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K7, Athlon XP, "Palomino", "Thoroughbred", "Barton" · AMD
AMD Athlon XP added SSE instructions for 3D games, and increased clock speeds.
"XP" officially stands for "eXtended Performance", and unofficially for "Windows XP",
a Microsoft operating system released in the same time in 2001. Both work together beautifully.
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During this time Ethernet-on-motherboard and Sound-on-motherboard became common.
An amazing example is GIGABYTE GA7VRXP board that integrates both sound, LAN and RAID controller on-board !
This was unheard of during the 1990's, on desktop computers.
The +15 million transistors came from the on-chip L2 cache of 256 KB size.
Otherwise the core itself is similar, and should be 22 million transistors.
| Specification | Value |
|---|---|
| Introduced | 2001 |
| Arch Generation | 7.5 |
| Architecture / Codename | K7, Athlon XP, "Palomino", "Thoroughbred", "Barton" |
| Cores / Threads | 1 |
| Technology Node | 180 nm, 130 nm |
| Die Size | 150 mm² (?) |
| Transistors | 37 million |
| Frequency | 1000-2200 MHz |
| Instructions | x86. MMX. 3Dnow!, SSE |
| TDP | ~65 watt |
| Cache L1 | 64 KB = 32 KB + 32 KB (i+d) |
| Cache L2 | 256 KB, L2 cache works CPU speed. |
| Memory Type | SDRAM-100/133 MHz |
| Memory Bandwidth | ~1.0 GB/s |
| Memory Size Typical | 128-256 MB |