Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB) vs Xiaomi Redmi 9i (128GB)

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Side by side comparison between Asus Zenfone 3 Deluxe vs Xiaomi Redmi 9i phones, differences, pros, cons and full specifications. What's the better?

11/29/2020 10:32 AM, updated: 11/25/2021 6:50 PM

Compare Xiaomi Redmi 9i X Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB) 18Points

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

16
MP

8mp

4GB
RAM

Octa-core

3000
mAh

(Non removable)

10Points Xiaomi Redmi 9i (128GB) Compare Asus Zenfone 3 Deluxe X

Specifications Compare Models Pictures

6.53"
IPS

720x1600

13
MP

5mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)

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!

18 Advantages Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	vs	10 Advantages Xiaomi Redmi 9i (128GB)
+2GHz 64bit Octa-core9% More powerful processor, you can open your applications faster	vs	2GHz 64bit Octa-core (12nm)
+151 grams (5.29 ounces)28% Lighter	vs	194 grams (6.79 ounces)
+7.8 millimeters (0.31 inches)15% Thinner	vs	9 millimeters (0.35 inches)
+1080x1920 pixels80% Higher resolution screen	vs	720x1600 pixels
+401 PPI49% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	269 PPI
+(back) 16MP25% Higher resolution main camera	vs	(back) 13MP
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+f/2.0 (aperture)10% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.2 (aperture)
+(front) 8MP63% Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+CompassAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensorAdvantage 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 a/b/g/n [wifi4]
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0, USB OTG On-The-Go
+Gorilla Glass 4Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
4GB LPDDR3	vs	+4GB LPDDR4XAdvantage This RAM type is better and more efficient.
64GB (55GB available)	vs	+128GB (103GB available)87% More internal storage for applications and files
Until 256GB microSD, microSDXC	vs	+Until 512GB microSD, microSDXC100% More external storage for files using memory cards
5.5"	vs	+6.53"19% Larger screen
Android 8.0 Oreo	vs	+Android 11Advantage Android 11 is newer and safer
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
3000 mAh	vs	+5000 mAh67% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general
4.2 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster

22 Common items in both devices

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)

4G LTE-A

+15 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 Deluxe (5.5 ZS550KL 64GB)	Redmi 9i (128GB)
Change model		Choose the model
Model	Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Redmi 9i (128GB)
Other model names	Asus Zenfone 3 Deluxe ZS550KL 4GB/64GB 5.5"	Xiaomi Redmi 9i M2006C3LII
Country or region available	(Global, International), Bulgaria, USA, Philippines, Greece, Hungary, Japan, Taiwan	India
Brand	Asus	Xiaomi
Release date	9/1/2016	9/18/2020, Announced: 9/15/2020
Depth	7.8 millimeters (0.31 inches)	9 millimeters (0.35 inches)
Size (width x height)	76.7 x 151.5 millimeters (3.02 x 5.96 in)	77.07 x 164.9 millimeters (3.03 x 6.49 in)
Weight	151 grams (5.29 ounces)	194 grams (6.79 ounces)
Build, materials	feature not registered	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Redmi 9i (128GB)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	5.5" inches	6.53" inches
Screen-to-body ratio	~71.8% (screen-to-body ratio)	~81% (screen-to-body ratio)
Display resolution	1080x1920 pixels	720x1600 pixels (20:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	401 PPI	269 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 4	Not supported
Refresh rate	feature not registered	60Hz
Display features	feature not registered	400nits[typ]
🤖 Operating System
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Redmi 9i (128GB)
System version	Android 6.0.1 Marshmallow	Android 10
Firmware update	Android 8.0 Oreo	Android 11
User Interface	feature not registered	MIUI 12.5
⚙️ Processor
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Redmi 9i (128GB)
Chipset	64bit: Qualcomm Snapdragon 625 MSM8953 (14nm)	64bit: MediaTek Helio G25 (MT6762G) (12nm)
CPU	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)	Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 506 650Mhz	PowerVR GE8320 MP2 (650MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Redmi 9i (128GB)
RAM memory	4GB LPDDR3	4GB LPDDR4X
Internal storage	64GB (55GB available)	128GB (103GB available) eMMC 5.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Redmi 9i (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 (dedicated slot)
SIM card	2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	300/50 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	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	UMTS 800/850/900/1700/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat6 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,12,17,18,19,20,26,28)	LTE Cat6 (1, 3, 5, 8) TD-LTE (40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A	GPRS, EDGE, UMTS, 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	UMTS 850/900/1900/2100
Secondary 4G network	Not supported	LTE Cat6 (1, 3, 5, 8) TD-LTE (40, 41) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Redmi 9i (128GB)
Back camera (main camera)	16 megapixels	13 megapixels
Main camera resolution	4608x3456 pixels	4128x3096 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	28mm (lens)
Sensor size	feature not registered	feature not registered
Pixel size	1.12µm pixel	1µm pixel
Autofocus	LDAF/PDAF: laser/phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: 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	feature not registered	feature not registered
📸 Front camera
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Redmi 9i (128GB)
Front camera (secondary)	8 megapixels	5 megapixels
Front camera resolution	3264x2448 pixels	2560x1920 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	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	1.12µm pixel
🔉 Sound and multimedia
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Redmi 9i (128GB)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	FM
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 Deluxe (5.5 ZS550KL 64GB)	Redmi 9i (128GB)
USB	USB 2.0 Type-C reversible connector	MicroUSB 2.0, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Micro-B USB SlimPort
Bluetooth	4.2 + A2DP	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot	802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Not supported
Infrared port	Supported	Not supported
🧭 Sensors
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Redmi 9i (128GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Face unlock Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Redmi 9i (128GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	5000 mAh
Charger, watts	Wired charging	10W (5V/2A) Wired charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Redmi 9i (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: Shimmer Gold • USB OTG On-The-Go • Asus ZenUI 3.0 • Sony IMX298 sensor camera • Quick Charge 3.0 • Fast battery charging: 60% in 40min	• Colors: Midnight Black, Sea Blue, Nature Green
☢️ Radiation rate
	Asus Zenfone 3 Deluxe (5.5 ZS550KL 64GB)	Redmi 9i (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