AMD Ryzen 9 7940HS | Qualcomm Snapdragon 680 4G | |
CPU comparisonAMD Ryzen 9 7940HS or Qualcomm Snapdragon 680 4G - 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 Ryzen 9 7940HS has 8 cores with 16 threads and clocks with a maximum frequency of 5.20 GHz. Up to 256 GB of memory is supported in 2 memory channels. The AMD Ryzen 9 7940HS was released in Q1/2023. The Qualcomm Snapdragon 680 4G has 8 cores with 8 threads and clocks with a maximum frequency of 2.40 GHz. The CPU supports up to 8 GB of memory in 2 memory channels. The Qualcomm Snapdragon 680 4G was released in Q1/2022. |
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AMD Ryzen 9 (40) | Family | Qualcomm Snapdragon (104) |
AMD Ryzen 7040 (21) | CPU group | Qualcomm Snapdragon 680 (2) |
6 | Generation | 6 |
Phoenix (Zen 4) | Architecture | Kryo 265 |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
AMD Ryzen 9 8945HS | Successor | Qualcomm Snapdragon 685 4G |
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CPU Cores and Base FrequencyThe AMD Ryzen 9 7940HS is a 8 core processor with a clock frequency of 4.00 GHz (5.20 GHz). The Qualcomm Snapdragon 680 4G has 8 CPU cores with a clock frequency of 2.40 GHz. |
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AMD Ryzen 9 7940HS | Characteristic | Qualcomm Snapdragon 680 4G |
8 | Cores | 8 |
16 | Threads | 8 |
normal | Core architecture | hybrid (big.LITTLE) |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
4.00 GHz (5.20 GHz) 8x Zen 4 |
A-Core | 2.40 GHz 4x Kryo 265 Gold |
-- | B-Core | 1.80 GHz 4x Kryo 265 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 Ryzen 9 7940HS | Characteristic | Qualcomm Snapdragon 680 4G |
AMD Ryzen™ AI | AI hardware | Qualcomm AI engine |
AMD dedicated AI XDNA Technology | AI specifications | Hexagon 686 @ 3.3 TOPS |
-- | NPU + CPU + iGPU | -- |
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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AMD Radeon 780M | GPU | Qualcomm Adreno 610 |
0.80 GHz | GPU frequency | -- |
2.80 GHz | GPU (Turbo) | -- |
3 | GPU Generation | 6 |
4 nm | Technology | 11 nm |
4 | Max. displays | 0 |
12 | Compute units | -- |
768 | Shader | 128 |
Yes | Hardware Raytracing | No |
AMD FSR | Frame Generation | No |
32 GB | Max. GPU Memory | 4 GB |
12 | 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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AMD Radeon 780M | GPU | Qualcomm Adreno 610 |
Decode / Encode | Codec h265 / HEVC (8 bit) | Decode |
Decode / Encode | Codec h265 / HEVC (10 bit) | Decode |
Decode / Encode | Codec h264 | Decode / Encode |
Decode | Codec VP9 | Decode |
Decode | Codec VP8 | Decode |
Decode / Encode | Codec AV1 | No |
Decode | Codec AVC | Decode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD Ryzen 9 7940HS supports a maximum of 256 GB of memory in 2 memory channels. The Qualcomm Snapdragon 680 4G can connect up to 8 GB of memory in 2 memory channels. |
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AMD Ryzen 9 7940HS | Characteristic | Qualcomm Snapdragon 680 4G |
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 | Memory | LPDDR4X-4266 |
256 GB | Max. Memory | 8 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
120.0 GB/s | Max. Bandwidth | 34.1 GB/s |
Yes | ECC | No |
8.00 MB | L2 Cache | -- |
16.00 MB | L3 Cache | -- |
4.0 | PCIe version | -- |
20 | PCIe lanes | -- |
39.4 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 9 7940HS has a TDP of 54 W, that of the Qualcomm Snapdragon 680 4G is --. |
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AMD Ryzen 9 7940HS | Characteristic | Qualcomm Snapdragon 680 4G |
54 W | TDP (PL1 / PBP) | -- |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
35 W | TDP down | -- |
100 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 9 7940HS has a 24.00 MB cache, while the Qualcomm Snapdragon 680 4G cache has a total of 0.00 MB. |
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AMD Ryzen 9 7940HS | Characteristic | Qualcomm Snapdragon 680 4G |
4 nm | Technology | 6 nm |
Monolithic | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 | ISA extensions | -- |
FP8 | Socket | -- |
AMD-V, SVM | Virtualization | None |
Yes | AES-NI | No |
Windows 10, Windows 11, Linux | Operating systems | Android |
Q1/2023 | Release date | Q1/2022 |
-- | Release price | 200 $ |
show more data | show more data | |
AMD Ryzen 9 7940HS
8C 16T @ 5.20 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 4.00 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 5.20 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 4.00 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
AMD Ryzen 9 7940HS
AMD Radeon 780M @ 2.80 GHz |
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Qualcomm Snapdragon 680 4G
Qualcomm Adreno 610 @ 0.00 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 4.00 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 4.00 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 4.00 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 4.00 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
AMD Ryzen 9 7940HS
8C 16T @ 4.00 GHz |
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Qualcomm Snapdragon 680 4G
8C 8T @ 2.40 GHz |
Devices using this processor |
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AMD Ryzen 9 7940HS | Qualcomm Snapdragon 680 4G |
Unknown | Xiaomi Redmi Note 11 Realme 9i Test |