Apple M1 Ultra (64-GPU) | Intel Atom C3538 | |
CPU comparisonApple M1 Ultra (64-GPU) or Intel Atom C3538 - 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 Apple M1 Ultra (64-GPU) has 20 cores with 20 threads and clocks with a maximum frequency of 3.20 GHz. Up to 128 GB of memory is supported in 8 memory channels. The Apple M1 Ultra (64-GPU) was released in Q1/2022. The Intel Atom C3538 has 4 cores with 4 threads and clocks with a maximum frequency of 2.10 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The Intel Atom C3538 was released in Q3/2017. |
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Apple M series (25) | Family | Intel Atom (108) |
Apple M1 (9) | CPU group | Intel Atom C3000 (20) |
1 | Generation | 5 |
M1 | Architecture | Denverton |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
Apple M2 Ultra (76-GPU) | Successor | -- |
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CPU Cores and Base FrequencyThe Apple M1 Ultra (64-GPU) has 20 CPU cores and can calculate 20 threads in parallel. The clock frequency of the Apple M1 Ultra (64-GPU) is 0.60 GHz (3.20 GHz) while the Intel Atom C3538 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Atom C3538 is at 2.10 GHz. |
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Apple M1 Ultra (64-GPU) | Characteristic | Intel Atom C3538 |
20 | Cores | 4 |
20 | Threads | 4 |
hybrid (big.LITTLE) | Core architecture | normal |
No | Hyperthreading | No |
No | Overclocking ? | No |
0.60 GHz (3.20 GHz) 16x Firestorm |
A-Core | 2.10 GHz |
0.60 GHz (2.06 GHz) 4x Icestorm |
B-Core | -- |
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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Apple M1 Ultra (64-GPU) | Characteristic | Intel Atom C3538 |
Apple Neural Engine | AI hardware | -- |
32 Neural cores @ 22 TOPS | AI specifications | -- |
Internal GraphicsThe Apple M1 Ultra (64-GPU) or Intel Atom C3538 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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Apple M1 Ultra (64 Core) | GPU | no iGPU |
0.39 GHz | GPU frequency | -- |
1.30 GHz | GPU (Turbo) | -- |
1 | GPU Generation | -- |
5 nm | Technology | |
5 | Max. displays | |
1024 | Compute units | -- |
8192 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
64 GB | Max. GPU Memory | -- |
-- | 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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Apple M1 Ultra (64 Core) | GPU | no iGPU |
Decode / Encode | Codec h265 / HEVC (8 bit) | No |
Decode / Encode | Codec h265 / HEVC (10 bit) | No |
Decode / Encode | Codec h264 | No |
Decode / Encode | Codec VP9 | No |
Decode | Codec VP8 | No |
No | Codec AV1 | No |
Decode | Codec AVC | No |
Decode | Codec VC-1 | No |
Decode / Encode | Codec JPEG | No |
Memory & PCIeThe Apple M1 Ultra (64-GPU) can use up to 128 GB of memory in 8 memory channels. The maximum memory bandwidth is 819.2 GB/s. The Intel Atom C3538 supports up to 256 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 34.1 GB/s. |
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Apple M1 Ultra (64-GPU) | Characteristic | Intel Atom C3538 |
LPDDR5-6400 | Memory | DDR4-2133 |
128 GB | Max. Memory | 256 GB |
8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
819.2 GB/s | Max. Bandwidth | 34.1 GB/s |
No | ECC | Yes |
52.00 MB | L2 Cache | 8.00 MB |
-- | L3 Cache | -- |
4.0 | PCIe version | 3.0 |
-- | PCIe lanes | 12 |
-- | PCIe Bandwidth | 11.8 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Apple M1 Ultra (64-GPU) is 60 W, while the Intel Atom C3538 has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Apple M1 Ultra (64-GPU) | Characteristic | Intel Atom C3538 |
60 W | TDP (PL1 / PBP) | 15 W |
-- | TDP (PL2) | -- |
120 W | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 100 °C |
Technical detailsThe Apple M1 Ultra (64-GPU) is manufactured in 5 nm and has 52.00 MB cache. The Intel Atom C3538 is manufactured in 14 nm and has a 8.00 MB cache. |
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Apple M1 Ultra (64-GPU) | Characteristic | Intel Atom C3538 |
5 nm | Technology | 14 nm |
Chiplet | Chip design | Monolithic |
Armv8.5-A (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
Rosetta 2 x86-Emulation | ISA extensions | SSE4.1, SSE4.2 |
-- | Socket | BGA 1310 |
Apple Virtualization Framework | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
macOS | Operating systems | Windows 10, Linux |
Q1/2022 | Release date | Q3/2017 |
-- | Release price | 75 $ |
show more data | show more data | |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Atom C3538
4C 4T @ 2.10 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Atom C3538
4C 4T @ 2.10 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Atom C3538
4C 4T @ 2.10 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Atom C3538
4C 4T @ 2.10 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Atom C3538
4C 4T @ 2.10 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Atom C3538
4C 4T @ 2.10 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Atom C3538
4C 4T @ 2.10 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Atom C3538
4C 4T @ 2.10 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Atom C3538
4C 4T @ 2.10 GHz |
Apple M1 Ultra (64-GPU)
Apple M1 Ultra (64 Core) @ 1.30 GHz |
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Intel Atom C3538
@ 0.00 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 3.20 GHz |
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Intel Atom C3538
4C 4T @ 2.10 GHz |
Apple M1 Ultra (64-GPU)
20C 20T @ 0.60 GHz |
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Intel Atom C3538
4C 4T @ 2.10 GHz |
Devices using this processor |
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Apple M1 Ultra (64-GPU) | Intel Atom C3538 |
Apple Mac Studio (2022) | Unknown |