Intel Pentium 4 HT 661 vs Intel Xeon E3-1220L v2
Physical Specifications
| Socket | Intel Socket 775 | Intel Socket 1155 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 65 nm | 22 nm |
| Transistors | 188 million | unknown |
| Die size | 81 mm² | unknown |
| Package | FC-LGA4 | FC-LGA12C |
Performance
| Frequency | 3.6 GHz | 2.3 GHz |
|---|---|---|
| Turbo clock | — | up to 3.5 GHz |
| Base clock | 200 MHz | 100 MHz |
| Multiplier | 18.0x | 23.0x |
| Multiplier unlocked | No | No |
| Voltage | 1.325 V | — |
| TDP | 86 W | 17 W |
Architecture Details
| Vertical Segment | Desktop | Server/Workstation |
|---|---|---|
| Production status | End-of-life | unknown |
| Release date | Jan 5th, 2006 | May 14th, 2012 |
| Codename | Cedar Mill | Ivy Bridge |
| Generation | Pentium 4 HT | Xeon E3 |
| Part | SL94V | SR0R6 |
| Memory support | DDR1, DDR2, DDR3 Dual-channel | DDR3 Dual-channel |
| ECC memory | No | Yes |
| PCI Express | Gen 2 | Gen 3, 16 Lanes(CPU only) |
Cores
| Total Cores | 1 | 2 |
|---|---|---|
| Total Threads | 2 | 4 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 28K | 64K (per core) |
|---|---|---|
| Cache L2 | 2MB | 256K (per core) |
| Cache L3 | — | 8MB (shared) |
Features & Technologies
| AES-NI | — | Yes |
|---|---|---|
| AVX | — | Yes |
| ECC | — | Yes |
| EIST | — | Yes |
| HTT | Yes | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | — | Yes |
| SSSE3 | — | Yes |
| TXT | — | Yes |
| VT-d | — | Yes |
| VT-x | — | Yes |
| XD bit | — | Yes |
