AMD EPYC 7773X | Intel Atom C3955 | |
CPU comparisonAMD EPYC 7773X or Intel Atom C3955 - 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 7773X has 64 cores with 128 threads and clocks with a maximum frequency of 3.50 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The AMD EPYC 7773X was released in Q2/2022. The Intel Atom C3955 has 16 cores with 16 threads and clocks with a maximum frequency of 2.40 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The Intel Atom C3955 was released in Q3/2017. |
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AMD EPYC (129) | Family | Intel Atom (108) |
AMD EPYC 7003 (29) | CPU group | Intel Atom C3000 (20) |
3 | Generation | 5 |
Milan (Zen 3) | Architecture | Denverton |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 7773X has 64 CPU cores and can calculate 128 threads in parallel. The clock frequency of the AMD EPYC 7773X is 2.20 GHz (3.50 GHz) while the Intel Atom C3955 has 16 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the Intel Atom C3955 is at 2.10 GHz (2.40 GHz). |
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AMD EPYC 7773X | Characteristic | Intel Atom C3955 |
64 | Cores | 16 |
128 | Threads | 16 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
2.20 GHz | Frequency | 2.10 GHz |
3.50 GHz | Turbo Frequency (1 Core) | 2.40 GHz |
-- | Turbo Frequency (All Cores) | 2.40 GHz |
Memory & PCIeThe AMD EPYC 7773X can use up to 4096 GB of memory in 8 memory channels. The maximum memory bandwidth is 204.8 GB/s. The Intel Atom C3955 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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AMD EPYC 7773X | Characteristic | Intel Atom C3955 |
DDR4-3200 | Memory | DDR4-2400 |
4096 GB | Max. Memory | 256 GB |
8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
204.8 GB/s | Max. Bandwidth | 38.4 GB/s |
Yes | ECC | Yes |
32.00 MB | L2 Cache | 16.00 MB |
768.00 MB | L3 Cache | -- |
4.0 | PCIe version | 3.0 |
128 | PCIe lanes | 16 |
252.0 GB/s | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 7773X is 280 W, while the Intel Atom C3955 has a TDP of 32 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD EPYC 7773X | Characteristic | Intel Atom C3955 |
280 W | TDP (PL1 / PBP) | 32 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
225 W | TDP down | -- |
-- | Tjunction max. | 100 °C |
Technical detailsThe AMD EPYC 7773X is manufactured in 7 nm and has 800.00 MB cache. The Intel Atom C3955 is manufactured in 14 nm and has a 16.00 MB cache. |
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AMD EPYC 7773X | Characteristic | Intel Atom C3955 |
7 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 |
SP3 | Socket | BGA 1310 |
AMD-V, SVM | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q2/2022 | Release date | Q3/2017 |
8800 $ | Release price | 434 $ |
show more data | show more data | |
AMD EPYC 7773X
64C 128T @ 3.50 GHz |
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Intel Atom C3955
16C 16T @ 2.40 GHz |
AMD EPYC 7773X
64C 128T @ 2.20 GHz |
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Intel Atom C3955
16C 16T @ 2.40 GHz |
AMD EPYC 7773X
64C 128T @ 3.50 GHz |
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Intel Atom C3955
16C 16T @ 2.40 GHz |
AMD EPYC 7773X
64C 128T @ 3.50 GHz |
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Intel Atom C3955
16C 16T @ 2.40 GHz |
AMD EPYC 7773X
64C 128T @ 3.50 GHz |
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Intel Atom C3955
16C 16T @ 2.40 GHz |
AMD EPYC 7773X
64C 128T @ 2.20 GHz |
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Intel Atom C3955
16C 16T @ 2.40 GHz |
Devices using this processor |
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AMD EPYC 7773X | Intel Atom C3955 |
Unknown | Unknown |