Xiaomi Redmi K20 (128GB) vs Xiaomi Redmi 8A (64GB)

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Side by side comparison between Xiaomi Redmi K20 vs Xiaomi Redmi 8A phones, differences, pros, cons and full specifications. What's the better?

11/19/2019 7:59 PM, updated: 7/8/2020 9:02 PM

Compare Xiaomi Redmi 8A X Xiaomi Redmi K20 (128GB) 24Points

Specifications Compare Models Pictures

6.39"
AMOLED

1080x2340

48
MP

20mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

04Points Xiaomi Redmi 8A (64GB) Compare Xiaomi Redmi K20 X

Specifications Compare Models Pictures

6.2"
IPS

720x1520

12
MP

8mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

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

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!

24 Advantages Xiaomi Redmi K20 (128GB)	vs	4 Advantages Xiaomi Redmi 8A (64GB)
+2.2GHz 64bit Octa-core (8nm)28% More powerful processor, you can open your applications faster	vs	2GHz 64bit Octa-core
+6GB LPDDR4X50% More RAM memory. Typically more responsive and better for multitasking.	vs	4GB LPDDR3
+128GB (109GB available)114% More internal storage for applications and files	vs	64GB (51GB available)
+UFS 2.1Advantage Fastest write and read storage.	vs	eMMC 5.1
+8.8 millimeters (0.35 inches)7% Thinner	vs	9.4 millimeters (0.37 inches)
+Aluminum frame, glass front/backAdvantage More resistant material	vs	Plastic body, glass front
+AMOLEDAdvantage AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+HDR10Advantage The HDR10 display provides vibrant colors and more details	vs	Not supported
+1080x2340 pixels131% Higher resolution screen	vs	720x1520 pixels
+403 PPI49% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	271 PPI
+6.39"3% Larger screen	vs	6.2"
+(triple camera) 48MP + 8MP + 13MP5 times Higher resolution main camera	vs	(back) 12MP
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+1/2" inches28% The larger sensor camera lets you take photos with better depth.	vs	1/2.55" inches
+(front) 20MP149% Higher resolution secondary camera to take pictures and selfies	vs	(front) 8MP
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+Android 10Advantage Android 10 is newer and safer	vs	Android 9.0 Pie
+(4G LTE-A) 800 Mbps4 times Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+Fingerprint sensor (under display)Advantage Sensors help you use the device	vs	Not supported
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster	vs	802.11 b/g/n [wifi4]
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	4.2 + A2DP
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
Not supported	vs	+Until 512GB microSD, microSDXCAdvantage More external storage for files using memory cards
191 grams (6.69 ounces)	vs	+188 grams (6.58 ounces)2% Lighter
4000 mAh	vs	+5000 mAh25% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+Water repellent nano-coating (don't immerse)Advantage Protection against water allows you talk to your friends in the rain, for example

24 Common items in both devices

60Hz

16 million

PDAF: phase detection autofocus

EIS: Digital stabilization

HDR photo on both cameras

f/1.8 (aperture)

(front) Full HD (1920x1080)

