AMD Ryzen 5 3450U vs Qualcomm Snapdragon 8cx Gen 3
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CPU comparison with benchmarks
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| AMD Ryzen 5 3450U | Qualcomm Snapdragon 8cx Gen 3 | |
CPU comparisonAMD Ryzen 5 3450U or Qualcomm Snapdragon 8cx Gen 3 - 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 5 3450U has 4 cores with 8 threads and clocks with a maximum frequency of 3.50 GHz. Up to 32 GB of memory is supported in 2 memory channels. The AMD Ryzen 5 3450U was released in Q2/2020. The Qualcomm Snapdragon 8cx Gen 3 has 8 cores with 8 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to 32 GB of memory in 8 memory channels. The Qualcomm Snapdragon 8cx Gen 3 was released in Q1/2022. |
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| AMD Ryzen 5 (86) | Family | Qualcomm Snapdragon (104) |
| AMD Ryzen 3000U (10) | CPU group | Qualcomm Snapdragon 8cx Gen 3 (1) |
| 2 | Generation | 3 |
| Picasso (Zen+) | Architecture | Cortex-X1 / Cortex-A78 |
| Mobile | Segment | Mobile |
| -- | Predecessor | Qualcomm Snapdragon 8cx Gen. 2 |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 5 3450U has 4 CPU cores and can calculate 8 threads in parallel. The clock frequency of the AMD Ryzen 5 3450U is 2.10 GHz (3.50 GHz) while the Qualcomm Snapdragon 8cx Gen 3 has 8 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Qualcomm Snapdragon 8cx Gen 3 is at 3.00 GHz. |
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| AMD Ryzen 5 3450U | Characteristic | Qualcomm Snapdragon 8cx Gen 3 |
| 4 | Cores | 8 |
| 8 | Threads | 8 |
| normal | Core architecture | hybrid (big.LITTLE) |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.10 GHz (3.50 GHz) | A-Core | 3.00 GHz 4x Kryo 680 Prime |
| -- | B-Core | 2.42 GHz 4x Kryo 680 Gold |
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 5 3450U | Characteristic | Qualcomm Snapdragon 8cx Gen 3 |
| -- | AI hardware | Qualcomm AI engine |
| -- | AI specifications | Hexagon |
| -- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The AMD Ryzen 5 3450U or Qualcomm Snapdragon 8cx Gen 3 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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| AMD Radeon RX Vega 8 (Raven Ridge) | GPU | Qualcomm Adreno 690 |
| 1.20 GHz | GPU frequency | -- |
| -- | GPU (Turbo) | -- |
| 8 | GPU Generation | 6 |
| 14 nm | Technology | 7 nm |
| 3 | Max. displays | 0 |
| 8 | Compute units | -- |
| 512 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 GB | Max. GPU Memory | -- |
| 12 | DirectX Version | 12.0 |
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 RX Vega 8 (Raven Ridge) | GPU | Qualcomm Adreno 690 |
| Decode / Encode | Codec h265 / HEVC (8 bit) | Decode / Encode |
| Decode / Encode | Codec h265 / HEVC (10 bit) | Decode / Encode |
| Decode / Encode | Codec h264 | Decode / Encode |
| Decode / Encode | Codec VP9 | Decode |
| Decode / Encode | Codec VP8 | Decode / Encode |
| No | Codec AV1 | No |
| Decode / Encode | Codec AVC | Decode |
| Decode | Codec VC-1 | Decode |
| Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD Ryzen 5 3450U can use up to 32 GB of memory in 2 memory channels. The maximum memory bandwidth is 38.4 GB/s. The Qualcomm Snapdragon 8cx Gen 3 supports up to 32 GB of memory in 8 memory channels and achieves a memory bandwidth of up to 68.2 GB/s. |
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| AMD Ryzen 5 3450U | Characteristic | Qualcomm Snapdragon 8cx Gen 3 |
| DDR4-2400 | Memory | LPDDR4X-4266 |
| 32 GB | Max. Memory | 32 GB |
| 2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
| 38.4 GB/s | Max. Bandwidth | 68.2 GB/s |
| Yes | ECC | No |
| 2.00 MB | L2 Cache | -- |
| 4.00 MB | L3 Cache | -- |
| 3.0 | PCIe version | -- |
| 12 | PCIe lanes | -- |
| 11.8 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Ryzen 5 3450U is 15 W, while the Qualcomm Snapdragon 8cx Gen 3 has a TDP of 7 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD Ryzen 5 3450U | Characteristic | Qualcomm Snapdragon 8cx Gen 3 |
| 15 W | TDP (PL1 / PBP) | 7 W |
| -- | TDP (PL2) | -- |
| 35 W | TDP up | -- |
| 12 W | TDP down | -- |
| 105 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 5 3450U is manufactured in 12 nm and has 6.00 MB cache. The Qualcomm Snapdragon 8cx Gen 3 is manufactured in 5 nm and has a 0.00 MB cache. |
