Intel Atom Z2520 vs Intel Xeon D-1577
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CPU comparison with benchmarks
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| Intel Atom Z2520 | Intel Xeon D-1577 | |
CPU comparisonIn this CPU comparison, we compare the Intel Atom Z2520 and the Intel Xeon D-1577 and use benchmarks to check which processor is faster.
We compare the Intel Atom Z2520 2 core processor released in Q2/2013 with the Intel Xeon D-1577 which has 16 CPU cores and was introduced in Q3/2017. |
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| Intel Atom (108) | Family | Intel Xeon D (79) |
| Intel Atom Z2500/Z2700 (3) | CPU group | Intel Xeon D-1500 (22) |
| 2 | Generation | 1 |
| Cloverview | Architecture | Broadwell |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Atom Z2520 is a 2 core processor with a clock frequency of 1.20 GHz. The processor can compute 4 threads at the same time. The Intel Xeon D-1577 clocks with 1.30 GHz (2.10 GHz), has 16 CPU cores and can calculate 32 threads in parallel. |
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| Intel Atom Z2520 | Characteristic | Intel Xeon D-1577 |
| 2 | Cores | 16 |
| 4 | Threads | 32 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 1.20 GHz | Frequency | 1.30 GHz |
| -- | Turbo Frequency (1 Core) | 2.10 GHz |
| -- | Turbo Frequency (All Cores) | 1.30 GHz |
Integrated graphics (iGPU)Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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| PowerVR SGX544 MP2 | GPU | no iGPU |
| 0.30 GHz | GPU frequency | -- |
| -- | GPU (Turbo) | -- |
| -- | GPU Generation | -- |
| 45nm | Technology | |
| 2 | Max. displays | |
| 4 | Compute units | -- |
| 8 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | -- |
| 10.1 | DirectX Version | -- |
Hardware codec supportA photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos. |
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| PowerVR SGX544 MP2 | GPU | no iGPU |
| No | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | No |
| No | Codec VP9 | No |
| Decode | Codec VP8 | No |
| No | Codec AV1 | No |
| No | Codec AVC | No |
| No | Codec VC-1 | No |
| No | Codec JPEG | No |
Memory & PCIeUp to 2 GB of memory in a maximum of 2 memory channels is supported by the Intel Atom Z2520, while the Intel Xeon D-1577 supports a maximum of 128 GB of memory with a maximum memory bandwidth of 34.1 GB/s enabled. |
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| Intel Atom Z2520 | Characteristic | Intel Xeon D-1577 |
| LPDDR2-1066 | Memory | DDR4-2133 |
| 2 GB | Max. Memory | 128 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 8.5 GB/s | Max. Bandwidth | 34.1 GB/s |
| No | ECC | Yes |
| 1.00 MB | L2 Cache | 24.00 MB |
| -- | L3 Cache | -- |
| -- | PCIe version | 3.0 |
| -- | PCIe lanes | 32 |
| -- | PCIe Bandwidth | 31.5 GB/s |
Thermal ManagementThe Intel Atom Z2520 has a TDP of --. The TDP of the Intel Xeon D-1577 is 45 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| Intel Atom Z2520 | Characteristic | Intel Xeon D-1577 |
| -- | TDP (PL1 / PBP) | 45 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 90 °C | Tjunction max. | -- |
Technical detailsThe Intel Atom Z2520 has 1.00 MB cache and is manufactured in 32 nm. The cache of Intel Xeon D-1577 is at 24.00 MB. The processor is manufactured in 14 nm. |
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| Intel Atom Z2520 | Characteristic | Intel Xeon D-1577 |
| 32 nm | Technology | 14 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| MMX, SSE3, SSSE3 | ISA extensions | SSE4.1, SSE4.2, AVX2 |
| BGA | Socket | BGA 1667 |
| None | Virtualization | VT-x, VT-x EPT, VT-d |
| No | AES-NI | Yes |
| Operating systems | Windows 10, Linux | |
| Q2/2013 | Release date | Q3/2017 |
| -- | Release price | 1258 $ |
| show more data | show more data | |
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2C 4T @ 1.20 GHz buy now on Amazon and save!
16C 32T @ 1.30 GHz (2.10 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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Intel Atom Z2520
2C 4T @ 1.20 GHz |
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Intel Xeon D-1577
16C 32T @ 2.10 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 Atom Z2520
2C 4T @ 1.20 GHz |
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Intel Xeon D-1577
16C 32T @ 1.30 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 Atom Z2520
2C 4T @ 1.20 GHz |
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Intel Xeon D-1577
16C 32T @ 2.10 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 Atom Z2520
2C 4T @ 1.20 GHz |
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Intel Xeon D-1577
16C 32T @ 1.30 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 Atom Z2520
2C 4T @ 1.20 GHz |
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Intel Xeon D-1577
16C 32T @ 1.30 GHz |
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Devices using this processor |
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| Intel Atom Z2520 | Intel Xeon D-1577 |
| Unknown | Unknown |
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