Intel Core 2 Duo E7400 vs Intel Core 2 Duo T7800
Physical Specifications
| Socket | Intel Socket 775 | Intel Socket P |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 45 nm | 65 nm |
| Transistors | 228 million | 293 million |
| Die size | 82 mm² | 143 mm² |
| Package | FC-LGA6 | FC-PGA |
| tCaseMax | 74°C | — |
Performance
| Frequency | 2.8 GHz | 2.6 GHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 266 MHz | 200 MHz |
| Multiplier | 10.5x | 13.0x |
| Multiplier unlocked | No | No |
| Voltage | 1.11 V | 1.3 V |
| TDP | 65 W | 35 W |
Architecture Details
| Vertical Segment | Desktop | Mobile |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Oct 10th, 2008 | Sep 27th, 2007 |
| Codename | Wolfdale | Merom |
| Generation | Core 2 Duo | Core 2 Duo |
| Part | SLGW3 | SLAF6 |
| Memory support | DDR1, DDR2, DDR3 Dual-channel | unknown |
| ECC memory | No | No |
| PCI Express | Gen 2 | — |
Cores
| Total Cores | 2 | 2 |
|---|---|---|
| Total Threads | 2 | 2 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 64K (per core) | 64K |
|---|---|---|
| Cache L2 | 3MB (shared) | 4MB |
Features & Technologies
| C1E | Yes | — |
|---|---|---|
| C2E | Yes | — |
| EIST | Yes | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4 | Yes | — |
| SSSE3 | — | Yes |
| VT | Yes | — |
| VT-x | — | Yes |
| XD bit | — | Yes |
