Intel Core i3-2100 vs Intel Pentium D 945
Physical Specifications
| Socket | Intel Socket 1155 | Intel Socket 775 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 32 nm | 65 nm |
| Transistors | 504 million | 376 million |
| Die size | 131 mm² | 140 mm² |
| Package | FC-LGA10 | FC-LGA4 |
Performance
| Frequency | 3.1 GHz | 3.4 GHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 100 MHz | 200 MHz |
| Multiplier | 31.0x | 17.0x |
| Multiplier unlocked | No | No |
| TDP | 65 W | 95 W |
| Voltage | — | 1.33 V |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Feb 20th, 2011 | Jul 23rd, 2006 |
| Codename | Sandy Bridge | Presler |
| Generation | Core i3 | Pentium D |
| Part | SR05C | SL9QQ |
| Memory support | DDR3 Dual-channel | DDR1, DDR2, DDR3 Dual-channel |
| ECC memory | No | No |
| PCI Express | Gen 3, 16 Lanes(CPU only) | Gen 2 |
Cores
| Total Cores | 2 | 2 |
|---|---|---|
| Total Threads | 4 | 2 |
| SMP # CPUs | 1 | 2 |
| Integrated graphics | Intel HD 2000 | — |
Cache
| Cache L1 | 64K (per core) | 28K |
|---|---|---|
| Cache L2 | 256K (per core) | 4MB |
| Cache L3 | 3MB (shared) | — |
Features & Technologies
| EIST | Yes | Yes |
|---|---|---|
| HTT | Yes | — |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SMT | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | Yes | — |
| TXT | Yes | — |
| VT-x | Yes | — |
| XD-Bit | Yes | — |
Notes
| Notes | — | D0 Stepping |
|---|
