AMD Ryzen 5 7640U vs Qualcomm Snapdragon 8cx Gen 3
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CPU comparison with benchmarks
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| AMD Ryzen 5 7640U | Qualcomm Snapdragon 8cx Gen 3 | |
CPU comparisonIn this CPU comparison, we compare the AMD Ryzen 5 7640U and the Qualcomm Snapdragon 8cx Gen 3 and use benchmarks to check which processor is faster.
We compare the AMD Ryzen 5 7640U 6 core processor released in Q3/2023 with the Qualcomm Snapdragon 8cx Gen 3 which has 8 CPU cores and was introduced in Q1/2022. |
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| AMD Ryzen 5 (86) | Family | Qualcomm Snapdragon (103) |
| AMD Ryzen 7040 (21) | CPU group | Qualcomm Snapdragon 8cx Gen 3 (1) |
| 6 | Generation | 3 |
| Phoenix (Zen 4) | Architecture | Cortex-X1 / Cortex-A78 |
| Mobile | Segment | Mobile |
| -- | Predecessor | Qualcomm Snapdragon 8cx Gen. 2 |
| AMD Ryzen 5 8640U | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 5 7640U is a 6 core processor with a clock frequency of 3.50 GHz (4.90 GHz). The processor can compute 12 threads at the same time. The Qualcomm Snapdragon 8cx Gen 3 clocks with 3.00 GHz, has 8 CPU cores and can calculate 8 threads in parallel. |
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| AMD Ryzen 5 7640U | Characteristic | Qualcomm Snapdragon 8cx Gen 3 |
| 6 | Cores | 8 |
| 12 | Threads | 8 |
| normal | Core architecture | hybrid (big.LITTLE) |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 3.50 GHz (4.90 GHz) 6x Zen 4 |
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 7640U | Characteristic | Qualcomm Snapdragon 8cx Gen 3 |
| -- | AI hardware | Qualcomm AI engine |
| -- | AI specifications | Hexagon |
| -- | 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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| AMD Radeon 760M | GPU | Qualcomm Adreno 690 |
| 0.80 GHz | GPU frequency | -- |
| 2.60 GHz | GPU (Turbo) | -- |
| 10 | GPU Generation | 6 |
| 4 nm | Technology | 7 nm |
| 4 | Max. displays | 0 |
| 8 | Compute units | -- |
| 512 | Shader | -- |
| Yes | Hardware Raytracing | No |
| AMD FSR | Frame Generation | No |
| 32 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 760M | 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 | Codec VP9 | Decode |
| Decode | Codec VP8 | Decode / Encode |
| Decode / Encode | Codec AV1 | No |
| Decode | Codec AVC | Decode |
| Decode | Codec VC-1 | Decode |
| Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeUp to 256 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 5 7640U, while the Qualcomm Snapdragon 8cx Gen 3 supports a maximum of 32 GB of memory with a maximum memory bandwidth of 68.2 GB/s enabled. |
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| AMD Ryzen 5 7640U | Characteristic | Qualcomm Snapdragon 8cx Gen 3 |
| DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 | Memory | LPDDR4X-4266 |
| 256 GB | Max. Memory | 32 GB |
| 2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
| 120.0 GB/s | Max. Bandwidth | 68.2 GB/s |
| Yes | ECC | No |
| 6.00 MB | L2 Cache | -- |
| 16.00 MB | L3 Cache | -- |
| 4.0 | PCIe version | -- |
| 20 | PCIe lanes | -- |
| 39.4 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe AMD Ryzen 5 7640U has a TDP of 28 W. The TDP of the Qualcomm Snapdragon 8cx Gen 3 is 7 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| AMD Ryzen 5 7640U | Characteristic | Qualcomm Snapdragon 8cx Gen 3 |
| 28 W | TDP (PL1 / PBP) | 7 W |
| -- | TDP (PL2) | -- |
| 30 W | TDP up | -- |
| 15 W | TDP down | -- |
| 100 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 5 7640U has 22.00 MB cache and is manufactured in 4 nm. The cache of Qualcomm Snapdragon 8cx Gen 3 is at 0.00 MB. The processor is manufactured in 5 nm. |
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| AMD Ryzen 5 7640U | Characteristic | Qualcomm Snapdragon 8cx Gen 3 |
| 4 nm | Technology | 5 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, Windows 10 (ARM) |
| Q3/2023 | 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 7640U
6C 12T @ 4.90 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 7640U
6C 12T @ 3.50 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 7640U
6C 12T @ 4.90 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 7640U
6C 12T @ 3.50 GHz |
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Qualcomm Snapdragon 8cx Gen 3
8C 8T @ 3.00 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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AMD Ryzen 5 7640U
6C 12T @ 4.90 GHz |
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Qualcomm Snapdragon 8cx Gen 3
8C 8T @ 3.00 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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AMD Ryzen 5 7640U
6C 12T @ 3.50 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 7640U
AMD Radeon 760M @ 2.60 GHz |
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Qualcomm Snapdragon 8cx Gen 3
Qualcomm Adreno 690 @ 0.00 GHz |
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CPU performance per watt (efficiency)
Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
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AMD Ryzen 5 7640U
10,675 CB R23 MC @ 24 W |
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Qualcomm Snapdragon 8cx Gen 3
3.00 GHz |
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Devices using this processor |
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| AMD Ryzen 5 7640U | Qualcomm Snapdragon 8cx Gen 3 |
| Unknown | Unknown |
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