| Workstation
System Comparison |
AMD
Opteron |
Intel
Pentium 4**** |
Intel
Xeon* |
Intel
Xeon MP** |
Intel
Itanium 2*** |
| |
Modular,
glueless scalability |
Yes |
Requires
Northbridge |
Requires
Northbridge |
Requires
Northbridge |
Requires
Northbridge |
SMP
Capabilities |
Up
to 8-way |
1-way |
Up
to 2-way |
Up
to 4-way |
Up
to 4-way |
High-performance
32-bit and 64-bit computing |
Yes |
No |
No |
No |
No |
|
Yes |
No |
No |
No |
No |
Integrated
DDR memory controller |
Yes |
No |
No |
No |
No |
| |
Front
Side Bus frequency |
1.4
- 1.8 GHz |
533
MHz |
533
MHz |
400
MHz |
400
MHz |
Front
Side Bus Bandwidth |
11.2
- 14.4 GB/s |
4.3
GB/s |
4.2
GB/s |
3.2
GB/s |
6.4
GB/s |
Maximum
Inter-processor bandwidth |
6.4
GB/s |
4.3
GB/s |
4.2
GB/s |
3.2
GB/s |
6.4
GB/s |
Memory
support |
|
|
|
|
|
Memory
Bandwidth 1P System |
5.3
GB/s |
4.3
GB/s |
4.3
GB/s |
6.4
GB/s |
6.4
GB/s |
Memory
Bandwidth 2P System |
10.6
GB/s |
N/A |
4.3
GB/s |
6.4
GB/s |
6.4
GB/s |
Memory
Bandwidth 4P System |
21.2
GB/s |
N/A |
N/A |
6.4
GB/s |
6.4
GB/s |
| |
L2
cache size |
1
MB |
512KB |
512
KB |
512
KB |
256
KB |
L3
cache size |
N/A |
N/A |
N/A |
2
MB |
1.5
MB/3 MB |
Maximum
I/O bandwidth 2P System |
12.8
GB/s |
N/A |
3.2
GB/s |
4.8GB/s |
6.4
GB/s |
Maximum
I/O bandwidth 4P System |
25.6
GB/s |
N/A |
N/A |
4.8
GB/s |
6.4
GB/s |
SIMD
Instruction Set Support |
SSE,
SSE2 |
SSE,
SSE2 |
SSE,
SSE2 |
SSE,
SSE2 |
N/A |
|
|
|
|
|
|
