OnePlus 8 (128GB) vs Samsung Galaxy A15 (SM-A155F/DSN 128GB/4GB)
Side by side comparison between OnePlus 8 vs Samsung Galaxy A15 phones, differences, pros, cons and full specifications. What's the better?
,
6.55"
AMOLED
AMOLED
1080x2400
48
MP
MP
16mp
8GB
RAM
RAM
Octa-core
4300
mAh
mAh
(Non removable)
vs
6.5"
AMOLED
AMOLED
1080x2340
50
MP
MP
13mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? OnePlus 8 (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!
25 Advantages 
6 Advantages | 21 Common items in both devices |
| 128GB (106GB available) / 128GB (108GB available) |
| Fluid AMOLED / Super AMOLED |
| 90Hz |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| HDR photo/video and HDR photo on front camera / HDR photo on both cameras |
| +14 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 | ||
| OnePlus 8 (128GB) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| Model | OnePlus 8 (128GB) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) |
| Other model names | OnePlus 8 5G (128GB+8GB RAM) | Galaxy A15 4G LTE SM-A155F/Dual-SIM NFC |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | OnePlus | Samsung |
| Release date | 4/21/2020, Announced: 4/14/2020 | 12/16/2023, Announced: 12/11/2023 |
| Depth | 8 millimeters (0.31 inches) | 8.4 millimeters (0.33 inches) |
| Size (width x height) | 72.9 x 160.2 millimeters (2.87 x 6.31 in) | 76.8 x 160.1 millimeters (3.02 x 6.3 in) |
| Weight | 180 grams (6.3 ounces) | 200 grams (7 ounces) |
| Build, materials | Aluminum frame, glass front/back Back: Gorilla Glass 5 | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| OnePlus 8 (128GB) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| Display type | Fluid AMOLED | Super AMOLED |
| Screen size | 6.55" inches | 6.5" inches |
| Screen-to-body ratio | ~88.7% (screen-to-body ratio) | ~84.3% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 402 PPI | 396 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 90Hz | 90Hz |
| Display features | 1100nits[peak] HDR10+ | 800nits[peak] |
🤖 Operating System | ||
| OnePlus 8 (128GB) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| System version | Android 10 | Android 14 |
| Firmware update | Android 13 | feature not registered |
| User Interface | OxygenOS 10 / 11 / 12 / 13 | One UI 6.1 |
⚙️ Processor | ||
| OnePlus 8 (128GB) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 865 (SM8250) (7nm) | 64bit: MediaTek Helio G99 (6nm) |
| CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 650 (250-587MHz) | ARM Mali-G57 MC2 |
| Performance (benchmark) | AnTuTu: 564708 (v8) Geekbench: 13291 (v4.4), 3399 (v5.1) GFXBench: 46fps (ES 3.1 onscreen) | AnTuTu: 317085 (v9), 375321 (v10) Geekbench: 1928 (v5), 1936 (v6) |
💽 Memory and storage | ||
| OnePlus 8 (128GB) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| RAM memory | 8GB LPDDR4X | 4GB LPDDR4X |
| Internal storage | 128GB (106GB available) UFS 3.0 | 128GB (108GB available) eMMC 5.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| OnePlus 8 (128GB) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | 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) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 300/150 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 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 800/850/900/1700/1800/1900/2100 | UMTS 850/900/2100 |
| Primary 4G network | LTE Cat18 VoLTE Europe model: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (34, 38, 39, 40, 41, 42, 46) America model: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (34, 38, 39, 40, 41, 46, 48) India model: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41, 46) China model: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41) | LTE Cat7 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | SA/NSA Europe model: (1, 3, 7, 28, 78) America model: (2, 5, 41, 66, 71) India model: (78) China model: (41, 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+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 800/850/900/1700/1800/1900/2100 | UMTS 850/900/2100 |
| Secondary 4G network | LTE Cat18 VoLTE | LTE Cat7 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| OnePlus 8 (128GB) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| Back camera (main camera) | (triple camera) 48 megapixels 16MP ultrawide f/2.213mmPDAF 2MP macro f/2.4 | (triple camera) 50 megapixels 5MP ultrawide f/2.2 2MP macro f/2.4 |
| Main camera resolution | 8000x6000 pixels | 8160x6120 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 25mm 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 | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo/video and HDR photo on front camera | HDR photo on both cameras |
| Camera extras | 4K@30/60fps 1080p@30/60fps 1080p@240fps (slow motion) | 1080p@30fps 720p@120fps (slow motion) |
📸 Front camera | ||
| OnePlus 8 (128GB) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| Front camera (secondary) | 16 megapixels | 13 megapixels |
| Front camera resolution | 4608x3456 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/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| OnePlus 8 (128GB) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| Loudspeaker | Stereo sound Dolby Atmos | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, 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 | ||
| OnePlus 8 (128GB) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.1 + A2DP/LE | 5.3 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, SBAS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| OnePlus 8 (128GB) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Virtual proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| OnePlus 8 (128GB) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4300 mAh | 5000 mAh |
| Charger, watts | 30W (5V/6A) Wired fast charging | 25W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | 51 hours (2.1 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| OnePlus 8 (128GB) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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: Onyx Black, Glacial Green, Interstellar Glow | • Colors: Brave Black, Optimistic Blue, Magical Blue, Personality Yellow |
☢️ Radiation rate | ||
| OnePlus 8 (128GB) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.42W/kg (head), 1.29W/kg (body) |