Xiaomi Black Shark 4 (128GB/8GB) vs Samsung Galaxy S2 Skyrocket (SGH-i727)
Side by side comparison between Xiaomi Black Shark 4 vs Samsung Galaxy S2 Skyrocket phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
AMOLED
AMOLED
1080x2400
48
MP
MP
20mp
8GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
4.5"
AMOLED
AMOLED
480x800
8
MP
MP
2mp
1GB
RAM
RAM
Dual-core
1850
mAh
mAh
(Removable)
What's the better phone? Xiaomi Black Shark 4 (128GB/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!
25 Advantages 
5 Advantages | 16 Common items in both devices |
| Super AMOLED / Super AMOLED Plus |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| Capacitive |
| +9 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 | ||
| Xiaomi Black Shark 4 (128GB/8GB) | Galaxy S2 Skyrocket (SGH-i727) | |
| Model | Black Shark 4 (128GB/8GB) | Galaxy S2 Skyrocket (SGH-i727) |
| Other model names | 黑鲨4 SHARK PRS-A0, KSR-A0, PRS-H0 | AT&T Samsung Galaxy S II Skyrocket i727 |
| Country or region available |  (Global, International) |  USA |
| Brand | Xiaomi | Samsung |
| Release date | 3/30/2021, Announced: 3/23/2021 | 11/6/2011 |
| Depth | 9.9 millimeters (0.39 inches) | 9.4 millimeters (0.37 inches) |
| Size (width x height) | 76.35 x 163.83 millimeters (3.01 x 6.45 in) | 68.8 x 129.8 millimeters (2.71 x 5.11 in) |
| Weight | 210 grams (7.35 ounces) | 131 grams (4.59 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Xiaomi Black Shark 4 (128GB/8GB) | Galaxy S2 Skyrocket (SGH-i727) | |
| Display type | Super AMOLED | Super AMOLED Plus |
| Screen size | 6.67" inches | 4.5" inches |
| Screen-to-body ratio | ~85.9% (screen-to-body ratio) | ~64.5% (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 | Not supported | Not supported |
| Refresh rate | 144Hz | feature not registered |
| Display features | 1300nits[peak] HDR10+ Always-On Display Touch Sampling Rate: 720Hz | feature not registered |
🤖 Operating System | ||
| Xiaomi Black Shark 4 (128GB/8GB) | Galaxy S2 Skyrocket (SGH-i727) | |
| System version | Android 11 | Android 2.3.5 Gingerbread |
| Firmware update | Android 12 | Android 4.1.2 Jelly Bean |
| User Interface | Joy UI 12 / 13 | feature not registered |
⚙️ Processor | ||
| Xiaomi Black Shark 4 (128GB/8GB) | Galaxy S2 Skyrocket (SGH-i727) | |
| Chipset | 64bit: Qualcomm Snapdragon 870 (SM8250-AC) (7nm) | 32bit: Qualcomm Snapdragon S3 MSM8260 |
| CPU | Octa-core, 3 processors: 1x 3.2GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) | Dual-core, 1 processor: 2x 1.5GHz Scorpion (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 650 (670MHz) | Qualcomm Adreno 220 |
| Performance (benchmark) | AnTuTu: 617456 (v8) Geekbench: 3448 (v5.1) GFXBench: 54fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Xiaomi Black Shark 4 (128GB/8GB) | Galaxy S2 Skyrocket (SGH-i727) | |
| RAM memory | 8GB LPDDR5 | 1GB LPDDR2 |
| Internal storage | 128GB (103GB available) UFS 3.1 | 16GB |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi Black Shark 4 (128GB/8GB) | Galaxy S2 Skyrocket (SGH-i727) | |
| 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 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 800/850/900/1700/1900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE | LTE Cat2 (Bands 4, 17) |
| Primary 5G network | SA/NSA (1, 3, 8, 28, 41, 77, 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 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| 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 Cat18 (1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
| Xiaomi Black Shark 4 (128GB/8GB) | Galaxy S2 Skyrocket (SGH-i727) | |
| Back camera (main camera) | (triple camera) 48 megapixels 8MP ultrawide f/2.2120°1/4"1.12µm 5MP macro f/2.4AF | 8 megapixels |
| Main camera resolution | 8000x6000 pixels | 3264x2448 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/2" inches | feature not registered |
| 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 | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | 4K@30/60fps 1080p@30/60fps 1080p@240/960fps (slow motion) | feature not registered |
📸 Front camera | ||
| Xiaomi Black Shark 4 (128GB/8GB) | Galaxy S2 Skyrocket (SGH-i727) | |
| Front camera (secondary) | 20 megapixels | 2 megapixels |
| Front camera resolution | 5184x3840 pixels | 1600x1200 pixels |
| Video recording (secondary) | Full HD (1920x1080) | VGA (640x480) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi Black Shark 4 (128GB/8GB) | Galaxy S2 Skyrocket (SGH-i727) | |
| Loudspeaker | Stereo sound with dual speakers 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 | ||
| Xiaomi Black Shark 4 (128GB/8GB) | Galaxy S2 Skyrocket (SGH-i727) | |
| 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 [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 | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Xiaomi Black Shark 4 (128GB/8GB) | Galaxy S2 Skyrocket (SGH-i727) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Black Shark 4 (128GB/8GB) | Galaxy S2 Skyrocket (SGH-i727) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4500 mAh | 1850 mAh |
| Charger, watts | 120W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 7 hours |
| Standby | feature not registered | 256 hours (10.7 days) |
➕ Other features | ||
| Xiaomi Black Shark 4 (128GB/8GB) | Galaxy S2 Skyrocket (SGH-i727) | |
| 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: Black, Pale Grey, Blue, Silver • Liquid Cooling System • Physical pop-up gaming triggers | • Colors: Black, White • Samsung TouchWiz 4.0 UI • HAC M3/T3 • Java framework |
☢️ Radiation rate | ||
| Xiaomi Black Shark 4 (128GB/8GB) | Galaxy S2 Skyrocket (SGH-i727) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.3W/kg (head), 0.85W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.197W/kg (head) |