AMD Opteron 6174 CPU details
Frequency: 2.2GHz

 Core: Magny-Cours

 Cores: 12 physical

 Packaging: G34

 Manufacturing process: 45nm

 L1 cache: 64KB data, 64KB instruction per core

 L2 cache: 512KB per core

 L3 cache: 12MB accessible by all cores

 HyperTransport: Four 6.4GT/sec HT3 links

 Memory: Quad-channel ECC registered DDR3-1,333MHz

 SMP compability: 2 or 4 CPUs per motherboard

ACP: 80W


Intel Xeon X5650 CPU details


Frequency: 2.66GHz

 Core: Westmere

 Cores: six physical, six logical

 Packaging: LGA1366

 Manufacturing process: 32nm

 L1 cache: 32KB data, 32KB instruction per core

 L2 cache: 256KB per core

 L3 cache: 12MB accessible by all cores

 QPI: 5.86GT/sec

 Memory: Triple-channel ECC registered DDR3-1,333MHz

 SMP compability: 2 CPUs per motherboard

 TDP: 95W