AMD EPYC 7742 | Qualcomm Snapdragon 7c Gen 2 | |
CPU comparisonIn this CPU comparison, we compare the AMD EPYC 7742 and the Qualcomm Snapdragon 7c Gen 2 and use benchmarks to check which processor is faster.
We compare the AMD EPYC 7742 64 core processor released in Q3/2019 with the Qualcomm Snapdragon 7c Gen 2 which has 8 CPU cores and was introduced in Q2/2021. |
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AMD EPYC (129) | Family | Qualcomm Snapdragon (104) |
AMD EPYC 7002 (24) | CPU group | Qualcomm Snapdragon 7c (2) |
2 | Generation | 2 |
Rome (Zen 2) | Architecture | Kryo 468 |
Desktop / Server | Segment | Mobile |
-- | Predecessor | Qualcomm Snapdragon 7c |
-- | Successor | Qualcomm Snapdragon 7c+ Gen 3 |
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CPU Cores and Base FrequencyThe AMD EPYC 7742 is a 64 core processor with a clock frequency of 2.25 GHz (3.40 GHz). The processor can compute 128 threads at the same time. The Qualcomm Snapdragon 7c Gen 2 clocks with 2.55 GHz, has 8 CPU cores and can calculate 8 threads in parallel. |
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AMD EPYC 7742 | Characteristic | Qualcomm Snapdragon 7c Gen 2 |
64 | Cores | 8 |
128 | Threads | 8 |
normal | Core architecture | hybrid (big.LITTLE) |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
2.25 GHz (3.40 GHz) | A-Core | 2.55 GHz 2x Kryo 468 Gold |
-- | B-Core | 2.55 GHz 6x Kryo 468 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 7742 | Characteristic | Qualcomm Snapdragon 7c Gen 2 |
-- | AI hardware | Qualcomm AI engine |
-- | AI specifications | Hexagon 692 @ 5 TOPS |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)Graphics (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 | Qualcomm Adreno 618 |
GPU frequency | 0.70 GHz | |
-- | GPU (Turbo) | -- |
-- | GPU Generation | 6 |
Technology | 14 nm | |
Max. displays | 2 | |
-- | Compute units | -- |
-- | Shader | 128 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 4 GB |
-- | DirectX Version | 12.1 |
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 618 |
No | Codec h265 / HEVC (8 bit) | Decode |
No | Codec h265 / HEVC (10 bit) | Decode |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode |
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 7742, while the Qualcomm Snapdragon 7c Gen 2 supports a maximum of 16 GB of memory with a maximum memory bandwidth of 17.1 GB/s enabled. |
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AMD EPYC 7742 | Characteristic | Qualcomm Snapdragon 7c Gen 2 |
DDR4-3200 | Memory | LPDDR4X-4266 |
Max. Memory | 16 GB | |
8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
51.2 GB/s | Max. Bandwidth | 17.1 GB/s |
Yes | ECC | No |
-- | L2 Cache | -- |
256.00 MB | L3 Cache | -- |
4.0 | PCIe version | -- |
128 | PCIe lanes | -- |
252.0 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe AMD EPYC 7742 has a TDP of 225 W. The TDP of the Qualcomm Snapdragon 7c Gen 2 is --. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD EPYC 7742 | Characteristic | Qualcomm Snapdragon 7c Gen 2 |
225 W | TDP (PL1 / PBP) | -- |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD EPYC 7742 has 256.00 MB cache and is manufactured in 7 nm. The cache of Qualcomm Snapdragon 7c Gen 2 is at 0.00 MB. The processor is manufactured in 8 nm. |
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AMD EPYC 7742 | Characteristic | Qualcomm Snapdragon 7c Gen 2 |
7 nm | Technology | 8 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 | Android |
Q3/2019 | Release date | Q2/2021 |
9000 $ | Release price | -- |
show more data | show more data | |
AMD EPYC 7742
64C 128T @ 3.40 GHz |
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Qualcomm Snapdragon 7c Gen 2
8C 8T @ 2.55 GHz |
AMD EPYC 7742
64C 128T @ 2.80 GHz |
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Qualcomm Snapdragon 7c Gen 2
8C 8T @ 2.55 GHz |
AMD EPYC 7742
64C 128T @ 2.80 GHz |
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Qualcomm Snapdragon 7c Gen 2
8C 8T @ 2.55 GHz |
AMD EPYC 7742
64C 128T @ 3.40 GHz |
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Qualcomm Snapdragon 7c Gen 2
8C 8T @ 2.55 GHz |
AMD EPYC 7742
64C 128T @ 2.80 GHz |
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Qualcomm Snapdragon 7c Gen 2
8C 8T @ 2.55 GHz |
AMD EPYC 7742
64C 128T @ 3.40 GHz |
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Qualcomm Snapdragon 7c Gen 2
8C 8T @ 2.55 GHz |
AMD EPYC 7742
64C 128T @ 2.80 GHz |
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Qualcomm Snapdragon 7c Gen 2
8C 8T @ 2.55 GHz |
AMD EPYC 7742
@ 0.00 GHz |
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Qualcomm Snapdragon 7c Gen 2
Qualcomm Adreno 618 @ 0.70 GHz |
AMD EPYC 7742
64C 128T @ 2.25 GHz |
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Qualcomm Snapdragon 7c Gen 2
8C 8T @ 2.55 GHz |
Devices using this processor |
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AMD EPYC 7742 | Qualcomm Snapdragon 7c Gen 2 |
Unknown | Unknown |