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Asus Zenfone 5Z (ZS621KL 256GB) vs Xiaomi Redmi 5A (MCI3B 32GB)

Side by side comparison between Asus Zenfone 5Z vs Xiaomi Redmi 5A phones, differences, pros, cons and full specifications. What's the better?

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Compare Xiaomi Redmi 5A X Asus Zenfone 5Z (ZS621KL 256GB) 27Points
6.2"
IPS

1080x2246

12
MP

8mp

8GB
RAM

Octa-core

3300
mAh

(Non removable)

vs
02Points Xiaomi Redmi 5A (MCI3B 32GB) Compare Asus Zenfone 5Z X
5"
IPS

720x1280

13
MP

5mp

3GB
RAM

Quad-core

3000
mAh

(Non removable)

What's the better phone? Asus Zenfone 5Z (ZS621KL 256GB)

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 5Z (ZS621KL 256GB)} 27 Advantages Asus Zenfone 5Z (ZS621KL 256GB) vs Redmi 5A (MCI3B 32GB)} 2 Advantages Xiaomi Redmi 5A (MCI3B 32GB)
+2.7GHz 64bit Octa-core114%
More powerful processor, you can open your applications faster
vs1.4GHz 64bit Quad-core
+8GB LPDDR4X167%
More RAM memory. Typically more responsive and better for multitasking.
vs3GB LPDDR3
+256GB (240GB available)10 times
More internal storage for applications and files
vs32GB (22GB available)
+Until 1TB microSD, microSDXC3 times
More external storage for files using memory cards
vsUntil 256GB microSD, microSDXC
+7.9 millimeters (0.31 inches)6%
Thinner
vs8.4 millimeters (0.33 inches)
+1080x2246 pixels163%
Higher resolution screen
vs720x1280 pixels
+402 PPI37%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs294 PPI
+6.2"24%
Larger screen
vs5"
+(dual camera) 12MP + 8MP56%
Higher resolution main camera
vs(back) 13MP
+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
vsLED flash
+OIS (4-axis): Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
vsHDR photo only main camera
+f/1.8 (aperture)22%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/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
vsFull HD (1920x1080)
+(front) Full HD (1920x1080)125%
More image quality for recording videos with the secondary camera
vs(front) HD (1280x720)
+Android 10Advantage
Android 10 is newer and safer
vsAndroid 7.1.2 Nougat
+(4G LTE-A) 800 Mbps4 times
Faster for surfing the internet and download files
vs(4G LTE) 150 Mbps
+CompassAdvantage
Sensors help you use the device
vsNot supported
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+3300 mAh10%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3000 mAh
+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
vs802.11 b/g/n [wifi4]
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
vs4.1 + A2DP
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0
+Gorilla GlassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
165 grams (5.78 ounces)vs+137 grams (4.8 ounces)20%
Lighter
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.

17 Common items in both devices
TFT IPS LCD
16 million
Only digital zoom
PDAF: phase detection autofocus
4G LTE-A / 4G LTE
Capacitive
Multitouch
+10 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 Clear highlight

📱 Model features

Asus Zenfone 5Z (ZS621KL 256GB)Redmi 5A (MCI3B 32GB)
ModelZenfone 5Z (ZS621KL 256GB)Redmi 5A (MCI3B 32GB)
Other model namesAsus Zenfone 5z 8GB RAM (ZS621KL), ASUS_Z01RDXiaomi Redmi 5A Desh Ka 3GB RAM (India), Xiaomi MCI3B
Country or region availableIndia
India
India
India
BrandAsusXiaomi
Release date6/1/201812/7/2017
Depth7.9 millimeters (0.31 inches)8.4 millimeters (0.33 inches)
Size (width x height)75.65 x 153 millimeters (2.98 x 6.02 in)70.1 x 140.4 millimeters (2.76 x 5.53 in)
Weight165 grams (5.78 ounces)137 grams (4.8 ounces)
Build, materialsAluminum frame, glass front/backfeature not registered
Protection against water and othersNot supportedNot supported

📲 Display

Asus Zenfone 5Z (ZS621KL 256GB)Redmi 5A (MCI3B 32GB)
Display typeTFT IPS LCDTFT IPS LCD
Screen size6.2" inches5" inches
Screen-to-body ratio~83.7% (screen-to-body ratio)~70% (screen-to-body ratio)
Display resolution1080x2246 pixels (18.7:9)720x1280 pixels
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)402 PPI294 PPI
Colors16 million16 million
Scratch-resistant glassGorilla GlassNot supported
Refresh rate60Hzfeature not registered
Display features550nits[typ]feature not registered

