Oppo R11 (64GB/4GB) vs Samsung Galaxy A21s (SM-A217M)
Side by side comparison between Oppo R11 vs Samsung Galaxy A21s phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
AMOLED
AMOLED
1080x1920
16
MP
MP
20mp
4GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
vs
6.5"
PLS
PLS
720x1600
48
MP
MP
13mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Oppo R11 (64GB/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!
23 Common items in both devices |
4GB LPDDR4 / 4GB LPDDR4X |
64GB (50GB available) / 64GB (48GB available) |
eMMC 5.1 |
16 million |
LED flash |
PDAF: phase detection autofocus |
EIS: Digital stabilization |
+16 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 | ||
Oppo R11 (64GB/4GB) | Galaxy A21s (SM-A217M) | |
Model | R11 (64GB/4GB) | Galaxy A21s (SM-A217M) |
Other model names | Oppo R11 (4GB RAM), Oppo R11t, Oppo CPH1707 | Galaxy A21s SM-A217M Single-Sim (64GB + 4GB RAM) |
Country or region available | ![]() ![]() ![]() ![]() ![]() ![]() ![]() Australia, China, Hong Kong, New Zealand, Singapore, Taiwan, (Global, International) | ![]() ![]() (Latin America), Mexico |
Brand | Oppo | Samsung |
Release date | 6/10/2017 | 6/2/2020, Announced: 5/15/2020 |
Depth | 6.8 millimeters (0.27 inches) | 8.9 millimeters (0.35 inches) |
Size (width x height) | 74.8 x 154.5 millimeters (2.94 x 6.08 in) | 75.3 x 163.7 millimeters (2.96 x 6.44 in) |
Weight | 150 grams (5.25 ounces) | 192 grams (6.72 ounces) |
Build, materials | Aluminum body, glass front | Plastic body, glass front |
Protection against water and others | Not supported | Not supported |
📲 Display | ||
Oppo R11 (64GB/4GB) | Galaxy A21s (SM-A217M) | |
Display type | AMOLED | TFT PLS |
Screen size | 5.5" inches | 6.5" inches |
Screen-to-body ratio | ~72.2% (screen-to-body ratio) | ~82.8% (screen-to-body ratio) |
Display resolution | 1080x1920 pixels | 720x1600 pixels (20:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 401 PPI | 270 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass 5 | Not supported |
Refresh rate | feature not registered | 60Hz |
Display features | feature not registered | Not supported |
🤖 Operating System | ||
Oppo R11 (64GB/4GB) | Galaxy A21s (SM-A217M) | |
System version | Android 7.1.1 Nougat | Android 10 |
Firmware update | feature not registered | Android 12 |
User Interface | feature not registered | One UI 2.0 / 3.1 / 4.1 |
⚙️ Processor | ||
Oppo R11 (64GB/4GB) | Galaxy A21s (SM-A217M) | |
Chipset | 64bit: Qualcomm Snapdragon 660 SDM660 (14nm) | 64bit: Samsung Exynos 850 (8nm) |
CPU | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A55 (Octa-core) |
GPU graphical controller | Qualcomm Adreno 512 650Mhz | ARM Mali-G52 MP1 |
Performance (benchmark) | feature not registered | AnTuTu: 124232 (v8) |
💽 Memory and storage | ||
Oppo R11 (64GB/4GB) | Galaxy A21s (SM-A217M) | |
RAM memory | 4GB LPDDR4 | 4GB LPDDR4X |
Internal storage | 64GB (50GB available) eMMC 5.1 | 64GB (48GB available) eMMC 5.1 |
External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
Oppo R11 (64GB/4GB) | Galaxy A21s (SM-A217M) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Not supported |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 600/150 Mbps | 300/150 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 | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
Primary 4G network | LTE Cat12 (Bands 1,3,4,5,7,8,20,28) TD-LTE (Bands 38,39,40,41) | LTE Cat7/13 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66) TD-LTE (38, 40, 41) |
Primary 5G network | Not supported | 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 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
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 | ||
Oppo R11 (64GB/4GB) | Galaxy A21s (SM-A217M) | |
Back camera (main camera) | (dual camera) 16 megapixels 20MP f/2.61/2.8" | (quad camera) 48 megapixels 8MP ultrawide f/2.21/4"1.12µm123° 2MP macro f/2.4 2MP depth f/2.4 |
Main camera resolution | 4608x3456 pixels | 8000x6000 pixels |
Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
Flash | LED flash | LED flash |
Focal aperture | f/1.7 (aperture) | f/2.0 (aperture) |
Focal length | feature not registered | 26mm lens |
Sensor size | 1/2.8" inches | 1/2" inches |
Pixel size | 1.12µm pixel | 0.8µm pixel |
Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
Touch focus | Supported | Supported |
Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
Zoom | Digital and optical zoom | Only digital zoom |
Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
BSI sensor | Not supported | Not supported |
HDR | HDR photo on both cameras | HDR photo on both cameras |
Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
Oppo R11 (64GB/4GB) | Galaxy A21s (SM-A217M) | |
Front camera (secondary) | 20 megapixels | 13 megapixels |
Front camera resolution | 5472x3648 pixels | 4128x3096 pixels |
Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
Front flash | Not supported | Not supported |
Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
Focal length | feature not registered | feature not registered |
Sensor size | feature not registered | 1/3.1" inches |
Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
Oppo R11 (64GB/4GB) | Galaxy A21s (SM-A217M) | |
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.265, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
Oppo R11 (64GB/4GB) | Galaxy A21s (SM-A217M) | |
USB | MicroUSB 2.0 | USB 2.0 Type-C reversible connector |
Audio output | 3.5mm jack | 3.5mm jack |
TV output | Not supported | Not supported |
Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
DLNA | Not supported | Not supported |
GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
NFC | Not supported | Not supported |
Infrared port | Not supported | Not supported |
🧭 Sensors | ||
Oppo R11 (64GB/4GB) | Galaxy A21s (SM-A217M) | |
Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor | Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor Virtual ambient light sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Oppo R11 (64GB/4GB) | Galaxy A21s (SM-A217M) | |
Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 3000 mAh | 5000 mAh |
Charger, watts | Wired charging | 15W (9V/1.67A) Wired fast charging |
Inductive / wireless charging | feature not registered | Not supported |
Talk time autonomy | feature not registered | feature not registered |
Standby | feature not registered | feature not registered |
➕ Other features | ||
Oppo R11 (64GB/4GB) | Galaxy A21s (SM-A217M) | |
Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
Messaging | SMS (T9), 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, HTML5 | HTML, XHTML, HTML5 |
Antenna | Internal antenna | Internal antenna |
Qwerty physical keyboard | Not supported | Not supported |
Miscellaneous | • Colors: Black, Gold, Rose Gold, Red • USB OTG On-The-Go • Aluminum body • ColorOS 3.1 • Silicone case included • Fast battery charging • VOOC Flash Charge • Miracast | • Colors: Black, White, Blue, Red |
☢️ Radiation rate | ||
Oppo R11 (64GB/4GB) | Galaxy A21s (SM-A217M) | |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.54W/kg (head), 1.14W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |