Samsung Galaxy A8 Duos (SM-A8000 16GB) vs Xiaomi Redmi K20 Pro (128GB/6GB)

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Side by side comparison between Samsung Galaxy A8 vs Xiaomi Redmi K20 Pro phones, differences, pros, cons and full specifications. What's the better?

7/29/2019 3:45 PM, updated: 6/24/2020 11:06 PM

Compare Xiaomi Redmi K20 Pro X Samsung Galaxy A8 Duos (SM-A8000 16GB) 05Points

Specifications Compare Models Pictures

5.7"
AMOLED

1080x1920

16
MP

5mp

2GB
RAM

Octa-core

3050
mAh

(Non removable)

20Points Xiaomi Redmi K20 Pro (128GB/6GB) Compare Samsung Galaxy A8 X

Specifications Compare Models Pictures

6.39"
AMOLED

1080x2340

48
MP

20mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Xiaomi Redmi K20 Pro (128GB/6GB)

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!

5 Advantages Samsung Galaxy A8 Duos (SM-A8000 16GB)	vs	20 Advantages Xiaomi Redmi K20 Pro (128GB/6GB)
+Until 256GB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+151 grams (5.29 ounces)26% Lighter	vs	191 grams (6.69 ounces)
+5.9 millimeters (0.23 inches)49% Thinner	vs	8.8 millimeters (0.35 inches)
+ANT+Advantage 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
1.5GHz 64bit Octa-core	vs	+2.84GHz 64bit Octa-core (7nm)94% More powerful processor, you can open your applications faster
2GB LPDDR3	vs	+6GB LPDDR4X2 times More RAM memory. Typically more responsive and better for multitasking.
16GB (11GB available)	vs	+128GB (109GB available)9 times More internal storage for applications and files
eMMC 4.5	vs	+UFS 2.1Advantage Fastest write and read storage.
1080x1920 pixels	vs	+1080x2340 pixels22% Higher resolution screen
386 PPI	vs	+403 PPI4% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.7"	vs	+6.39"12% Larger screen
(back) 16MP	vs	+(triple camera) 48MP + 8MP + 13MP3 times Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
f/1.9 (aperture)	vs	+f/1.8 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MP	vs	+(front) 20MP3 times Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
Android 6.0 Marshmallow	vs	+Android 9.0 PieAdvantage Android 9.0 Pie is newer and safer
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 1024 Mbps6 times Faster for surfing the internet and download files
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
3050 mAh	vs	+4000 mAh31% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
4.1 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.

29 Common items in both devices

Aluminum body, glass front, plastic back / Aluminum frame, glass front/back

Super AMOLED

16 million

Autofocus / LDAF/PDAF: laser/phase detection autofocus

EIS: Digital stabilization

(front) Full HD (1920x1080)

