Asus Zenfone Max M1 (ZB555KL 16GB) vs Xiaomi Redmi K20 (128GB)

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Side by side comparison between Asus Zenfone Max (M1) vs Xiaomi Redmi K20 phones, differences, pros, cons and full specifications. What's the better?

7/29/2019 9:22 PM, updated: 6/24/2020 10:54 PM

Compare Xiaomi Redmi K20 X Asus Zenfone Max M1 (ZB555KL 16GB) 04Points

Specifications Compare Models Pictures

5.45"
IPS

720x1440

13
MP

8mp

2GB
RAM

Quad-core

4000
mAh

(Non removable)

22Points Xiaomi Redmi K20 (128GB) Compare Asus Zenfone Max (M1) 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 (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!

4 Advantages Asus Zenfone Max M1 (ZB555KL 16GB)	vs	22 Advantages Xiaomi Redmi K20 (128GB)
+Until 256GB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+150 grams (5.25 ounces)27% Lighter	vs	191 grams (6.69 ounces)
+8.7 millimeters (0.34 inches)1% Thinner	vs	8.8 millimeters (0.35 inches)
+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light	vs	Dual-LED flash
1.4GHz 64bit Quad-core	vs	+2.2GHz 64bit Octa-core (8nm)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 (10GB available)	vs	+128GB (109GB available)10 times More internal storage for applications and files
eMCP	vs	+UFS 2.1Advantage Fastest write and read storage.
TFT IPS LCD	vs	+AMOLEDAdvantage AMOLED display is brighter and more vivid
720x1440 pixels	vs	+1080x2340 pixels144% Higher resolution screen
295 PPI	vs	+403 PPI37% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.45"	vs	+6.39"17% Larger screen
(dual camera) 13MP + 8MP	vs	+(triple camera) 48MP + 8MP + 13MP2 times Higher resolution main camera
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
1/3" inches	vs	+1/2" inches50% The larger sensor camera lets you take photos with better depth.
f/2.0 (aperture)	vs	+f/1.8 (aperture)11% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 8MP	vs	+(front) 20MP149% 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 8.0 Oreo	vs	+Android 10Advantage Android 10 is newer and safer
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 800 Mbps4 times Faster for surfing the internet and download files
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
10W	vs	+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.
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
4.2 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supported	vs	+Gorilla Glass 5Advantage Protection against scratches on the screen lets you carry your phone with your keys

24 Common items in both devices

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

16 million

PDAF: phase detection autofocus

EIS: Digital stabilization

HDR photo on both cameras

(front) Full HD (1920x1080)

4G LTE / 4G LTE-A

+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
	Asus Zenfone Max M1 (ZB555KL 16GB)	Redmi K20 (128GB)
Change model		Choose the model
Model	Zenfone Max M1 (ZB555KL 16GB)	Redmi K20 (128GB)
Other model names	Asus Zenfone Max M1 ZB555KL (dual-camera) quad-core	Xiaomi Redmi K20 M1903F10A, M1903F10C, MZB7754IN, MZB7755IN
Country or region available	Canada, USA	China, India
Brand	Asus	Xiaomi
Release date	10/1/2018	6/1/2019
Depth	8.7 millimeters (0.34 inches)	8.8 millimeters (0.35 inches)
Size (width x height)	70.9 x 147.3 millimeters (2.79 x 5.8 in)	74.3 x 156.7 millimeters (2.93 x 6.17 in)
Weight	150 grams (5.25 ounces)	191 grams (6.69 ounces)
Build, materials	Aluminum body, glass front	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone Max M1 (ZB555KL 16GB)	Redmi K20 (128GB)
Display type	TFT IPS LCD	AMOLED
Screen size	5.45" inches	6.39" inches
Screen-to-body ratio	~73.4% (screen-to-body ratio)	~86.1% (screen-to-body ratio)
Display resolution	720x1440 pixels	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch 5-points	Capacitive Multitouch
Pixel density (dot pitch)	295 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 5
Refresh rate	feature not registered	60Hz
Display features	feature not registered	600nits[typ] HDR10
🤖 Operating System
	Asus Zenfone Max M1 (ZB555KL 16GB)	Redmi K20 (128GB)
System version	Android 7.0 Nougat	Android 9.0 Pie
Firmware update	Android 8.0 Oreo	Android 10
User Interface	feature not registered	feature not registered
⚙️ Processor
	Asus Zenfone Max M1 (ZB555KL 16GB)	Redmi K20 (128GB)
Chipset	64bit: Qualcomm Snapdragon 425 MSM8917 (28nm)	64bit: Qualcomm Snapdragon 730 (SM7150-AA) (8nm)
CPU	Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core)
GPU graphical controller	Qualcomm Adreno 308 500Mhz	Qualcomm Adreno 618 (610MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone Max M1 (ZB555KL 16GB)	Redmi K20 (128GB)
RAM memory	2GB LPDDR3	6GB LPDDR4X
Internal storage	16GB (10GB available) eMCP	128GB (109GB available) UFS 2.1
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Asus Zenfone Max M1 (ZB555KL 16GB)	Redmi K20 (128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated 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	800/150 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	GSM 850/900/1800/1900	CDMA 800 (China), GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1700/1900/2100	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
Primary 4G network	LTE Cat4 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 28) VoLTE	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)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, 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
	Asus Zenfone Max M1 (ZB555KL 16GB)	Redmi K20 (128GB)
Back camera (main camera)	(dual camera) 13 megapixels 8MP ultrawide 17mm120°	(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	4128x3096 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash on both cameras	Dual-LED flash
Focal aperture	f/2.0 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	1/3" inches	1/2" inches
Pixel size	1.12µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: 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 on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Asus Zenfone Max M1 (ZB555KL 16GB)	Redmi K20 (128GB)
Front camera (secondary)	8 megapixels	20 megapixels *Motorized pop-up camera (slider)
Front camera resolution	3264x2448 pixels	5184x3840 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	LED	Not supported
Focal aperture	f/2.2 (aperture)	f/2.2 (aperture)
Focal length	25mm lens	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	1.12µm pixel	0.8µm pixel
🔉 Sound and multimedia
	Asus Zenfone Max M1 (ZB555KL 16GB)	Redmi K20 (128GB)
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.264, H.263, XviD	MP4, H.265, H.264, H.263, XviD
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone Max M1 (ZB555KL 16GB)	Redmi K20 (128GB)
USB	MicroUSB 2.0, 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	4.2 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone Max M1 (ZB555KL 16GB)	Redmi K20 (128GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone Max M1 (ZB555KL 16GB)	Redmi K20 (128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4000 mAh	4000 mAh
Charger, watts	10W (5V/2A) Wired charging	18W (9V/2A) Wired fast charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Asus Zenfone Max M1 (ZB555KL 16GB)	Redmi K20 (128GB)
Call control	Voice dialing, Voice recorder	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: Deepsea Black, Sunlight Gold, Ruby Red • ZenUI 5 • 2.5D curved glass display • LED notification	• Colors: Carbon black, Flame red, Glacier blue • MIUI 10 • HDR display • 24-bit/192kHz audio • Quick Charge 4+
☢️ Radiation rate
	Asus Zenfone Max M1 (ZB555KL 16GB)	Redmi K20 (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	1.07W/kg (head), 0.72W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered