Intel Atom Z520 vs Intel Mobile Pentium 4 HT 2.66
Physical Specifications
| Socket | Intel BGA 441 | Intel Socket 478 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 45 nm | 130 nm |
| Transistors | 47 million | 55 million |
| Die size | 26 mm² | 131 mm² |
| Package | FC-BGA12F | µPGA |
| tCaseMax | — | 74°C |
Performance
| Frequency | 1334 MHz | 2.667 GHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 133 MHz | 133 MHz |
| Multiplier | 10.0x | 20.0x |
| Multiplier unlocked | No | No |
| Voltage | 1.1 V | 1.55 V |
| TDP | 2 W | 66 W |
Architecture Details
| Vertical Segment | Mobile | Mobile |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Apr 2nd, 2008 | Sep 23rd, 2003 |
| Codename | Silverthorne | Northwood |
| Generation | Atom | Mobile Pentium 4 HT |
| Part | SLB2H | SL77M |
| Memory support | unknown | DDR1, DDR2 |
| ECC memory | No | No |
Cores
| Total Cores | 1 | 1 |
|---|---|---|
| Total Threads | 2 | 2 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 64K (per core) | 8K |
|---|---|---|
| Cache L2 | 512K (per core) | 512K |
Notes
| Notes | C0 Stepping | — |
|---|
Features & Technologies
| EIST | Yes | — |
|---|---|---|
| HTT | Yes | Yes |
| IST | — | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | — |
| SSSE3 | Yes | — |
| VT-x | Yes | — |
| XD bit | Yes | — |
