AMD EPYC 7551 | Intel Xeon W-2255 | |
CPU comparisonAMD EPYC 7551 or Intel Xeon W-2255 - 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 Intel Xeon W-2255 has 10 cores with 20 threads and clocks with a maximum frequency of 4.70 GHz. The CPU supports up to 1024 GB of memory in 4 memory channels. The Intel Xeon W-2255 was released in Q4/2019. |
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AMD EPYC (129) | Family | Intel Xeon W (83) |
AMD EPYC 7001 (12) | CPU group | Intel Xeon W-2200/3200 (17) |
1 | Generation | 7 |
Naples (Zen) | Architecture | Cascade Lake W |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | Intel Xeon W-2155 |
AMD EPYC 7552 | Successor | Intel Xeon w5-2455X |
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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 Intel Xeon W-2255 has 10 CPU cores and 20 threads can calculate simultaneously. The clock frequency of the Intel Xeon W-2255 is at 3.70 GHz (4.70 GHz). |
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AMD EPYC 7551 | Characteristic | Intel Xeon W-2255 |
32 | Cores | 10 |
64 | Threads | 20 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
2.00 GHz | Frequency | 3.70 GHz |
3.00 GHz | Turbo Frequency (1 Core) | 4.70 GHz |
2.55 GHz | Turbo Frequency (All Cores) | 4.40 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 Intel Xeon W-2255 supports up to 1024 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 93.8 GB/s. |
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AMD EPYC 7551 | Characteristic | Intel Xeon W-2255 |
DDR4-2666 | Memory | DDR4-2933 |
Max. Memory | 1024 GB | |
8 (Octa Channel) | Memory channels | 4 (Quad Channel) |
170.6 GB/s | Max. Bandwidth | 93.8 GB/s |
Yes | ECC | Yes |
-- | L2 Cache | -- |
64.00 MB | L3 Cache | 19.25 MB |
3.0 | PCIe version | 3.0 |
128 | PCIe lanes | 48 |
126.1 GB/s | PCIe Bandwidth | 47.3 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 7551 is 180 W, while the Intel Xeon W-2255 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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AMD EPYC 7551 | Characteristic | Intel Xeon W-2255 |
180 W | TDP (PL1 / PBP) | 165 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD EPYC 7551 is manufactured in 14 nm and has 64.00 MB cache. The Intel Xeon W-2255 is manufactured in 14 nm and has a 19.25 MB cache. |
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AMD EPYC 7551 | Characteristic | Intel Xeon W-2255 |
14 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 |
SP3 | Socket | LGA 2066 |
AMD-V, SVM | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q3/2017 | Release date | Q4/2019 |
3200 $ | Release price | 778 $ |
show more data | show more data | |
AMD EPYC 7551
32C 64T @ 2.55 GHz |
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Intel Xeon W-2255
10C 20T @ 4.40 GHz |
AMD EPYC 7551
32C 64T @ 3.00 GHz |
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Intel Xeon W-2255
10C 20T @ 4.70 GHz |
AMD EPYC 7551
32C 64T @ 2.55 GHz |
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Intel Xeon W-2255
10C 20T @ 4.40 GHz |
AMD EPYC 7551
32C 64T @ 3.00 GHz |
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Intel Xeon W-2255
10C 20T @ 4.70 GHz |
AMD EPYC 7551
32C 64T @ 2.55 GHz |
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Intel Xeon W-2255
10C 20T @ 4.40 GHz |
AMD EPYC 7551
32C 64T @ 3.00 GHz |
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Intel Xeon W-2255
10C 20T @ 4.70 GHz |
AMD EPYC 7551
32C 64T @ 2.55 GHz |
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Intel Xeon W-2255
10C 20T @ 4.40 GHz |
Devices using this processor |
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AMD EPYC 7551 | Intel Xeon W-2255 |
Unknown | Unknown |