Intel Atom x6425E vs AMD Ryzen 5 7640S
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CPU comparison with benchmarks
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| Intel Atom x6425E | AMD Ryzen 5 7640S | |
CPU comparisonIntel Atom x6425E or AMD Ryzen 5 7640S - 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 Intel Atom x6425E has 4 cores with 4 threads and clocks with a maximum frequency of 3.00 GHz. Up to 32 GB of memory is supported in 4 memory channels. The Intel Atom x6425E was released in Q1/2021. The AMD Ryzen 5 7640S has 6 cores with 12 threads and clocks with a maximum frequency of 4.90 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The AMD Ryzen 5 7640S was released in Q2/2023. |
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| Intel Atom (108) | Family | AMD Ryzen 5 (86) |
| Intel Atom x6000 (10) | CPU group | AMD Ryzen 7040 (21) |
| 6 | Generation | 6 |
| Elkhart Lake | Architecture | Phoenix (Zen 4) |
| Mobile | Segment | Mobile |
| -- | Predecessor | -- |
| Intel Atom x7425E | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Atom x6425E is a 4 core processor with a clock frequency of 2.00 GHz (3.00 GHz). The AMD Ryzen 5 7640S has 6 CPU cores with a clock frequency of 3.50 GHz (4.90 GHz). |
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| Intel Atom x6425E | Characteristic | AMD Ryzen 5 7640S |
| 4 | Cores | 6 |
| 4 | Threads | 12 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 2.00 GHz | Frequency | 3.50 GHz |
| 3.00 GHz | Turbo Frequency (1 Core) | 4.90 GHz |
| 2.70 GHz | Turbo Frequency (All Cores) | -- |
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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| Intel UHD Graphics 10th Gen (32 EU) | GPU | AMD Radeon 760M |
| 0.50 GHz | GPU frequency | 0.80 GHz |
| 0.75 GHz | GPU (Turbo) | 2.60 GHz |
| 11 | GPU Generation | 10 |
| 14 nm | Technology | 4 nm |
| 3 | Max. displays | 4 |
| 32 | Compute units | 8 |
| 256 | Shader | 512 |
| No | Hardware Raytracing | Yes |
| No | Frame Generation | AMD FSR |
| 64 GB | Max. GPU Memory | 32 GB |
| 12 | 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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| Intel UHD Graphics 10th Gen (32 EU) | GPU | AMD Radeon 760M |
| 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 |
| Decode | Codec AV1 | Decode / Encode |
| Decode / Encode | Codec AVC | Decode |
| Decode | Codec VC-1 | Decode |
| Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Atom x6425E supports a maximum of 32 GB of memory in 4 memory channels. The AMD Ryzen 5 7640S can connect up to 256 GB of memory in 2 memory channels. |
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| Intel Atom x6425E | Characteristic | AMD Ryzen 5 7640S |
| LPDDR4X-3733, DDR4-3200 | Memory | DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 |
| 32 GB | Max. Memory | 256 GB |
| 4 (Quad Channel) | Memory channels | 2 (Dual Channel) |
| 119.2 GB/s | Max. Bandwidth | 120.0 GB/s |
| Yes | ECC | Yes |
| 1.50 MB | L2 Cache | 6.00 MB |
| -- | L3 Cache | 16.00 MB |
| 3.0 | PCIe version | 4.0 |
| 8 | PCIe lanes | 20 |
| 7.9 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Atom x6425E has a TDP of 12 W, that of the AMD Ryzen 5 7640S is 18 W. |
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| Intel Atom x6425E | Characteristic | AMD Ryzen 5 7640S |
| 12 W | TDP (PL1 / PBP) | 18 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | 28 W |
| -- | TDP down | -- |
| 105 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Atom x6425E has a 1.50 MB cache, while the AMD Ryzen 5 7640S cache has a total of 22.00 MB. |
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| Intel Atom x6425E | Characteristic | AMD Ryzen 5 7640S |
| 10 nm | Technology | 4 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2 | ISA extensions | SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 |
| BGA 1493 | Socket | FP8 |
| VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Operating systems | Windows 10, Windows 11, Linux | |
| Q1/2021 | Release date | Q2/2023 |
| 56 $ | Release price | -- |
| show more data | show more data | |
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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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Intel Atom x6425E
Intel UHD Graphics 10th Gen (32 EU) @ 0.75 GHz |
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AMD Ryzen 5 7640S
AMD Radeon 760M @ 2.60 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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Intel Atom x6425E
4C 4T @ 3.00 GHz |
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AMD Ryzen 5 7640S
6C 12T @ 4.90 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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Intel Atom x6425E
4C 4T @ 2.70 GHz |
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AMD Ryzen 5 7640S
6C 12T @ 3.50 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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Intel Atom x6425E
4C 4T @ 3.00 GHz |
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AMD Ryzen 5 7640S
6C 12T @ 4.90 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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Intel Atom x6425E
4C 4T @ 2.70 GHz |
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AMD Ryzen 5 7640S
6C 12T @ 3.50 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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Intel Atom x6425E
4C 4T @ 2.70 GHz |
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AMD Ryzen 5 7640S
6C 12T @ 3.50 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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Intel Atom x6425E
4C 4T @ 3.00 GHz |
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AMD Ryzen 5 7640S
6C 12T @ 4.90 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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Intel Atom x6425E
4C 4T @ 2.70 GHz |
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AMD Ryzen 5 7640S
6C 12T @ 3.50 GHz |
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Devices using this processor |
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| Intel Atom x6425E | AMD Ryzen 5 7640S |
| Unknown | Unknown |
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