Asus Zenfone 3 (5.2 ZE520KL 16GB) vs Xiaomi Redmi K30S (128GB)

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Side by side comparison between Asus Zenfone 3 vs Xiaomi Redmi K30S phones, differences, pros, cons and full specifications. What's the better?

11/29/2020 11:18 AM, updated: 3/13/2023 9:26 AM

Compare Xiaomi Redmi K30S X Asus Zenfone 3 (5.2 ZE520KL 16GB) 08Points

Specifications Compare Models Pictures

5.2"
IPS+

1080x1920

16
MP

8mp

2GB
RAM

Octa-core

2650
mAh

(Non removable)

21Points Xiaomi Redmi K30S (128GB) Compare Asus Zenfone 3 X

Specifications Compare Models Pictures

6.67"
IPS

1080x2400

64
MP

20mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Xiaomi Redmi K30S (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!

8 Advantages Asus Zenfone 3 (5.2 ZE520KL 16GB)	vs	21 Advantages Xiaomi Redmi K30S (128GB)
+Until 256GB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+144 grams (5.04 ounces)50% Lighter	vs	216 grams (7.56 ounces)
+7.7 millimeters (0.3 inches)21% Thinner	vs	9.33 millimeters (0.37 inches)
+424 PPI7% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	395 PPI
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C jack with 3.5mm jack adapter
+FM (RDS)Advantage The radio lets you listen to your songs and sports in general	vs	Not supported
2GHz 64bit Octa-core (14nm)	vs	+2.84GHz 64bit Octa-core (7nm)29% More powerful processor, you can open your applications faster
2GB LPDDR3	vs	+8GB LPDDR53 times More RAM memory. Typically more responsive and better for multitasking.
16GB (10GB available)	vs	+128GB (106GB available)10 times More internal storage for applications and files
eMMC 5.1	vs	+UFS 3.1Advantage Fastest write and read storage.
Not supported	vs	+HDR10Advantage The HDR10 display provides vibrant colors and more details
60Hz	vs	+144Hz140% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
1080x1920 pixels	vs	+1080x2400 pixels25% Higher resolution screen
5.2"	vs	+6.67"28% Larger screen
(back) 16MP	vs	+(triple camera) 64MP + 13MP + 5MP4 times Higher resolution main camera
f/2.0 (aperture)	vs	+f/1.9 (aperture)5% 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
4K UHD (3840x2160)	vs	+8K UHD (7680x4320)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	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE) 150 Mbps	vs	+(5G SA/NSA) 2000 Mbps12 times Faster for surfing the internet and download files
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
2650 mAh	vs	+5000 mAh89% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
10W	vs	+33W2 times 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 a/b/g/n/ac [wifi5]	vs	+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
4.2 + A2DP	vs	+5.1 + A2DP/LEAdvantage Bluetooth 5.1 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely

25 Common items in both devices

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

TFT Super IPS+ / TFT IPS LCD

16 million

Only digital zoom

LDAF/PDAF: laser/phase detection autofocus / PDAF: phase detection autofocus

HDR photo on both cameras

(front) Full HD (1920x1080)

