| ARM Cortex-A5 32bit | H3 Quad-core Cortex-A7 H.265/HEVC 4K | H2 Quad-core 32-bit Cortex-A7 | ARM Cortex-A5 32bit |
| Separate graphic processor, Vivante's GC860 | Mali400MP2 GPU @600MHz, Supports OpenGL ES 2.0 | Mali400MP2 GPU @600MHz, Supports OpenGL ES 2.0 | Vivante's GC860 |
| Integrated 256MB LPDDR2 SDRAM | 1GB DDR3 (shared with GPU) | 256MB DDR3 (shared with GPU) | Integrated 256MB LPDDR2 SDRAM |
| TF card / Integrated 512MB 8Bit 1.8V 4K SLC Nand Flash | TF card (Max. 32GB) / MMC card slot , 8GB EMMC Flash | TF card (Max. 32GB) / Spi flash(16MB) | TF card / Integrated 512MB 8Bit 1.8V 4K SLC Nand Flash |
| RDA5991, WIFI+BT | Yes | Realtek RTL8189FTV, IEEE 802.11 b/g/n | RDA5991, WIFI+BT |
| One USB 2.0 HOST, One USB 2.0 OTG | Three USB 2.0 HOST, one USB 2.0 OTG | USB2 Over 13pin port | One USB 2.0 HOST, One USB 2.0 OTG |
| - | 3.5mm Jack and HDMISupports simultaneous output of HDMI and CVBS | Supports external board via 13pins | 3.5mm Jack, FM, SPEAK（Optional） |
| A CSI input connector Camera | CSI camera connectorMIC | MIC over 13pin port | CSI camera connectorMIC, 3.5 mm Jack |
| USB OTG can supply power | DC input can supply power, but USB OTG input don’t supply power | USB OTG can supply power | Battery input can supply power（Optional） |
| Power Button(SW602) | Power Button | Power Button(SW602) | Power Button(SW602) |
| 40Pin | 40Pins Header,compatible with Raspberry Pi B plus | 26Pins Header , 13 Pins Header, with 2x USB, IR pin, AUDIO(MIC, AV) | 40Pins Header |
| Power led | Power led & Status led | Power led & Status led | Power led |
| Android, Ubuntu, Debian Image | Android Ubuntu, Debian, Raspbian Image | Android4.4ArmbianDebianLubuntu | Android, Ubuntu, Debian Image |
| - | - | - | - |
