AMD Ryzen 9 PRO 3900 | Intel Core i9-7940X | |
CPU comparisonAMD Ryzen 9 PRO 3900 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 AMD Ryzen 9 PRO 3900 has 12 cores with 24 threads and clocks with a maximum frequency of 4.30 GHz. Up to 128 GB of memory is supported in 2 memory channels. The AMD Ryzen 9 PRO 3900 was released in Q3/2019. 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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AMD Ryzen 9 PRO (4) | Family | Intel Core i9 (78) |
AMD Ryzen 3000 (15) | CPU group | Intel Core i 7000X (9) |
3 | Generation | 7 |
Matisse (Zen 2) | Architecture | Skylake X |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | Intel Core i9-9940X |
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CPU Cores and Base FrequencyThe AMD Ryzen 9 PRO 3900 is a 12 core processor with a clock frequency of 3.10 GHz (4.30 GHz). The Intel Core i9-7940X has 14 CPU cores with a clock frequency of 3.10 GHz (4.30 GHz). |
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AMD Ryzen 9 PRO 3900 | Characteristic | Intel Core i9-7940X |
12 | Cores | 14 |
24 | Threads | 28 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | Yes |
3.10 GHz | Frequency | 3.10 GHz |
4.30 GHz | Turbo Frequency (1 Core) | 4.30 GHz |
-- | Turbo Frequency (All Cores) | 3.70 GHz |
Memory & PCIeThe AMD Ryzen 9 PRO 3900 supports a maximum of 128 GB of memory in 2 memory channels. The Intel Core i9-7940X can connect up to 128 GB of memory in 4 memory channels. |
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AMD Ryzen 9 PRO 3900 | Characteristic | Intel Core i9-7940X |
DDR4-3200 | Memory | DDR4-2666 |
128 GB | Max. Memory | 128 GB |
2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
51.2 GB/s | Max. Bandwidth | 85.4 GB/s |
No | ECC | No |
-- | L2 Cache | -- |
64.00 MB | L3 Cache | 19.00 MB |
4.0 | PCIe version | 3.0 |
20 | PCIe lanes | 44 |
39.4 GB/s | PCIe Bandwidth | 43.3 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 9 PRO 3900 has a TDP of 65 W, that of the Intel Core i9-7940X is 165 W. |
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AMD Ryzen 9 PRO 3900 | Characteristic | Intel Core i9-7940X |
65 W | TDP (PL1 / PBP) | 165 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
95 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 9 PRO 3900 has a 64.00 MB cache, while the Intel Core i9-7940X cache has a total of 19.00 MB. |
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AMD Ryzen 9 PRO 3900 | Characteristic | Intel Core i9-7940X |
7 nm | Technology | 14 nm |
Chiplet | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512 |
AM4 (PGA 1331) | Socket | LGA 2066 |
AMD-V, SVM | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
Q3/2019 | Release date | Q4/2017 |
485 $ | Release price | 1399 $ |
show more data | show more data | |
AMD Ryzen 9 PRO 3900
12C 24T @ 4.30 GHz |
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Intel Core i9-7940X
14C 28T @ 4.30 GHz |
AMD Ryzen 9 PRO 3900
12C 24T @ 3.10 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
AMD Ryzen 9 PRO 3900
12C 24T @ 4.30 GHz |
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Intel Core i9-7940X
14C 28T @ 4.30 GHz |
AMD Ryzen 9 PRO 3900
12C 24T @ 3.10 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
AMD Ryzen 9 PRO 3900
12C 24T @ 3.10 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
AMD Ryzen 9 PRO 3900
12C 24T @ 3.10 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
AMD Ryzen 9 PRO 3900
12C 24T @ 3.10 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
AMD Ryzen 9 PRO 3900
12C 24T @ 4.30 GHz |
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Intel Core i9-7940X
14C 28T @ 4.30 GHz |
AMD Ryzen 9 PRO 3900
12C 24T @ 3.10 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
Devices using this processor |
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AMD Ryzen 9 PRO 3900 | Intel Core i9-7940X |
Unknown | Unknown |