Asus Zenfone 5Z (ZS620KL 128GB) vs ZTE Concord II
Side by side comparison between Asus Zenfone 5Z vs ZTE Concord II phones, differences, pros, cons and full specifications. What's the better?
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6.2"
IPS
IPS
1080x2246
12
MP
MP
8mp
6GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
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What's the better phone? Asus Zenfone 5Z (ZS620KL 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!
28 Advantages 
2 Advantages | 13 Common items in both devices |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +6 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 (ZS620KL 128GB) | ZTE Concord II | |
| Model | Zenfone 5Z (ZS620KL 128GB) | Concord II |
| Other model names | Asus Zenfone 5z 6GB RAM, ASUS_Z01RD | MetroPCS ZTE Concord 2 Z730, ZTE Z730 |
| Country or region available |  (Global, International) | feature not registered |
| Brand | Asus | ZTE |
| Release date | 6/1/2018 | 5/1/2014 |
| Depth | 7.9 millimeters (0.31 inches) | 11 millimeters (0.43 inches) |
| Size (width x height) | 75.65 x 153 millimeters (2.98 x 6.02 in) | 65 x 126 millimeters (2.56 x 4.96 in) |
| Weight | 165 grams (5.78 ounces) | 125 grams (4.38 ounces) |
| Build, materials | Aluminum frame, glass front/back | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone 5Z (ZS620KL 128GB) | ZTE Concord II | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 6.2" inches | 4" inches |
| Screen-to-body ratio | ~83.7% (screen-to-body ratio) | ~55.6% (screen-to-body ratio) |
| Display resolution | 1080x2246 pixels (18.7:9) | 480x800 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 402 PPI | 233 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Gorilla Glass 2 |
| Refresh rate | 60Hz | feature not registered |
| Display features | 550nits[typ] | feature not registered |
🤖 Operating System | ||
| Asus Zenfone 5Z (ZS620KL 128GB) | ZTE Concord II | |
| System version | Android 8.0 Oreo | Android 4.3 Jelly Bean |
| Firmware update | Android 10 | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Asus Zenfone 5Z (ZS620KL 128GB) | ZTE Concord II | |
| Chipset | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) | 32bit: Qualcomm Snapdragon 200 MSM8210 |
| CPU | Octa-core, 2 processors: 4x 2.7GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core) | Dual-core, 1 processor: 2x 1.2GHz ARM Cortex-A7 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 630 710Mhz | Qualcomm Adreno 302 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone 5Z (ZS620KL 128GB) | ZTE Concord II | |
| RAM memory | 6GB LPDDR4X | 1GB LPDDR2 |
| Internal storage | 128GB (111GB available) UFS 2.1 | 4GB (1.49GB available) |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone 5Z (ZS620KL 128GB) | ZTE Concord II | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 1200/100 Mbps | 21/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| 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 | A version: UMTS 800/850/900/1800/1900/2100 B version (USA): UMTS 800/850/900/1800/1900/2100 C version: UMTS 850/900/2100 | UMTS 850/1900 |
| Primary 4G network | LTE Cat15/Cat18 A version: LTE Cat15 (Bands 1,2,3,5,7,8,18,19,20,26,28,32) TD-LTE (Bands 34,38,39,40,41) B version (USA): LTE Cat18 (Bands 1,2,3,5,7,8,18,19,28) TD-LTE (Bands 38,39,41) C version: LTE Cat18 (Bands 1,3,5,7,8,20) TD-LTE (Band 40) | Not supported |
| 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+ |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Asus Zenfone 5Z (ZS620KL 128GB) | ZTE Concord II | |
| Back camera (main camera) | (dual camera) 12 megapixels 8MP ultrawide f/2.012mm1/4"1.12µmFF | 5 megapixels |
| Main camera resolution | 4000x3000 pixels | 2592x1944 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | HD (1280x720) |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 24mm lens | feature not registered |
| 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 | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Asus Zenfone 5Z (ZS620KL 128GB) | ZTE Concord II | |
| Front camera (secondary) | 8 megapixels | Not supported |
| Front camera resolution | 3264x2448 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | 24mm lens | feature not registered |
| Sensor size | 1/4" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Asus Zenfone 5Z (ZS620KL 128GB) | ZTE Concord II | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263 | MP4, H.264, H.263, 3GP |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, WMA, AAC+ |
🔌 Connectivity | ||
| Asus Zenfone 5Z (ZS620KL 128GB) | ZTE Concord II | |
| 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) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone 5Z (ZS620KL 128GB) | ZTE Concord II | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 5Z (ZS620KL 128GB) | ZTE Concord II | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Removable) |
| Battery capacity | 3300 mAh | 1820 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 25 hours (1 days) | 6 hours |
| Standby | feature not registered | 250 hours (10.4 days) |
➕ Other features | ||
| Asus Zenfone 5Z (ZS620KL 128GB) | ZTE Concord II | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML |
| 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 • LED notification • HAC M3/T3 • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| Asus Zenfone 5Z (ZS620KL 128GB) | ZTE Concord II | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.16W/kg (head), 0.89W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 1.16W/kg (head), 1.59W/kg (body) | feature not registered |