| Features |
|
AMD
Athlon™ 64 |
|
Intel
Pentium® 4 |
| |
|
|
|
|
Architecture Introduction |
|
2003 |
|
2000 |
 |
| |
|
|
|
|
Infrastructure |
|
Socket 754,
lidless uPGA |
|
Socket 478, FC-PGA2 |
|
| |
|
|
|
|
Process Technology |
|
0.13 Micron,
SOI |
|
0.13 Micron |
|
| |
|
|
|
|
Number of Transistors |
|
105.9 Million |
|
55 Million |
|
| |
|
|
|
|
64-bit Instruction
Set Support |
|
Yes,
AMD64 technology |
|
No |
|
| |
|
|
|
|
32-bit Instruction
Set Support |
|
Yes |
|
Yes |
|
| |
|
|
|
|
Enhanced Virus Protection for upcoming Windows® XP SP2 |
|
Yes |
|
No |
|
| |
|
|
|
|
System Bus Technology |
|
HyperTransport™
technology up to 1600MHz
Full duplex |
|
800MHz Front Side Bus
Half duplex |
|
| |
|
|
|
|
Integrated DDR Memory
Controller (MCT) |
|
Yes,
64-bit + 8-bit ECC
PC 3200, PC 2700, PC 2100, or PC1600 SO-DIMMs |
|
No,
Discrete logic device on motherboard |
|
| |
|
|
|
|
Processor-to-System
Bandwidth |
|
HyperTransport:
up to 6.4 GB/s
Memory Controller: up to 3.2GB/s
Total: up to 9.6GB/s |
|
Total: up to 6.4GB/s |
|
| |
|
|
|
|
Integrated Northbridge |
|
Yes,
128-bit data path @ CPU core frequency |
|
No,
Discrete logic device on motherboard,
64-bit data path @ 200MHz |
|
| |
|
|
|
|
High-Performance,
On-chip Cache |
|
L1: 128KB
L2: 1024KB (exclusive)
Total Effective Cache: 1152KB |
|
L1: 12K mop trace + 8KB data
L2: 512KB (Inclusive)
Total Effective Cache: 512KB |
|
| |
|
|
|
|
Advanced Power Management |
|
AMD PowerNow!™
technology |
|
No |
|
| |
|
|
|
|
Wireless Compatibility |
|
802.11 a, b
and g |
|
802.11 a, b and g |
|
| |
|
|
|
|
3D and Multimedia
Instructions |
|
3DNow!™
Professional technology, SSE2 |
|
SSE, SSE2 |
