Intel Core2 Duo E7600 vs Intel Core2 Quad Q8400S: comparison
Comparison of Intel Core2 Duo E7600 and Intel Core2 Quad Q8400S: key differences and a full specification table.
Key differences
Intel Core2 Duo E7600 has a higher base clock (3.06 GHz vs 2.66 GHz).
At the same time, Intel Core2 Quad Q8400S has more cores (4 vs 2) and more threads (4 vs 2).
Both processors match on: TDP (65 W), process node (45 nm).
These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.
Key specifications
| Parameter | Intel Core2 Duo E7600 | Intel Core2 Quad Q8400S |
|---|---|---|
| Cores / threads | 2 / 2 | 4 / 4 |
| TDP | 65 W | 65 W |
| Process | 45 nm | 45 nm |
Full specification table
Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.
| Parameter | Intel Core2 Duo E7600 | Intel Core2 Quad Q8400S |
|---|---|---|
| General | ||
| Model | E7600 | Q8400S |
| Codename | Wolfdale | Yorkfield |
| Segment | Desktop | Desktop |
| Product line | Legacy Intel Core Processors | Legacy Intel Core Processors |
| Process | 45 nm | 45 nm |
| Launch date | Q2 2009 | Q2 2009 |
| Status | Discontinued | Discontinued |
| Servicing status | End of Servicing Lifetime | End of Servicing Lifetime |
| Embedded options available | No | No |
| CPU | ||
| Cores | 2 | 4 |
| Threads | 2 | 4 |
| Multithreading (SMT/HT) | No | No |
| Base clock | 3.06 GHz | 2.66 GHz |
| L2 cache | 3 MB | 4 MB |
| Bus speed | 1.066 GHz | 1.333 GHz |
| TDP | 65 W | 65 W |
| Turbo Boost | No | No |
| 64-bit support | Yes | Yes |
| Instruction set width | 64 bit | 64 bit |
| VID voltage range | 0.8500V-1.3625V | 0.8500V-1.3625V |
| FSB parity | No | — |
| Package and thermal | ||
| Sockets supported | LGA775 | LGA775 |
| Package size | 37.5mm x 37.5mm | 37.5mm x 37.5mm |
| TCASE | 74.1 °C | 76.3 °C |
| Die size | 82 mm² | 164 mm² |
| Transistors (millions) | 228 million | 456 million |
| Security and virtualization | ||
| Virtualization (VT-x / AMD-V) | Yes | Yes |
| AES-NI | No | No |
| Execute Disable Bit | Yes | Yes |
| Technologies | ||
| Enhanced SpeedStep | Yes | Yes |
| Idle States | Yes | Yes |
| Thermal Monitoring Technologies | Yes | Yes |