Intel Core i7-6900K vs AMD EPYC 7773X
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CPU comparison with benchmarks
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| Intel Core i7-6900K | AMD EPYC 7773X | |
CPU comparisonIntel Core i7-6900K or AMD EPYC 7773X - 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 i7-6900K has 8 cores with 16 threads and clocks with a maximum frequency of 3.70 GHz. Up to 128 GB of memory is supported in 4 memory channels. The Intel Core i7-6900K was released in Q2/2016. The AMD EPYC 7773X 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 7773X was released in Q2/2022. |
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| Intel Core i7 Extreme Edition (24) | Family | AMD EPYC (129) |
| Intel Core i 6000 (24) | CPU group | AMD EPYC 7003 (29) |
| 6 | Generation | 3 |
| Skylake S | Architecture | Milan (Zen 3) |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i7-6900K has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Core i7-6900K is 3.20 GHz (3.70 GHz) while the AMD EPYC 7773X has 64 CPU cores and 128 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7773X is at 2.20 GHz (3.50 GHz). |
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| Intel Core i7-6900K | Characteristic | AMD EPYC 7773X |
| 8 | Cores | 64 |
| 16 | Threads | 128 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| Yes | Overclocking ? | No |
| 3.20 GHz | Frequency | 2.20 GHz |
| 3.70 GHz | Turbo Frequency (1 Core) | 3.50 GHz |
| -- | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe Intel Core i7-6900K can use up to 128 GB of memory in 4 memory channels. The maximum memory bandwidth is 76.8 GB/s. The AMD EPYC 7773X 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 i7-6900K | Characteristic | AMD EPYC 7773X |
| DDR4-2400 | Memory | DDR4-3200 |
| 128 GB | Max. Memory | 4096 GB |
| 4 (Quad Channel) | Memory channels | 8 (Octa Channel) |
| 76.8 GB/s | Max. Bandwidth | 204.8 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | 32.00 MB |
| 20.00 MB | L3 Cache | 768.00 MB |
| 3.0 | PCIe version | 4.0 |
| 40 | PCIe lanes | 128 |
| 39.4 GB/s | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i7-6900K is 140 W, while the AMD EPYC 7773X 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 i7-6900K | Characteristic | AMD EPYC 7773X |
| 140 W | TDP (PL1 / PBP) | 280 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | 225 W |
| -- | Tjunction max. | -- |
Technical detailsThe Intel Core i7-6900K is manufactured in 14 nm and has 20.00 MB cache. The AMD EPYC 7773X is manufactured in 7 nm and has a 800.00 MB cache. |
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| Intel Core i7-6900K | Characteristic | AMD EPYC 7773X |
| 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 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| LGA 2011-3 | 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 |
| Q2/2016 | Release date | Q2/2022 |
| -- | Release price | 8800 $ |
| show more data | show more data | |
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8C 16T @ 3.20 GHz (3.70 GHz) buy now on Amazon and save!
64C 128T @ 2.20 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 2 CPU benchmarks
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 i7-6900K
8C 16T @ 3.70 GHz |
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AMD EPYC 7773X
64C 128T @ 3.50 GHz |
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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 i7-6900K
8C 16T @ 3.70 GHz |
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AMD EPYC 7773X
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 i7-6900K
8C 16T @ 3.20 GHz |
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AMD EPYC 7773X
64C 128T @ 2.20 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 i7-6900K
8C 16T @ 3.20 GHz |
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AMD EPYC 7773X
64C 128T @ 2.20 GHz |
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Cinebench 2024 (Single-Core)
The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
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Intel Core i7-6900K
8C 16T @ 3.70 GHz |
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AMD EPYC 7773X
64C 128T @ 3.50 GHz |
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Cinebench 2024 (Multi-Core)
The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
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Intel Core i7-6900K
8C 16T @ 3.70 GHz |
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AMD EPYC 7773X
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 i7-6900K
8C 16T @ 3.20 GHz |
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AMD EPYC 7773X
64C 128T @ 2.20 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 i7-6900K
8C 16T @ 3.70 GHz |
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AMD EPYC 7773X
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 i7-6900K
8C 16T @ 3.20 GHz |
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AMD EPYC 7773X
64C 128T @ 2.20 GHz |
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CPU-Z Benchmark 17 (Multi-Core)
The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
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Intel Core i7-6900K
8C 16T @ 3.20 GHz |
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AMD EPYC 7773X
64C 128T @ 2.20 GHz |
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Devices using this processor |
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| Intel Core i7-6900K | AMD EPYC 7773X |
| Unknown | Unknown |
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