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| AMD Ryzen 5 3450U | Characteristic | Qualcomm Snapdragon 8cx Gen 3 |
| 12 nm | Technology | 5 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 | -- |
| FP5 | Socket | -- |
| AMD-V, SVM | Virtualization | None |
| Yes | AES-NI | No |
| Windows 10, Windows 11, Linux | Operating systems | Android, Windows 10 (ARM) |
| Q2/2020 | Release date | Q1/2022 |
| -- | Release price | -- |
| show more data | show more data | |
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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
Cinebench R23 (Single-Core)
Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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AMD Ryzen 5 3450U
4C 8T @ 3.50 GHz |
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Qualcomm Snapdragon 8cx Gen 3
8C 8T @ 3.00 GHz |
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Cinebench R23 (Multi-Core)
Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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AMD Ryzen 5 3450U
4C 8T @ 3.10 GHz |
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Qualcomm Snapdragon 8cx Gen 3
8C 8T @ 3.00 GHz |
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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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AMD Ryzen 5 3450U
4C 8T @ 3.50 GHz |
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Qualcomm Snapdragon 8cx Gen 3
8C 8T @ 3.00 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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AMD Ryzen 5 3450U
4C 8T @ 3.10 GHz |
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Qualcomm Snapdragon 8cx Gen 3
8C 8T @ 3.00 GHz |
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Cinebench R20 (Single-Core)
Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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AMD Ryzen 5 3450U
4C 8T @ 3.50 GHz |
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Qualcomm Snapdragon 8cx Gen 3
8C 8T @ 3.00 GHz |
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Cinebench R20 (Multi-Core)
Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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AMD Ryzen 5 3450U
4C 8T @ 3.10 GHz |
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Qualcomm Snapdragon 8cx Gen 3
8C 8T @ 3.00 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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AMD Ryzen 5 3450U
AMD Radeon RX Vega 8 (Raven Ridge) @ 1.20 GHz |
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Qualcomm Snapdragon 8cx Gen 3
Qualcomm Adreno 690 @ 0.00 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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AMD Ryzen 5 3450U
4C 8T @ 3.10 GHz |
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Qualcomm Snapdragon 8cx Gen 3
8C 8T @ 3.00 GHz |
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Blender 2.81 (bmw27)
Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
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AMD Ryzen 5 3450U
4C 8T @ 3.10 GHz |
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Qualcomm Snapdragon 8cx Gen 3
8C 8T @ 3.00 GHz |
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CPU-Z Benchmark 17 (Multi-Core)
The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
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AMD Ryzen 5 3450U
4C 8T @ 2.10 GHz |
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Qualcomm Snapdragon 8cx Gen 3
8C 8T @ 3.00 GHz |
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Cinebench R15 (Single-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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AMD Ryzen 5 3450U
4C 8T @ 3.50 GHz |
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Qualcomm Snapdragon 8cx Gen 3
8C 8T @ 3.00 GHz |
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Cinebench R15 (Multi-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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AMD Ryzen 5 3450U
4C 8T @ 3.10 GHz |
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Qualcomm Snapdragon 8cx Gen 3
8C 8T @ 3.00 GHz |
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Devices using this processor |
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| AMD Ryzen 5 3450U | Qualcomm Snapdragon 8cx Gen 3 |
| Unknown | Unknown |
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