Intel Xeon Gold 6421N | Intel Atom C3950 | |
CPU comparisonIntel Xeon Gold 6421N or Intel Atom C3950 - 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 Intel Atom C3950 has 16 cores with 16 threads and clocks with a maximum frequency of 2.20 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The Intel Atom C3950 was released in Q3/2017. |
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Intel Xeon Gold (163) | Family | Intel Atom (108) |
Intel Xeon Gold 5400/6400 (25) | CPU group | Intel Atom C3000 (20) |
4 | Generation | 5 |
Sapphire Rapids | Architecture | Denverton |
Desktop / Server | Segment | Desktop / Server |
-- | 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 Intel Atom C3950 has 16 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the Intel Atom C3950 is at 1.70 GHz (2.20 GHz). |
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Intel Xeon Gold 6421N | Characteristic | Intel Atom C3950 |
32 | Cores | 16 |
64 | Threads | 16 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
1.80 GHz | Frequency | 1.70 GHz |
3.60 GHz | Turbo Frequency (1 Core) | 2.20 GHz |
-- | Turbo Frequency (All Cores) | 2.20 GHz |
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 Intel Atom C3950 supports up to 256 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s. |
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Intel Xeon Gold 6421N | Characteristic | Intel Atom C3950 |
DDR5-4400 | Memory | DDR4-2400 |
4096 GB | Max. Memory | 256 GB |
8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
281.6 GB/s | Max. Bandwidth | 38.4 GB/s |
Yes | ECC | Yes |
-- | L2 Cache | 16.00 MB |
60.00 MB | L3 Cache | -- |
5.0 | PCIe version | 3.0 |
80 | PCIe lanes | 16 |
315.0 GB/s | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Xeon Gold 6421N is 185 W, while the Intel Atom C3950 has a TDP of 24 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 | Intel Atom C3950 |
185 W | TDP (PL1 / PBP) | 24 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 100 °C |
Technical detailsThe Intel Xeon Gold 6421N is manufactured in 10 nm and has 60.00 MB cache. The Intel Atom C3950 is manufactured in 14 nm and has a 16.00 MB cache. |
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Intel Xeon Gold 6421N | Characteristic | Intel Atom C3950 |
10 nm | Technology | 14 nm |
Chiplet | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | SSE4.1, SSE4.2 |
LGA 4677 | Socket | BGA 1310 |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows, Linux | Operating systems | Windows 10, Linux |
Q1/2023 | Release date | Q3/2017 |
2368 $ | Release price | 389 $ |
show more data | show more data | |
Devices using this processor |
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Intel Xeon Gold 6421N | Intel Atom C3950 |
Unknown | Unknown |