Apple M1 Max (24-GPU) | AMD EPYC Embedded 3251 | |
CPU comparisonApple M1 Max (24-GPU) or AMD EPYC Embedded 3251 - 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 Max (24-GPU) has 10 cores with 10 threads and clocks with a maximum frequency of 3.20 GHz. Up to 64 GB of memory is supported in 4 memory channels. The Apple M1 Max (24-GPU) was released in Q3/2021. The AMD EPYC Embedded 3251 has 8 cores with 16 threads and clocks with a maximum frequency of 3.10 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD EPYC Embedded 3251 was released in Q1/2018. |
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Apple M series (25) | Family | AMD EPYC (129) |
Apple M1 (9) | CPU group | AMD EPYC Embedded 3000 (7) |
1 | Generation | 1 |
M1 | Architecture | Snowy Owl (Zen) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
Apple M2 Max (30-GPU) | Successor | -- |
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CPU Cores and Base FrequencyThe Apple M1 Max (24-GPU) has 10 CPU cores and can calculate 10 threads in parallel. The clock frequency of the Apple M1 Max (24-GPU) is 0.60 GHz (3.20 GHz) while the AMD EPYC Embedded 3251 has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the AMD EPYC Embedded 3251 is at 2.50 GHz (3.10 GHz). |
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Apple M1 Max (24-GPU) | Characteristic | AMD EPYC Embedded 3251 |
10 | Cores | 8 |
10 | Threads | 16 |
hybrid (big.LITTLE) | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | Yes |
0.60 GHz (3.20 GHz) 8x Firestorm |
A-Core | 2.50 GHz (3.10 GHz) |
0.60 GHz (2.06 GHz) 2x 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 Max (24-GPU) | Characteristic | AMD EPYC Embedded 3251 |
Apple Neural Engine | AI hardware | -- |
16 Neural cores @ 11 TOPS | AI specifications | -- |
Internal GraphicsThe Apple M1 Max (24-GPU) or AMD EPYC Embedded 3251 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 Max (24 Core) | GPU | no iGPU |
0.39 GHz | GPU frequency | -- |
1.30 GHz | GPU (Turbo) | -- |
1 | GPU Generation | -- |
5 nm | Technology | |
5 | Max. displays | |
384 | Compute units | -- |
3072 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
32 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 Max (24 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 Max (24-GPU) can use up to 64 GB of memory in 4 memory channels. The maximum memory bandwidth is 409.6 GB/s. The AMD EPYC Embedded 3251 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 42.7 GB/s. |
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Apple M1 Max (24-GPU) | Characteristic | AMD EPYC Embedded 3251 |
LPDDR5-6400 | Memory | DDR4-2666 |
64 GB | Max. Memory | |
4 (Quad Channel) | Memory channels | 2 (Dual Channel) |
409.6 GB/s | Max. Bandwidth | 42.7 GB/s |
No | ECC | Yes |
28.00 MB | L2 Cache | 4.00 MB |
-- | L3 Cache | 16.00 MB |
4.0 | PCIe version | 3.0 |
-- | PCIe lanes | 32 |
-- | PCIe Bandwidth | 31.5 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Apple M1 Max (24-GPU) is 45 W, while the AMD EPYC Embedded 3251 has a TDP of 55 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Apple M1 Max (24-GPU) | Characteristic | AMD EPYC Embedded 3251 |
45 W | TDP (PL1 / PBP) | 55 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 105 °C |
Technical detailsThe Apple M1 Max (24-GPU) is manufactured in 5 nm and has 28.00 MB cache. The AMD EPYC Embedded 3251 is manufactured in 14 nm and has a 20.00 MB cache. |
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Apple M1 Max (24-GPU) | Characteristic | AMD EPYC Embedded 3251 |
5 nm | Technology | 14 nm |
Chiplet | Chip design | Chiplet |
Armv8.5-A (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
Rosetta 2 x86-Emulation | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
-- | Socket | SP4r2 |
Apple Virtualization Framework | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
macOS | Operating systems | Windows 10, Linux |
Q3/2021 | Release date | Q1/2018 |
-- | Release price | -- |
show more data | show more data | |
Apple M1 Max (24-GPU)
10C 10T @ 3.20 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
Apple M1 Max (24-GPU)
10C 10T @ 3.20 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 3.10 GHz |
Apple M1 Max (24-GPU)
10C 10T @ 3.20 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 3.10 GHz |
Apple M1 Max (24-GPU)
10C 10T @ 3.20 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 3.10 GHz |
Apple M1 Max (24-GPU)
10C 10T @ 3.20 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
Apple M1 Max (24-GPU)
10C 10T @ 3.20 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 3.10 GHz |
Apple M1 Max (24-GPU)
10C 10T @ 3.20 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
Apple M1 Max (24-GPU)
10C 10T @ 3.20 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 3.10 GHz |
Apple M1 Max (24-GPU)
10C 10T @ 3.20 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
Apple M1 Max (24-GPU)
Apple M1 Max (24 Core) @ 1.30 GHz |
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AMD EPYC Embedded 3251
@ 0.00 GHz |
Apple M1 Max (24-GPU)
10C 10T @ 3.20 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
Apple M1 Max (24-GPU)
12,402 CB R23 MC @ 45 W |
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AMD EPYC Embedded 3251
2.50 GHz |
Apple M1 Max (24-GPU)
10C 10T @ 0.60 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
Devices using this processor |
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Apple M1 Max (24-GPU) | AMD EPYC Embedded 3251 |
Apple MacBook Pro 14 (2021) Apple MacBook Pro 16 (2021) |
Unknown |