AMD Radeon R4 is an integrated graphics controller, codenamed 'Beema'. It was announced on April 29, , and it is part of the GCN Memory Type: shared memory. Hi @Lynda Welcome to the HP Support Community. 1) What's the exact model name of the computer? Click here for steps on finding the. Specifications and benchmarks of the AMD Radeon R4 graphics card for Bus Width: 64 Bit.