Intel Atom C3955 | Intel Xeon Platinum 8156 | |
CPU comparisonIntel Atom C3955 or Intel Xeon Platinum 8156 - 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 C3955 has 16 cores with 16 threads and clocks with a maximum frequency of 2.40 GHz. Up to 256 GB of memory is supported in 2 memory channels. The Intel Atom C3955 was released in Q3/2017. The Intel Xeon Platinum 8156 has 4 cores with 8 threads and clocks with a maximum frequency of 3.70 GHz. The CPU supports up to 768 GB of memory in 6 memory channels. The Intel Xeon Platinum 8156 was released in Q3/2017. |
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Intel Atom (108) | Family | Intel Xeon Platinum (89) |
Intel Atom C3000 (20) | CPU group | Intel Xeon Platinum 8100 (16) |
5 | Generation | 1 |
Denverton | Architecture | Skylake |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Atom C3955 has 16 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Atom C3955 is 2.10 GHz (2.40 GHz) while the Intel Xeon Platinum 8156 has 4 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Intel Xeon Platinum 8156 is at 3.60 GHz (3.70 GHz). |
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Intel Atom C3955 | Characteristic | Intel Xeon Platinum 8156 |
16 | Cores | 4 |
16 | Threads | 8 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | No |
2.10 GHz | Frequency | 3.60 GHz |
2.40 GHz | Turbo Frequency (1 Core) | 3.70 GHz |
2.40 GHz | Turbo Frequency (All Cores) | 3.70 GHz |
Memory & PCIeThe Intel Atom C3955 can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 38.4 GB/s. The Intel Xeon Platinum 8156 supports up to 768 GB of memory in 6 memory channels and achieves a memory bandwidth of up to 128.1 GB/s. |
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Intel Atom C3955 | Characteristic | Intel Xeon Platinum 8156 |
DDR4-2400 | Memory | DDR4-2666 |
256 GB | Max. Memory | 768 GB |
2 (Dual Channel) | Memory channels | 6 (Hexa Channel) |
38.4 GB/s | Max. Bandwidth | 128.1 GB/s |
Yes | ECC | Yes |
16.00 MB | L2 Cache | -- |
-- | L3 Cache | 17.00 MB |
3.0 | PCIe version | 3.0 |
16 | PCIe lanes | 48 |
15.8 GB/s | PCIe Bandwidth | 47.3 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Atom C3955 is 32 W, while the Intel Xeon Platinum 8156 has a TDP of 105 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Intel Atom C3955 | Characteristic | Intel Xeon Platinum 8156 |
32 W | TDP (PL1 / PBP) | 105 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
100 °C | Tjunction max. | -- |
Technical detailsThe Intel Atom C3955 is manufactured in 14 nm and has 16.00 MB cache. The Intel Xeon Platinum 8156 is manufactured in 14 nm and has a 17.00 MB cache. |
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Intel Atom C3955 | Characteristic | Intel Xeon Platinum 8156 |
14 nm | Technology | 14 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2 | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512 |
BGA 1310 | Socket | LGA 3647 |
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 10, Linux |
Q3/2017 | Release date | Q3/2017 |
434 $ | Release price | 7000 $ |
show more data | show more data | |
Intel Atom C3955
16C 16T @ 2.40 GHz |
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Intel Xeon Platinum 8156
4C 8T @ 3.70 GHz |
Intel Atom C3955
16C 16T @ 2.40 GHz |
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Intel Xeon Platinum 8156
4C 8T @ 3.70 GHz |
Intel Atom C3955
16C 16T @ 2.40 GHz |
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Intel Xeon Platinum 8156
4C 8T @ 3.70 GHz |
Intel Atom C3955
16C 16T @ 2.40 GHz |
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Intel Xeon Platinum 8156
4C 8T @ 3.70 GHz |
Devices using this processor |
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Intel Atom C3955 | Intel Xeon Platinum 8156 |
Unknown | Unknown |