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AMD EPYC Embedded 3351 | Qualcomm Snapdragon Microsoft SQ1 | |
CPU comparisonAMD EPYC Embedded 3351 or Qualcomm Snapdragon Microsoft SQ1 - 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 Embedded 3351 has 12 cores with 24 threads and clocks with a maximum frequency of 3.00 GHz. Up to 1024 GB of memory is supported in 4 memory channels. The AMD EPYC Embedded 3351 was released in Q1/2018. The Qualcomm Snapdragon Microsoft SQ1 has 8 cores with 8 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to 16 GB of memory in 8 memory channels. The Qualcomm Snapdragon Microsoft SQ1 was released in Q3/2019. |
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AMD EPYC (129) | Family | Qualcomm Snapdragon (104) |
AMD EPYC Embedded 3000 (7) | CPU group | Qualcomm Snapdragon SQ1/SQ2 (2) |
1 | Generation | 1 |
Snowy Owl (Zen) | Architecture | Kryo 495 |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC Embedded 3351 is a 12 core processor with a clock frequency of 1.90 GHz (3.00 GHz). The Qualcomm Snapdragon Microsoft SQ1 has 8 CPU cores with a clock frequency of 3.00 GHz. |
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AMD EPYC Embedded 3351 | Characteristic | Qualcomm Snapdragon Microsoft SQ1 |
12 | Cores | 8 |
24 | Threads | 8 |
normal | Core architecture | hybrid (big.LITTLE) |
Yes | Hyperthreading | No |
Yes | Overclocking ? | No |
1.90 GHz (3.00 GHz) | A-Core | 3.00 GHz 4x Kryo 495 Gold |
-- | B-Core | 1.80 GHz 4x Kryo 495 Silver |
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 | Qualcomm Adreno 685 |
GPU frequency | 0.25 GHz | |
-- | GPU (Turbo) | 0.65 GHz |
-- | GPU Generation | 5 |
Technology | 7 nm | |
Max. displays | 2 | |
-- | Compute units | 8 |
-- | Shader | 1536 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 4 GB |
-- | DirectX Version | 12.0 |
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 | Qualcomm Adreno 685 |
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 |
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 Embedded 3351 supports a maximum of 1024 GB of memory in 4 memory channels. The Qualcomm Snapdragon Microsoft SQ1 can connect up to 16 GB of memory in 8 memory channels. |
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AMD EPYC Embedded 3351 | Characteristic | Qualcomm Snapdragon Microsoft SQ1 |
DDR4-2666 | Memory | LPDDR4X-4266 |
1024 GB | Max. Memory | 16 GB |
4 (Quad Channel) | Memory channels | 8 (Octa Channel) |
85.3 GB/s | Max. Bandwidth | 34.1 GB/s |
Yes | ECC | No |
6.00 MB | L2 Cache | -- |
32.00 MB | L3 Cache | 2.00 MB |
3.0 | PCIe version | -- |
64 | PCIe lanes | -- |
63.0 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD EPYC Embedded 3351 has a TDP of 80 W, that of the Qualcomm Snapdragon Microsoft SQ1 is 7 W. |
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AMD EPYC Embedded 3351 | Characteristic | Qualcomm Snapdragon Microsoft SQ1 |
80 W | TDP (PL1 / PBP) | 7 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
60 W | TDP down | -- |
105 °C | Tjunction max. | -- |
Technical detailsThe AMD EPYC Embedded 3351 has a 38.00 MB cache, while the Qualcomm Snapdragon Microsoft SQ1 cache has a total of 2.00 MB. |
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AMD EPYC Embedded 3351 | Characteristic | Qualcomm Snapdragon Microsoft SQ1 |
14 nm | Technology | 7 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 | -- |
SP4 | Socket | -- |
AMD-V, SVM | Virtualization | None |
Yes | AES-NI | No |
Windows 10, Linux | Operating systems | Android, Windows 10 (ARM) |
Q1/2018 | Release date | Q3/2019 |
-- | Release price | -- |
show more data | show more data | |
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AMD EPYC Embedded 3351
12C 24T @ 3.00 GHz |
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Qualcomm Snapdragon Microsoft SQ1
8C 8T @ 3.00 GHz |
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AMD EPYC Embedded 3351
12C 24T @ 3.00 GHz |
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Qualcomm Snapdragon Microsoft SQ1
8C 8T @ 3.00 GHz |
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AMD EPYC Embedded 3351
12C 24T @ 3.00 GHz |
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Qualcomm Snapdragon Microsoft SQ1
8C 8T @ 3.00 GHz |
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AMD EPYC Embedded 3351
12C 24T @ 1.90 GHz |
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Qualcomm Snapdragon Microsoft SQ1
8C 8T @ 3.00 GHz |
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AMD EPYC Embedded 3351
@ 0.00 GHz |
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Qualcomm Snapdragon Microsoft SQ1
Qualcomm Adreno 685 @ 0.65 GHz |
Devices using this processor |
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AMD EPYC Embedded 3351 | Qualcomm Snapdragon Microsoft SQ1 |
Unknown | Microsoft Surface X |