Intel Atom Z3745 vs AMD Ryzen 5 7540U
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CPU comparison with benchmarks
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| Intel Atom Z3745 | AMD Ryzen 5 7540U | |
CPU comparisonIntel Atom Z3745 or AMD Ryzen 5 7540U - 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 Z3745 has 4 cores with 4 threads and clocks with a maximum frequency of 1.86 GHz. Up to 4 GB of memory is supported in 2 memory channels. The Intel Atom Z3745 was released in Q1/2014. The AMD Ryzen 5 7540U 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 7540U was released in Q3/2023. |
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| Intel Atom (108) | Family | AMD Ryzen 5 (85) |
| Intel Atom Z3700 (16) | CPU group | AMD Ryzen 7040 (21) |
| 4 | Generation | 6 |
| Bay Trail | Architecture | Phoenix (Zen 4) |
| Mobile | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | AMD Ryzen 5 8540U |
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CPU Cores and Base FrequencyThe Intel Atom Z3745 is a 4 core processor with a clock frequency of 1.33 GHz (1.86 GHz). The AMD Ryzen 5 7540U has 6 CPU cores with a clock frequency of 3.20 GHz (4.90 GHz). |
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| Intel Atom Z3745 | Characteristic | AMD Ryzen 5 7540U |
| 4 | Cores | 6 |
| 4 | Threads | 12 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 1.33 GHz | Frequency | 3.20 GHz |
| 1.86 GHz | Turbo Frequency (1 Core) | 4.90 GHz |
| -- | Turbo Frequency (All Cores) | -- |
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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| Intel HD Graphics (Bay Trail GT1) | GPU | AMD Radeon 740M |
| 0.31 GHz | GPU frequency | 0.80 GHz |
| 0.78 GHz | GPU (Turbo) | 2.50 GHz |
| 7 | GPU Generation | 10 |
| 22 nm | Technology | 4 nm |
| 2 | Max. displays | 4 |
| 4 | Compute units | 4 |
| 32 | Shader | 256 |
| No | Hardware Raytracing | Yes |
| No | Frame Generation | AMD FSR |
| 2 GB | Max. GPU Memory | 32 GB |
| 11.2 | 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 HD Graphics (Bay Trail GT1) | GPU | AMD Radeon 740M |
| No | Codec h265 / HEVC (8 bit) | Decode / Encode |
| No | Codec h265 / HEVC (10 bit) | Decode / Encode |
| Decode / Encode | Codec h264 | Decode / Encode |
| No | Codec VP9 | Decode |
| No | Codec VP8 | Decode |
| No | Codec AV1 | Decode / Encode |
| Decode / Encode | Codec AVC | Decode |
| Decode | Codec VC-1 | Decode |
| Decode | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Atom Z3745 supports a maximum of 4 GB of memory in 2 memory channels. The AMD Ryzen 5 7540U can connect up to 256 GB of memory in 2 memory channels. |
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| Intel Atom Z3745 | Characteristic | AMD Ryzen 5 7540U |
| LPDDR3-1066 | Memory | DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 |
| 4 GB | Max. Memory | 256 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 17.1 GB/s | Max. Bandwidth | 120.0 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | 6.00 MB |
| 2.00 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 Intel Atom Z3745 has a TDP of 4 W, that of the AMD Ryzen 5 7540U is 15 W. |
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| Intel Atom Z3745 | Characteristic | AMD Ryzen 5 7540U |
| 4 W | TDP (PL1 / PBP) | 15 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 90 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Atom Z3745 has a 2.00 MB cache, while the AMD Ryzen 5 7540U cache has a total of 22.00 MB. |
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| Intel Atom Z3745 | Characteristic | AMD Ryzen 5 7540U |
| 22 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 1380 | Socket | FP8 |
| VT-x, VT-x EPT | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Operating systems | Windows 10, Windows 11, Linux | |
| Q1/2014 | Release date | Q3/2023 |
| -- | Release price | -- |
| show more data | show more data | |
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6C 12T @ 3.20 GHz (4.90 GHz) buy now on Amazon and save!
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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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Intel Atom Z3745
4C 4T @ 1.86 GHz |
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AMD Ryzen 5 7540U
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 Z3745
4C 4T @ 1.33 GHz |
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AMD Ryzen 5 7540U
6C 12T @ 3.20 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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Intel Atom Z3745
Intel HD Graphics (Bay Trail GT1) @ 0.78 GHz |
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AMD Ryzen 5 7540U
AMD Radeon 740M @ 2.50 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 Z3745
4C 4T @ 1.86 GHz |
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AMD Ryzen 5 7540U
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 Z3745
4C 4T @ 1.33 GHz |
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AMD Ryzen 5 7540U
6C 12T @ 3.20 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 Z3745
4C 4T @ 1.33 GHz |
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AMD Ryzen 5 7540U
6C 12T @ 3.20 GHz |
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Devices using this processor |
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| Intel Atom Z3745 | AMD Ryzen 5 7540U |
| Unknown | Unknown |
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