Samsung Galaxy S2 (SGH-i777 16GB) vs Xiaomi Redmi Note 9 Pro (India 64GB)
Side by side comparison between Samsung Galaxy S2 (SGH-i777) vs Xiaomi Redmi Note 9 Pro phones, differences, pros, cons and full specifications. What's the better?
,
4.3"
AMOLED
AMOLED
480x800
8
MP
MP
2mp
1GB
RAM
RAM
Dual-core
1650
mAh
mAh
(Removable)
vs
6.67"
IPS
IPS
1080x2400
48
MP
MP
16mp
4GB
RAM
RAM
Octa-core
5020
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Redmi Note 9 Pro (India 64GB)
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!
3 Advantages 
25 Advantages | 17 Common items in both devices |
| Plastic body, glass front / Plastic body, glass front/back |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| Capacitive |
| +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 | ||
| Galaxy S2 (SGH-i777 16GB) | Redmi Note 9 Pro (India 64GB) | |
| Model | Galaxy S2 (SGH-i777 16GB) | Redmi Note 9 Pro (India 64GB) |
| Other model names | AT&T Samsung Galaxy S II i777, Samsung Attain | Xiaomi Note 9 Pro (M2003J6A1I India version) 4GB RAM |
| Country or region available |  USA |  India |
| Brand | Samsung | Xiaomi |
| Release date | 10/2/2011 | 5/5/2020, Announced: 4/30/2020 |
| Depth | 8.9 millimeters (0.35 inches) | 8.8 millimeters (0.35 inches) |
| Size (width x height) | 66 x 126 millimeters (2.6 x 4.96 in) | 76.68 x 165.75 millimeters (3.02 x 6.53 in) |
| Weight | 122 grams (4.27 ounces) | 209 grams (7.32 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front/back |
| Protection against water and others | Not supported | P2i certified: water repellent nano-coating |
📲 Display | ||
| Galaxy S2 (SGH-i777 16GB) | Redmi Note 9 Pro (India 64GB) | |
| Display type | Super AMOLED Plus | TFT IPS LCD |
| Screen size | 4.3" inches | 6.67" inches |
| Screen-to-body ratio | ~63.3% (screen-to-body ratio) | ~84.5% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 217 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Gorilla Glass 5 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | 450nits[typ] |
🤖 Operating System | ||
| Galaxy S2 (SGH-i777 16GB) | Redmi Note 9 Pro (India 64GB) | |
| System version | Android 2.3.4 Gingerbread | Android 10 |
| Firmware update | Android 2.3.6 Gingerbread | Android 11 |
| User Interface | feature not registered | MIUI 11 / 12 |
⚙️ Processor | ||
| Galaxy S2 (SGH-i777 16GB) | Redmi Note 9 Pro (India 64GB) | |
| Chipset | 32bit: Samsung Exynos 4 Dual 4210 (45nm) | 64bit: Qualcomm Snapdragon 720G (SM7125) (8nm) |
| CPU | Dual-core, 1 processor: 2x 1.2GHz ARM Cortex-A9 (Dual-core) | Octa-core, 2 processors: 2x 2.3GHz Kryo 465 Gold (Dual-core) 6x 1.8GHz Kryo 465 Silver (Hexa-core) |
| GPU graphical controller | ARM Mali-400 MP4 | Qualcomm Adreno 618 (750MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 279625 (v8) Geekbench: 1785 (v5.1) GFXBench: 15fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Galaxy S2 (SGH-i777 16GB) | Redmi Note 9 Pro (India 64GB) | |
| RAM memory | 1GB LPDDR2 | 4GB LPDDR4X |
| Internal storage | 16GB (13GB available) | 64GB (50GB available) UFS 2.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S2 (SGH-i777 16GB) | Redmi Note 9 Pro (India 64GB) | |
| 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 | 21/5.76 Mbps | 800/150 Mbps |
| Network technology | 2G, 3G | 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 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat15/13 (1, 3, 5, 8, 20, 28) TD-LTE (40, 41) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat15/13 (1, 3, 5, 8, 20, 28) TD-LTE (40, 41) VoLTE |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Galaxy S2 (SGH-i777 16GB) | Redmi Note 9 Pro (India 64GB) | |
| Back camera (main camera) | 8 megapixels | (quad camera) 48 megapixels 8MP ultrawide f/2.213mm1/4"1.12µm119° 5MP macro f/2.41/5"1.12µmAF 2MP depth f/2.4 |
| Main camera resolution | 3264x2448 pixels | 8000x6000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | f/1.9 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/1.72" 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 | Supported |
| HDR | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | 4K@30fps 1080p@30/60fps 1080p@120fps (slow motion) 720p@960fps (slow motion) |
📸 Front camera | ||
| Galaxy S2 (SGH-i777 16GB) | Redmi Note 9 Pro (India 64GB) | |
| Front camera (secondary) | 2 megapixels | 16 megapixels |
| Front camera resolution | 1600x1200 pixels | 4608x3456 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.5 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3.06" inches |
| Pixel size | feature not registered | 1µm pixel |
🔉 Sound and multimedia | ||
| Galaxy S2 (SGH-i777 16GB) | Redmi Note 9 Pro (India 64GB) | |
| 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 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S2 (SGH-i777 16GB) | Redmi Note 9 Pro (India 64GB) | |
| 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) + MIMO WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, NavIC |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Supported |
🧭 Sensors | ||
| Galaxy S2 (SGH-i777 16GB) | Redmi Note 9 Pro (India 64GB) | |
| 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 (SGH-i777 16GB) | Redmi Note 9 Pro (India 64GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1650 mAh | 5020 mAh |
| Charger, watts | Wired charging | 18W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 8 hours | feature not registered |
| Standby | 400 hours (16.7 days) | feature not registered |
➕ Other features | ||
| Galaxy S2 (SGH-i777 16GB) | Redmi Note 9 Pro (India 64GB) | |
| 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 • Samsung TouchWiz 4.0 UI • Java framework | • Colors: Aurora Blue, Glacier White, Interstellar Black |
☢️ Radiation rate | ||
| Galaxy S2 (SGH-i777 16GB) | Redmi Note 9 Pro (India 64GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.9W/kg (head), 0.48W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |