Intel Xeon Gold 6421N | AMD Ryzen 9 PRO 5945 | |
CPU comparisonIntel Xeon Gold 6421N or AMD Ryzen 9 PRO 5945 - 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 Intel Xeon Gold 6421N has 32 cores with 64 threads and clocks with a maximum frequency of 3.60 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The Intel Xeon Gold 6421N was released in Q1/2023. The AMD Ryzen 9 PRO 5945 has 12 cores with 24 threads and clocks with a maximum frequency of 4.70 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The AMD Ryzen 9 PRO 5945 was released in Q3/2022. |
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Intel Xeon Gold (163) | Family | AMD Ryzen 5 (86) |
Intel Xeon Gold 5400/6400 (25) | CPU group | AMD Ryzen 5000U (13) |
4 | Generation | 4 |
Sapphire Rapids | Architecture | Cezanne (Zen 3) |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Xeon Gold 6421N has 32 CPU cores and can calculate 64 threads in parallel. The clock frequency of the Intel Xeon Gold 6421N is 1.80 GHz (3.60 GHz) while the AMD Ryzen 9 PRO 5945 has 12 CPU cores and 24 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 9 PRO 5945 is at 3.00 GHz (4.70 GHz). |
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Intel Xeon Gold 6421N | Characteristic | AMD Ryzen 9 PRO 5945 |
32 | Cores | 12 |
64 | Threads | 24 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | Yes |
1.80 GHz | Frequency | 3.00 GHz |
3.60 GHz | Turbo Frequency (1 Core) | 4.70 GHz |
-- | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe Intel Xeon Gold 6421N can use up to 4096 GB of memory in 8 memory channels. The maximum memory bandwidth is 281.6 GB/s. The AMD Ryzen 9 PRO 5945 supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 51.2 GB/s. |
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Intel Xeon Gold 6421N | Characteristic | AMD Ryzen 9 PRO 5945 |
DDR5-4400 | Memory | LPDDR4-4266, DDR4-3200 |
4096 GB | Max. Memory | 64 GB |
8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
281.6 GB/s | Max. Bandwidth | 51.2 GB/s |
Yes | ECC | No |
-- | L2 Cache | 6.00 MB |
60.00 MB | L3 Cache | 64.00 MB |
5.0 | PCIe version | 4.0 |
80 | PCIe lanes | -- |
315.0 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Xeon Gold 6421N is 185 W, while the AMD Ryzen 9 PRO 5945 has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Intel Xeon Gold 6421N | Characteristic | AMD Ryzen 9 PRO 5945 |
185 W | TDP (PL1 / PBP) | 65 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 95 °C |
Technical detailsThe Intel Xeon Gold 6421N is manufactured in 10 nm and has 60.00 MB cache. The AMD Ryzen 9 PRO 5945 is manufactured in 7 nm and has a 70.00 MB cache. |
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Intel Xeon Gold 6421N | Characteristic | AMD Ryzen 9 PRO 5945 |
10 nm | Technology | 7 nm |
Chiplet | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
LGA 4677 | Socket | AM4 (PGA 1331) |
VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q1/2023 | Release date | Q3/2022 |
2368 $ | Release price | -- |
show more data | show more data | |
Intel Xeon Gold 6421N
32C 64T @ 3.60 GHz |
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AMD Ryzen 9 PRO 5945
12C 24T @ 4.70 GHz |
Intel Xeon Gold 6421N
32C 64T @ 1.80 GHz |
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AMD Ryzen 9 PRO 5945
12C 24T @ 3.00 GHz |
Intel Xeon Gold 6421N
32C 64T @ 3.60 GHz |
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AMD Ryzen 9 PRO 5945
12C 24T @ 4.70 GHz |
Intel Xeon Gold 6421N
32C 64T @ 1.80 GHz |
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AMD Ryzen 9 PRO 5945
12C 24T @ 3.00 GHz |
Intel Xeon Gold 6421N
32C 64T @ 1.80 GHz |
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AMD Ryzen 9 PRO 5945
12C 24T @ 3.00 GHz |
Devices using this processor |
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Intel Xeon Gold 6421N | AMD Ryzen 9 PRO 5945 |
Unknown | Unknown |