Asus Zenfone 8 (256GB/8GB) vs Samsung Galaxy S2 Epic 4G Touch (SPH-D710)
Side by side comparison between Asus Zenfone 8 vs Samsung Galaxy S2 Epic 4G Touch phones, differences, pros, cons and full specifications. What's the better?
,
5.9"
AMOLED
AMOLED
1080x2400
64
MP
MP
12mp
8GB
RAM
RAM
Octa-core
4000
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 8 (256GB/8GB)
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!
30 Advantages 
4 Advantages | 17 Common items in both devices |
| Super AMOLED / Super AMOLED Plus |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| +10 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 8 (256GB/8GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Model | Zenfone 8 (256GB/8GB) | Galaxy S2 Epic 4G Touch (SPH-D710) |
| Other model names | Asus Zenfone 8 (ZS590KS, ZS590KS-2A007EU) | Sprint Samsung Galaxy S II Epic 4G Touch, Samsung Within |
| Country or region available |  (Global, International) |  USA |
| Brand | Asus | Samsung |
| Release date | 5/13/2021, Announced: 5/12/2021 | 9/16/2011 |
| Depth | 8.9 millimeters (0.35 inches) | 10 millimeters (0.39 inches) |
| Size (width x height) | 68.5 x 148 millimeters (2.7 x 5.83 in) | 70 x 130 millimeters (2.76 x 5.12 in) |
| Weight | 169 grams (5.92 ounces) | 130 grams (4.55 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| Asus Zenfone 8 (256GB/8GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Display type | Super AMOLED | Super AMOLED Plus |
| Screen size | 5.9" inches | 4.5" inches |
| Screen-to-body ratio | ~82.9% (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) | 446 PPI | 207 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Gorilla Glass |
| Refresh rate | 120Hz | 60Hz |
| Display features | 700nits[typ], 1100nits[peak] HDR10+ Always-On Display | Not supported |
🤖 Operating System | ||
| Asus Zenfone 8 (256GB/8GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| System version | Android 11 | Android 2.3.4 Gingerbread |
| Firmware update | Android 13 | Android 4.1.2 Jelly Bean |
| User Interface | ZenUI 8 / 9 / 10 | feature not registered |
⚙️ Processor | ||
| Asus Zenfone 8 (256GB/8GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Chipset | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) | 32bit: Samsung Exynos 4 Dual 4210 (45nm) |
| CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) | Dual-core, 1 processor: 2x 1.2GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 660 (840MHz) | ARM Mali-400 MP4 266Mhz |
| Performance (benchmark) | AnTuTu: 676001 (v8), 799738 (v9) Geekbench: 3604 (v5.1) GFXBench: 61fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone 8 (256GB/8GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| RAM memory | 8GB LPDDR5 | 1GB LPDDR2 |
| Internal storage | 256GB (228GB available) UFS 3.1 | 16GB |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone 8 (256GB/8GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | 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 Cat20 VoLTE America version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 30, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42) Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) | WiMAX 802.16 |
| Primary 5G network | America version: SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 25, 38, 40, 66, 71, 77, 78) Global version: 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 Cat20 VoLTE America version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 30, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42) Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
📷 Camera | ||
| Asus Zenfone 8 (256GB/8GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Back camera (main camera) | (dual camera) 64 megapixels 12MP ultrawide f/2.2112°14mm1/2.55"1.4µmPDAF | 8 megapixels |
| Main camera resolution | 10120x6328 pixels | 3264x2448 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.6 (aperture) |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/1.73" 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 | OIS (4-axis): Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital 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 8 (256GB/8GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Front camera (secondary) | 12 megapixels | 2 megapixels |
| Front camera resolution | 4000x3000 pixels | 1600x1200 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.5 (aperture) | feature not registered |
| Focal length | 28mm lens | feature not registered |
| Sensor size | 1/2.93" inches | feature not registered |
| Pixel size | 1.22µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Asus Zenfone 8 (256GB/8GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Loudspeaker | Stereo sound 32-bit/384kHz | Supported |
| 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, XviD, MKV | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone 8 (256GB/8GB) | 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 | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Micro-B USB MHL |
| Bluetooth | 5.2 + A2DP/LE | 3.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + 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 8 (256GB/8GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 8 (256GB/8GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4000 mAh | 1800 mAh |
| Charger, watts | 30W Wired fast charging 5W 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 8 (256GB/8GB) | 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: Obsidian Black, Horizon Silver | • Colors: Black, White • TouchWiz UI 4.0 • Java framework |
☢️ Radiation rate | ||
| Asus Zenfone 8 (256GB/8GB) | 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 |