Intel Core 2 Extreme QX6850 vs Intel Core i9-7940X
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CPU comparison with benchmarks
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| Intel Core 2 Extreme QX6850 | Intel Core i9-7940X | |
CPU comparisonIntel Core 2 Extreme QX6850 or Intel Core i9-7940X - 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 2 Extreme QX6850 has 4 cores with 4 threads and clocks with a maximum frequency of 3.00 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core 2 Extreme QX6850 was released in Q3/2007. The Intel Core i9-7940X has 14 cores with 28 threads and clocks with a maximum frequency of 4.30 GHz. The CPU supports up to 128 GB of memory in 4 memory channels. The Intel Core i9-7940X was released in Q4/2017. |
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| Intel Core2 Extreme (7) | Family | Intel Core i9 (78) |
| Intel Core 2 Extreme QX6000 (3) | CPU group | Intel Core i 7000X (9) |
| 1 | Generation | 7 |
| Kentsfield (Core) | Architecture | Skylake X |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | Intel Core i9-9940X |
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CPU Cores and Base FrequencyThe Intel Core 2 Extreme QX6850 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core 2 Extreme QX6850 is 3.00 GHz while the Intel Core i9-7940X has 14 CPU cores and 28 threads can calculate simultaneously. The clock frequency of the Intel Core i9-7940X is at 3.10 GHz (4.30 GHz). |
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| Intel Core 2 Extreme QX6850 | Characteristic | Intel Core i9-7940X |
| 4 | Cores | 14 |
| 4 | Threads | 28 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| Yes | Overclocking ? | Yes |
| 3.00 GHz | Frequency | 3.10 GHz |
| -- | Turbo Frequency (1 Core) | 4.30 GHz |
| -- | Turbo Frequency (All Cores) | 3.70 GHz |
Memory & PCIeThe Intel Core 2 Extreme QX6850 can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 17.1 GB/s. The Intel Core i9-7940X supports up to 128 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 85.4 GB/s. |
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| Intel Core 2 Extreme QX6850 | Characteristic | Intel Core i9-7940X |
| DDR3-1066, DDR2-800 | Memory | DDR4-2666 |
| 16 GB | Max. Memory | 128 GB |
| 2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
| 17.1 GB/s | Max. Bandwidth | 85.4 GB/s |
| No | ECC | No |
| 8.00 MB | L2 Cache | -- |
| -- | L3 Cache | 19.00 MB |
| -- | PCIe version | 3.0 |
| -- | PCIe lanes | 44 |
| -- | PCIe Bandwidth | 43.3 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core 2 Extreme QX6850 is 130 W, while the Intel Core i9-7940X has a TDP of 165 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Core 2 Extreme QX6850 | Characteristic | Intel Core i9-7940X |
| 130 W | TDP (PL1 / PBP) | 165 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe Intel Core 2 Extreme QX6850 is manufactured in 65 nm and has 8.00 MB cache. The Intel Core i9-7940X is manufactured in 14 nm and has a 19.00 MB cache. |
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| Intel Core 2 Extreme QX6850 | Characteristic | Intel Core i9-7940X |
| 65 nm | Technology | 14 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| MMX, SSE2, SSE3 | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512 |
| LGA 775 | Socket | LGA 2066 |
| VT-x | Virtualization | VT-x, VT-x EPT, VT-d |
| No | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q3/2007 | Release date | Q4/2017 |
| -- | Release price | 1399 $ |
| show more data | show more data | |
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14C 28T @ 3.10 GHz (4.30 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 2 CPU benchmarks
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 2 Extreme QX6850
4C 4T @ 3.00 GHz |
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Intel Core i9-7940X
14C 28T @ 4.30 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 2 Extreme QX6850
4C 4T @ 3.00 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 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 2 Extreme QX6850
4C 4T @ 3.00 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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Intel Core 2 Extreme QX6850
4C 4T @ 3.00 GHz |
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Intel Core i9-7940X
14C 28T @ 4.30 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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Intel Core 2 Extreme QX6850
4C 4T @ 3.00 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
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Blender 2.81 (bmw27)
Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
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Intel Core 2 Extreme QX6850
4C 4T @ 3.00 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
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Cinebench R15 (Single-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. 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 2 Extreme QX6850
4C 4T @ 3.00 GHz |
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Intel Core i9-7940X
14C 28T @ 4.30 GHz |
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Cinebench R15 (Multi-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Core 2 Extreme QX6850
4C 4T @ 3.00 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
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Devices using this processor |
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| Intel Core 2 Extreme QX6850 | Intel Core i9-7940X |
| Unknown | Unknown |
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