| ARM Cortex-A5 32bit | H3 Quad-core Cortex-A7 H.265/HEVC 4K | H5 Quad-core Cortex-A53 | H2 Quad-core 32-bit Cortex-A7 |
| Separate graphic processor, Vivante's GC860 | Mali400MP2 GPU @600MHz, Supports OpenGL ES 2.0 | Mali450 GPU including dual Geometry Processors(GP) and quad Pixel Processors, Supports OpenGL ES 2.0 and OpenVG1.1 , 3000Mpix/sec and 163Mtri/sec | Mali400MP2 GPU @600MHz, Supports OpenGL ES 2.0 |
| Integrated 256MB LPDDR2 SDRAM | 512MB DDR3 (shared with GPU) | 2GB DDR3 (shared with GPU) | 256MB DDR3 (shared with GPU) |
| TF card / Integrated 512MB 8Bit 1.8V 4K SLC Nand Flash | TF card (Max. 32GB) / MMC card slot | TF card (Max. 64GB) / NOR flash(optional) | TF card (Max. 32GB) / Spi flash(16MB) |
| RDA5991, WIFI+BT | - | 8723BS, IEEE 802.11 b/g/n, Bluetooth BT4.0 | Realtek RTL8189FTV, IEEE 802.11 b/g/n |
| One USB 2.0 HOST, One USB 2.0 OTG | Only One USB 2.0 HOST, one USB 2.0 OTG | 3XUSB 2.0 HOST, one USB 2.0 OTG | USB2 Over 13pin port |
| - | Supports HDMI output with HDCP, Supports HDMI CEC, Supports HDMI 30 function, Supports simultaneous output of HDMI | 3.5mm Jack and HDMISupports HDMI output with HDCP, Supports HDMI CEC, Supports HDMI 30 function, | Supports external board via 13pins |
| A CSI input connector Camera | CSI camera connector | CSI camera connectorMIC | MIC over 13pin port |
| USB OTG can supply power | DC input can supply power, but USB OTG input don’t supply power | DC input can supply power | USB OTG can supply power |
| Power Button(SW602) | Power Button(SW4) | Power Button(SW2), Reset Button (SW4) | Power Button(SW602) |
| 40Pin | 40Pins Header,compatible with Raspberry Pi B | 40Pins Header, compatible with Raspberry Pi B+ | 26Pins Header , 13 Pins Header, with 2x USB, IR pin, AUDIO(MIC, AV) |
| Power led | Power led & Status led | Power led & Status led | Power led & Status led |
| Android, Ubuntu, Debian Image | Android, Ubuntu, Debian, Raspbian Image | Android, Ubuntu, Debian, Rasberry Pi Image | Android4.4ArmbianDebianLubuntu |
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