Qualcomm Snapdragon 670 vs AMD Ryzen 9 PRO 7940HS
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CPU comparison with benchmarks
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| Qualcomm Snapdragon 670 | AMD Ryzen 9 PRO 7940HS | |
CPU comparisonQualcomm Snapdragon 670 or AMD Ryzen 9 PRO 7940HS - 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 670 has 8 cores with 8 threads and clocks with a maximum frequency of 2.00 GHz. Up to 8 GB of memory is supported in 2 memory channels. The Qualcomm Snapdragon 670 was released in Q3/2018. The AMD Ryzen 9 PRO 7940HS has 8 cores with 16 threads and clocks with a maximum frequency of 5.20 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The AMD Ryzen 9 PRO 7940HS was released in Q2/2023. |
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| Qualcomm Snapdragon (102) | Family | AMD Ryzen 9 PRO (4) |
| Qualcomm Snapdragon 670 (1) | CPU group | AMD Ryzen 7040 (21) |
| 6 | Generation | 6 |
| Kryo 360 | Architecture | Phoenix (Zen 4) |
| Mobile | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Qualcomm Snapdragon 670 is a 8 core processor with a clock frequency of 2.00 GHz. The AMD Ryzen 9 PRO 7940HS has 8 CPU cores with a clock frequency of 4.00 GHz (5.20 GHz). |
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| Qualcomm Snapdragon 670 | Characteristic | AMD Ryzen 9 PRO 7940HS |
| 8 | Cores | 8 |
| 8 | Threads | 16 |
| hybrid (big.LITTLE) | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 2.00 GHz 2x Kryo 360 Gold |
A-Core | 4.00 GHz (5.20 GHz) 8x Zen 4 |
| 1.70 GHz 6x Kryo 360 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 670 | Characteristic | AMD Ryzen 9 PRO 7940HS |
| Qualcomm AI engine | AI hardware | AMD Ryzen AI |
| Hexagon 685 @ 3 TOPS | AI specifications | AMD dedicated AI XDNA Technology |
Internal GraphicsThe 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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| Qualcomm Adreno 615 | GPU | AMD Radeon 780M |
| 0.70 GHz | GPU frequency | 0.80 GHz |
| 0.70 GHz | GPU (Turbo) | 2.80 GHz |
| 6 | GPU Generation | 3 |
| 10 nm | Technology | 4 nm |
| 0 | Max. displays | 4 |
| -- | Compute units | 12 |
| 256 | Shader | 768 |
| No | Hardware Raytracing | Yes |
| No | Frame Generation | AMD FSR |
| -- | Max. GPU Memory | 32 GB |
| 12.1 | DirectX Version | 12 |
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 615 | GPU | AMD Radeon 780M |
| Decode | Codec h265 / HEVC (8 bit) | Decode / Encode |
| Decode | Codec h265 / HEVC (10 bit) | Decode / Encode |
| Decode | Codec h264 | Decode / Encode |
| Decode | Codec VP9 | Decode |
| Decode | Codec VP8 | Decode |
| No | Codec AV1 | Decode / Encode |
| Decode | Codec AVC | Decode |
| Decode | Codec VC-1 | Decode |
| Decode | Codec JPEG | Decode / Encode |
Memory & PCIeThe Qualcomm Snapdragon 670 supports a maximum of 8 GB of memory in 2 memory channels. The AMD Ryzen 9 PRO 7940HS can connect up to 256 GB of memory in 2 memory channels. |
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| Qualcomm Snapdragon 670 | Characteristic | AMD Ryzen 9 PRO 7940HS |
| LPDDR4X-3733 | Memory | DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 |
| 8 GB | Max. Memory | 256 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 14.9 GB/s | Max. Bandwidth | 120.0 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | 8.00 MB |
| -- | L3 Cache | 16.00 MB |
| -- | PCIe version | 4.0 |
| -- | PCIe lanes | 20 |
| -- | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Qualcomm Snapdragon 670 has a TDP of --, that of the AMD Ryzen 9 PRO 7940HS is 54 W. |
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| Qualcomm Snapdragon 670 | Characteristic | AMD Ryzen 9 PRO 7940HS |
| -- | TDP (PL1 / PBP) | 54 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | 35 W |
| -- | Tjunction max. | 100 °C |
Technical detailsThe Qualcomm Snapdragon 670 has a 0.00 MB cache, while the AMD Ryzen 9 PRO 7940HS cache has a total of 24.00 MB. |
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| Qualcomm Snapdragon 670 | Characteristic | AMD Ryzen 9 PRO 7940HS |
| 10 nm | Technology | 4 nm |
| Chiplet | Chip design | Monolithic |
| Armv8-A (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| -- | ISA extensions | SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 |
| -- | Socket | FP8 |
| None | Virtualization | AMD-V, SVM |
| No | AES-NI | Yes |
| Android | Operating systems | Windows 10, Windows 11, Linux |
| Q3/2018 | Release date | Q2/2023 |
| -- | Release price | -- |
| show more data | show more data | |
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8C 16T @ 4.00 GHz (5.20 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 2 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 670
8C 8T @ 2.00 GHz |
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AMD Ryzen 9 PRO 7940HS
8C 16T @ 5.20 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 670
8C 8T @ 2.00 GHz |
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AMD Ryzen 9 PRO 7940HS
8C 16T @ 4.00 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 670
8C 8T @ 2.00 GHz |
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AMD Ryzen 9 PRO 7940HS
8C 16T @ 5.20 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 670
8C 8T @ 2.00 GHz |
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AMD Ryzen 9 PRO 7940HS
8C 16T @ 4.00 GHz |
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iGPU - FP32 Performance (Single-precision GFLOPS)
The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
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Qualcomm Snapdragon 670
Qualcomm Adreno 615 @ 0.70 GHz |
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AMD Ryzen 9 PRO 7940HS
AMD Radeon 780M @ 2.80 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 670
8C 8T @ 2.00 GHz |
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AMD Ryzen 9 PRO 7940HS
8C 16T @ 4.00 GHz |
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AnTuTu 8 Benchmark
The AnTuTu 8 Benchmark measures the performance of a SoC. AnTuTu benchmarks the CPU, GPU, Memory as well as the UX (User Experience) by simulating browser and app usage. AnTuTu can benchmark any ARM CPU that runs under Android or iOS. Devices may not be directly compareable if the benchmark has been performed under different operating systems.
In the AnTuTu 8 benchmark, the single-core performance of a processor is only slightly weighted. The evaluation consists of the multi-core performance of the processor, the speed of the RAM and the performance of the internal graphics.
In the AnTuTu 8 benchmark, the single-core performance of a processor is only slightly weighted. The evaluation consists of the multi-core performance of the processor, the speed of the RAM and the performance of the internal graphics.
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Qualcomm Snapdragon 670
8C 8T @ 2.00 GHz |
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AMD Ryzen 9 PRO 7940HS
8C 16T @ 4.00 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 670
8C 8T @ 2.00 GHz |
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AMD Ryzen 9 PRO 7940HS
8C 16T @ 4.00 GHz |
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Devices using this processor |
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| Qualcomm Snapdragon 670 | AMD Ryzen 9 PRO 7940HS |
| Unknown | Unknown |
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