| Hardware and OS | OnePlus 2 | |
| Operating system | Android 5.1 (Lollipop), upgradable to 6.0.1 (Marshmallow); Oxygen 3.5.6 UI | |
| Processor | Octa-core (4x1.56 GHz Cortex-A53 & 4x1.82 GHz Cortex-A57) | |
| Chipset | Qualcomm MSM8994 Snapdragon 810 (20 nm) | |
| GPU | Adreno 430 | |
| Internal memory | 16 GB, 3 GB RAM
64 GB, 4 GB RAM | |
| External memory | No | |
| Display | OnePlus 2 | other phones |
| Type | LTPS IPS LCD | |
| Size | 5.5" inc | |
| Resolution | 1080 x 1920 px | |
| Protection | Corning Gorilla Glass 3 | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 73.3% | |
| Display area | 83.4 cm2 | |
| Display aspect ratio | 16:9 (height:width) | |
| Pixel Density | 401 PPI | |
| Colors | 16M | |
| Connectivity | OnePlus 2 | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, DLNA, hotspot | |
| Network | GSM / HSPA / LTE | |
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | |
| Bluetooth | 4.1, A2DP | |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS, GLONASS | |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | |
| USB | 2.0, Type-C 1.0 reversible connector | |
| Camera | OnePlus 2 | other phones |
| Main camera | 13 MP, Single | |
| Specs | 13 MP, f/2.0, 1/2.6', 1.3µm, OIS, laser AF | |
| Features | Dual-LED flash, panorama, HDR | |
| Video | 2160p@30fps, 2160p(DCI)@24fps, 1080p@60fps, 720p@120fps, HDR, stereo sound rec. | |
| Selfie camera | 5 MP, Single | |
| Multimedia | OnePlus 2 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | No | |
| Design | OnePlus 2 | other phones |
| Colors | Sandstone Black | |
| Body build | Aluminum frame, plastic back | |
| Dimensions | 151.8 x 74.9 x 9.9 mm | |
| Weight | 175 g | |
| Battery | OnePlus 2 | other phones |
| Battery capacity | 3300 mAh, Non-removable Li-Po | |
| Other | OnePlus 2 | other phones |
| SAR | SAR EU - 0.43 W/kg (head), 0.20 W/kg (body) | |
| Release date | 2015, July | |
| Sensors | Fingerprint (front-mounted), accelerometer, gyro, proximity, compass | |
