AMD EPYC 7443P | Apple M1 Ultra (48-GPU) | |
CPU comparisonAMD EPYC 7443P 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 AMD EPYC 7443P has 24 cores with 48 threads and clocks with a maximum frequency of 4.00 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The AMD EPYC 7443P was released in Q1/2021. 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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AMD EPYC (129) | Family | Apple M series (25) |
AMD EPYC 7003 (29) | CPU group | Apple M1 (9) |
3 | Generation | 1 |
Milan (Zen 3) | Architecture | M1 |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | Apple M2 Ultra (60-GPU) |
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CPU Cores and Base FrequencyThe AMD EPYC 7443P is a 24 core processor with a clock frequency of 2.85 GHz (4.00 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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AMD EPYC 7443P | Characteristic | Apple M1 Ultra (48-GPU) |
24 | Cores | 20 |
48 | Threads | 20 |
normal | Core architecture | hybrid (big.LITTLE) |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
2.85 GHz (4.00 GHz) 24x Zen 3 |
A-Core | 0.60 GHz (3.20 GHz) 16x Firestorm |
-- | B-Core | 0.60 GHz (2.06 GHz) 4x Icestorm |
NPU AI performanceThe performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. |
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AMD EPYC 7443P | Characteristic | Apple M1 Ultra (48-GPU) |
-- | AI hardware | Apple Neural Engine |
-- | AI specifications | 32 Neural cores @ 22 TOPS |
-- | NPU + CPU + iGPU | -- |
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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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 AMD EPYC 7443P supports a maximum of 4096 GB of memory in 8 memory channels. The Apple M1 Ultra (48-GPU) can connect up to 128 GB of memory in 8 memory channels. |
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AMD EPYC 7443P | Characteristic | Apple M1 Ultra (48-GPU) |
DDR4-3200 | Memory | LPDDR5-6400 |
4096 GB | Max. Memory | 128 GB |
8 (Octa Channel) | Memory channels | 8 (Octa Channel) |
204.8 GB/s | Max. Bandwidth | 819.2 GB/s |
Yes | ECC | No |
-- | L2 Cache | 52.00 MB |
128.00 MB | L3 Cache | -- |
4.0 | PCIe version | 4.0 |
128 | PCIe lanes | -- |
252.0 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD EPYC 7443P has a TDP of 200 W, that of the Apple M1 Ultra (48-GPU) is 60 W. |
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AMD EPYC 7443P | Characteristic | Apple M1 Ultra (48-GPU) |
200 W | TDP (PL1 / PBP) | 60 W |
-- | TDP (PL2) | -- |
-- | TDP up | 120 W |
165 W | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD EPYC 7443P has a 128.00 MB cache, while the Apple M1 Ultra (48-GPU) cache has a total of 52.00 MB. |
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AMD EPYC 7443P | Characteristic | Apple M1 Ultra (48-GPU) |
7 nm | Technology | 5 nm |
Chiplet | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | Armv8.5-A (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | Rosetta 2 x86-Emulation |
SP3 | Socket | -- |
AMD-V, SVM | Virtualization | Apple Virtualization Framework |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | macOS |
Q1/2021 | Release date | Q1/2022 |
1337 $ | Release price | -- |
show more data | show more data | |
AMD EPYC 7443P
24C 48T @ 4.00 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz |
AMD EPYC 7443P
24C 48T @ 3.60 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz |
AMD EPYC 7443P
24C 48T @ 4.00 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz |
AMD EPYC 7443P
24C 48T @ 3.60 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz |
AMD EPYC 7443P
24C 48T @ 3.60 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz |
AMD EPYC 7443P
24C 48T @ 4.00 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz |
AMD EPYC 7443P
24C 48T @ 4.00 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz |
AMD EPYC 7443P
24C 48T @ 4.00 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz |
AMD EPYC 7443P
24C 48T @ 3.60 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz |
AMD EPYC 7443P
@ 0.00 GHz |
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Apple M1 Ultra (48-GPU)
Apple M1 Ultra (48 Core) @ 1.30 GHz |
AMD EPYC 7443P
24C 48T @ 3.60 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz |
AMD EPYC 7443P
24C 48T @ 2.85 GHz |
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Apple M1 Ultra (48-GPU)
20C 20T @ 0.60 GHz |
Devices using this processor |
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AMD EPYC 7443P | Apple M1 Ultra (48-GPU) |
Unknown | Apple Mac Studio (2022) |