| Feature |
AMD Athlon™
XP
PALOMINO
|
Intel Pentium®
4
WILLAMETE
|
| QuantiSpeed™
Architecture |
Yes
|
No
|
| |
| Operations
per clock cycle |
9
|
6
|
| |
| Integer
pipelines |
3
|
4
|
| |
| Floating
point pipelines |
3
|
2
|
| |
| Full
x86 decoders |
3
|
1
|
| |
| L1
Cache size |
128K
|
12k
µop (Trace Cache) + 8KB (Data Cache)
|
| |
| L2
Cache size |
256KB
|
256KB
|
|
(on-chip)
|
(on-chip)
|
| |
| Total
on-chip full-speed cache |
384KB
|
64KB
+ 12k µop
|
| |
| Total
effective on-chip full-speed cache |
384KB
|
256KB
- 12k µop
|
|
(exclusive)
|
(inclusive)
|
| |
| System
bus speed |
266MHz
|
400MHz
|
| |
| 3D
Enhancement instructions |
3DNow!™
Professional
|
SSE2
|
| |
| Cache/prefetch
controls |
Yes
|
Yes
|
| |
| Streaming
controls |
Yes
|
Yes
|
| |
| DSP/comm
extensions |
Yes
|
Yes
|
