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Asus Zenfone Zoom (ZX550 16GB) vs Xiaomi Redmi 9A (128GB/4GB)

Side by side comparison between Asus Zenfone Zoom (ZX550) vs Xiaomi Redmi 9A phones, differences, pros, cons with full specifications. What's the better?

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Compare Xiaomi Redmi 9A XAsus Zenfone Zoom (ZX550 16GB)11Points
Asus Zenfone Zoom (ZX550 16GB)
5.5"
IPS

1080x1920

13
MP

5mp

2GB
RAM

64bit Quad

3000
mAh

(Non removable)

vs
Xiaomi Redmi 9A (128GB/4GB)
6.53"
IPS

720x1600

13
MP

5mp

4GB
RAM

64bit Octa

5000
mAh

(Non removable)

What's the better phone? Xiaomi Redmi 9A (128GB/4GB)

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!

Zenfone Zoom (ZX550 16GB)11 Advantages Asus Zenfone Zoom (ZX550 16GB)vsRedmi 9A (128GB/4GB)16 Advantages Xiaomi Redmi 9A (128GB/4GB)
+185 grams (6.48 ounces)5%
Lighter
vs194 grams (6.79 ounces)
+Aluminum frame, glass front, leather backAdvantage
More resistant material
vsPlastic body, glass front
+1080x1920 pixels80%
Higher resolution screen
vs720x1600 pixels
+401 PPI49%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs269 PPI
+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
vsLED flash
+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsOnly digital zoom
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+CompassAdvantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+802.11 a/b/g/n/ac (2.4Ghz, 5Ghz)Advantage
WiFi 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) is newer and faster
vs802.11 b/g/n (2.4Ghz)
+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
2.3Ghz 64bit Quad-Corevs+2Ghz 64bit Octa-Core9%
More powerful processor, you can open your applications faster
2GB LPDDR3vs+4GB LPDDR4X100%
More RAM memory. Typically more responsive and better for multitasking.
16GB (12GB available)vs+128GB (106GB available)8 times
More internal storage for applications and files
Until 64GB microSD, microSDXCvs+Until 512GB microSD, microSDXC7 times
More external storage for files using memory cards
12 millimeters (0.47 inches)vs+9 millimeters (0.35 inches)33%
Thinner
5.5"vs+6.53"19%
Larger screen
HDR photo only main cameravs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
f/2.7 (aperture)vs+f/2.2 (aperture)23%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) HD (1280x720)vs+(front) Full HD (1920x1080)125%
More image quality for recording videos with the secondary camera
Android 5.0.2 Lollipopvs+Android 10Advantage
Android 10 is newer and safer
(4G LTE) 150 Mbpsvs+(4G+ LTE-A) 300 Mbps100%
Faster for surfing the internet and download files
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
3000 mAhvs+5000 mAh67%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+Active noise cancellationAdvantage
Noise-canceling microphone allows better call quality
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
4.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster

