Qualcomm Snapdragon 8cx Gen. 2 vs AMD EPYC 9654P
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CPU comparison with benchmarks
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| Qualcomm Snapdragon 8cx Gen. 2 | AMD EPYC 9654P | |
CPU comparisonQualcomm Snapdragon 8cx Gen. 2 or AMD EPYC 9654P - 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 Qualcomm Snapdragon 8cx Gen. 2 has 8 cores with 8 threads and clocks with a maximum frequency of 3.15 GHz. Up to 32 GB of memory is supported in 8 memory channels. The Qualcomm Snapdragon 8cx Gen. 2 was released in Q4/2018. The AMD EPYC 9654P has 96 cores with 192 threads and clocks with a maximum frequency of 3.70 GHz. The CPU supports up to 6144 GB of memory in 12 memory channels. The AMD EPYC 9654P was released in Q4/2022. |
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| Qualcomm Snapdragon (102) | Family | AMD EPYC (129) |
| Qualcomm Snapdragon 8cx (2) | CPU group | AMD EPYC 9004 (21) |
| 2 | Generation | 4 |
| Kryo 495 | Architecture | Genoa / Genoa-X (Zen 4) |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| Qualcomm Snapdragon 8cx Gen 3 | Successor | -- |
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CPU Cores and Base FrequencyThe Qualcomm Snapdragon 8cx Gen. 2 has 8 CPU cores and can calculate 8 threads in parallel. The clock frequency of the Qualcomm Snapdragon 8cx Gen. 2 is 3.15 GHz while the AMD EPYC 9654P has 96 CPU cores and 192 threads can calculate simultaneously. The clock frequency of the AMD EPYC 9654P is at 2.40 GHz (3.70 GHz). |
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| Qualcomm Snapdragon 8cx Gen. 2 | Characteristic | AMD EPYC 9654P |
| 8 | Cores | 96 |
| 8 | Threads | 192 |
| hybrid (big.LITTLE) | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 3.15 GHz 4x Kryo 495 Gold |
A-Core | 2.40 GHz (3.70 GHz) 96x Zen 4 |
| 1.80 GHz 4x Kryo 495 Silver |
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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| Qualcomm Snapdragon 8cx Gen. 2 | Characteristic | AMD EPYC 9654P |
| Qualcomm AI engine | AI hardware | -- |
| Hexagon 690 @ 7 TOPS | AI specifications | -- |
Internal GraphicsThe Qualcomm Snapdragon 8cx Gen. 2 or AMD EPYC 9654P 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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| Qualcomm Adreno 690 | GPU | no iGPU |
| 0.25 GHz | GPU frequency | -- |
| 0.59 GHz | GPU (Turbo) | -- |
| 6 | GPU Generation | -- |
| 7 nm | Technology | |
| 0 | Max. displays | |
| -- | Compute units | -- |
| -- | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | -- |
| 12.0 | 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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| Qualcomm Adreno 690 | 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 | Codec VP9 | No |
| Decode / Encode | Codec VP8 | No |
| No | Codec AV1 | No |
| Decode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeThe Qualcomm Snapdragon 8cx Gen. 2 can use up to 32 GB of memory in 8 memory channels. The maximum memory bandwidth is 68.2 GB/s. The AMD EPYC 9654P supports up to 6144 GB of memory in 12 memory channels and achieves a memory bandwidth of up to 460.8 GB/s. |
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| Qualcomm Snapdragon 8cx Gen. 2 | Characteristic | AMD EPYC 9654P |
| LPDDR4X-4266 | Memory | DDR5-4800 |
| 32 GB | Max. Memory | 6144 GB |
| 8 (Octa Channel) | Memory channels | 12 |
| 68.2 GB/s | Max. Bandwidth | 460.8 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | 96.00 MB |
| 2.00 MB | L3 Cache | 384.00 MB |
| -- | PCIe version | 5.0 |
| -- | PCIe lanes | 128 |
| -- | PCIe Bandwidth | 504.1 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Qualcomm Snapdragon 8cx Gen. 2 is 7 W, while the AMD EPYC 9654P has a TDP of 360 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Qualcomm Snapdragon 8cx Gen. 2 | Characteristic | AMD EPYC 9654P |
| 7 W | TDP (PL1 / PBP) | 360 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | 400 W |
| -- | TDP down | 320 W |
| -- | Tjunction max. | 100 °C |
Technical detailsThe Qualcomm Snapdragon 8cx Gen. 2 is manufactured in 7 nm and has 2.00 MB cache. The AMD EPYC 9654P is manufactured in 5 nm and has a 480.00 MB cache. |
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| Qualcomm Snapdragon 8cx Gen. 2 | Characteristic | AMD EPYC 9654P |
| 7 nm | Technology | 5 nm |
| Chiplet | Chip design | Chiplet |
| Armv8-A (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| -- | ISA extensions | SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI |
| -- | Socket | SP5 |
| None | Virtualization | AMD-V, SVM |
| No | AES-NI | Yes |
| Android, Windows 10 (ARM) | Operating systems | Windows Server 2022, Linux, Windows 11 |
| Q4/2018 | Release date | Q4/2022 |
| -- | Release price | 10625 $ |
| show more data | show more data | |
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8C 8T @ 3.15 GHz buy now on Amazon and save!
96C 192T @ 2.40 GHz (3.70 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks
Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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Qualcomm Snapdragon 8cx Gen. 2
8C 8T @ 3.15 GHz |
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AMD EPYC 9654P
96C 192T @ 3.70 GHz |
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Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Qualcomm Snapdragon 8cx Gen. 2
8C 8T @ 3.15 GHz |
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AMD EPYC 9654P
96C 192T @ 3.55 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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Qualcomm Snapdragon 8cx Gen. 2
8C 8T @ 3.15 GHz |
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AMD EPYC 9654P
96C 192T @ 3.70 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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Qualcomm Snapdragon 8cx Gen. 2
8C 8T @ 3.15 GHz |
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AMD EPYC 9654P
96C 192T @ 3.55 GHz |
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Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
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Qualcomm Snapdragon 8cx Gen. 2
8C 8T @ 3.15 GHz |
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AMD EPYC 9654P
96C 192T @ 3.55 GHz |
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Performance for Artificial Intelligence (AI) and Machine Learning (ML)
Processors 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. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
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Qualcomm Snapdragon 8cx Gen. 2
8C 8T @ 3.15 GHz |
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AMD EPYC 9654P
96C 192T @ 2.40 GHz |
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Devices using this processor |
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| Qualcomm Snapdragon 8cx Gen. 2 | AMD EPYC 9654P |
| Lenovo Flex 5G Lenovo Yoga C 5G Samsung Galaxy Book S |
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