Intel Atom Z3775D vs Intel Xeon Gold 6138T
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CPU comparison with benchmarks
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| Intel Atom Z3775D | Intel Xeon Gold 6138T | |
CPU comparisonIn this CPU comparison, we compare the Intel Atom Z3775D and the Intel Xeon Gold 6138T and use benchmarks to check which processor is faster.
We compare the Intel Atom Z3775D 4 core processor released in Q1/2014 with the Intel Xeon Gold 6138T which has 20 CPU cores and was introduced in Q3/2017. |
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| Intel Atom (108) | Family | Intel Xeon Gold (163) |
| Intel Atom Z3700 (16) | CPU group | Intel Xeon Gold 5100/6100 (34) |
| 4 | Generation | 1 |
| Bay Trail | Architecture | Skylake |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Atom Z3775D is a 4 core processor with a clock frequency of 1.49 GHz (2.41 GHz). The processor can compute 4 threads at the same time. The Intel Xeon Gold 6138T clocks with 2.00 GHz (3.70 GHz), has 20 CPU cores and can calculate 40 threads in parallel. |
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| Intel Atom Z3775D | Characteristic | Intel Xeon Gold 6138T |
| 4 | Cores | 20 |
| 4 | Threads | 40 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 1.49 GHz | Frequency | 2.00 GHz |
| 2.41 GHz | Turbo Frequency (1 Core) | 3.70 GHz |
| -- | Turbo Frequency (All Cores) | 2.80 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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| Intel HD Graphics (Bay Trail GT1) | GPU | no iGPU |
| 0.31 GHz | GPU frequency | -- |
| 0.79 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 & PCIeUp to 2 GB of memory in a maximum of 1 memory channels is supported by the Intel Atom Z3775D, while the Intel Xeon Gold 6138T supports a maximum of 768 GB of memory with a maximum memory bandwidth of 128.1 GB/s enabled. |
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| Intel Atom Z3775D | Characteristic | Intel Xeon Gold 6138T |
| DDR3L-1333 | Memory | DDR4-2666 |
| 2 GB | Max. Memory | 768 GB |
| 1 (Single Channel) | Memory channels | 6 (Hexa Channel) |
| 10.6 GB/s | Max. Bandwidth | 128.1 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | -- |
| 2.00 MB | L3 Cache | 28.00 MB |
| -- | PCIe version | 3.0 |
| -- | PCIe lanes | 48 |
| -- | PCIe Bandwidth | 47.3 GB/s |
Thermal ManagementThe Intel Atom Z3775D has a TDP of 4 W. The TDP of the Intel Xeon Gold 6138T is 125 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| Intel Atom Z3775D | Characteristic | Intel Xeon Gold 6138T |
| 4 W | TDP (PL1 / PBP) | 125 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 90 °C | Tjunction max. | -- |
Technical detailsThe Intel Atom Z3775D has 2.00 MB cache and is manufactured in 22 nm. The cache of Intel Xeon Gold 6138T is at 28.00 MB. The processor is manufactured in 14 nm. |
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| Intel Atom Z3775D | Characteristic | Intel Xeon Gold 6138T |
| 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 3647 |
| 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 |
| 35 $ | Release price | 2750 $ |
| show more data | show more data | |
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4C 4T @ 1.49 GHz (2.41 GHz) buy now on Amazon and save!
20C 40T @ 2.00 GHz (3.70 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 Atom Z3775D
4C 4T @ 1.49 GHz |
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Intel Xeon Gold 6138T
20C 40T @ 2.80 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 Atom Z3775D
4C 4T @ 2.41 GHz |
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Intel Xeon Gold 6138T
20C 40T @ 3.70 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 Atom Z3775D
4C 4T @ 1.49 GHz |
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Intel Xeon Gold 6138T
20C 40T @ 2.80 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 Z3775D
Intel HD Graphics (Bay Trail GT1) @ 0.79 GHz |
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Intel Xeon Gold 6138T
@ 0.00 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 Z3775D
4C 4T @ 2.41 GHz |
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Intel Xeon Gold 6138T
20C 40T @ 3.70 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 Z3775D
4C 4T @ 1.49 GHz |
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Intel Xeon Gold 6138T
20C 40T @ 2.80 GHz |
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Devices using this processor |
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| Intel Atom Z3775D | Intel Xeon Gold 6138T |
| Unknown | Unknown |
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