AMD EPYC 7551 | Intel Xeon Gold 6138T | |
CPU comparisonAMD EPYC 7551 or Intel Xeon Gold 6138T - 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 Gold 6138T has 20 cores with 40 threads and clocks with a maximum frequency of 3.70 GHz. The CPU supports up to 768 GB of memory in 6 memory channels. The Intel Xeon Gold 6138T was released in Q3/2017. |
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AMD EPYC (129) | Family | Intel Xeon Gold (163) |
AMD EPYC 7001 (12) | CPU group | Intel Xeon Gold 5100/6100 (34) |
1 | Generation | 1 |
Naples (Zen) | Architecture | Skylake |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
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 Intel Xeon Gold 6138T has 20 CPU cores and 40 threads can calculate simultaneously. The clock frequency of the Intel Xeon Gold 6138T is at 2.00 GHz (3.70 GHz). |
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AMD EPYC 7551 | Characteristic | Intel Xeon Gold 6138T |
32 | Cores | 20 |
64 | Threads | 40 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
2.00 GHz | Frequency | 2.00 GHz |
3.00 GHz | Turbo Frequency (1 Core) | 3.70 GHz |
2.55 GHz | Turbo Frequency (All Cores) | 2.80 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 Intel Xeon Gold 6138T supports up to 768 GB of memory in 6 memory channels and achieves a memory bandwidth of up to 128.1 GB/s. |
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AMD EPYC 7551 | Characteristic | Intel Xeon Gold 6138T |
DDR4-2666 | Memory | DDR4-2666 |
Max. Memory | 768 GB | |
8 (Octa Channel) | Memory channels | 6 (Hexa Channel) |
170.6 GB/s | Max. Bandwidth | 128.1 GB/s |
Yes | ECC | Yes |
-- | L2 Cache | -- |
64.00 MB | L3 Cache | 28.00 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 Gold 6138T has a TDP of 125 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 Gold 6138T |
180 W | TDP (PL1 / PBP) | 125 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 Gold 6138T is manufactured in 14 nm and has a 28.00 MB cache. |
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AMD EPYC 7551 | Characteristic | Intel Xeon Gold 6138T |
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 3647 |
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 | Q3/2017 |
3200 $ | Release price | 2750 $ |
show more data | show more data | |
AMD EPYC 7551
32C 64T @ 2.55 GHz |
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Intel Xeon Gold 6138T
20C 40T @ 2.80 GHz |
AMD EPYC 7551
32C 64T @ 3.00 GHz |
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Intel Xeon Gold 6138T
20C 40T @ 3.70 GHz |
AMD EPYC 7551
32C 64T @ 2.55 GHz |
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Intel Xeon Gold 6138T
20C 40T @ 2.80 GHz |
AMD EPYC 7551
32C 64T @ 3.00 GHz |
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Intel Xeon Gold 6138T
20C 40T @ 3.70 GHz |
AMD EPYC 7551
32C 64T @ 2.55 GHz |
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Intel Xeon Gold 6138T
20C 40T @ 2.80 GHz |
Devices using this processor |
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AMD EPYC 7551 | Intel Xeon Gold 6138T |
Unknown | Unknown |