Intel Core Duo L2400 vs Intel Core 2 Extreme QX9775
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CPU comparison with benchmarks
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| Intel Core Duo L2400 | Intel Core 2 Extreme QX9775 | |
CPU comparisonIntel Core Duo L2400 or Intel Core 2 Extreme QX9775 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The Intel Core Duo L2400 has 2 cores with 2 threads and clocks with a maximum frequency of 1.66 GHz. Up to GB of memory is supported in 0 memory channels. The Intel Core Duo L2400 was released in Q1/2006. The Intel Core 2 Extreme QX9775 has 4 cores with 4 threads and clocks with a maximum frequency of 3.20 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core 2 Extreme QX9775 was released in Q1/2008. |
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| Intel Core Duo (4) | Family | Intel Core2 Extreme (7) |
| Intel Core Duo L2000/U2000 (4) | CPU group | Intel Core 2 Extreme QX9000 (3) |
| 0 | Generation | 2 |
| Yonah | Architecture | Yorkfield (Penryn) |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core Duo L2400 is a 2 core processor with a clock frequency of 1.66 GHz. The Intel Core 2 Extreme QX9775 has 4 CPU cores with a clock frequency of 3.20 GHz. |
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| Intel Core Duo L2400 | Characteristic | Intel Core 2 Extreme QX9775 |
| 2 | Cores | 4 |
| 2 | Threads | 4 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | Yes |
| 1.66 GHz | Frequency | 3.20 GHz |
| -- | Turbo Frequency (1 Core) | -- |
| -- | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe Intel Core Duo L2400 supports a maximum of GB of memory in 0 memory channels. The Intel Core 2 Extreme QX9775 can connect up to 16 GB of memory in 2 memory channels. |
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| Intel Core Duo L2400 | Characteristic | Intel Core 2 Extreme QX9775 |
| Memory | DDR3-1066, DDR2-800 | |
| Max. Memory | 16 GB | |
| 0 | Memory channels | 2 (Dual Channel) |
| -- | Max. Bandwidth | 17.1 GB/s |
| No | ECC | No |
| 2.00 MB | L2 Cache | 12.00 MB |
| -- | L3 Cache | -- |
| -- | PCIe version | -- |
| -- | PCIe lanes | -- |
| -- | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core Duo L2400 has a TDP of 15 W, that of the Intel Core 2 Extreme QX9775 is 150 W. |
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| Intel Core Duo L2400 | Characteristic | Intel Core 2 Extreme QX9775 |
| 15 W | TDP (PL1 / PBP) | 150 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 100 °C | Tjunction max. | -- |
Technical detailsThe Intel Core Duo L2400 has a 2.00 MB cache, while the Intel Core 2 Extreme QX9775 cache has a total of 12.00 MB. |
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| Intel Core Duo L2400 | Characteristic | Intel Core 2 Extreme QX9775 |
| 65 nm | Technology | 45 nm |
| Monolithic | Chip design | Monolithic |
| x86-32 (32 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| -- | ISA extensions | MMX, SSE2, SSE3, SSE4.1 |
| BGA 479 | Socket | LGA 775 |
| VT-x | Virtualization | VT-x, VT-d |
| No | AES-NI | No |
| Windows, Linux | Operating systems | Windows 10, Linux |
| Q1/2006 | Release date | Q1/2008 |
| -- | Release price | -- |
| show more data | show more data | |
2C 2T @ 1.66 GHz buy now on Amazon and save!
4C 4T @ 3.20 GHz buy now on Amazon and save!
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Rate these processors
Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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Intel Core Duo L2400
2C 2T @ 1.66 GHz |
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Intel Core 2 Extreme QX9775
4C 4T @ 3.20 GHz |
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Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Core Duo L2400
2C 2T @ 1.66 GHz |
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Intel Core 2 Extreme QX9775
4C 4T @ 3.20 GHz |
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Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
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Intel Core Duo L2400
2C 2T @ 1.66 GHz |
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Intel Core 2 Extreme QX9775
4C 4T @ 3.20 GHz |
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Devices using this processor |
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| Intel Core Duo L2400 | Intel Core 2 Extreme QX9775 |
| Unknown | Unknown |
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