Asus Zenfone 3 (5.2 ZE520KL 16GB) vs Samsung Galaxy A02 (SM-A022M/DS 64GB)
Side by side comparison between Asus Zenfone 3 vs Samsung Galaxy A02 phones, differences, pros, cons and full specifications. What's the better?
,
5.2"
IPS+
IPS+
1080x1920
16
MP
MP
8mp
2GB
RAM
RAM
Octa-core
2650
mAh
mAh
(Non removable)
vs
6.5"
PLS
PLS
720x1600
13
MP
MP
5mp
3GB
RAM
RAM
Quad-core
5000
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone 3 (5.2 ZE520KL 16GB)
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!
20 Advantages 
10 Advantages | 19 Common items in both devices |
| eMMC 5.1 |
| 60Hz |
| 16 million |
| Only digital zoom |
| LDAF/PDAF: laser/phase detection autofocus / Autofocus |
| HDR photo on both cameras |
| (front) Full HD (1920x1080) |
| +12 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 3 (5.2 ZE520KL 16GB) | Galaxy A02 (SM-A022M/DS 64GB) | |
| Model | Zenfone 3 (5.2 ZE520KL 16GB) | Galaxy A02 (SM-A022M/DS 64GB) |
| Other model names | Zenfone 3 ZE520KL 2GB/16GB 5.2" Dual-SIM 1A090BR | Galaxy A02 SM-A022M/Dual-SIM (64GB + 3GB RAM) |
| Country or region available |      (Global, International), Brazil, China, Philippines, India |     (Latin America), Chile, Panama, Uruguay |
| Brand | Asus | Samsung |
| Release date | 7/12/2016 | 1/27/2021 |
| Depth | 7.7 millimeters (0.3 inches) | 9.1 millimeters (0.36 inches) |
| Size (width x height) | 73.98 x 146.87 millimeters (2.91 x 5.78 in) | 75.9 x 164 millimeters (2.99 x 6.46 in) |
| Weight | 144 grams (5.04 ounces) | 206 grams (7.21 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | Galaxy A02 (SM-A022M/DS 64GB) | |
| Display type | TFT Super IPS+ | TFT PLS |
| Screen size | 5.2" inches | 6.5" inches |
| Screen-to-body ratio | ~68.6% (screen-to-body ratio) | ~81.9% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels (16:9) | 720x1600 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 424 PPI | 270 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | 2.5D glass | Not supported |
🤖 Operating System | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | Galaxy A02 (SM-A022M/DS 64GB) | |
| 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) | Galaxy A02 (SM-A022M/DS 64GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 625 (MSM8953) (14nm) | 64bit: MediaTek MT6739 (28nm) |
| CPU | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core) | Quad-core, 1 processor: 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 506 (650MHz) | PowerVR GE8100 MP1 (570MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | Galaxy A02 (SM-A022M/DS 64GB) | |
| RAM memory | 2GB LPDDR3 | 3GB LPDDR3 |
| Internal storage | 16GB (10GB available) eMMC 5.1 | 64GB (50GB available) eMMC 5.1 |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | Galaxy A02 (SM-A022M/DS 64GB) | |
| 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 | 150/50 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 | Global: UMTS 850/900/1900/2100 India: UMTS 850/900/2100 Brazil: UMTS 850/900/1700/1900/2100 | 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 Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 17, 28, 66) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| 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) | Galaxy A02 (SM-A022M/DS 64GB) | |
| Back camera (main camera) | 16 megapixels | (dual camera) 13 megapixels 2MP macro f/2.4 |
| 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/1.9 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | LDAF/PDAF: laser/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 on both cameras |
| Camera extras | 4K@30fps 1080p@30/60fps | feature not registered |
📸 Front camera | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | Galaxy A02 (SM-A022M/DS 64GB) | |
| 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/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | Galaxy A02 (SM-A022M/DS 64GB) | |
| Loudspeaker | Mono sound (not stereo) 24-bit/192kHz | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM (RDS) | 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 (5.2 ZE520KL 16GB) | Galaxy A02 (SM-A022M/DS 64GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| 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 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | Galaxy A02 (SM-A022M/DS 64GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Face unlock Virtual proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | Galaxy A02 (SM-A022M/DS 64GB) | |
| 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 | 10W Wired charging |
| 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) | Galaxy A02 (SM-A022M/DS 64GB) | |
| 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: Black, Blue, Red • One UI 2.0 • Mono sound (not stereo) |
☢️ Radiation rate | ||
| Asus Zenfone 3 (5.2 ZE520KL 16GB) | Galaxy A02 (SM-A022M/DS 64GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.53W/kg (head), 0.74W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |