Intel Xeon Gold 6138 vs Apple M1 Ultra (48-GPU)
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CPU comparison with benchmarks
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| Intel Xeon Gold 6138 | Apple M1 Ultra (48-GPU) | |
CPU comparisonIntel Xeon Gold 6138 or Apple M1 Ultra (48-GPU) - 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 Xeon Gold 6138 has 20 cores with 40 threads and clocks with a maximum frequency of 3.70 GHz. Up to 768 GB of memory is supported in 6 memory channels. The Intel Xeon Gold 6138 was released in Q3/2017. The Apple M1 Ultra (48-GPU) has 20 cores with 20 threads and clocks with a maximum frequency of 3.20 GHz. The CPU supports up to 128 GB of memory in 8 memory channels. The Apple M1 Ultra (48-GPU) was released in Q1/2022. |
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| Intel Xeon Gold (163) | Family | Apple M series (25) |
| Intel Xeon Gold 5100/6100 (34) | CPU group | Apple M1 (9) |
| 1 | Generation | 1 |
| Skylake | Architecture | M1 |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | Apple M2 Ultra (60-GPU) |
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CPU Cores and Base FrequencyThe Intel Xeon Gold 6138 is a 20 core processor with a clock frequency of 2.00 GHz (3.70 GHz). The Apple M1 Ultra (48-GPU) has 20 CPU cores with a clock frequency of 0.60 GHz (3.20 GHz). |
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| Intel Xeon Gold 6138 | Characteristic | Apple M1 Ultra (48-GPU) |
| 20 | Cores | 20 |
| 40 | Threads | 20 |
| normal | Core architecture | hybrid (big.LITTLE) |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.00 GHz (3.70 GHz) | A-Core | 0.60 GHz (3.20 GHz) 16x Firestorm |
| -- | B-Core | 0.60 GHz (2.06 GHz) 4x Icestorm |
Artificial Intelligence and Machine LearningProcessors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor. |
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| Intel Xeon Gold 6138 | Characteristic | Apple M1 Ultra (48-GPU) |
| -- | AI hardware | Apple Neural Engine |
| -- | AI specifications | 32 Neural cores @ 22 TOPS |
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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| no iGPU | GPU | Apple M1 Ultra (48 Core) |
| GPU frequency | 0.39 GHz | |
| -- | GPU (Turbo) | 1.30 GHz |
| -- | GPU Generation | 1 |
| Technology | 5 nm | |
| Max. displays | 5 | |
| -- | Compute units | 768 |
| -- | Shader | 6144 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 64 GB |
| -- | 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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| no iGPU | GPU | Apple M1 Ultra (48 Core) |
| No | Codec h265 / HEVC (8 bit) | Decode / Encode |
| No | Codec h265 / HEVC (10 bit) | Decode / Encode |
| No | Codec h264 | Decode / Encode |
| No | Codec VP9 | Decode / Encode |
| No | Codec VP8 | Decode |
| No | Codec AV1 | No |
| No | Codec AVC | Decode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Xeon Gold 6138 supports a maximum of 768 GB of memory in 6 memory channels. The Apple M1 Ultra (48-GPU) can connect up to 128 GB of memory in 8 memory channels. |
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| Intel Xeon Gold 6138 | Characteristic | Apple M1 Ultra (48-GPU) |
| DDR4-2666 | Memory | LPDDR5-6400 |
| 768 GB | Max. Memory | 128 GB |
| 6 (Hexa Channel) | Memory channels | 8 (Octa Channel) |
| 128.1 GB/s | Max. Bandwidth | 819.2 GB/s |
| Yes | ECC | No |
| -- | L2 Cache | 52.00 MB |
| 28.00 MB | L3 Cache | -- |
| 3.0 | PCIe version | 4.0 |
| 48 | PCIe lanes | -- |
| 47.3 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Xeon Gold 6138 has a TDP of 125 W, that of the Apple M1 Ultra (48-GPU) is 60 W. |
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| Intel Xeon Gold 6138 | Characteristic | Apple M1 Ultra (48-GPU) |
| 125 W | TDP (PL1 / PBP) | 60 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | 120 W |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe Intel Xeon Gold 6138 has a 28.00 MB cache, while the Apple M1 Ultra (48-GPU) cache has a total of 52.00 MB. |
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| Intel Xeon Gold 6138 | Characteristic | Apple M1 Ultra (48-GPU) |
| 14 nm | Technology | 5 nm |
| Monolithic | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | Armv8.5-A (64 bit) |
| SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | Rosetta 2 x86-Emulation |
| LGA 3647 | Socket | -- |
| VT-x, VT-x EPT, VT-d | Virtualization | Apple Virtualization Framework |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | macOS |
| Q3/2017 | Release date | Q1/2022 |
| 2750 $ | Release price | -- |
| show more data | show more data | |
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20C 40T @ 2.00 GHz (3.70 GHz) buy now on Amazon and save!
