Memory Bandwidth (STREAM) – Two-Socket to Eight-Socket Servers 

 
Based on measurements at AMD performance labs as of July 1, 2009.

Configuration Information:

2 x Six-Core AMD Opteron™ processors ("Istanbul") Model 2435 in Supermicro A+ Server 1021M-UR+B server, 16GB (8x2GB DDR2-800 memory), SuSE Linux® Enterprise Server 10 SP2 64-bit

4 x Six-Core AMD Opteron™ processors ("Istanbul") Model 8435 in Tyan Transport TX46 server, 32GB (16x2GB DDR2-800 memory), SuSE Linux® Enterprise Server 10 SP2 64-bit

8 x Six-Core AMD Opteron™ processors ("Istanbul") Model 8435 in "Chipotle" reference design kit, 64GB (32x2GB DDR2-800 memory), SuSE Linux® Enterprise Server 10 SP2 64-bit