Intel Core i9-7940X vs AMD EPYC 7763
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CPU comparison with benchmarks
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| Intel Core i9-7940X | AMD EPYC 7763 | |
CPU comparisonIntel Core i9-7940X or AMD EPYC 7763 - 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 i9-7940X has 14 cores with 28 threads and clocks with a maximum frequency of 4.30 GHz. Up to 128 GB of memory is supported in 4 memory channels. The Intel Core i9-7940X was released in Q4/2017. The AMD EPYC 7763 has 64 cores with 128 threads and clocks with a maximum frequency of 3.50 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The AMD EPYC 7763 was released in Q1/2021. |
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| Intel Core i9 (78) | Family | AMD EPYC (129) |
| Intel Core i 7000X (9) | CPU group | AMD EPYC 7003 (29) |
| 7 | Generation | 3 |
| Skylake X | Architecture | Milan (Zen 3) |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | AMD EPYC 7662 |
| Intel Core i9-9940X | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i9-7940X has 14 CPU cores and can calculate 28 threads in parallel. The clock frequency of the Intel Core i9-7940X is 3.10 GHz (4.30 GHz) while the AMD EPYC 7763 has 64 CPU cores and 128 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7763 is at 2.45 GHz (3.50 GHz). |
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| Intel Core i9-7940X | Characteristic | AMD EPYC 7763 |
| 14 | Cores | 64 |
| 28 | Threads | 128 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| Yes | Overclocking ? | No |
| 3.10 GHz | Frequency | 2.45 GHz |
| 4.30 GHz | Turbo Frequency (1 Core) | 3.50 GHz |
| 3.70 GHz | Turbo Frequency (All Cores) | 3.20 GHz |
Memory & PCIeThe Intel Core i9-7940X can use up to 128 GB of memory in 4 memory channels. The maximum memory bandwidth is 85.4 GB/s. The AMD EPYC 7763 supports up to 4096 GB of memory in 8 memory channels and achieves a memory bandwidth of up to 204.8 GB/s. |
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| Intel Core i9-7940X | Characteristic | AMD EPYC 7763 |
| DDR4-2666 | Memory | DDR4-3200 |
| 128 GB | Max. Memory | 4096 GB |
| 4 (Quad Channel) | Memory channels | 8 (Octa Channel) |
| 85.4 GB/s | Max. Bandwidth | 204.8 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | -- |
| 19.00 MB | L3 Cache | 256.00 MB |
| 3.0 | PCIe version | 4.0 |
| 44 | PCIe lanes | 128 |
| 43.3 GB/s | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i9-7940X is 165 W, while the AMD EPYC 7763 has a TDP of 280 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Core i9-7940X | Characteristic | AMD EPYC 7763 |
| 165 W | TDP (PL1 / PBP) | 280 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | 225 W |
| -- | Tjunction max. | -- |
Technical detailsThe Intel Core i9-7940X is manufactured in 14 nm and has 19.00 MB cache. The AMD EPYC 7763 is manufactured in 7 nm and has a 256.00 MB cache. |
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| Intel Core i9-7940X | Characteristic | AMD EPYC 7763 |
| 14 nm | Technology | 7 nm |
| Monolithic | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| LGA 2066 | Socket | SP3 |
| VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q4/2017 | Release date | Q1/2021 |
| 1399 $ | Release price | 7890 $ |
| show more data | show more data | |
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14C 28T @ 3.10 GHz (4.30 GHz) buy now on Amazon and save!
64C 128T @ 2.45 GHz (3.50 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 3 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 i9-7940X
14C 28T @ 4.30 GHz |
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AMD EPYC 7763
64C 128T @ 3.50 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 i9-7940X
14C 28T @ 3.70 GHz |
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AMD EPYC 7763
64C 128T @ 3.20 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 i9-7940X
14C 28T @ 4.30 GHz |
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AMD EPYC 7763
64C 128T @ 3.50 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 i9-7940X
14C 28T @ 3.70 GHz |
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AMD EPYC 7763
64C 128T @ 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 i9-7940X
14C 28T @ 3.70 GHz |
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AMD EPYC 7763
64C 128T @ 3.20 GHz |
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Cinebench R23 (Single-Core)
Cinebench R23 is the successor of Cinebench R20 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 i9-7940X
14C 28T @ 4.30 GHz |
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AMD EPYC 7763
64C 128T @ 3.50 GHz |
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Cinebench R23 (Multi-Core)
Cinebench R23 is the successor of Cinebench R20 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 i9-7940X
14C 28T @ 3.70 GHz |
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AMD EPYC 7763
64C 128T @ 3.20 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 i9-7940X
14C 28T @ 3.70 GHz |
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AMD EPYC 7763
64C 128T @ 3.20 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 i9-7940X
14C 28T @ 4.30 GHz |
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AMD EPYC 7763
64C 128T @ 3.50 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 i9-7940X
14C 28T @ 3.70 GHz |
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AMD EPYC 7763
64C 128T @ 3.20 GHz |
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Devices using this processor |
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| Intel Core i9-7940X | AMD EPYC 7763 |
| Unknown | Unknown |
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