AMD EPYC 9335 vs Intel Xeon D-1521
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Note: The information shown below is based on rumors and unoffical information. Technical details or benchmark results may be different in the final version of this processor. |
CPU comparison with benchmarks
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| AMD EPYC 9335 | Intel Xeon D-1521 | |
CPU comparisonAMD EPYC 9335 or Intel Xeon D-1521 - 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 9335 has 32 cores with 64 threads and clocks with a maximum frequency of 3.30 GHz. Up to 6144 GB of memory is supported in 12 memory channels. The AMD EPYC 9335 was released in Q4/2024. The Intel Xeon D-1521 has 4 cores with 8 threads and clocks with a maximum frequency of 2.70 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Xeon D-1521 was released in Q4/2015. |
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| AMD EPYC (129) | Family | Intel Xeon D (79) |
| AMD EPYC 9005 (21) | CPU group | Intel Xeon D-1500 (22) |
| 5 | Generation | 1 |
| Turin (Zen 5 / Zen 5c) | Architecture | Broadwell |
| Desktop / Server | Segment | Desktop / Server |
| AMD EPYC 9334 | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 9335 has 32 CPU cores and can calculate 64 threads in parallel. The clock frequency of the AMD EPYC 9335 is 3.30 GHz while the Intel Xeon D-1521 has 4 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Intel Xeon D-1521 is at 2.40 GHz (2.70 GHz). |
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| AMD EPYC 9335 | Characteristic | Intel Xeon D-1521 |
| 32 | Cores | 4 |
| 64 | Threads | 8 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 3.30 GHz | Frequency | 2.40 GHz |
| -- | Turbo Frequency (1 Core) | 2.70 GHz |
| -- | Turbo Frequency (All Cores) | 2.40 GHz |
Memory & PCIeThe AMD EPYC 9335 can use up to 6144 GB of memory in 12 memory channels. The maximum memory bandwidth is 480.0 GB/s. The Intel Xeon D-1521 supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 34.1 GB/s. |
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| AMD EPYC 9335 | Characteristic | Intel Xeon D-1521 |
| DDR5-6000 | Memory | DDR4-2133 |
| 6144 GB | Max. Memory | 128 GB |
| 12 | Memory channels | 2 (Dual Channel) |
| 480.0 GB/s | Max. Bandwidth | 34.1 GB/s |
| Yes | ECC | Yes |
| -- | L2 Cache | 6.00 MB |
| 128.00 MB | L3 Cache | -- |
| 5.0 | PCIe version | 3.0 |
| 128 | PCIe lanes | 32 |
| 504.1 GB/s | PCIe Bandwidth | 31.5 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 9335 is 210 W, while the Intel Xeon D-1521 has a TDP of 45 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD EPYC 9335 | Characteristic | Intel Xeon D-1521 |
| 210 W | TDP (PL1 / PBP) | 45 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 100 °C | Tjunction max. | -- |
Technical detailsThe AMD EPYC 9335 is manufactured in 4 nm and has 128.00 MB cache. The Intel Xeon D-1521 is manufactured in 14 nm and has a 6.00 MB cache. |
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| AMD EPYC 9335 | Characteristic | Intel Xeon D-1521 |
| 4 nm | Technology | 14 nm |
| Chiplet | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI | ISA extensions | SSE4.1, SSE4.2, AVX2 |
| SP5 | Socket | BGA 1667 |
| AMD-V, SVM | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Windows Server 2022, Linux, Windows 11 | Operating systems | Windows 10, Linux |
| Q4/2024 | Release date | Q4/2015 |
| -- | Release price | 216 $ |
| show more data | show more data | |
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4C 8T @ 2.40 GHz (2.70 GHz) buy now on Amazon and save!
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Rate these processors
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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AMD EPYC 9335
32C 64T @ 3.30 GHzNot verified |
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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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AMD EPYC 9335
32C 64T @ 3.30 GHzNot verified |
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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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AMD EPYC 9335
32C 64T @ 3.30 GHzNot verified |
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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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AMD EPYC 9335
32C 64T @ 3.30 GHzNot verified |
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Intel Xeon D-1521
4C 8T @ 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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AMD EPYC 9335
32C 64T @ 3.30 GHzNot verified |
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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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| AMD EPYC 9335 | Intel Xeon D-1521 |
| Unknown | Unknown |
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