Feature Articles

Showdown: Barcelona vs. Clovertown vs. Harpertown

Showdown: Barcelona vs. Clovertown vs. Harpertown



Workstation/Server Processors Compared

Workstation/Server Processors Compared

High-End Multi-Core Workstation Processors Compared
Processor Name Opteron 23xx (quad-core) Xeon 53xx (quad-core) Xeon 54xx (quad-core)
Processor Codename Barcelona Clovertown Harpertown
Processor Model 2350, 2347, 2347 HE, 2346 HE, 2344 HE X5365, X5355, E5345, E/L5335, E/L5320, E/L5310 Various
Processor Frequency 1.7GHz - 2.0GHz 1.6GHz - 3.0GHz 2.0GHz - 3.2GHz
No. of Cores 4 4 4
Front Side Bus (MHz) - 1333 / 1066 1600 / 1333
HyperTransport Bus 1GHz (2000MT/s) - -
L1 Cache (data + instruction) (64KB + 64KB) x 2 (32KB + 32KB) x 4 (32KB + 32KB) x 2
L2 Cache 512KB x 4 4MB x 2 6MB x 2
L3 Cache 2MB N/A N/A
Memory Controller Integrated Dual Channel (up to DDR2-667) External, Dual/Quad Channel (FB-DIMM DDR2-533/667) External, Dual/Quad Channel (FB-DIMM DDR2-533/667/800)
TDP (W) normal series: 95W, HE series: 68W L series: 50W, E series: 80W, X series: 120W L series: 50W, E series: 80W, X series: 120W
Execute Disable Bit Yes Yes Yes
64-bit Computing AMD64 Intel 64 (Intel EM64T) Intel 64 (Intel EM64T)
Power Management Technology AMD PowerNow! & AMD CoolCore Technology Intel Intelligent Power Capability Intel Intelligent Power Capability
Virtualization Technology Yes Yes Yes
Packaging Socket F (1207) LGA771 LGA771
Process Technology 65nm SOI 65nm 45nm
Die Size 285mm² 286mm² 214mm²
No. of Transistors 463 million 582 million 820 million