AMD EPYC 7281 | Apple M2 Ultra (76-GPU) | |
CPU comparisonIn this CPU comparison, we compare the AMD EPYC 7281 and the Apple M2 Ultra (76-GPU) and use benchmarks to check which processor is faster.
We compare the AMD EPYC 7281 16 core processor released in Q3/2017 with the Apple M2 Ultra (76-GPU) which has 24 CPU cores and was introduced in Q2/2023. |
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AMD EPYC (129) | Family | Apple M series (25) |
AMD EPYC 7001 (12) | CPU group | Apple M2 (8) |
1 | Generation | 2 |
Naples (Zen) | Architecture | M2 |
Desktop / Server | Segment | Mobile |
-- | Predecessor | Apple M1 Ultra (64-GPU) |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 7281 is a 16 core processor with a clock frequency of 2.20 GHz (2.70 GHz). The processor can compute 32 threads at the same time. The Apple M2 Ultra (76-GPU) clocks with 0.66 GHz (3.50 GHz), has 24 CPU cores and can calculate 24 threads in parallel. |
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AMD EPYC 7281 | Characteristic | Apple M2 Ultra (76-GPU) |
16 | Cores | 24 |
32 | Threads | 24 |
normal | Core architecture | hybrid (big.LITTLE) |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
2.20 GHz (2.70 GHz) | A-Core | 0.66 GHz (3.50 GHz) 16x Avalanche |
-- | B-Core | 0.60 GHz (2.42 GHz) 8x Blizzard |
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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AMD EPYC 7281 | Characteristic | Apple M2 Ultra (76-GPU) |
-- | AI hardware | Apple Neural Engine |
-- | AI specifications | 32 Neural cores @ 31.6 TOPS |
Internal GraphicsGraphics (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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no iGPU | GPU | Apple M2 Ultra (76 Core) |
GPU frequency | 0.45 GHz | |
-- | GPU (Turbo) | 1.40 GHz |
-- | GPU Generation | 2 |
Technology | 5 nm | |
Max. displays | 8 | |
-- | Compute units | 1216 |
-- | Shader | 9728 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 192 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 M2 Ultra (76 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 & PCIeUp to GB of memory in a maximum of 8 memory channels is supported by the AMD EPYC 7281, while the Apple M2 Ultra (76-GPU) supports a maximum of 192 GB of memory with a maximum memory bandwidth of 819.1 GB/s enabled. |
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AMD EPYC 7281 | Characteristic | Apple M2 Ultra (76-GPU) |
DDR4-2666 | Memory | LPDDR5-6400 |
Max. Memory | 192 GB | |
8 (Octa Channel) | Memory channels | 8 (Octa Channel) |
170.6 GB/s | Max. Bandwidth | 819.1 GB/s |
Yes | ECC | No |
-- | L2 Cache | 72.00 MB |
32.00 MB | L3 Cache | -- |
3.0 | PCIe version | 4.0 |
128 | PCIe lanes | 64 |
126.1 GB/s | PCIe Bandwidth | 126.0 GB/s |
Thermal ManagementThe AMD EPYC 7281 has a TDP of 170 W. The TDP of the Apple M2 Ultra (76-GPU) is 80 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD EPYC 7281 | Characteristic | Apple M2 Ultra (76-GPU) |
170 W | TDP (PL1 / PBP) | 80 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 100 °C |
Technical detailsThe AMD EPYC 7281 has 32.00 MB cache and is manufactured in 14 nm. The cache of Apple M2 Ultra (76-GPU) is at 72.00 MB. The processor is manufactured in 5 nm. |
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AMD EPYC 7281 | Characteristic | Apple M2 Ultra (76-GPU) |
14 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, iPadOS |
Q3/2017 | Release date | Q2/2023 |
625 $ | Release price | -- |
show more data | show more data | |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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Apple M2 Ultra (76-GPU)
24C 24T @ 3.50 GHz |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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Apple M2 Ultra (76-GPU)
24C 24T @ 3.50 GHz |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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Apple M2 Ultra (76-GPU)
24C 24T @ 3.50 GHz |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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Apple M2 Ultra (76-GPU)
24C 24T @ 3.50 GHz |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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Apple M2 Ultra (76-GPU)
24C 24T @ 3.50 GHz |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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Apple M2 Ultra (76-GPU)
24C 24T @ 3.50 GHz |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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Apple M2 Ultra (76-GPU)
24C 24T @ 3.50 GHz |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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Apple M2 Ultra (76-GPU)
24C 24T @ 3.50 GHz |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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Apple M2 Ultra (76-GPU)
24C 24T @ 3.50 GHz |
AMD EPYC 7281
@ 0.00 GHz |
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Apple M2 Ultra (76-GPU)
Apple M2 Ultra (76 Core) @ 1.40 GHz |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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Apple M2 Ultra (76-GPU)
24C 24T @ 3.50 GHz |
AMD EPYC 7281
16C 32T @ 2.70 GHz |
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Apple M2 Ultra (76-GPU)
24C 24T @ 3.50 GHz |
AMD EPYC 7281
2.20 GHz |
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Apple M2 Ultra (76-GPU)
28,570 CB R23 MC @ 80 W |
AMD EPYC 7281
16C 32T @ 2.20 GHz |
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Apple M2 Ultra (76-GPU)
24C 24T @ 0.66 GHz |
Devices using this processor |
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AMD EPYC 7281 | Apple M2 Ultra (76-GPU) |
Unknown | Unknown |