Intel Atom Z3785 vs Intel Xeon D-2799
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CPU comparison with benchmarks
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| Intel Atom Z3785 | Intel Xeon D-2799 | |
CPU comparisonIntel Atom Z3785 or Intel Xeon D-2799 - 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 Z3785 has 4 cores with 4 threads and clocks with a maximum frequency of 2.41 GHz. Up to 4 GB of memory is supported in 2 memory channels. The Intel Atom Z3785 was released in Q2/2014. The Intel Xeon D-2799 has 20 cores with 40 threads and clocks with a maximum frequency of 3.40 GHz. The CPU supports up to 1024 GB of memory in 4 memory channels. The Intel Xeon D-2799 was released in Q1/2022. |
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| Intel Atom (108) | Family | Intel Xeon D (79) |
| Intel Atom Z3700 (16) | CPU group | Intel Xeon D-2700 (16) |
| 4 | Generation | 4 |
| Bay Trail | Architecture | Ice Lake |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Atom Z3785 is a 4 core processor with a clock frequency of 1.49 GHz (2.41 GHz). The Intel Xeon D-2799 has 20 CPU cores with a clock frequency of 2.40 GHz (3.40 GHz). |
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| Intel Atom Z3785 | Characteristic | Intel Xeon D-2799 |
| 4 | Cores | 20 |
| 4 | Threads | 40 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 1.49 GHz | Frequency | 2.40 GHz |
| 2.41 GHz | Turbo Frequency (1 Core) | 3.40 GHz |
| -- | Turbo Frequency (All Cores) | 2.60 GHz |
Integrated graphics (iGPU)The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs. |
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| Intel HD Graphics (Bay Trail GT1) | GPU | no iGPU |
| 0.31 GHz | GPU frequency | -- |
| 0.83 GHz | GPU (Turbo) | -- |
| 7 | GPU Generation | -- |
| 22 nm | Technology | |
| 2 | Max. displays | |
| 4 | Compute units | -- |
| 32 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 GB | Max. GPU Memory | -- |
| 11.2 | 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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| Intel HD Graphics (Bay Trail GT1) | 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 |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| Decode / Encode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode | Codec JPEG | No |
Memory & PCIeThe Intel Atom Z3785 supports a maximum of 4 GB of memory in 2 memory channels. The Intel Xeon D-2799 can connect up to 1024 GB of memory in 4 memory channels. |
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| Intel Atom Z3785 | Characteristic | Intel Xeon D-2799 |
| LPDDR3-1333 | Memory | DDR4-3200 |
| 4 GB | Max. Memory | 1024 GB |
| 2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
| 21.3 GB/s | Max. Bandwidth | 102.4 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | 30.00 MB |
| 2.00 MB | L3 Cache | -- |
| -- | PCIe version | 4.0 |
| -- | PCIe lanes | 32 |
| -- | PCIe Bandwidth | 63.0 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Atom Z3785 has a TDP of 4 W, that of the Intel Xeon D-2799 is 129 W. |
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| Intel Atom Z3785 | Characteristic | Intel Xeon D-2799 |
| 4 W | TDP (PL1 / PBP) | 129 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 90 °C | Tjunction max. | -- |
Technical detailsThe Intel Atom Z3785 has a 2.00 MB cache, while the Intel Xeon D-2799 cache has a total of 30.00 MB. |
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| Intel Atom Z3785 | Characteristic | Intel Xeon D-2799 |
| 22 nm | Technology | 10 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 1380 | Socket | BGA 2579 |
| VT-x, VT-x EPT | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Operating systems | Windows 10, Linux | |
| Q2/2014 | Release date | Q1/2022 |
| -- | Release price | 2009 $ |
| show more data | show more data | |
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20C 40T @ 2.40 GHz (3.40 GHz) buy now on Amazon and save!
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Rate these processors
iGPU - FP32 Performance (Single-precision GFLOPS)
The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
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Intel Atom Z3785
Intel HD Graphics (Bay Trail GT1) @ 0.83 GHz |
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Intel Xeon D-2799
@ 0.00 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 Z3785
4C 4T @ 1.49 GHz |
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Intel Xeon D-2799
20C 40T @ 2.60 GHz |
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Devices using this processor |
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| Intel Atom Z3785 | Intel Xeon D-2799 |
| Unknown | Unknown |
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