Asus Zenfone 5Z (ZS621KL 128GB) vs Samsung Galaxy A3 Duos (SM-A300M/DS)
Side by side comparison between Asus Zenfone 5Z vs Samsung Galaxy A3 phones, differences, pros, cons and full specifications. What's the better?
,
6.2"
IPS
IPS
1080x2246
12
MP
MP
8mp
6GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
vs
4.5"
AMOLED
AMOLED
540x960
8
MP
MP
5mp
1GB
RAM
RAM
Quad-core
1900
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone 5Z (ZS621KL 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!
26 Advantages 
4 Advantages | 25 Common items in both devices |
| Aluminum frame, glass front/back / Aluminum body, glass front |
| 60Hz |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| 4G LTE-A / 4G LTE |
| Capacitive |
| +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 Clear highlight📱 Model features | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy A3 Duos (SM-A300M/DS) | |
| Model | Zenfone 5Z (ZS621KL 128GB) | Galaxy A3 Duos (SM-A300M/DS) |
| Other model names | Asus Zenfone 5z 6GB RAM (ZS621KL), ASUS_Z01RD | Galaxy A3 (4G LTE) SM-A300M/Dual-Sim |
| Country or region available |  India |  Brazil |
| Brand | Asus | Samsung |
| Release date | 6/1/2018 | 11/1/2014 |
| Depth | 7.9 millimeters (0.31 inches) | 6.9 millimeters (0.27 inches) |
| Size (width x height) | 75.65 x 153 millimeters (2.98 x 6.02 in) | 65.5 x 130.1 millimeters (2.58 x 5.12 in) |
| Weight | 165 grams (5.78 ounces) | 110 grams (3.85 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy A3 Duos (SM-A300M/DS) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 6.2" inches | 4.5" inches |
| Screen-to-body ratio | ~83.7% (screen-to-body ratio) | ~65.5% (screen-to-body ratio) |
| Display resolution | 1080x2246 pixels (18.7:9) | 540x960 pixels (16:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 402 PPI | 245 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Gorilla Glass 4 |
| Refresh rate | 60Hz | 60Hz |
| Display features | 550nits[typ] | Not supported |
🤖 Operating System | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy A3 Duos (SM-A300M/DS) | |
| System version | Android 8.0 Oreo | Android 4.4.4 KitKat |
| Firmware update | Android 10 | Android 6.0.1 Marshmallow |
| User Interface | feature not registered | TouchWiz UX |
⚙️ Processor | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy A3 Duos (SM-A300M/DS) | |
| Chipset | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) | 64bit: Qualcomm Snapdragon 410 (MSM8916) (28nm) |
| CPU | Octa-core, 2 processors: 4x 2.7GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core) | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 630 710Mhz | Qualcomm Adreno 306 (450MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy A3 Duos (SM-A300M/DS) | |
| RAM memory | 6GB LPDDR4X | 1GB LPDDR2 |
| Internal storage | 128GB (111GB available) UFS 2.1 | 16GB (12GB available) eMMC 4.5 |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 64GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy A3 Duos (SM-A300M/DS) | |
| 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 (hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 800/100 Mbps | 150/50 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 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat15 (Bands 1,2,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,39,40,41) | LTE Cat4 (1, 2, 4, 5, 7, 17) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| 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 5Z (ZS621KL 128GB) | Galaxy A3 Duos (SM-A300M/DS) | |
| Back camera (main camera) | (dual camera) 12 megapixels 8MP ultrawide f/2.012mm1/4"1.12µmFF | 8 megapixels |
| Main camera resolution | 4000x3000 pixels | 3264x2448 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.4 (aperture) |
| Focal length | 24mm (lens) | 31mm (lens) |
| Sensor size | 1/2.55" inches | feature not registered |
| Pixel size | 1.4µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | 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 only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy A3 Duos (SM-A300M/DS) | |
| Front camera (secondary) | 8 megapixels | 5 megapixels |
| Front camera resolution | 3264x2448 pixels | 2592x1944 pixels |
| Video recording (secondary) | Full HD (1920x1080) | WVGA (800x480) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | 24mm (lens) | 23mm (lens) |
| Sensor size | 1/4" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy A3 Duos (SM-A300M/DS) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263 | MP4, H.264, H.263, WMV |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy A3 Duos (SM-A300M/DS) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy A3 Duos (SM-A300M/DS) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy A3 Duos (SM-A300M/DS) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3300 mAh | 1900 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging | 3.5W (5V/0.7A) Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 25 hours (1 days) | 12 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy A3 Duos (SM-A300M/DS) | |
| 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: 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: Black, White, Blue, Silver, Pink, Gold • Java framework |
☢️ Radiation rate | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy A3 Duos (SM-A300M/DS) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.04W/kg (head), 0.37W/kg (body) | 0.52W/kg (head), 1.08W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 1.2W/kg (head), 1.477W/kg (body) | 0.342W/kg (head), 0.231W/kg (body) |