AMD EPYC 9684X | Qualcomm Snapdragon 8cx | |
CPU comparisonAMD EPYC 9684X or Qualcomm Snapdragon 8cx - 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 9684X has 96 cores with 192 threads and clocks with a maximum frequency of 3.70 GHz. Up to 6144 GB of memory is supported in 12 memory channels. The AMD EPYC 9684X was released in Q2/2023. The Qualcomm Snapdragon 8cx has 8 cores with 8 threads and clocks with a maximum frequency of 2.84 GHz. The CPU supports up to 16 GB of memory in 8 memory channels. The Qualcomm Snapdragon 8cx was released in Q4/2018. |
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AMD EPYC (129) | Family | Qualcomm Snapdragon (104) |
AMD EPYC 9004 (21) | CPU group | Qualcomm Snapdragon 8cx (2) |
4 | Generation | 2 |
Genoa / Genoa-X (Zen 4) | Architecture | Kryo 495 |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 9684X has 96 CPU cores and can calculate 192 threads in parallel. The clock frequency of the AMD EPYC 9684X is 2.55 GHz (3.70 GHz) while the Qualcomm Snapdragon 8cx has 8 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Qualcomm Snapdragon 8cx is at 2.84 GHz. |
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AMD EPYC 9684X | Characteristic | Qualcomm Snapdragon 8cx |
96 | Cores | 8 |
192 | Threads | 8 |
normal | Core architecture | hybrid (big.LITTLE) |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
2.55 GHz (3.70 GHz) 96x Zen 4 |
A-Core | 2.84 GHz 4x Kryo 495 Gold |
-- | B-Core | 1.80 GHz 4x Kryo 495 Silver |
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 9684X | Characteristic | Qualcomm Snapdragon 8cx |
-- | AI hardware | Qualcomm AI engine |
-- | AI specifications | Hexagon 685 @ 3 TOPS |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The AMD EPYC 9684X or Qualcomm Snapdragon 8cx 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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no iGPU | GPU | Qualcomm Adreno 680 |
GPU frequency | 0.25 GHz | |
-- | GPU (Turbo) | 0.59 GHz |
-- | GPU Generation | 5 |
Technology | 7 nm | |
Max. displays | 2 | |
-- | Compute units | 8 |
-- | Shader | 768 |
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 680 |
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 9684X can use up to 6144 GB of memory in 12 memory channels. The maximum memory bandwidth is 460.8 GB/s. The Qualcomm Snapdragon 8cx supports up to 16 GB of memory in 8 memory channels and achieves a memory bandwidth of up to 68.2 GB/s. |
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AMD EPYC 9684X | Characteristic | Qualcomm Snapdragon 8cx |
DDR5-4800 | Memory | LPDDR4X-4266 |
6144 GB | Max. Memory | 16 GB |
12 | Memory channels | 8 (Octa Channel) |
460.8 GB/s | Max. Bandwidth | 68.2 GB/s |
Yes | ECC | No |
-- | L2 Cache | -- |
1,152.00 MB | L3 Cache | 2.00 MB |
5.0 | PCIe version | -- |
128 | PCIe lanes | -- |
504.1 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 9684X is 400 W, while the Qualcomm Snapdragon 8cx has a TDP of 7 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD EPYC 9684X | Characteristic | Qualcomm Snapdragon 8cx |
400 W | TDP (PL1 / PBP) | 7 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
320 W | TDP down | -- |
100 °C | Tjunction max. | -- |
Technical detailsThe AMD EPYC 9684X is manufactured in 5 nm and has 1,152.00 MB cache. The Qualcomm Snapdragon 8cx is manufactured in 7 nm and has a 2.00 MB cache. |
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AMD EPYC 9684X | Characteristic | Qualcomm Snapdragon 8cx |
5 nm | Technology | 7 nm |
Chiplet | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI | ISA extensions | -- |
SP5 | Socket | -- |
AMD-V, SVM | Virtualization | None |
Yes | AES-NI | No |
Windows Server 2022, Linux, Windows 11 | Operating systems | Android, Windows 10 (ARM) |
Q2/2023 | Release date | Q4/2018 |
14756 $ | Release price | -- |
show more data | show more data | |
AMD EPYC 9684X
96C 192T @ 3.70 GHz |
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Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz |
AMD EPYC 9684X
96C 192T @ 3.42 GHz |
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Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz |
AMD EPYC 9684X
@ 0.00 GHz |
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Qualcomm Snapdragon 8cx
Qualcomm Adreno 680 @ 0.59 GHz |
AMD EPYC 9684X
96C 192T @ 2.55 GHz |
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Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz |
Devices using this processor |
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AMD EPYC 9684X | Qualcomm Snapdragon 8cx |
Unknown | Lenovo Flex 5G Lenovo Yoga C 5G Samsung Galaxy Book S |