Intel Pentium III 1000 vs Intel Pentium III 1266S
Physical Specifications
| Socket | Intel Socket 370 | Intel Socket 370 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 180 nm | 130 nm |
| Transistors | 44 million | 44 million |
| Die size | 80 mm² | 80 mm² |
| Package | µPGA | µPGA |
| tCaseMax | 69°C | 69°C |
Performance
| Frequency | 1000 MHz | 1266 MHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 133 MHz | 133 MHz |
| Multiplier | 7.5x | 9.5x |
| Multiplier unlocked | No | No |
| Voltage | 1.75 V | 1.45 V |
| TDP | 29 W | 30 W |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Jun 1st, 2001 | Jul 1st, 2001 |
| Codename | Coppermine T | Tualatin |
| Generation | Pentium III | Pentium III |
| Part | SL5QJ | SL5LWSL5QLSL6BXSL6JN |
| Memory support | unknown | unknown |
| ECC memory | No | No |
Cores
| Total Cores | 1 | 1 |
|---|---|---|
| Total Threads | 1 | 1 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 8K | 8K |
|---|---|---|
| Cache L2 | 256K | 512K |
Features & Technologies
| MMX | Yes | Yes |
|---|---|---|
| SSE | Yes | Yes |
