Specifications
Platform
Graperain A733 gold-finger SoM + carrier board development platform
SoC
Allwinner A733
CPU
2x Arm Cortex-A76 + 6x Arm Cortex-A55, up to 2.0 GHz
GPU
BXM-4-64 MC1 - OpenGL ES 3.2, Vulkan 1.3, OpenCL 3.0
NPU
3 TOPS for local AI workloads
Co-processor
Xuantie E902 RISC-V
Memory
2 / 4 / 8 / 16 GB LPDDR5 (2GB standard configuration)
Storage
eMMC 8GB to 256GB, UFS 3.0, plus M.2 2280 PCIe SSD slot on the carrier
Decode
H.265 / VP9 / AVS2 up to 8K at 24fps; H.264 up to 4K at 30fps
Encode
H.265 / H.264 up to 4K at 30fps; MJPEG up to 4K at 15fps
Display Output
HDMI 2.0b up to 4K at 60Hz, 2x MIPI-DSI, DisplayPort 1.4 over USB Type-C
MIPI-DSI Modes
Single channel up to 2K at 120fps; dual channel 2.5K at 60fps or 4K at 45fps
Camera
MIPI camera interfaces on the carrier
Form Factor
Gold-finger system-on-module with mating carrier board
Vendor
Shenzhen Graperain Technology
Overview
Graperain's A733 development platform combines a gold-finger system-on-module with a carrier board so that the SoC, LPDDR5 and eMMC can be validated on a standard baseboard before a product spins its own PCB. The Allwinner A733 at the centre integrates two Cortex-A76 cores and six Cortex-A55 cores with a rated maximum of 2.0GHz, a BXM-4-64 MC1 GPU, a 3-TOPS NPU for local inference and a Xuantie E902 RISC-V co-processor.
The module is offered with 2GB, 4GB, 8GB or 16GB of LPDDR5 - 2GB is the standard build - and eMMC capacities from 8GB to 256GB alongside UFS 3.0, so the same SoM spans thin-client and vision-product configurations. The carrier adds an M.2 slot that accepts 2280-format PCIe SSDs for bulk storage.
Display and video are the platform's strongest differentiators: hardware decode of H.265, VP9 and AVS2 up to 8K24 (H.264 to 4K30), encode of H.265/H.264 to 4K30 and MJPEG to 4K15, and outputs covering HDMI 2.0b at 4K60, two MIPI-DSI channels (2K120 single, 2.5K60 or 4K45 dual) and DisplayPort 1.4 over USB Type-C.
Key Benefits
Octa-core A76/A55 with a 3-TOPS NPU, LPDDR5 and UFS 3.0/eMMC options, M.2 PCIe SSD expansion, and triple display paths (HDMI 2.0b, dual MIPI-DSI, DP 1.4).
Applications
Edge AI gateways, digital signage and interactive displays, machine vision front ends, industrial HMIs, and thin-client or kiosk designs needing PCIe storage.
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