Intel Core2 Quad Q8300 vs Intel Core i7-920: comparison
Comparison of Intel Core2 Quad Q8300 and Intel Core i7-920: key differences and a full specification table.
Key differences
Intel Core2 Quad Q8300 has a lower TDP (95 W vs 130 W).
At the same time, Intel Core i7-920 has more threads (8 vs 4) and a higher base clock (2.66 GHz vs 2.5 GHz).
Both processors match on: core count (4), 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 Quad Q8300 | Intel Core i7-920 |
|---|---|---|
| Cores / threads | 4 / 4 | 4 / 8 |
| Max boost clock | — | 2.93 GHz |
| L3 cache | — | 8 MB |
| TDP | 95 W | 130 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 Quad Q8300 | Intel Core i7-920 |
|---|---|---|
| General | ||
| Model | Q8300 | i7-920 |
| Codename | Yorkfield | Bloomfield |
| Segment | Desktop | Desktop |
| Product line | Legacy Intel Core Processors | Legacy Intel Core Processors |
| Process | 45 nm | 45 nm |
| Launch date | Q4 2008 | Q4 2008 |
| Status | Discontinued | Discontinued |
| Servicing status | End of Servicing Lifetime | End of Servicing Lifetime |
| Embedded options available | No | No |
| CPU | ||
| Cores | 4 | 4 |
| Threads | 4 | 8 |
| Multithreading (SMT/HT) | No | Yes |
| Base clock | 2.5 GHz | 2.66 GHz |
| Max boost clock | — | 2.93 GHz |
| L2 cache | 4 MB | — |
| L3 cache | — | 8 MB |
| Bus speed | 1.333 GHz | 4.8 GT/s |
| TDP | 95 W | 130 W |
| Turbo Boost | No | Yes (1) |
| 64-bit support | Yes | Yes |
| Instruction set width | 64 bit | 64 bit |
| Instruction set extensions | — | SSE4.2 |
| QPI links | — | 1 |
| VID voltage range | 0.8500V-1.3625V | — |
| FSB parity | No | — |
| Memory | ||
| Max memory size | — | 24 GB |
| Memory types | — | DDR3 |
| Memory channels | — | 3 |
| Max memory bandwidth | — | 25.6 GB/s |
| ECC memory supported | — | No |
| Physical address extensions | — | 36-bit |
| Package and thermal | ||
| Sockets supported | LGA775 | FCLGA1366 |
| Max CPU configuration | — | 1 |
| Package size | 37.5mm x 37.5mm | 42.5mm x 45.0mm |
| TCASE | 71.4 °C | 67.9 °C |
| Die size | 164 mm² | 263 mm² |
| Transistors (millions) | 456 million | 731 million |
| Security and virtualization | ||
| Virtualization (VT-x / AMD-V) | — | Yes |
| Extended Page Tables (EPT) | — | Yes |
| AES-NI | No | No |
| Execute Disable Bit | Yes | Yes |
| Technologies | ||
| Enhanced SpeedStep | Yes | Yes |
| Idle States | Yes | Yes |
| Thermal Monitoring Technologies | Yes | No |