AMD EPYC 7451 | Intel Xeon Platinum 8321HC | |
CPU comparisonAMD EPYC 7451 or Intel Xeon Platinum 8321HC - 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 7451 has 24 cores with 48 threads and clocks with a maximum frequency of 3.20 GHz. Up to GB of memory is supported in 8 memory channels. The AMD EPYC 7451 was released in Q3/2017. The Intel Xeon Platinum 8321HC has 26 cores with 52 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to 1146 GB of memory in 6 memory channels. The Intel Xeon Platinum 8321HC was released in Q2/2020. |
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AMD EPYC (129) | Family | Intel Xeon Platinum (89) |
AMD EPYC 7001 (12) | CPU group | Intel Xeon Platinum 8300 (CL) (10) |
1 | Generation | 3 |
Naples (Zen) | Architecture | Cooper Lake |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 7451 has 24 CPU cores and can calculate 48 threads in parallel. The clock frequency of the AMD EPYC 7451 is 2.30 GHz (3.20 GHz) while the Intel Xeon Platinum 8321HC has 26 CPU cores and 52 threads can calculate simultaneously. The clock frequency of the Intel Xeon Platinum 8321HC is at 1.40 GHz (3.00 GHz). |
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AMD EPYC 7451 | Characteristic | Intel Xeon Platinum 8321HC |
24 | Cores | 26 |
48 | Threads | 52 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
2.30 GHz | Frequency | 1.40 GHz |
3.20 GHz | Turbo Frequency (1 Core) | 3.00 GHz |
2.90 GHz | Turbo Frequency (All Cores) | 1.80 GHz |
Memory & PCIeThe AMD EPYC 7451 can use up to GB of memory in 8 memory channels. The maximum memory bandwidth is 170.6 GB/s. The Intel Xeon Platinum 8321HC supports up to 1146 GB of memory in 6 memory channels and achieves a memory bandwidth of up to 140.7 GB/s. |
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AMD EPYC 7451 | Characteristic | Intel Xeon Platinum 8321HC |
DDR4-2666 | Memory | DDR4-2933 |
Max. Memory | 1146 GB | |
8 (Octa Channel) | Memory channels | 6 (Hexa Channel) |
170.6 GB/s | Max. Bandwidth | 140.7 GB/s |
Yes | ECC | Yes |
-- | L2 Cache | -- |
64.00 MB | L3 Cache | 35.75 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 7451 is 180 W, while the Intel Xeon Platinum 8321HC has a TDP of 88 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD EPYC 7451 | Characteristic | Intel Xeon Platinum 8321HC |
180 W | TDP (PL1 / PBP) | 88 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD EPYC 7451 is manufactured in 14 nm and has 64.00 MB cache. The Intel Xeon Platinum 8321HC is manufactured in 14 nm and has a 35.75 MB cache. |
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AMD EPYC 7451 | Characteristic | Intel Xeon Platinum 8321HC |
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 4189 |
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 | Q2/2020 |
2400 $ | Release price | -- |
show more data | show more data | |
AMD EPYC 7451
24C 48T @ 3.20 GHz |
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Intel Xeon Platinum 8321HC
26C 52T @ 3.00 GHz |
AMD EPYC 7451
24C 48T @ 2.90 GHz |
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Intel Xeon Platinum 8321HC
26C 52T @ 1.80 GHz |
AMD EPYC 7451
24C 48T @ 3.20 GHz |
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Intel Xeon Platinum 8321HC
26C 52T @ 3.00 GHz |
AMD EPYC 7451
24C 48T @ 2.90 GHz |
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Intel Xeon Platinum 8321HC
26C 52T @ 1.80 GHz |
AMD EPYC 7451
24C 48T @ 2.90 GHz |
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Intel Xeon Platinum 8321HC
26C 52T @ 1.80 GHz |
AMD EPYC 7451
24C 48T @ 3.20 GHz |
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Intel Xeon Platinum 8321HC
26C 52T @ 3.00 GHz |
AMD EPYC 7451
24C 48T @ 2.90 GHz |
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Intel Xeon Platinum 8321HC
26C 52T @ 1.80 GHz |
Devices using this processor |
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AMD EPYC 7451 | Intel Xeon Platinum 8321HC |
Unknown | Unknown |