+17 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
	Redmi K20 (128GB)	Redmi 8A (64GB)
Change model		Choose the model
Model	Redmi K20 (128GB)	Redmi 8A (64GB)
Other model names	Xiaomi Redmi K20 M1903F10A, M1903F10C, MZB7754IN, MZB7755IN	Xiaomi Redmi 8A M1908C3KG, M1908C3KE, M1908C3KC
Country or region available	China, India	(Global, International), China
Brand	Xiaomi	Xiaomi
Release date	6/1/2019	9/1/2019
Depth	8.8 millimeters (0.35 inches)	9.4 millimeters (0.37 inches)
Size (width x height)	74.3 x 156.7 millimeters (2.93 x 6.17 in)	75.4 x 156.3 millimeters (2.97 x 6.15 in)
Weight	191 grams (6.69 ounces)	188 grams (6.58 ounces)
Build, materials	Aluminum frame, glass front/back	Plastic body, glass front
Protection against water and others	Not supported	Water repellent nano-coating (don't immerse)
📲 Display
	Redmi K20 (128GB)	Redmi 8A (64GB)
Display type	AMOLED	TFT IPS LCD
Screen size	6.39" inches	6.2" inches
Screen-to-body ratio	~86.1% (screen-to-body ratio)	~81.4% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	720x1520 pixels (19:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	403 PPI	271 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Gorilla Glass 5
Refresh rate	60Hz	60Hz
Display features	600nits[typ] HDR10	400nits[typ]
🤖 Operating System
	Redmi K20 (128GB)	Redmi 8A (64GB)
System version	Android 9.0 Pie	Android 9.0 Pie
Firmware update	Android 10	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Redmi K20 (128GB)	Redmi 8A (64GB)
Chipset	64bit: Qualcomm Snapdragon 730 (SM7150-AA) (8nm)	64bit: Qualcomm Snapdragon 439 SDM439 (12nm)
CPU	Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core)	Octa-core, 2 processors: 2x 2GHz ARM Cortex-A53 (Dual-core) 6x 1.45GHz ARM Cortex-A53 (Hexa-core)
GPU graphical controller	Qualcomm Adreno 618 (610MHz)	Qualcomm Adreno 505 650Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Redmi K20 (128GB)	Redmi 8A (64GB)
RAM memory	6GB LPDDR4X	4GB LPDDR3
Internal storage	128GB (109GB available) UFS 2.1	64GB (51GB available) eMMC 5.1
External storage	Not supported	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Redmi K20 (128GB)	Redmi 8A (64GB)
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)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	800/150 Mbps	150/50 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 (China), GSM 850/900/1800/1900	CDMA 800 (China), GSM 850/900/1800/1900
Primary 3G network	MZB7754IN, MZB7755IN, MZB7756IN version: UMTS 850/900/1900/2100 M1903F10A, M1903F10C, M1903F10T version: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	Global, India version: UMTS 850/900/1900/2100 China version: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	LTE 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)	LTE Cat4 VoLTE Global version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (Bands 38, 40) India version: LTE (Bands 1, 3, 5, 8) TD-LTE (Bands 40, 41) China 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, LTE-A	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
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
	Redmi K20 (128GB)	Redmi 8A (64GB)
Back camera (main camera)	(triple camera) 48 megapixels 8MP telephoto f/2.453mm1/4"1.12µmPDAF2x-optical-zoom 13MP ultrawide f/2.412mm1/3"1.12µm	12 megapixels
Main camera resolution	8000x6000 pixels	4000x3000 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	26mm lens	feature not registered
Sensor size	1/2" inches	1/2.55" inches
Pixel size	0.8µm pixel	1.4µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Redmi K20 (128GB)	Redmi 8A (64GB)
Front camera (secondary)	20 megapixels *Motorized pop-up camera (slider)	8 megapixels
Front camera resolution	5184x3840 pixels	3264x2448 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/4" inches
Pixel size	0.8µm pixel	1.12µm pixel
🔉 Sound and multimedia
	Redmi K20 (128GB)	Redmi 8A (64GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Redmi K20 (128GB)	Redmi 8A (64GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	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	5.0 + A2DP/LE	4.2 + A2DP
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Redmi K20 (128GB)	Redmi 8A (64GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Redmi K20 (128GB)	Redmi 8A (64GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4000 mAh	5000 mAh
Charger, watts	18W (9V/2A) Wired fast charging	18W (9V/2A) Wired fast charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	feature not registered	42 hours (1.8 days)
Standby	feature not registered	feature not registered
➕ Other features
	Redmi K20 (128GB)	Redmi 8A (64GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder
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: Carbon black, Flame red, Glacier blue • MIUI 10 • HDR display • 24-bit/192kHz audio • Quick Charge 4+	• Colors: Midnight Black, Ocean Blue, Sunset Red • MIUI 11 • Sony IMX363 back camera sensor • Quick Charge 3.0
☢️ Radiation rate
	Redmi K20 (128GB)	Redmi 8A (64GB)
SAR 1.6W/kg (USA, Mexico, etc.)	1.07W/kg (head), 0.72W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered