AMD EPYC 7251 | Apple A15 Bionic (4-GPU) | |
CPU comparisonAMD EPYC 7251 or Apple A15 Bionic (4-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 7251 has 8 cores with 16 threads and clocks with a maximum frequency of 2.90 GHz. Up to GB of memory is supported in 8 memory channels. The AMD EPYC 7251 was released in Q3/2017. The Apple A15 Bionic (4-GPU) has 6 cores with 6 threads and clocks with a maximum frequency of 3.23 GHz. The CPU supports up to 6 GB of memory in 1 memory channels. The Apple A15 Bionic (4-GPU) was released in Q3/2021. |
||
AMD EPYC (129) | Family | Apple A series (22) |
AMD EPYC 7001 (12) | CPU group | Apple A15 (2) |
1 | Generation | 15 |
Naples (Zen) | Architecture | A15 |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
|
||
CPU Cores and Base FrequencyThe AMD EPYC 7251 has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the AMD EPYC 7251 is 2.10 GHz (2.90 GHz) while the Apple A15 Bionic (4-GPU) has 6 CPU cores and 6 threads can calculate simultaneously. The clock frequency of the Apple A15 Bionic (4-GPU) is at 3.23 GHz. |
||
AMD EPYC 7251 | Characteristic | Apple A15 Bionic (4-GPU) |
8 | Cores | 6 |
16 | Threads | 6 |
normal | Core architecture | hybrid (big.LITTLE) |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
2.10 GHz (2.90 GHz) | A-Core | 3.23 GHz 2x Avalanche |
-- | B-Core | 2.02 GHz 4x Blizzard |
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. |
||
AMD EPYC 7251 | Characteristic | Apple A15 Bionic (4-GPU) |
-- | AI hardware | Apple Neural Engine |
-- | AI specifications | 16 Neural cores @ 15.8 TOPS |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The AMD EPYC 7251 or Apple A15 Bionic (4-GPU) 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. |
||
no iGPU | GPU | Apple A15 (4 GPU Cores) |
GPU frequency | 1.34 GHz | |
-- | GPU (Turbo) | -- |
-- | GPU Generation | 12 |
Technology | 5 nm | |
Max. displays | 3 | |
-- | Compute units | 16 |
-- | Shader | 512 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 6 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. |
||
no iGPU | GPU | Apple A15 (4 GPU Cores) |
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 / Encode |
No | Codec AV1 | No |
No | Codec AVC | Decode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD EPYC 7251 can use up to GB of memory in 8 memory channels. The maximum memory bandwidth is 153.6 GB/s. The Apple A15 Bionic (4-GPU) supports up to 6 GB of memory in 1 memory channels and achieves a memory bandwidth of up to 34.1 GB/s. |
||
AMD EPYC 7251 | Characteristic | Apple A15 Bionic (4-GPU) |
DDR4-2666 | Memory | LPDDR4X-4266 |
Max. Memory | 6 GB | |
8 (Octa Channel) | Memory channels | 1 (Single Channel) |
153.6 GB/s | Max. Bandwidth | 34.1 GB/s |
Yes | ECC | No |
-- | L2 Cache | 16.00 MB |
32.00 MB | L3 Cache | 32.00 MB |
3.0 | PCIe version | -- |
128 | PCIe lanes | -- |
126.1 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 7251 is 120 W, while the Apple A15 Bionic (4-GPU) has a TDP of 7.25 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
||
AMD EPYC 7251 | Characteristic | Apple A15 Bionic (4-GPU) |
120 W | TDP (PL1 / PBP) | 7.25 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD EPYC 7251 is manufactured in 14 nm and has 32.00 MB cache. The Apple A15 Bionic (4-GPU) is manufactured in 5 nm and has a 48.00 MB cache. |
||
AMD EPYC 7251 | Characteristic | Apple A15 Bionic (4-GPU) |
14 nm | Technology | 5 nm |
Chiplet | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | -- |
SP3 | Socket | -- |
AMD-V, SVM | Virtualization | None |
Yes | AES-NI | No |
Windows 10, Linux | Operating systems | iOS |
Q3/2017 | Release date | Q3/2021 |
450 $ | Release price | -- |
show more data | show more data | |
AMD EPYC 7251
8C 16T @ 2.90 GHz |
|||
Apple A15 Bionic (4-GPU)
6C 6T @ 3.23 GHz |
AMD EPYC 7251
8C 16T @ 2.90 GHz |
|||
Apple A15 Bionic (4-GPU)
6C 6T @ 3.23 GHz |
AMD EPYC 7251
8C 16T @ 2.90 GHz |
|||
Apple A15 Bionic (4-GPU)
6C 6T @ 3.23 GHz |
AMD EPYC 7251
8C 16T @ 2.90 GHz |
|||
Apple A15 Bionic (4-GPU)
6C 6T @ 3.23 GHz |
AMD EPYC 7251
@ 0.00 GHz |
|||
Apple A15 Bionic (4-GPU)
Apple A15 (4 GPU Cores) @ 1.34 GHz |
AMD EPYC 7251
8C 16T @ 2.10 GHz |
|||
Apple A15 Bionic (4-GPU)
6C 6T @ 3.23 GHz |
AMD EPYC 7251
8C 16T @ 2.90 GHz |
|||
Apple A15 Bionic (4-GPU)
6C 6T @ 3.23 GHz |
AMD EPYC 7251
8C 16T @ 2.90 GHz |
|||
Apple A15 Bionic (4-GPU)
6C 6T @ 3.23 GHz |
AMD EPYC 7251
8C 16T @ 2.90 GHz |
|||
Apple A15 Bionic (4-GPU)
6C 6T @ 3.23 GHz |
AMD EPYC 7251
8C 16T @ 2.10 GHz |
|||
Apple A15 Bionic (4-GPU)
6C 6T @ 3.23 GHz |
Devices using this processor |
|
AMD EPYC 7251 | Apple A15 Bionic (4-GPU) |
Unknown | Apple iPhone 13 mini Apple iPhone 13 |