Asus Zenfone 7 (ZS670KS 128GB/6GB) vs Samsung Galaxy S2 Epic 4G Touch (SPH-D710)
Side by side comparison between Asus Zenfone 7 vs Samsung Galaxy S2 Epic 4G Touch phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
AMOLED
AMOLED
1080x2400
64
MP
MP
64mp
6GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
4.5"
AMOLED
AMOLED
480x800
8
MP
MP
2mp
1GB
RAM
RAM
Dual-core
1800
mAh
mAh
(Removable)
What's the better phone? Asus Zenfone 7 (ZS670KS 128GB/6GB)
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!
31 Advantages 
4 Advantages | 19 Common items in both devices |
| Super AMOLED / Super AMOLED Plus |
| 16 million |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| Capacitive |
| Multitouch |
| Accelerometer |
| +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 7 (ZS670KS 128GB/6GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Model | Zenfone 7 (ZS670KS 128GB/6GB) | Galaxy S2 Epic 4G Touch (SPH-D710) |
| Other model names | Asus Zenfone 7 ZS670KS, ASUS_I002D, I002D (6GB RAM) | Sprint Samsung Galaxy S II Epic 4G Touch, Samsung Within |
| Country or region available |  (Global, International) |  USA |
| Brand | Asus | Samsung |
| Release date | 9/1/2020, Announced: 8/26/2020 | 9/16/2011 |
| Depth | 9.6 millimeters (0.38 inches) | 10 millimeters (0.39 inches) |
| Size (width x height) | 77.3 x 165.1 millimeters (3.04 x 6.5 in) | 70 x 130 millimeters (2.76 x 5.12 in) |
| Weight | 235 grams (8.23 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 7 (ZS670KS 128GB/6GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Display type | Super AMOLED | Super AMOLED Plus |
| Screen size | 6.67" inches | 4.5" inches |
| Screen-to-body ratio | ~84.2% (screen-to-body ratio) | ~63.3% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 480x800 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 207 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 6 | Gorilla Glass |
| Refresh rate | 90Hz | 60Hz |
| Display features | 700nits[peak] HDR10+ | Not supported |
🤖 Operating System | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| System version | Android 10 | Android 2.3.4 Gingerbread |
| Firmware update | Android 12 | Android 4.1.2 Jelly Bean |
| User Interface | ZenUI 8 | feature not registered |
⚙️ Processor | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Chipset | 64bit: Qualcomm Snapdragon 865 (SM8250) (7nm) | 32bit: Samsung Exynos 4 Dual 4210 (45nm) |
| CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) | Dual-core, 1 processor: 2x 1.2GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 650 (250-587MHz) | ARM Mali-400 MP4 266Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| RAM memory | 6GB LPDDR5 | 1GB LPDDR2 |
| Internal storage | 128GB (104GB available) UFS 3.1 | 16GB |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 75/25 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Not supported |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800/1900 |
| Primary 3G network | UMTS 800/850/900/1700/1900/2100 | CDMA2000 1xEV-DO |
| Primary 4G network | LTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29) TD-LTE (38, 39, 40, 41) VoLTE | WiMAX 802.16 |
| Primary 5G network | SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, WiMAX |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 800/850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29) TD-LTE (38, 39, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
📷 Camera | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Back camera (main camera) | (triple camera) 64 megapixels 12MP ultrawide f/2.2113°17mm1/2.55"1.4µmPDAF 8MP telephoto f/2.480mmPDAF3x-optical-zoom | 8 megapixels |
| Main camera resolution | 10120x6328 pixels | 3264x2448 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.6 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/1.72" inches | 1/3.2" inches |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | Not supported |
| Camera extras | 4K@120fps 1080p@240fps 720p@480fps | feature not registered |
📸 Front camera | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Front camera (secondary) | Uses the back motorized camera (flip-up/rotating) | 2 megapixels |
| Front camera resolution | 10120x6328 pixels | 1600x1200 pixels |
| Video recording (secondary) | 8K UHD (7680x4320) | Not supported |
| Front flash | Dual-LED flash | Not supported |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/1.72" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Loudspeaker | Stereo sound 24-bit/192kHz | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | Type-C jack with 3.5mm jack adapter | 3.5mm jack |
| TV output | USB Type-C (reversible) | Micro-B USB MHL |
| Bluetooth | 5.1 + A2DP/LE | 3.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC | A-GPS, GeoTagging |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 5000 mAh | 1800 mAh |
| Charger, watts | 30W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 | Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | 8.8 hours |
| Standby | feature not registered | 252 hours (10.5 days) |
➕ Other features | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Aurora Black, Pastel White • Silicon case included | • Colors: Black, White • TouchWiz UI 4.0 Java framework |
☢️ Radiation rate | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |