Small example code for some special device queries - for a whole device information use deviceQuery from the CUDA SDK Samples dir

printDeviceInfo.cu

#include <stdio.h> 

/**
 * Source: https://developer.nvidia.com/content/how-query-device-properties-and-handle-errors-cuda-cc
 * Documentation of cudaDeviceProp: http://docs.nvidia.com/cuda/cuda-runtime-api/index.html#structcudaDeviceProp
 *
 * Sample line to compile:
 *   nvcc -arch=sm_20 -o printDeviceInfo printDeviceInfo.cu
 */

int main() {
	int nDevices;

	cudaGetDeviceCount(&nDevices);
	for (int i = 0; i < nDevices; i++) {
		cudaDeviceProp prop;
		cudaGetDeviceProperties(&prop, i);
		printf("Device Number: %d\n", i);
		printf("  Device name: %s\n", prop.name);
		printf("  Memory Clock Rate (KHz): %d\n", prop.memoryClockRate);
		printf("  Memory Bus Width (bits): %d\n", prop.memoryBusWidth);
		printf("  Peak Memory Bandwidth (GB/s): %f\n\n", 2.0*prop.memoryClockRate*(prop.memoryBusWidth/8)/1.0e6);
	}
}