20C 20T @ 0.60 GHz (3.20 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 2 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 Xeon Gold 6138
20C 40T @ 3.70 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 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 Xeon Gold 6138
20C 40T @ 2.80 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 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 Xeon Gold 6138
20C 40T @ 3.70 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 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 Xeon Gold 6138
20C 40T @ 2.80 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz |
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Cinebench 2024 (Single-Core)
The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
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Intel Xeon Gold 6138
20C 40T @ 3.70 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz |
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Cinebench 2024 (Multi-Core)
The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
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Intel Xeon Gold 6138
20C 40T @ 3.70 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz |
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Cinebench R23 (Single-Core)
Cinebench R23 is the successor of Cinebench R20 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 Xeon Gold 6138
20C 40T @ 3.70 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz |
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Cinebench R23 (Multi-Core)
Cinebench R23 is the successor of Cinebench R20 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 Xeon Gold 6138
20C 40T @ 2.80 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 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 Xeon Gold 6138
20C 40T @ 2.80 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 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 Xeon Gold 6138
@ 0.00 GHz |
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Apple M1 Ultra (48-GPU)
Apple M1 Ultra (48 Core) @ 1.30 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 Xeon Gold 6138
20C 40T @ 2.80 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 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 Xeon Gold 6138
20C 40T @ 3.70 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 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 Xeon Gold 6138
20C 40T @ 2.80 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz |
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Performance for Artificial Intelligence (AI) and Machine Learning (ML)
Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
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Intel Xeon Gold 6138
20C 40T @ 2.00 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 0.60 GHz |
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Devices using this processor |
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| Intel Xeon Gold 6138 | Apple M1 Ultra (48-GPU) |
| Unknown | Apple Mac Studio (2022) |
News and articles for the Intel Xeon Gold 6138 and the Apple M1 Ultra (48-GPU)
Apple M2 Pro with more CPU cores and production in 3 nm ?
Posted by Stefan on 2022-06-28
After Apple surprisingly presented the normal Apple M2 processor as the first successor to the Apple M1 already in June 2022, the Apple M2 Pro and the Apple M2 Max may follow in autumn. The difference in performance compared to the basic version could be even greater this time and range from 25 to 40 percent.
In this article we describe how Apple could realize this and why the price should also go up.
In this article we describe how Apple could realize this and why the price should also go up.
Apple M2 vs Apple M1 - What are the differences?
Posted by Stefan on 2022-06-09
During WWDC 2022 on June 6th, 2022 Apple surprisingly presented its new Apple M2 processor. This will initially be installed in a completely revised Apple MacBook Air with 13.6 inches, a even thinner form factor and new colors. Apple also updated the already known (old) Apple MacBook Pro 13.3 with touch bar.
Many leakers had counted on Apple not presenting its new second-generation M processor until the fall. But things turned out differently. And there is very likely a reason for that: the improvements in the Apple M2 are limited compared to the predecessor.
Many leakers had counted on Apple not presenting its new second-generation M processor until the fall. But things turned out differently. And there is very likely a reason for that: the improvements in the Apple M2 are limited compared to the predecessor.
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