+18 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 3 (5.2 ZE520KL 16GB)	Redmi K30S (128GB)
Change model		Choose the model
Model	Zenfone 3 (5.2 ZE520KL 16GB)	Redmi K30S (128GB)
Other model names	Zenfone 3 ZE520KL 2GB/16GB 5.2" Dual-SIM 1A090BR	Xiaomi Redmi K30S 5G M2007J3SC
Country or region available	(Global, International), Brazil, China, Philippines, India	China
Brand	Asus	Xiaomi
Release date	7/12/2016	10/27/2020
Depth	7.7 millimeters (0.3 inches)	9.33 millimeters (0.37 inches)
Size (width x height)	73.98 x 146.87 millimeters (2.91 x 5.78 in)	76.4 x 165.1 millimeters (3.01 x 6.5 in)
Weight	144 grams (5.04 ounces)	216 grams (7.56 ounces)
Build, materials	Aluminum body, glass front, plastic back	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Redmi K30S (128GB)
Display type	TFT Super IPS+	TFT IPS LCD
Screen size	5.2" inches	6.67" inches
Screen-to-body ratio	~68.6% (screen-to-body ratio)	~85.2% (screen-to-body ratio)
Display resolution	1080x1920 pixels (16:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	424 PPI	395 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 5
Refresh rate	60Hz	144Hz
Display features	2.5D glass	500nits[typ] HDR10
🤖 Operating System
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Redmi K30S (128GB)
System version	Android 6.0.1 Marshmallow	Android 10
Firmware update	Android 8.0 Oreo	feature not registered
User Interface	ZenUI 3.0	feature not registered
⚙️ Processor
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Redmi K30S (128GB)
Chipset	64bit: Qualcomm Snapdragon 625 (MSM8953) (14nm)	64bit: Qualcomm Snapdragon 865 (SM8250) (7nm)
CPU	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)	Octa-core, 3 processors: 1x 2.84GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core)
GPU graphical controller	Qualcomm Adreno 506 (650MHz)	Qualcomm Adreno 650 (250-587MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Redmi K30S (128GB)
RAM memory	2GB LPDDR3	8GB LPDDR5
Internal storage	16GB (10GB available) eMMC 5.1	128GB (106GB available) UFS 3.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Not supported
📶 Mobile networks
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Redmi K30S (128GB)
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) micro-SIM (3FF) and nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	150/50 Mbps	2000/150 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G, 5G
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, GSM 850/900/1800/1900
Primary 3G network	Global: UMTS 850/900/1900/2100 India: UMTS 850/900/2100 Brazil: UMTS 850/900/1700/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat4 Global: LTE (1, 2, 3, 5, 7, 8, 20) India: LTE (1, 3, 5, 8) TD-LTE (40) Brazil: LTE (1, 2, 3, 4, 5, 7, 8, 17, 28)	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17) TD-LTE (34, 38, 39, 40, 41) VoLTE
Primary 5G network	Not supported	SA/NSA (1, 3, 41, 78, 79)
Primary data network	GPRS, EDGE, UMTS, 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, SA/NSA
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Global: UMTS 850/900/1900/2100 India: UMTS 850/900/2100 Brazil: UMTS 850/900/1700/1900/2100	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+	GPRS, EDGE
📷 Camera
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Redmi K30S (128GB)
Back camera (main camera)	16 megapixels	(triple camera) 64 megapixels 13MP ultrawide f/2.4123°1.12µm 5MP macro f/2.4AF
Main camera resolution	4608x3456 pixels	10120x6328 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	8K UHD (7680x4320) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/2.0 (aperture)	f/1.9 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/1.73" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	LDAF/PDAF: laser/phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS (4-axis): Optical stabilization	EIS: Digital stabilization
Zoom	Only digital 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	4K@30fps 1080p@30/60fps	feature not registered
📸 Front camera
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Redmi K30S (128GB)
Front camera (secondary)	8 megapixels	20 megapixels
Front camera resolution	3264x2448 pixels	5184x3840 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	27mm (lens)
Sensor size	feature not registered	1/3.4" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Redmi K30S (128GB)
Loudspeaker	Mono sound (not stereo) 24-bit/192kHz	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Redmi K30S (128GB)
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	Type-C jack with 3.5mm jack adapter
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	4.2 + A2DP	5.1 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC
NFC	Not supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Redmi K30S (128GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Redmi K30S (128GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	2650 mAh	5000 mAh
Charger, watts	10W (5V/2A) Wired charging	33W Wired fast charging Quick Charge 4+ USB Power Delivery 3.0
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Redmi K30S (128GB)
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: Sapphire Black, Moonlight White, Shimmer Gold	• Colors: Cosmic Black, Lunar Silver • MIUI 12 • Silicone Case included • Screen protector included • Dual stereo speakers • 24-bit/192kHz audio • Mi Pay
☢️ Radiation rate
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Redmi K30S (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered