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The P4X266, i845 and SiS645 will be pitted head-to-head along with an existing platform for the Pentium 4, the i845 SDRAM. Before you examine the test setup, here is a comparison of the chipsets :
| Pentium 4 Chipset Technical Comparison |
| |
VIA
P4X266 |
Intel
845 |
SiS
645 |
| North
Bridge |
P4X266 |
i82845
MCH |
SiS645 |
| South
Bridge |
VT8233 |
i82801BA
ICH2 |
SiS961 |
| Memory
Technology |
SDRAM
/ DDR |
SDRAM
/ DDR |
SDRAM
/ DDR |
| Memory
Type/s |
PC133
/ DDR200 / DDR266 |
PC133,
DDR200, DDR266 |
PC133,
DDR200, DDR266, DDR333 |
| Effective
Memory Clock Speed |
133
/ 200 / 266MHz |
133
/ 200 / 266MHz |
133
/ 200 / 266 / 333MHz |
| Peak
Memory Bandwidth |
2.1GB/s
(DDR266) |
2.1GB/s
(DDR266) |
2.66GB/s
(DDR333) |
| Maximum
Addressable Memory |
3GB |
2GB |
3GB |
| Bridge
Interconnect |
V-Link |
Intel
Hub Architecture |
MuTIOL |
| Peak
Interconnect Bandwidth |
266MB/s |
266MB/s |
533MB/s |
| USB
Ports |
6 |
4 |
6 |
| USB
2.0 Support |
No |
No |
Yes |
|
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