Asus Zenfone 5Z (ZS621KL 128GB) vs Samsung Galaxy S4 Value Edition (GT-i9515L)
Side by side comparison between Asus Zenfone 5Z vs Samsung Galaxy S4 Value Edition 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
5"
AMOLED
AMOLED
1080x1920
13
MP
MP
2.1mp
2GB
RAM
RAM
Quad-core
2600
mAh
mAh
(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 
8 Advantages | 25 Common items in both devices |
| 7.9 millimeters (0.31 inches) |
| 60Hz |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| (front) Full HD (1920x1080) |
| 4G LTE-A / 4G LTE |
| +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 S4 Value Edition (GT-i9515L) | |
| Model | Zenfone 5Z (ZS621KL 128GB) | Galaxy S4 Value Edition (GT-i9515L) |
| Other model names | Asus Zenfone 5z 6GB RAM (ZS621KL), ASUS_Z01RD | Galaxy S4 GT-i9515L, Galaxy S4 VE, Samsung Altius |
| Country or region available |  India |  (Latin America) |
| Brand | Asus | Samsung |
| Release date | 6/1/2018 | 4/1/2014, Announced: 3/15/2013 |
| Depth | 7.9 millimeters (0.31 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 75.65 x 153 millimeters (2.98 x 6.02 in) | 69.8 x 136.6 millimeters (2.75 x 5.38 in) |
| Weight | 165 grams (5.78 ounces) | 130 grams (4.55 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy S4 Value Edition (GT-i9515L) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 6.2" inches | 5" inches |
| Screen-to-body ratio | ~83.7% (screen-to-body ratio) | ~72.3% (screen-to-body ratio) |
| Display resolution | 1080x2246 pixels (18.7:9) | 1080x1920 pixels (16:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 402 PPI | 441 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Gorilla Glass 3 |
| Refresh rate | 60Hz | 60Hz |
| Display features | 550nits[typ] | Not supported |
🤖 Operating System | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy S4 Value Edition (GT-i9515L) | |
| System version | Android 8.0 Oreo | Android 4.2.2 Jelly Bean |
| Firmware update | Android 10 | Android 5.0.1 Lollipop |
| User Interface | feature not registered | TouchWiz UI |
⚙️ Processor | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy S4 Value Edition (GT-i9515L) | |
| Chipset | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) | 32bit: Qualcomm Snapdragon 600 (APQ8064AB) (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 1.9GHz Krait 300 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 630 710Mhz | Qualcomm Adreno 320 (450MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy S4 Value Edition (GT-i9515L) | |
| RAM memory | 6GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 128GB (111GB available) UFS 2.1 | 16GB (9GB available) eMMC 4.5 |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy S4 Value Edition (GT-i9515L) | |
| 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 | 800/100 Mbps | 100/50 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 850/900/1700/1900/2100 |
| 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 Cat3 (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 | 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 (ZS621KL 128GB) | Galaxy S4 Value Edition (GT-i9515L) | |
| Back camera (main camera) | (dual camera) 12 megapixels 8MP ultrawide f/2.012mm1/4"1.12µmFF | 13 megapixels |
| Main camera resolution | 4000x3000 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/1.8 (aperture) | f/2.2 (aperture) |
| Focal length | 24mm (lens) | 31mm (lens) |
| Sensor size | 1/2.55" inches | 1/3.1" inches |
| Pixel size | 1.4µm pixel | 1.14µm pixel |
| 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 | Supported |
| HDR | HDR photo on both cameras | HDR photo/video only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy S4 Value Edition (GT-i9515L) | |
| Front camera (secondary) | 8 megapixels | 2.1 megapixels |
| Front camera resolution | 3264x2448 pixels | 1920x1080 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.4 (aperture) |
| Focal length | 24mm (lens) | 31mm (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 S4 Value Edition (GT-i9515L) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263 | MP4, DivX, XviD, H.263, H.264, WMV |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, AC3, FLAC |
🔌 Connectivity | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy S4 Value Edition (GT-i9515L) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Micro-B USB MHL |
| 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 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy S4 Value Edition (GT-i9515L) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor ANT+ Barometer Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy S4 Value Edition (GT-i9515L) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 3300 mAh | 2600 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging | 10W (5V/2A) Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 25 hours (1 days) | 17 hours |
| Standby | feature not registered | 350 hours (14.6 days) |
➕ Other features | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy S4 Value Edition (GT-i9515L) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), 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: White Frost, Black Mist • Dual Shot camera • mDNIe • S-Voice • Group Play • Smart Stay eye tracking • Dropbox (50GB) |
☢️ Radiation rate | ||
| Asus Zenfone 5Z (ZS621KL 128GB) | Galaxy S4 Value Edition (GT-i9515L) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.04W/kg (head), 0.37W/kg (body) | 0.78W/kg (head), 0.9W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 1.2W/kg (head), 1.477W/kg (body) | 0.424W/kg (head), 0.302W/kg (body) |