Intel Atom C5125 | Intel Xeon Gold 6421N | |
CPU comparisonIntel Atom C5125 or Intel Xeon Gold 6421N - 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 Atom C5125 has 8 cores with 8 threads and clocks with a maximum frequency of 2.80 GHz. Up to 256 GB of memory is supported in 2 memory channels. The Intel Atom C5125 was released in Q2/2022. The Intel Xeon Gold 6421N has 32 cores with 64 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 6421N was released in Q1/2023. |
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Intel Atom (108) | Family | Intel Xeon Gold (163) |
Intel Atom C5000 (5) | CPU group | Intel Xeon Gold 5400/6400 (25) |
6 | Generation | 4 |
Parker Ridge | Architecture | Sapphire Rapids |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Atom C5125 is a 8 core processor with a clock frequency of 2.80 GHz. The Intel Xeon Gold 6421N has 32 CPU cores with a clock frequency of 1.80 GHz (3.60 GHz). |
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Intel Atom C5125 | Characteristic | Intel Xeon Gold 6421N |
8 | Cores | 32 |
8 | Threads | 64 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | No |
2.80 GHz | Frequency | 1.80 GHz |
-- | Turbo Frequency (1 Core) | 3.60 GHz |
-- | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe Intel Atom C5125 supports a maximum of 256 GB of memory in 2 memory channels. The Intel Xeon Gold 6421N can connect up to 4096 GB of memory in 8 memory channels. |
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Intel Atom C5125 | Characteristic | Intel Xeon Gold 6421N |
DDR4-2933 | Memory | DDR5-4400 |
256 GB | Max. Memory | 4096 GB |
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
46.9 GB/s | Max. Bandwidth | 281.6 GB/s |
Yes | ECC | Yes |
9.00 MB | L2 Cache | -- |
-- | L3 Cache | 60.00 MB |
3.0 | PCIe version | 5.0 |
32 | PCIe lanes | 80 |
31.5 GB/s | PCIe Bandwidth | 315.0 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Atom C5125 has a TDP of 50 W, that of the Intel Xeon Gold 6421N is 185 W. |
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Intel Atom C5125 | Characteristic | Intel Xeon Gold 6421N |
50 W | TDP (PL1 / PBP) | 185 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
100 °C | Tjunction max. | -- |
Technical detailsThe Intel Atom C5125 has a 9.00 MB cache, while the Intel Xeon Gold 6421N cache has a total of 60.00 MB. |
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Intel Atom C5125 | Characteristic | Intel Xeon Gold 6421N |
10 nm | Technology | 10 nm |
Monolithic | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, Intel QAT | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512 |
BGA 2106 | Socket | LGA 4677 |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows, Linux |
Q2/2022 | Release date | Q1/2023 |
-- | Release price | 2368 $ |
show more data | show more data | |
Intel Atom C5125
8C 8T @ 2.80 GHz |
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Intel Xeon Gold 6421N
32C 64T @ 1.80 GHz |
Devices using this processor |
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Intel Atom C5125 | Intel Xeon Gold 6421N |
Unknown | Unknown |