AMD EPYC 7551 | AMD Ryzen Threadripper 3970X | |
CPU comparisonAMD EPYC 7551 or AMD Ryzen Threadripper 3970X - 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 EPYC 7551 has 32 cores with 64 threads and clocks with a maximum frequency of 3.00 GHz. Up to GB of memory is supported in 8 memory channels. The AMD EPYC 7551 was released in Q3/2017. The AMD Ryzen Threadripper 3970X has 32 cores with 64 threads and clocks with a maximum frequency of 4.50 GHz. The CPU supports up to 2048 GB of memory in 4 memory channels. The AMD Ryzen Threadripper 3970X was released in Q4/2019. |
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AMD EPYC (129) | Family | AMD Ryzen Threadripper (13) |
AMD EPYC 7001 (12) | CPU group | AMD Ryzen Threadripper 3000 (3) |
1 | Generation | 3 |
Naples (Zen) | Architecture | Castle Peak (Zen 2) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | AMD Ryzen Threadripper 2970WX |
AMD EPYC 7552 | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 7551 has 32 CPU cores and can calculate 64 threads in parallel. The clock frequency of the AMD EPYC 7551 is 2.00 GHz (3.00 GHz) while the AMD Ryzen Threadripper 3970X has 32 CPU cores and 64 threads can calculate simultaneously. The clock frequency of the AMD Ryzen Threadripper 3970X is at 3.70 GHz (4.50 GHz). |
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AMD EPYC 7551 | Characteristic | AMD Ryzen Threadripper 3970X |
32 | Cores | 32 |
64 | Threads | 64 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | Yes |
2.00 GHz | Frequency | 3.70 GHz |
3.00 GHz | Turbo Frequency (1 Core) | 4.50 GHz |
2.55 GHz | Turbo Frequency (All Cores) | 3.80 GHz |
Memory & PCIeThe AMD EPYC 7551 can use up to GB of memory in 8 memory channels. The maximum memory bandwidth is 170.6 GB/s. The AMD Ryzen Threadripper 3970X supports up to 2048 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 51.2 GB/s. |
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AMD EPYC 7551 | Characteristic | AMD Ryzen Threadripper 3970X |
DDR4-2666 | Memory | DDR4-3200 |
Max. Memory | 2048 GB | |
8 (Octa Channel) | Memory channels | 4 (Quad Channel) |
170.6 GB/s | Max. Bandwidth | 51.2 GB/s |
Yes | ECC | Yes |
-- | L2 Cache | 16.00 MB |
64.00 MB | L3 Cache | 128.00 MB |
3.0 | PCIe version | 4.0 |
128 | PCIe lanes | 64 |
126.1 GB/s | PCIe Bandwidth | 126.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 7551 is 180 W, while the AMD Ryzen Threadripper 3970X 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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AMD EPYC 7551 | Characteristic | AMD Ryzen Threadripper 3970X |
180 W | TDP (PL1 / PBP) | 280 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 95 °C |
Technical detailsThe AMD EPYC 7551 is manufactured in 14 nm and has 64.00 MB cache. The AMD Ryzen Threadripper 3970X is manufactured in 7 nm and has a 144.00 MB cache. |
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AMD EPYC 7551 | Characteristic | AMD Ryzen Threadripper 3970X |
14 nm | Technology | 7 nm |
Chiplet | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
SP3 | Socket | TRX4 (sTRX4) |
AMD-V, SVM | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q3/2017 | Release date | Q4/2019 |
3200 $ | Release price | 1969 $ |
show more data | show more data | |
AMD EPYC 7551
32C 64T @ 2.55 GHz |
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AMD Ryzen Threadripper 3970X
32C 64T @ 3.80 GHz |
AMD EPYC 7551
32C 64T @ 3.00 GHz |
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AMD Ryzen Threadripper 3970X
32C 64T @ 4.50 GHz |
AMD EPYC 7551
32C 64T @ 2.55 GHz |
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AMD Ryzen Threadripper 3970X
32C 64T @ 3.80 GHz |
AMD EPYC 7551
32C 64T @ 3.00 GHz |
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AMD Ryzen Threadripper 3970X
32C 64T @ 4.50 GHz |
AMD EPYC 7551
32C 64T @ 2.55 GHz |
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AMD Ryzen Threadripper 3970X
32C 64T @ 3.80 GHz |
AMD EPYC 7551
32C 64T @ 3.00 GHz |
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AMD Ryzen Threadripper 3970X
32C 64T @ 4.50 GHz |
AMD EPYC 7551
32C 64T @ 2.55 GHz |
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AMD Ryzen Threadripper 3970X
32C 64T @ 3.80 GHz |
AMD EPYC 7551
32C 64T @ 3.00 GHz |
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AMD Ryzen Threadripper 3970X
32C 64T @ 4.50 GHz |
AMD EPYC 7551
32C 64T @ 2.55 GHz |
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AMD Ryzen Threadripper 3970X
32C 64T @ 3.80 GHz |
AMD EPYC 7551
32C 64T @ 3.00 GHz |
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AMD Ryzen Threadripper 3970X
32C 64T @ 4.50 GHz |
AMD EPYC 7551
32C 64T @ 2.55 GHz |
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AMD Ryzen Threadripper 3970X
32C 64T @ 3.80 GHz |
AMD EPYC 7551
32C 64T @ 2.55 GHz |
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AMD Ryzen Threadripper 3970X
32C 64T @ 3.80 GHz |
AMD EPYC 7551
32C 64T @ 2.55 GHz |
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AMD Ryzen Threadripper 3970X
32C 64T @ 3.80 GHz |
AMD EPYC 7551
32C 64T @ 2.00 GHz |
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AMD Ryzen Threadripper 3970X
32C 64T @ 3.70 GHz |
Devices using this processor |
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AMD EPYC 7551 | AMD Ryzen Threadripper 3970X |
Unknown | Unknown |