|
Workstation System Comparison |
Second - Generation
AMD Opteron™ Processor |
Intel Xeon processor 5000 series1 |
Intel Xeon processor 5100 series1 |
Intel Core™ 2 Duo |
 |
| Modular,
glueless scalability |
Yes
|
Requires
Northbridge
|
Requires
Northbridge |
Requires
Northbridge |
| SMP
Capabilities |
Up to 8 sockets/16
cores |
Up to
2 sockets/4
cores |
Up to 2 sockets/4
cores |
1-way |
| Direct
Connect
Architecture |
Yes |
No
|
No |
No |
| Dual-Core
technology
|
Yes |
Yes |
Yes |
Yes |
High
Performance 32-bit and 64-bit computing
|
AMD64
|
EM64T
|
EM64T |
EM64T |
HyperTransport™
technology
|
Yes
|
No
|
No |
No |
Integrated
DDR memory controller
|
Yes
|
No
|
No |
No |
 |
| Front
Side Bus frequency |
1800 – 3000
MHz† |
1066 MHz |
1333 MHz |
1066 MHz |
| Front
Side Bus bandwidth |
14.4 - 24
GB/s† |
17 GB/s |
21.3 GB/s |
17 GB/s |
| Maximum
Inter-processor bandwidth |
8.0 GB/s |
8.5 GB/s |
10.6 GB/s |
N/A |
| Memory
support |
RDDR2 400/533/667**
UDDR2
400/533/667/800** |
FBDIMM 533/667 |
FBDIMM 533/667 |
DDR2-400/533/667 |
Memory Bandwidth 1P System
|
12.8 GB/s†† |
21.2 GB/s
21.2 GB/s |
21.2 GB/s
21.2 GB/s |
10.6 GB/s |
| Memory
Bandwidth 2P System |
21.2
GB/s††† |
4.3
GB/s |
6.4 GB/s |
N/A |
| Memory
Bandwidth 4P System |
42.4†††† |
N/A |
N/A |
N/A |
|
| Maximum
Graphics
Support |
Dual PCIe® x16 |
PCIe® x16* |
PCIe® x16* |
x16 PCI-E |
|
L1
cache size (max)
|
64KB (Data) + 64KB
(Instruction)
per core
|
16KB (Data cache per
core)+ 12 k
mop (Trace cache per core)
|
32KB (Data) + 32KB
(Instruction)
per core |
32KB (Data) + 32KB
(Instruction)
per core |
L2
cache size (max)
|
1
MB per core
|
2 MB per
core
|
4 MB
(Shared) |
4 MB
(Shared) |
| Maximum I/O
bandwidth 1P
System |
8.0
GB/s†† |
6 GB/s* |
6 GB/s* |
2 GB/s |
| Maximum
I/O bandwidth 2P System |
32.0
GB/s††† |
14 GB/s |
14 GB/s |
N/A |
| Maximum
I/O bandwidth 4P System |
32.0
GB/s†††† |
N/A |
N/A |
N/A |
| SIMD
Instruction Set Support |
SSE,
SSE2,
SSE3 |
SSE,
SSE2, SSE3 |
SSE, SSE2, SSE3 |
SSE, SSE2, SSE3 |
|
