Samsung Galaxy S2 Skyrocket (SGH-i727) vs Umidigi A11 Pro Max (128GB/4GB)
Side by side comparison between Samsung Galaxy S2 Skyrocket vs Umidigi A11 Pro Max phones, differences, pros, cons and full specifications. What's the better?
,
4.5"
AMOLED
AMOLED
480x800
8
MP
MP
2mp
1GB
RAM
RAM
Dual-core
1850
mAh
mAh
(Removable)
vs
6.8"
IPS
IPS
1080x2460
48
MP
MP
24mp
4GB
RAM
RAM
Octa-core
5150
mAh
mAh
(Non removable)
What's the better phone? Umidigi A11 Pro Max (128GB/4GB)
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!
4 Advantages 
25 Advantages | 16 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| Full HD (1920x1080) |
| 4G LTE / 4G LTE-A |
| 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 | ||
| Galaxy S2 Skyrocket (SGH-i727) | Umidigi A11 Pro Max (128GB/4GB) | |
| Change model | ||
| Model | Galaxy S2 Skyrocket (SGH-i727) | A11 Pro Max (128GB/4GB) |
| Other model names | AT&T Samsung Galaxy S II Skyrocket i727 | UMIDIGI A11 Pro Max (4GB RAM) |
| Country or region available |  USA |  (Global, International) |
| Brand | Samsung | Umidigi |
| Release date | 11/6/2011 | 8/1/2021 |
| Depth | 9.4 millimeters (0.37 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 68.8 x 129.8 millimeters (2.71 x 5.11 in) | 75.6 x 167.8 millimeters (2.98 x 6.61 in) |
| Weight | 131 grams (4.59 ounces) | 225 grams (7.88 ounces) |
| Build, materials | Plastic body, glass front | Aluminum body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy S2 Skyrocket (SGH-i727) | Umidigi A11 Pro Max (128GB/4GB) | |
| Display type | Super AMOLED Plus | TFT IPS LCD |
| Screen size | 4.5" inches | 6.8" inches |
| Screen-to-body ratio | ~64.5% (screen-to-body ratio) | ~86.6% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 1080x2460 pixels (20.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 207 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Galaxy S2 Skyrocket (SGH-i727) | Umidigi A11 Pro Max (128GB/4GB) | |
| System version | Android 2.3.5 Gingerbread | Android 11 |
| Firmware update | Android 4.1.2 Jelly Bean | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy S2 Skyrocket (SGH-i727) | Umidigi A11 Pro Max (128GB/4GB) | |
| Chipset | 32bit: Qualcomm Snapdragon S3 MSM8260 | 64bit: MediaTek Helio G80 (MT6769V/CU) (12nm) |
| CPU | Dual-core, 1 processor: 2x 1.5GHz Scorpion (Dual-core) | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A75 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 220 | ARM Mali-G52 MC2 (950MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 194559 (v9) |
💽 Memory and storage | ||
| Galaxy S2 Skyrocket (SGH-i727) | Umidigi A11 Pro Max (128GB/4GB) | |
| RAM memory | 1GB LPDDR2 | 4GB LPDDR4X |
| Internal storage | 16GB | 128GB (108GB available) eMMC 5.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S2 Skyrocket (SGH-i727) | Umidigi A11 Pro Max (128GB/4GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 75/25 Mbps | 600/150 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 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat2 (Bands 4, 17) | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | 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 |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41) VoLTE |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Galaxy S2 Skyrocket (SGH-i727) | Umidigi A11 Pro Max (128GB/4GB) | |
| Back camera (main camera) | 8 megapixels | (triple camera) 48 megapixels 16MP ultrawide f/2.2120° 2MP macro f/2.4 |
| Main camera resolution | 3264x2448 pixels | 8000x6000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/2" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Autofocus | PDAF: phase detection 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 | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | Sony IMX582 sensor Infrared temperature sensor |
📸 Front camera | ||
| Galaxy S2 Skyrocket (SGH-i727) | Umidigi A11 Pro Max (128GB/4GB) | |
| Front camera (secondary) | 2 megapixels | 24 megapixels |
| Front camera resolution | 1600x1200 pixels | 5632x4224 pixels |
| Video recording (secondary) | VGA (640x480) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy S2 Skyrocket (SGH-i727) | Umidigi A11 Pro Max (128GB/4GB) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S2 Skyrocket (SGH-i727) | Umidigi A11 Pro Max (128GB/4GB) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL | USB Type-C (reversible) |
| Bluetooth | 3.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S2 Skyrocket (SGH-i727) | Umidigi A11 Pro Max (128GB/4GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S2 Skyrocket (SGH-i727) | Umidigi A11 Pro Max (128GB/4GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1850 mAh | 5150 mAh |
| Charger, watts | Wired charging | 10W Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 7 hours | feature not registered |
| Standby | 256 hours (10.7 days) | feature not registered |
➕ Other features | ||
| Galaxy S2 Skyrocket (SGH-i727) | Umidigi A11 Pro Max (128GB/4GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (Swype), MMS, E-mail, Push mail | SMS (T9), 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, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White • Samsung TouchWiz 4.0 UI • HAC M3/T3 • Java framework | • Colors: Frost Grey, Mist Blue |
☢️ Radiation rate | ||
| Galaxy S2 Skyrocket (SGH-i727) | Umidigi A11 Pro Max (128GB/4GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.3W/kg (head), 0.85W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.197W/kg (head) | feature not registered |