Skip to main content
. Author manuscript; available in PMC: 2014 Feb 1.
Published in final edited form as: IEEE Trans Nucl Sci. 2013 Feb;60(1):166–173. doi: 10.1109/tns.2012.2233754

TABLE I.

NVIDIA GTX 285 GPU Parameters

GPU Organization
TPCs (Thread Processing Cluster) 10 total
SMs (Streaming Multiprocessor) 3 per TPC
Shader Clock 1.48 GHz
Memory (DRAM) Clock 1.24 GHz
Memory (DRAM) Bus Width 512-bit
Memory (DRAM) Latency 400 – 600 cycles

SM Resources (30 SMs total)
SPs (Scalar Processor) 8 per SM
SFUs (Special Function Unit) 2 per SM
DPUs (Double Precision Unit) 1 per SM
Registers 16,384 per SM
Shared Memory 16 KB per SM
Constant Cache 8 KB per SM
Texture Cache 6–8 KB per SM

Programming Model
Warps 32 threads
Max number of threads per block 512 threads
Max sizes of each dimension of a block 512 x 512 x 64
Max sizes of each dimension of a grid 65,535 x 65,535 x 1
Global Memory 1 GB total
Constant Memory 64 KB total