (S512)Redmi K20 (256GB)
System versionAndroid 8.1 OreoAndroid 9.0 Pie
Firmware updatefeature not registeredAndroid 10
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Positivo Twist 2 (S512)Redmi K20 (256GB)
Chipset32bit: Unisoc Spreadtrum SC7731E (28nm)64bit: Qualcomm Snapdragon 730 (SM7150-AA) (8nm)
CPUQuad-core, 1 processor:
4x 1.3GHz ARM Cortex-A7 (Quad-core)
Octa-core, 2 processors:
2x 2.2GHz Kryo 470 Gold (Dual-core)
6x 1.8GHz Kryo 470 Silver (Hexa-core)
GPU graphical controllerARM Mali-T820 MP1 (600MHz)Qualcomm Adreno 618 (610MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Positivo Twist 2 (S512)Redmi K20 (256GB)
RAM memory1GB LPDDR8GB LPDDR4X
Internal storage16GB (10GB available)256GB (234GB available)
UFS 2.1
External storageUntil 32GB microSD, microSDXC
(dedicated slot)
Not supported

📶 Mobile networks

Positivo Twist 2 (S512)Redmi K20 (256GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
SIM card2 slots (Dual-SIM)
micro-SIM (3FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload14.4/5.76 Mbps800/150 Mbps
Network technology2G, 3G2G, 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 850/900/1800/1900CDMA 800 (China), GSM 850/900/1800/1900
Primary 3G networkUMTS 850/2100MZB7754IN, MZB7755IN, MZB7756IN version:
UMTS 850/900/1900/2100
M1903F10A, M1903F10C, M1903F10T version:
CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1900/2100
Primary 4G networkNot supportedLTE Cat15/13
VoLTE
MZB7754IN, MZB7755IN, MZB7756IN version:
LTE (Bands 1, 3, 5, 7, 8)
TD-LTE (Bands 38, 40, 41)
M1903F10A, M1903F10C, M1903F10T version:
LTE (Bands 1, 3, 5, 7, 8)
TD-LTE (Bands 34, 38, 39, 40, 41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+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
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

📷 Camera

Positivo Twist 2 (S512)Redmi K20 (256GB)
Back camera (main camera)8 megapixels(triple camera)
48 megapixels
8MP telephoto f/2.453mm1/4"1.12µmPDAF2x-optical-zoom
13MP ultrawide f/2.412mm1/3"1.12µm
Main camera resolution3264x2448 pixels8000x6000 pixels
Video recording (primary)HD (1280x720) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flash on both camerasDual-LED flash
Focal aperturef/2.2 (aperture)f/1.8 (aperture)
Focal lengthfeature not registered26mm (lens)
Sensor sizefeature not registered1/2" inches
Pixel sizefeature not registered0.8µm pixel
AutofocusAutofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo only main cameraHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Positivo Twist 2 (S512)Redmi K20 (256GB)
Front camera (secondary)5 megapixels20 megapixels

*Motorized pop-up camera (slider)
Front camera resolution2560x1920 pixels5184x3840 pixels
Video recording (secondary)HD (1280x720)Full HD (1920x1080)
Front flashLEDNot supported
Focal aperturefeature not registeredf/2.2 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registered0.8µm pixel

🔉 Sound and multimedia

Positivo Twist 2 (S512)Redmi K20 (256GB)
LoudspeakerSupportedSupported
Active noise cancellationNot supported2 microphones or more
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Positivo Twist 2 (S512)Redmi K20 (256GB)
USBMicroUSB 2.0USB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth2.1 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCNot supportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Positivo Twist 2 (S512)Redmi K20 (256GB)
SensorsAccelerometer
Ambient light sensor
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (under display)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Positivo Twist 2 (S512)Redmi K20 (256GB)
Battery typeLi-Ion: lithium-ion (Removable)LiPo: li-ion polymer (Non removable)
Battery capacity2500 mAh4000 mAh
Charger, wattsWired charging18W (9V/2A) Wired fast charging
Inductive / wireless chargingNot supportedfeature not registered
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Positivo Twist 2 (S512)Redmi K20 (256GB)
Call controlVoice dialing, Voice recorderVoice 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, Gold, Aurora (purple/blue)
• Android Go Edition
• Screen protector included
• Extra case included
• WiFi hotspot
• Colors: Carbon black, Flame red, Glacier blue
• MIUI 10
• HDR display
• 24-bit/192kHz audio
• Quick Charge 4+

☢️ Radiation rate

Positivo Twist 2 (S512)Redmi K20 (256GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered1.07W/kg (head), 0.72W/kg (body)
SAR 2W/kg (Europe, UK, etc.)0.4W/kg (head), 0.54W/kg (body)feature not registered
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