Oppo R11s vs Samsung Galaxy A55 (SM-A556E/DS 128GB)
Side by side comparison between Oppo R11s vs Samsung Galaxy A55 phones, differences, pros, cons and full specifications. What's the better?
,
6.01"
AMOLED
AMOLED
1080x2160
16
MP
MP
20mp
4GB
RAM
RAM
Octa-core
3205
mAh
mAh
(Non removable)
vs
6.6"
AMOLED
AMOLED
1080x2340
50
MP
MP
32mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A55 (SM-A556E/DS 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!
7 Advantages 
25 Advantages | 22 Common items in both devices |
| Aluminum body, glass front / Aluminum frame, glass front/back |
| 16 million |
| LED flash |
| PDAF: phase detection autofocus |
| HDR photo on both cameras |
| 4K UHD (3840x2160) |
| Capacitive |
| +15 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 R11s | Galaxy A55 (SM-A556E/DS 128GB) | |
| Change model | ||
| Model | Oppo R11s | Galaxy A55 (SM-A556E/DS 128GB) |
| Other model names | Oppo R11s (4GB RAM), Oppo R11st | Galaxy A55 5G SM-A556E/Dual-SIM |
| Country or region available |      China, Hong Kong, Singapore, Taiwan, (Global, International) |   (Latin America), Brazil |
| Brand | Oppo | Samsung |
| Release date | 11/1/2017 | 3/15/2024, Announced: 3/11/2024 |
| Depth | 7.1 millimeters (0.28 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 75.5 x 155.1 millimeters (2.97 x 6.11 in) | 77.4 x 161.1 millimeters (3.05 x 6.34 in) |
| Weight | 153 grams (5.36 ounces) | 213 grams (7.46 ounces) |
| Build, materials | Aluminum body, glass front | Aluminum frame, glass front/back Back: Corning Gorilla Glass |
| Protection against water and others | Not supported | IP67 certified: dust proof and waterproof over 1 meter and 30min |
📲 Display | ||
| Oppo R11s | Galaxy A55 (SM-A556E/DS 128GB) | |
| Display type | AMOLED | Super AMOLED |
| Screen size | 6.01" inches | 6.6" inches |
| Screen-to-body ratio | ~79.6% (screen-to-body ratio) | ~85.8% (screen-to-body ratio) |
| Display resolution | 1080x2160 pixels | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 402 PPI | 390 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass Victus |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | HDR10+ Always-On Display |
🤖 Operating System | ||
| Oppo R11s | Galaxy A55 (SM-A556E/DS 128GB) | |
| System version | Android 7.1.1 Nougat | Android 14 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | One UI 6.1 |
⚙️ Processor | ||
| Oppo R11s | Galaxy A55 (SM-A556E/DS 128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 660 SDM660 (14nm) | 64bit: Samsung Exynos 1480 (4nm) |
| CPU | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) | Octa-core, 2 processors: 4x 2.75GHz ARM Cortex-A78 (Quad-core) 4x 2GHz ARM Cortex-A55 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 512 650Mhz | Samsung Xclipse 530 |
| Performance (benchmark) | feature not registered | AnTuTu: 635598 (v9), 726158 (v10) Geekbench: 3259 (v5), 3350 (v6) |
💽 Memory and storage | ||
| Oppo R11s | Galaxy A55 (SM-A556E/DS 128GB) | |
| RAM memory | 4GB LPDDR4X | 8GB LPDDR5 |
| Internal storage | 64GB (50GB available) eMMC 5.1 | 128GB (109GB available) UFS 3.1 |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Oppo R11s | Galaxy A55 (SM-A556E/DS 128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 600/150 Mbps | 3000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| 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 1,2,3,4,5,7,8,20,28) TD-LTE (Bands 38,39,40,41) | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (1, 3, 5, 7, 8, 26, 28, 40, 41, 66, 77, 78) |
| 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, SA/NSA, Sub6 |
| 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 R11s | Galaxy A55 (SM-A556E/DS 128GB) | |
| Back camera (main camera) | (dual camera) 16 megapixels 20MP f/1.71/2.8" | (triple camera) 50 megapixels 12MP ultrawide f/2.2123°1/3.06"1.12µm 5MP macro f/2.4 |
| Main camera resolution | 4608x3456 pixels | 8160x6120 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.8" inches | 1/1.56" inches |
| Pixel size | 1.12µm pixel | 1µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | 4K@30fps 1080p@30/60fps 720p@240fps (slow motion) |
📸 Front camera | ||
| Oppo R11s | Galaxy A55 (SM-A556E/DS 128GB) | |
| Front camera (secondary) | 20 megapixels | 32 megapixels |
| Front camera resolution | 5472x3648 pixels | 6528x4896 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/2.74" inches |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Oppo R11s | Galaxy A55 (SM-A556E/DS 128GB) | |
| Loudspeaker | Supported | Stereo sound |
| 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 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Oppo R11s | Galaxy A55 (SM-A556E/DS 128GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 4.2 + A2DP | 5.3 + 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/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Oppo R11s | Galaxy A55 (SM-A556E/DS 128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Oppo R11s | Galaxy A55 (SM-A556E/DS 128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3205 mAh | 5000 mAh |
| Charger, watts | Wired charging | 25W 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 R11s | Galaxy A55 (SM-A556E/DS 128GB) | |
| 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: Champagne, Black, Red • USB OTG On-The-Go • Aluminum body • ColorOS 3.2 • Facial recognition • Silicone case included • Fast battery charging • VOOC Flash Charge 5V/4A=20W • Miracast | • Colors: Navy, Iceblue, Lilac, Lemon |
☢️ Radiation rate | ||
| Oppo R11s | Galaxy A55 (SM-A556E/DS 128GB) | |
| 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 |