🤖 Operating System

Asus Zenfone 5Z (ZS621KL 256GB)Redmi 5A (MCI3B 32GB)
System versionAndroid 8.0 OreoAndroid 7.1.2 Nougat
Firmware updateAndroid 10feature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Asus Zenfone 5Z (ZS621KL 256GB)Redmi 5A (MCI3B 32GB)
Chipset64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)64bit: Qualcomm Snapdragon 425 MSM8917 (28nm)
CPUOcta-core, 2 processors:
4x 2.7GHz Kryo 385 Gold (Quad-core)
4x 1.7GHz Kryo 385 Silver (Quad-core)
Quad-core, 1 processor:
4x 1.4GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerQualcomm Adreno 630 710MhzQualcomm Adreno 308 500Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Asus Zenfone 5Z (ZS621KL 256GB)Redmi 5A (MCI3B 32GB)
RAM memory8GB LPDDR4X3GB LPDDR3
Internal storage256GB (240GB available)
UFS 2.1
32GB (22GB available)
External storageUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 256GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Asus Zenfone 5Z (ZS621KL 256GB)Redmi 5A (MCI3B 32GB)
Dual-SIMDual-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 card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload800/100 Mbps150/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse 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 800/850/900UMTS 850/900/1900/2100
Primary 4G networkLTE Cat15 (Bands 1,2,3,5,7,8,18,19,20,26,28)
TD-LTE (Bands 38,39,40,41)
LTE Cat4 850/900/1800/2100/2600 (Bands 1,3,5,7,8)
TD-LTE 2000/1900/2300/2500/2600 (Bands 34,38,39,40,41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
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

📷 Camera

Asus Zenfone 5Z (ZS621KL 256GB)Redmi 5A (MCI3B 32GB)
Back camera (main camera)(dual camera)
12 megapixels
8MP ultrawide f/2.012mm1/4"1.12µmFF
13 megapixels
Main camera resolution4000x3000 pixels4128x3096 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashDual-LED flashLED flash
Focal aperturef/1.8 (aperture)f/2.2 (aperture)
Focal length24mm lensfeature not registered
Sensor size1/2.55" inchesfeature not registered
Pixel size1.4µm pixelfeature not registered
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS (4-axis): Optical stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo only main camera
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Asus Zenfone 5Z (ZS621KL 256GB)Redmi 5A (MCI3B 32GB)
Front camera (secondary)8 megapixels5 megapixels
Front camera resolution3264x2448 pixels2560x1920 pixels
Video recording (secondary)Full HD (1920x1080)HD (1280x720)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal length24mm lensfeature not registered
Sensor size1/4" inchesfeature not registered
Pixel size1.12µm pixelfeature not registered

🔉 Sound and multimedia

Asus Zenfone 5Z (ZS621KL 256GB)Redmi 5A (MCI3B 32GB)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263MP4, H.265, H.264, H.263, MKV, XviD
Audio formatsMP3, OGG, eAAC+, FLACMP3, WAV, OGG, eAAC+, FLAC

🔌 Connectivity

Asus Zenfone 5Z (ZS621KL 256GB)Redmi 5A (MCI3B 32GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoMicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth5.0 + A2DP/LE4.1 + A2DP
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz)
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging, GLONASS, BeiDou
NFCSupportedSupported
Infrared portNot supportedSupported

🧭 Sensors

Asus Zenfone 5Z (ZS621KL 256GB)Redmi 5A (MCI3B 32GB)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Asus Zenfone 5Z (ZS621KL 256GB)Redmi 5A (MCI3B 32GB)
Battery typeLi-Ion: lithium-ion (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity3300 mAh3000 mAh
Charger, watts18W (9V/2A) Wired fast chargingWired charging
Inductive / wireless chargingNot supportedfeature not registered
Talk time autonomy25 hours (1 days)feature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Asus Zenfone 5Z (ZS621KL 256GB)Redmi 5A (MCI3B 32GB)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Midnight Blue, Meteor Silver
• 2.5D curved glass screen
• 95% DCI-P3 coverage
• Supports glove touch
• ASUS ZenUI 5.0
• 24-bit/192kHz audio
• DTS sound (only headphones)
• Colors: Gold, Rose Gold, Dark Gray
• Aluminum body
• MIUI 9.0
• VoLTE

☢️ Radiation rate

Asus Zenfone 5Z (ZS621KL 256GB)Redmi 5A (MCI3B 32GB)
SAR 1.6W/kg (USA, Mexico, etc.)1.04W/kg (head), 0.37W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)1.2W/kg (head), 1.477W/kg (body)feature not registered
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