| 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 |