4G LTE / 4G LTE-A

+22 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
	Galaxy A8 Duos (SM-A8000 16GB)	Redmi K20 Pro (128GB/6GB)
Change model		Choose the model
Model	Galaxy A8 Duos (SM-A8000 16GB)	Redmi K20 Pro (128GB/6GB)
Other model names	Samsung Galaxy A8 SM-A8000 (Dual-Sim)	Xiaomi Redmi K20 Pro 6GB RAM MZB7748IN, MZB7749IN, MZB7750IN
Country or region available	China, Hong Kong	China, India
Brand	Samsung	Xiaomi
Release date	8/1/2015	6/1/2019
Depth	5.9 millimeters (0.23 inches)	8.8 millimeters (0.35 inches)
Size (width x height)	76.8 x 158 millimeters (3.02 x 6.22 in)	74.3 x 156.7 millimeters (2.93 x 6.17 in)
Weight	151 grams (5.29 ounces)	191 grams (6.69 ounces)
Build, materials	Aluminum body, glass front, plastic back	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy A8 Duos (SM-A8000 16GB)	Redmi K20 Pro (128GB/6GB)
Display type	Super AMOLED	Super AMOLED
Screen size	5.7" inches	6.39" inches
Screen-to-body ratio	~73.8% (screen-to-body ratio)	~86.1% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	386 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 4	Gorilla Glass 5
Refresh rate	feature not registered	60Hz
Display features	feature not registered	600nits[typ] HDR10
🤖 Operating System
	Galaxy A8 Duos (SM-A8000 16GB)	Redmi K20 Pro (128GB/6GB)
System version	Android 5.1.1 Lollipop	Android 9.0 Pie
Firmware update	Android 6.0 Marshmallow	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Galaxy A8 Duos (SM-A8000 16GB)	Redmi K20 Pro (128GB/6GB)
Chipset	64bit: Qualcomm Snapdragon 615 MSM8939 (28nm)	64bit: Qualcomm Snapdragon 855 (SM8150) (7nm)
CPU	Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core)	Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core)
GPU graphical controller	Qualcomm Adreno 405	Qualcomm Adreno 640 (585MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy A8 Duos (SM-A8000 16GB)	Redmi K20 Pro (128GB/6GB)
RAM memory	2GB LPDDR3	6GB LPDDR4X
Internal storage	16GB (11GB available) eMMC 4.5	128GB (109GB available) UFS 2.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Not supported
📶 Mobile networks
	Galaxy A8 Duos (SM-A8000 16GB)	Redmi K20 Pro (128GB/6GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)	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	150/50 Mbps	1024/150 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G
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	CDMA 800 (China), GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	MZB7748IN, MZB7749IN, MZB7750IN version: UMTS 850/900/1900/2100 M1903F11A, M1903F11C, M1903F11T version: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	LTE Cat4 (Bands 1, 3, 7, 8) TD-LTE (Bands 38, 39, 40, 41)	LTE Cat16/13 VoLTE MZB7748IN, MZB7749IN, MZB7750IN version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 38, 40, 41) M1903F11A, M1903F11C, M1903F11T version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 41)
Primary 5G network	Not supported	Not supported
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	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 network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	Galaxy A8 Duos (SM-A8000 16GB)	Redmi K20 Pro (128GB/6GB)
Back camera (main camera)	16 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 resolution	4608x3456 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 60 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/1.9 (aperture)	f/1.8 (aperture)
Focal length	31mm (lens)	26mm (lens)
Sensor size	feature not registered	1/2" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	Autofocus	LDAF/PDAF: laser/phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo only main camera	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy A8 Duos (SM-A8000 16GB)	Redmi K20 Pro (128GB/6GB)
Front camera (secondary)	5 megapixels	20 megapixels *Motorized pop-up camera (slider)
Front camera resolution	2592x1944 pixels	5184x3840 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/1.9 (aperture)	f/2.2 (aperture)
Focal length	23mm (lens)	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Galaxy A8 Duos (SM-A8000 16GB)	Redmi K20 Pro (128GB/6GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, MKV, WMV	MP4, H.265, H.264, H.263, XviD
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy A8 Duos (SM-A8000 16GB)	Redmi K20 Pro (128GB/6GB)
USB	MicroUSB 2.0	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.1 + A2DP	5.0 + 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 [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy A8 Duos (SM-A8000 16GB)	Redmi K20 Pro (128GB/6GB)
Sensors	Accelerometer Ambient light sensor ANT+ Compass Fingerprint sensor (front-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A8 Duos (SM-A8000 16GB)	Redmi K20 Pro (128GB/6GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3050 mAh	4000 mAh
Charger, watts	Wired charging	27W Wired fast charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	17 hours	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy A8 Duos (SM-A8000 16GB)	Redmi K20 Pro (128GB/6GB)
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, White, Gold • Samsung TouchWiz UX	• Colors: Carbon black, Flame red, Glacier blue • MIUI 10 • HDR display • 24-bit/192kHz audio • Quick Charge 4+
☢️ Radiation rate
	Galaxy A8 Duos (SM-A8000 16GB)	Redmi K20 Pro (128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.81W/kg (head), 1.19W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.252W/kg (head), 0.672W/kg (body)	feature not registered