21 Common items in both devices
TFT IPS LCD
16 million
(back) 13MP
LDAF: laser detection autofocus / PDAF: phase detection autofocus
(front) 5MP
Full HD (1920x1080)
4G LTE / 4G+ LTE-A
+14 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight
Physical featuresAsus Zenfone Zoom (ZX550 16GB)Xiaomi Redmi 9A (128GB/4GB)
ModelZenfone Zoom (ZX550 16GB)Redmi 9A (128GB/4GB)
Other model namesAsus Zenfone Zoom ZX550 (Dual-Sim), Asus ZX550Xiaomi Redmi 9A M2006C3LG, M2006C3LI
Country or region available(Global, International)
(Global, International)
China
China
BrandAsusXiaomi
Release dateDecember, 2015June, 2020
Depth12 millimeters (0.47 inches)9 millimeters (0.35 inches)
Size (width x height)78.8 x 158.9 millimeters (3.1 x 6.26 in)77.07 x 164.9 millimeters (3.03 x 6.49 in)
Weight185 grams (6.48 ounces)194 grams (6.79 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum frame, glass front, leather backPlastic body, glass front
Protection against water and othersNot supportedNot supported
System (OS)Asus Zenfone Zoom (ZX550 16GB)Xiaomi Redmi 9A (128GB/4GB)
Operating systemAndroid 5.0.2 LollipopAndroid 10
Firmware updatefeature not registeredfeature not registered
HardwareAsus Zenfone Zoom (ZX550 16GB)Xiaomi Redmi 9A (128GB/4GB)
Chipset64bit - Intel Atom Z3580 (22nm)64bit - MediaTek Helio G25 (12nm)
CPU processor2.3Ghz Quad-Core Intel SilvermontOcta-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A53
1.5Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerPowerVR G6430 MP4PowerVR GE8320 650Mhz
RAM memory2GB LPDDR34GB LPDDR4X
Internal storage16GB (12GB available)128GB (106GB available)
eMMC 5.1
External storageUntil 64GB microSD, microSDXC
(dedicated slot)
Until 512GB microSD, microSDXC
(dedicated slot)
DisplayAsus Zenfone Zoom (ZX550 16GB)Xiaomi Redmi 9A (128GB/4GB)
Display typeTFT IPS LCDTFT IPS LCD
Screen size5.5" inches6.53" inches
Screen-to-body ratio~66.6% (screen-to-body ratio)~81% (screen-to-body ratio)
Display resolution1080x1920 pixels720x1600 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)401 PPI269 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Not supported
Display featuresfeature not registered60Hz, 400 nits
Mobile networksAsus Zenfone Zoom (ZX550 16GB)Xiaomi Redmi 9A (128GB/4GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
micro-SIM (3FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload150/50 Mbps300/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat4 (Bands 1, 2, 3, 4, 5, 7, 8, 9, 17, 18, 19, 20, 28, 29)
TD-LTE (Bands 38, 39, 40, 41)
LTE Cat6 (1, 2 ,3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE
CallingAsus Zenfone Zoom (ZX550 16GB)Xiaomi Redmi 9A (128GB/4GB)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
CameraAsus Zenfone Zoom (ZX550 16GB)Xiaomi Redmi 9A (128GB/4GB)
Back camera (main camera)13 megapixels13 megapixels
Main camera resolution4128x3096 pixels4128x3096 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashDual-LED flashLED flash
Focal aperturef/2.7 (aperture)f/2.2 (aperture)
Focal length28mm lens28mm lens
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registered1µm pixel
AutofocusLDAF: laser detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomDigital and optical zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo only main cameraHDR photo on both cameras
2ª cameraAsus Zenfone Zoom (ZX550 16GB)Xiaomi Redmi 9A (128GB/4GB)
Front camera (secondary)5 megapixels5 megapixels
Front camera resolution2560x1920 pixels2560x1920 pixels
Video recording (secondary)HD (1280x720)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.2 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registered1.12µm pixel
MultimediaAsus Zenfone Zoom (ZX550 16GB)Xiaomi Redmi 9A (128GB/4GB)
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+MP3, WAV, WMA, eAAC+, FLAC
ConnectivityAsus Zenfone Zoom (ZX550 16GB)Xiaomi Redmi 9A (128GB/4GB)
USBMicroUSB 2.0, USB OTG On-The-GoMicroUSB 2.0, USB OTG On-The-Go
TV outputNot supportedMicro-B USB SlimPort
Audio output3.5mm jack3.5mm jack
Bluetooth4.0 + A2DP5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz)802.11 b/g/n (2.4Ghz)
DLNANot supportedNot supported
NFCNot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS, BeiDou
Infrared portNot supportedNot supported
Other functionsAsus Zenfone Zoom (ZX550 16GB)Xiaomi Redmi 9A (128GB/4GB)
Active noise cancellationNot supportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Accelerometer
Proximity sensor
Ambient Light sensor
Face unlock
Other features- Colors: Black, White
- Asus ZenUI
- Hoya camera sensor
- Laser autofocus camera (0.03 seconds)
- 3x optical zoom camera
- Dual tone flash
- 5GB Asus Webstorage
- WiFi direct, hotspot
- Only one micro SIM card can connect to 3G/4G service at a time
- Colors: Carbon Gray, Sky Blue, Ocean Green
- MIUI 12
- WiFi direct, hotspot
Power supplyAsus Zenfone Zoom (ZX550 16GB)Xiaomi Redmi 9A (128GB/4GB)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity3000 mAh5000 mAh
Charger, watts Standard charging10W (5V/2A) Standard charging
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered
Radiation rateAsus Zenfone Zoom (ZX550 16GB)Xiaomi Redmi 9A (128GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.9W/kg (head) | 0.65W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.4W/kg (head) | 1.19W/kg (body)
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