Xiaomi Redmi K30 Pro Zoom (128GB) vs Samsung Galaxy S2 Epic 4G Touch (SPH-D710)
Side by side comparison between Xiaomi Redmi K30 Pro Zoom 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
20mp
8GB
RAM
RAM
Octa-core
4700
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? Xiaomi Redmi K30 Pro Zoom (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!
29 Advantages 
4 Advantages | 19 Common items in both devices |
| Super AMOLED / Super AMOLED Plus |
| 16 million |
| PDAF: phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +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 | ||
| Redmi K30 Pro Zoom (128GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Model | Redmi K30 Pro Zoom (128GB) | Galaxy S2 Epic 4G Touch (SPH-D710) |
| Other model names | Xiaomi Redmi K30 Pro Zoom 5G (128GB + 8GB RAM) | Sprint Samsung Galaxy S II Epic 4G Touch, Samsung Within |
| Country or region available |  (Global, International) |  USA |
| Brand | Xiaomi | Samsung |
| Release date | 4/4/2020 | 9/16/2011 |
| Depth | 8.9 millimeters (0.35 inches) | 10 millimeters (0.39 inches) |
| Size (width x height) | 75.4 x 163.3 millimeters (2.97 x 6.43 in) | 70 x 130 millimeters (2.76 x 5.12 in) |
| Weight | 218 grams (7.63 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 | ||
| Redmi K30 Pro Zoom (128GB) | 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 | ~87.2% (screen-to-body ratio) | ~63.3% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 207 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Redmi K30 Pro Zoom (128GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| System version | Android 10 | Android 2.3.4 Gingerbread |
| Firmware update | feature not registered | Android 4.1.2 Jelly Bean |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Redmi K30 Pro Zoom (128GB) | 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 | ||
| Redmi K30 Pro Zoom (128GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| RAM memory | 8GB LPDDR5 | 1GB LPDDR2 |
| Internal storage | 128GB (107GB available) UFS 3.1 | 16GB |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Redmi K30 Pro Zoom (128GB) | 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 | 2000/150 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 | CDMA 800, GSM 850/900/1800/1900 | CDMA 800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO |
| Primary 4G network | LTE Cat20 (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE | WiMAX 802.16 |
| Primary 5G network | SA/NSA (Bands 1, 3, 41, 78, 79) | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, 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 | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Redmi K30 Pro Zoom (128GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Back camera (main camera) | (quad camera) 64 megapixels 8MP telephoto PDAFOIS3x-optical-zoom 13MP ultrawide 13mm 2MP depth | 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/1.9 (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 | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Digital and optical 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 | ||
| Redmi K30 Pro Zoom (128GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Front camera (secondary) | 20 megapixels | 2 megapixels |
| Front camera resolution | 5184x3840 pixels | 1600x1200 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | 27mm (lens) | feature not registered |
| Sensor size | 1/3.4" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Redmi K30 Pro Zoom (128GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Loudspeaker | Supported | 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 | ||
| Redmi K30 Pro Zoom (128GB) | 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 | Not supported | 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 | A-GPS, GeoTagging |
| NFC | Supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Redmi K30 Pro Zoom (128GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi K30 Pro Zoom (128GB) | Galaxy S2 Epic 4G Touch (SPH-D710) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4700 mAh | 1800 mAh |
| Charger, watts | 33W Wired fast charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | 8.8 hours |
| Standby | feature not registered | 252 hours (10.5 days) |
➕ Other features | ||
| Redmi K30 Pro Zoom (128GB) | 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: Grey, Purple, White, Blue • Display: 20:9, HDR10+, DCI-P3 100% • MIUI 11 • Motorized pop-up front camera • 24-bit/192kHz audio • Quick Charge 4+ • USB Power Delivery | • Colors: Black, White • TouchWiz UI 4.0 • Java framework |
☢️ Radiation rate | ||
| Redmi K30 Pro Zoom (128GB) | 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 |