Qualcomm Snapdragon 820 Lite vs AMD Ryzen 9 PRO 7940HS
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CPU comparison with benchmarks
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| Qualcomm Snapdragon 820 Lite | AMD Ryzen 9 PRO 7940HS | |
CPU comparisonQualcomm Snapdragon 820 Lite 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 820 Lite has 4 cores with 4 threads and clocks with a maximum frequency of 1.80 GHz. Up to 8 GB of memory is supported in 4 memory channels. The Qualcomm Snapdragon 820 Lite was released in Q1/2016. 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 820 (3) | CPU group | AMD Ryzen 7040 (21) |
| 3 | Generation | 6 |
| Kryo | Architecture | Phoenix (Zen 4) |
| Mobile | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Qualcomm Snapdragon 820 Lite has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Qualcomm Snapdragon 820 Lite is 1.80 GHz while the AMD Ryzen 9 PRO 7940HS has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 9 PRO 7940HS is at 4.00 GHz (5.20 GHz). |
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| Qualcomm Snapdragon 820 Lite | Characteristic | AMD Ryzen 9 PRO 7940HS |
| 4 | Cores | 8 |
| 4 | Threads | 16 |
| hybrid (big.LITTLE) | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 1.80 GHz 2x Kryo |
A-Core | 4.00 GHz (5.20 GHz) 8x Zen 4 |
| 1.36 GHz 2x Kryo |
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 820 Lite | Characteristic | AMD Ryzen 9 PRO 7940HS |
| -- | AI hardware | AMD Ryzen AI |
| -- | AI specifications | AMD dedicated AI XDNA Technology |
Internal GraphicsThe Qualcomm Snapdragon 820 Lite or AMD Ryzen 9 PRO 7940HS 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 530 | GPU | AMD Radeon 780M |
| 0.51 GHz | GPU frequency | 0.80 GHz |
| 0.51 GHz | GPU (Turbo) | 2.80 GHz |
| 5 | GPU Generation | 3 |
| 14 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 |
| 11,1 | 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 530 | GPU | AMD Radeon 780M |
| Decode | Codec h265 / HEVC (8 bit) | Decode / Encode |
| No | 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 |
| No | Codec AVC | Decode |
| Decode | Codec VC-1 | Decode |
| Decode | Codec JPEG | Decode / Encode |
Memory & PCIeThe Qualcomm Snapdragon 820 Lite can use up to 8 GB of memory in 4 memory channels. The maximum memory bandwidth is 10.7 GB/s. The AMD Ryzen 9 PRO 7940HS supports up to 256 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 120.0 GB/s. |
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| Qualcomm Snapdragon 820 Lite | Characteristic | AMD Ryzen 9 PRO 7940HS |
| LPDDR4-1333 | Memory | DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 |
| 8 GB | Max. Memory | 256 GB |
| 4 (Quad Channel) | Memory channels | 2 (Dual Channel) |
| 10.7 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 thermal design power (TDP for short) of the Qualcomm Snapdragon 820 Lite is --, while the AMD Ryzen 9 PRO 7940HS has a TDP of 54 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Qualcomm Snapdragon 820 Lite | 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 820 Lite is manufactured in 14 nm and has 0.00 MB cache. The AMD Ryzen 9 PRO 7940HS is manufactured in 4 nm and has a 24.00 MB cache. |
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| Qualcomm Snapdragon 820 Lite | Characteristic | AMD Ryzen 9 PRO 7940HS |
| 14 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 |
| Q1/2016 | Release date | Q2/2023 |
| -- | Release price | -- |
| show more data | show more data | |
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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 820 Lite
4C 4T @ 1.80 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 820 Lite
4C 4T @ 1.80 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 820 Lite
Qualcomm Adreno 530 @ 0.51 GHz |
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AMD Ryzen 9 PRO 7940HS
AMD Radeon 780M @ 2.80 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 820 Lite
4C 4T @ 1.80 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 820 Lite
4C 4T @ 1.80 GHz |
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AMD Ryzen 9 PRO 7940HS
8C 16T @ 4.00 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 820 Lite
4C 4T @ 1.80 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 820 Lite | AMD Ryzen 9 PRO 7940HS |
| Unknown | Unknown |
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