Intel Atom Z3745 vs Intel Xeon W-2191B
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CPU comparison with benchmarks
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| Intel Atom Z3745 | Intel Xeon W-2191B | |
CPU comparisonIntel Atom Z3745 or Intel Xeon W-2191B - 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 Z3745 has 4 cores with 4 threads and clocks with a maximum frequency of 1.86 GHz. Up to 4 GB of memory is supported in 2 memory channels. The Intel Atom Z3745 was released in Q1/2014. The Intel Xeon W-2191B has 18 cores with 36 threads and clocks with a maximum frequency of 4.30 GHz. The CPU supports up to 512 GB of memory in 4 memory channels. The Intel Xeon W-2191B was released in Q3/2017. |
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| Intel Atom (108) | Family | Intel Xeon W (83) |
| Intel Atom Z3700 (16) | CPU group | Intel Xeon W-2100/3100 (15) |
| 4 | Generation | 6 |
| Bay Trail | Architecture | Skylake W |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Atom Z3745 is a 4 core processor with a clock frequency of 1.33 GHz (1.86 GHz). The Intel Xeon W-2191B has 18 CPU cores with a clock frequency of 2.30 GHz (4.30 GHz). |
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| Intel Atom Z3745 | Characteristic | Intel Xeon W-2191B |
| 4 | Cores | 18 |
| 4 | Threads | 36 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 1.33 GHz | Frequency | 2.30 GHz |
| 1.86 GHz | Turbo Frequency (1 Core) | 4.30 GHz |
| -- | Turbo Frequency (All Cores) | 3.40 GHz |
Internal GraphicsThe 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 | -- |
| 0.78 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 Z3745 supports a maximum of 4 GB of memory in 2 memory channels. The Intel Xeon W-2191B can connect up to 512 GB of memory in 4 memory channels. |
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| Intel Atom Z3745 | Characteristic | Intel Xeon W-2191B |
| LPDDR3-1066 | Memory | DDR4-2666 |
| 4 GB | Max. Memory | 512 GB |
| 2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
| 17.1 GB/s | Max. Bandwidth | 85.4 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | -- |
| 2.00 MB | L3 Cache | 24.75 MB |
| -- | PCIe version | 3.0 |
| -- | PCIe lanes | 48 |
| -- | PCIe Bandwidth | 47.3 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Atom Z3745 has a TDP of 4 W, that of the Intel Xeon W-2191B is 140 W. |
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| Intel Atom Z3745 | Characteristic | Intel Xeon W-2191B |
| 4 W | TDP (PL1 / PBP) | 140 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 90 °C | Tjunction max. | -- |
Technical detailsThe Intel Atom Z3745 has a 2.00 MB cache, while the Intel Xeon W-2191B cache has a total of 24.75 MB. |
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| Intel Atom Z3745 | Characteristic | Intel Xeon W-2191B |
| 22 nm | Technology | 14 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 | LGA 2066 |
| VT-x, VT-x EPT | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Operating systems | Windows 10, Linux | |
| Q1/2014 | Release date | Q3/2017 |
| -- | Release price | -- |
| show more data | show more data | |
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4C 4T @ 1.33 GHz (1.86 GHz) buy now on Amazon and save!
18C 36T @ 2.30 GHz (4.30 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 2 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 Atom Z3745
4C 4T @ 1.86 GHz |
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Intel Xeon W-2191B
18C 36T @ 4.30 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 Z3745
4C 4T @ 1.33 GHz |
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Intel Xeon W-2191B
18C 36T @ 3.40 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 Atom Z3745
4C 4T @ 1.33 GHz |
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Intel Xeon W-2191B
18C 36T @ 3.40 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 Atom Z3745
4C 4T @ 1.86 GHz |
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Intel Xeon W-2191B
18C 36T @ 4.30 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 Z3745
4C 4T @ 1.33 GHz |
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Intel Xeon W-2191B
18C 36T @ 3.40 GHz |
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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 Z3745
Intel HD Graphics (Bay Trail GT1) @ 0.78 GHz |
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Intel Xeon W-2191B
@ 0.00 GHz |
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Blender 3.1 Benchmark
In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
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Intel Atom Z3745
4C 4T @ 1.33 GHz |
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Intel Xeon W-2191B
18C 36T @ 3.40 GHz |
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Cinebench R15 (Single-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. 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 Z3745
4C 4T @ 1.86 GHz |
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Intel Xeon W-2191B
18C 36T @ 4.30 GHz |
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Cinebench R15 (Multi-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Atom Z3745
4C 4T @ 1.33 GHz |
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Intel Xeon W-2191B
18C 36T @ 3.40 GHz |
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Devices using this processor |
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| Intel Atom Z3745 | Intel Xeon W-2191B |
| Unknown | Apple iMac Pro (2017) |
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