Intel Xeon W-3365 vs Intel Xeon D-1521
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CPU comparison with benchmarks
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| Intel Xeon W-3365 | Intel Xeon D-1521 | |
CPU comparisonIn this CPU comparison, we compare the Intel Xeon W-3365 and the Intel Xeon D-1521 and use benchmarks to check which processor is faster.
We compare the Intel Xeon W-3365 32 core processor released in Q3/2021 with the Intel Xeon D-1521 which has 4 CPU cores and was introduced in Q4/2015. |
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| Intel Xeon W (83) | Family | Intel Xeon D (79) |
| Intel Xeon W-3300 (5) | CPU group | Intel Xeon D-1500 (22) |
| 8 | Generation | 1 |
| Ice Lake W | Architecture | Broadwell |
| Desktop / Server | Segment | Desktop / Server |
| Intel Xeon W-3265 | Predecessor | -- |
| Intel Xeon w7-3465X | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Xeon W-3365 is a 32 core processor with a clock frequency of 2.70 GHz (4.00 GHz). The processor can compute 64 threads at the same time. The Intel Xeon D-1521 clocks with 2.40 GHz (2.70 GHz), has 4 CPU cores and can calculate 8 threads in parallel. |
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| Intel Xeon W-3365 | Characteristic | Intel Xeon D-1521 |
| 32 | Cores | 4 |
| 64 | Threads | 8 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 2.70 GHz | Frequency | 2.40 GHz |
| 4.00 GHz | Turbo Frequency (1 Core) | 2.70 GHz |
| 3.40 GHz | Turbo Frequency (All Cores) | 2.40 GHz |
Memory & PCIeUp to 4096 GB of memory in a maximum of 8 memory channels is supported by the Intel Xeon W-3365, while the Intel Xeon D-1521 supports a maximum of 128 GB of memory with a maximum memory bandwidth of 34.1 GB/s enabled. |
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| Intel Xeon W-3365 | Characteristic | Intel Xeon D-1521 |
| DDR4-3200 | Memory | DDR4-2133 |
| 4096 GB | Max. Memory | 128 GB |
| 8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
| 204.8 GB/s | Max. Bandwidth | 34.1 GB/s |
| Yes | ECC | Yes |
| 40.00 MB | L2 Cache | 6.00 MB |
| 48.00 MB | L3 Cache | -- |
| 4.0 | PCIe version | 3.0 |
| 64 | PCIe lanes | 32 |
| 126.0 GB/s | PCIe Bandwidth | 31.5 GB/s |
Thermal ManagementThe Intel Xeon W-3365 has a TDP of 270 W. The TDP of the Intel Xeon D-1521 is 45 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| Intel Xeon W-3365 | Characteristic | Intel Xeon D-1521 |
| 270 W | TDP (PL1 / PBP) | 45 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe Intel Xeon W-3365 has 88.00 MB cache and is manufactured in 10 nm. The cache of Intel Xeon D-1521 is at 6.00 MB. The processor is manufactured in 14 nm. |
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| Intel Xeon W-3365 | Characteristic | Intel Xeon D-1521 |
| 10 nm | Technology | 14 nm |
| Monolithic | 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, AVX2 |
| LGA 4189 | Socket | BGA 1667 |
| 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 |
| Q3/2021 | Release date | Q4/2015 |
| 3499 $ | Release price | 216 $ |
| show more data | show more data | |
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32C 64T @ 2.70 GHz (4.00 GHz) buy now on Amazon and save!
4C 8T @ 2.40 GHz (2.70 GHz) buy now on Amazon and save!
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Average performance in benchmarks
⌀ Single core performance in 0 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks
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 W-3365
32C 64T @ 3.40 GHz |
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Intel Xeon D-1521
4C 8T @ 2.40 GHz |
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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 W-3365
32C 64T @ 4.00 GHz |
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Intel Xeon D-1521
4C 8T @ 2.70 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 W-3365
32C 64T @ 3.40 GHz |
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Intel Xeon D-1521
4C 8T @ 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 W-3365
32C 64T @ 4.00 GHz |
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Intel Xeon D-1521
4C 8T @ 2.70 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 W-3365
32C 64T @ 3.40 GHz |
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Intel Xeon D-1521
4C 8T @ 2.40 GHz |
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Devices using this processor |
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| Intel Xeon W-3365 | Intel Xeon D-1521 |
| Unknown | Unknown |
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