Intel Xeon D-1520 vs Intel Atom C3955
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CPU comparison with benchmarks
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| Intel Xeon D-1520 | Intel Atom C3955 | |
CPU comparisonIn this CPU comparison, we compare the Intel Xeon D-1520 and the Intel Atom C3955 and use benchmarks to check which processor is faster.
We compare the Intel Xeon D-1520 4 core processor released in Q4/2015 with the Intel Atom C3955 which has 16 CPU cores and was introduced in Q3/2017. |
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| Intel Xeon D (79) | Family | Intel Atom (108) |
| Intel Xeon D-1500 (22) | CPU group | Intel Atom C3000 (20) |
| 1 | Generation | 5 |
| Broadwell | Architecture | Denverton |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Xeon D-1520 is a 4 core processor with a clock frequency of 2.20 GHz (2.60 GHz). The processor can compute 8 threads at the same time. The Intel Atom C3955 clocks with 2.10 GHz (2.40 GHz), has 16 CPU cores and can calculate 16 threads in parallel. |
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| Intel Xeon D-1520 | Characteristic | Intel Atom C3955 |
| 4 | Cores | 16 |
| 8 | Threads | 16 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.20 GHz | Frequency | 2.10 GHz |
| 2.60 GHz | Turbo Frequency (1 Core) | 2.40 GHz |
| 2.20 GHz | Turbo Frequency (All Cores) | 2.40 GHz |
Memory & PCIeUp to 128 GB of memory in a maximum of 2 memory channels is supported by the Intel Xeon D-1520, while the Intel Atom C3955 supports a maximum of 256 GB of memory with a maximum memory bandwidth of 38.4 GB/s enabled. |
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| Intel Xeon D-1520 | Characteristic | Intel Atom C3955 |
| DDR4-2133 | Memory | DDR4-2400 |
| 128 GB | Max. Memory | 256 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 34.1 GB/s | Max. Bandwidth | 38.4 GB/s |
| Yes | ECC | Yes |
| 6.00 MB | L2 Cache | 16.00 MB |
| -- | L3 Cache | -- |
| 3.0 | PCIe version | 3.0 |
| 32 | PCIe lanes | 16 |
| 31.5 GB/s | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe Intel Xeon D-1520 has a TDP of 45 W. The TDP of the Intel Atom C3955 is 32 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| Intel Xeon D-1520 | Characteristic | Intel Atom C3955 |
| 45 W | TDP (PL1 / PBP) | 32 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | 100 °C |
Technical detailsThe Intel Xeon D-1520 has 6.00 MB cache and is manufactured in 14 nm. The cache of Intel Atom C3955 is at 16.00 MB. The processor is manufactured in 14 nm. |
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| Intel Xeon D-1520 | Characteristic | Intel Atom C3955 |
| 14 nm | Technology | 14 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE4.1, SSE4.2 |
| BGA 1667 | Socket | BGA 1310 |
| 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 |
| Q4/2015 | Release date | Q3/2017 |
| 216 $ | Release price | 434 $ |
| show more data | show more data | |
4C 8T @ 2.20 GHz (2.60 GHz) buy now on Amazon and save!
16C 16T @ 2.10 GHz (2.40 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks
Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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Intel Xeon D-1520
4C 8T @ 2.60 GHz |
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Intel Atom C3955
16C 16T @ 2.40 GHz |
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Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Xeon D-1520
4C 8T @ 2.20 GHz |
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Intel Atom C3955
16C 16T @ 2.40 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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Intel Xeon D-1520
4C 8T @ 2.60 GHz |
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Intel Atom C3955
16C 16T @ 2.40 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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Intel Xeon D-1520
4C 8T @ 2.20 GHz |
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Intel Atom C3955
16C 16T @ 2.40 GHz |
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Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
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Intel Xeon D-1520
4C 8T @ 2.20 GHz |
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Intel Atom C3955
16C 16T @ 2.40 GHz |
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Devices using this processor |
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| Intel Xeon D-1520 | Intel Atom C3955 |
| Unknown | Unknown |
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