AMD Ryzen 9 5900X | Intel Xeon Gold 6403N | |
CPU comparisonAMD Ryzen 9 5900X or Intel Xeon Gold 6403N - 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 Ryzen 9 5900X has 12 cores with 24 threads and clocks with a maximum frequency of 4.80 GHz. Up to 128 GB of memory is supported in 2 memory channels. The AMD Ryzen 9 5900X was released in Q4/2020. The Intel Xeon Gold 6403N has 24 cores with 48 threads and clocks with a maximum frequency of 3.60 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The Intel Xeon Gold 6403N was released in Q3/2023. |
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AMD Ryzen 9 (35) | Family | Intel Xeon Gold (163) |
AMD Ryzen 5000 (12) | CPU group | Intel Xeon Gold 5400/6400 Edge Enhanced (8) |
4 | Generation | 4 |
Vermeer (Zen 3) | Architecture | Sapphire Rapids Edge Enh. |
Desktop / Server | Segment | Desktop / Server |
AMD Ryzen 9 3900X | Predecessor | -- |
AMD Ryzen 9 7900X | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 9 5900X is a 12 core processor with a clock frequency of 3.70 GHz (4.80 GHz). The Intel Xeon Gold 6403N has 24 CPU cores with a clock frequency of 1.90 GHz (3.60 GHz). |
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AMD Ryzen 9 5900X | Characteristic | Intel Xeon Gold 6403N |
12 | Cores | 24 |
24 | Threads | 48 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | No |
3.70 GHz | Frequency | 1.90 GHz |
4.80 GHz | Turbo Frequency (1 Core) | 3.60 GHz |
4.50 GHz | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe AMD Ryzen 9 5900X supports a maximum of 128 GB of memory in 2 memory channels. The Intel Xeon Gold 6403N can connect up to 4096 GB of memory in 8 memory channels. |
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AMD Ryzen 9 5900X | Characteristic | Intel Xeon Gold 6403N |
DDR4-3200 | Memory | |
128 GB | Max. Memory | 4096 GB |
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
51.2 GB/s | Max. Bandwidth | 256.0 GB/s |
Yes | ECC | Yes |
6.00 MB | L2 Cache | -- |
64.00 MB | L3 Cache | 45.00 MB |
4.0 | PCIe version | 4.0 |
20 | PCIe lanes | 64 |
39.4 GB/s | PCIe Bandwidth | 126.0 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 9 5900X has a TDP of 105 W, that of the Intel Xeon Gold 6403N is 185 W. |
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AMD Ryzen 9 5900X | Characteristic | Intel Xeon Gold 6403N |
105 W | TDP (PL1 / PBP) | 185 W |
142 W | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
90 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 9 5900X has a 70.00 MB cache, while the Intel Xeon Gold 6403N cache has a total of 45.00 MB. |
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AMD Ryzen 9 5900X | Characteristic | Intel Xeon Gold 6403N |
7 nm | Technology | 10 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 | SSE4.1, SSE4.2, AVX2, AVX-512 |
AM4 (PGA 1331) | Socket | LGA 4677 |
AMD-V, SVM | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows, Linux |
Q4/2020 | Release date | Q3/2023 |
549 $ | Release price | 1796 $ |
show more data | show more data | |
AMD Ryzen 9 5900X
12C 24T @ 4.80 GHz |
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Intel Xeon Gold 6403N
24C 48T @ 3.60 GHz |
AMD Ryzen 9 5900X
12C 24T @ 4.80 GHz |
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Intel Xeon Gold 6403N
24C 48T @ 3.60 GHz |
AMD Ryzen 9 5900X
12C 24T @ 4.80 GHz |
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Intel Xeon Gold 6403N
24C 48T @ 3.60 GHz |
AMD Ryzen 9 5900X
12C 24T @ 4.50 GHz |
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Intel Xeon Gold 6403N
24C 48T @ 1.90 GHz |
AMD Ryzen 9 5900X
12C 24T @ 4.80 GHz |
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Intel Xeon Gold 6403N
24C 48T @ 3.60 GHz |
AMD Ryzen 9 5900X
12C 24T @ 4.50 GHz |
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Intel Xeon Gold 6403N
24C 48T @ 1.90 GHz |
AMD Ryzen 9 5900X
12C 24T @ 4.80 GHz |
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Intel Xeon Gold 6403N
24C 48T @ 3.60 GHz |
AMD Ryzen 9 5900X
12C 24T @ 4.50 GHz |
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Intel Xeon Gold 6403N
24C 48T @ 1.90 GHz |
AMD Ryzen 9 5900X
12C 24T @ 4.80 GHz |
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Intel Xeon Gold 6403N
24C 48T @ 3.60 GHz |
AMD Ryzen 9 5900X
12C 24T @ 4.50 GHz |
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Intel Xeon Gold 6403N
24C 48T @ 1.90 GHz |
AMD Ryzen 9 5900X
12C 24T @ 4.50 GHz |
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Intel Xeon Gold 6403N
24C 48T @ 1.90 GHz |
AMD Ryzen 9 5900X
12C 24T @ 4.50 GHz |
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Intel Xeon Gold 6403N
24C 48T @ 1.90 GHz |
AMD Ryzen 9 5900X
12C 24T @ 4.50 GHz |
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Intel Xeon Gold 6403N
24C 48T @ 1.90 GHz |
AMD Ryzen 9 5900X
12C 24T @ 3.70 GHz |
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Intel Xeon Gold 6403N
24C 48T @ 1.90 GHz |
AMD Ryzen 9 5900X
12C 24T @ 4.80 GHz |
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Intel Xeon Gold 6403N
24C 48T @ 3.60 GHz |
AMD Ryzen 9 5900X
12C 24T @ 4.50 GHz |
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Intel Xeon Gold 6403N
24C 48T @ 1.90 GHz |
AMD Ryzen 9 5900X
21,878 CB R23 MC @ 131 W |
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Intel Xeon Gold 6403N
1.90 GHz |
Devices using this processor |
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AMD Ryzen 9 5900X | Intel Xeon Gold 6403N |
Unknown | Unknown |