Intel Core i5-540UM vs Intel Atom C3958
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CPU comparison with benchmarks
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| Intel Core i5-540UM | Intel Atom C3958 | |
CPU comparisonIn this CPU comparison, we compare the Intel Core i5-540UM and the Intel Atom C3958 and use benchmarks to check which processor is faster.
We compare the Intel Core i5-540UM 2 core processor released in Q2/2010 with the Intel Atom C3958 which has 16 CPU cores and was introduced in Q3/2017. |
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| Intel Core i5 (331) | Family | Intel Atom (108) |
| Intel Core i5 500 (3) | CPU group | Intel Atom C3000 (20) |
| 1 | Generation | 5 |
| Arrandale | Architecture | Denverton |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i5-540UM is a 2 core processor with a clock frequency of 1.20 GHz (2.00 GHz). The processor can compute 4 threads at the same time. The Intel Atom C3958 clocks with 2.00 GHz, has 16 CPU cores and can calculate 16 threads in parallel. |
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| Intel Core i5-540UM | Characteristic | Intel Atom C3958 |
| 2 | Cores | 16 |
| 4 | Threads | 16 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 1.20 GHz | Frequency | 2.00 GHz |
| 2.00 GHz | Turbo Frequency (1 Core) | -- |
| -- | Turbo Frequency (All Cores) | -- |
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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| Intel HD Graphics (Westmere) | GPU | no iGPU |
| 0.50 GHz | GPU frequency | -- |
| 0.73 GHz | GPU (Turbo) | -- |
| 5 | GPU Generation | -- |
| 32 nm | Technology | |
| 2 | Max. displays | |
| 12 | Compute units | -- |
| 24 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 GB | Max. GPU Memory | -- |
| 10.1 | DirectX Version | -- |
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 (Westmere) | GPU | no iGPU |
| No | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| Decode | Codec h264 | No |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| Decode | Codec AVC | No |
| No | Codec VC-1 | No |
| No | Codec JPEG | No |
Memory & PCIeUp to 8 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i5-540UM, while the Intel Atom C3958 supports a maximum of 256 GB of memory with a maximum memory bandwidth of 38.4 GB/s enabled. |
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| Intel Core i5-540UM | Characteristic | Intel Atom C3958 |
| DDR3-800 | Memory | DDR4-2400 |
| 8 GB | Max. Memory | 256 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 12.8 GB/s | Max. Bandwidth | 38.4 GB/s |
| No | ECC | Yes |
| 3.00 MB | L2 Cache | 16.00 MB |
| -- | L3 Cache | -- |
| 2.0 | PCIe version | 3.0 |
| 16 | PCIe lanes | 16 |
| 8.0 GB/s | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe Intel Core i5-540UM has a TDP of 18 W. The TDP of the Intel Atom C3958 is 31 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| Intel Core i5-540UM | Characteristic | Intel Atom C3958 |
| 18 W | TDP (PL1 / PBP) | 31 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 105 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Core i5-540UM has 3.00 MB cache and is manufactured in 32 nm. The cache of Intel Atom C3958 is at 16.00 MB. The processor is manufactured in 14 nm. |
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| Intel Core i5-540UM | Characteristic | Intel Atom C3958 |
| 32 nm | Technology | 14 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2 | ISA extensions | SSE4.1, SSE4.2 |
| BGA 1288 | Socket | BGA 1310 |
| VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Windows, Linux | Operating systems | Windows 10, Linux |
| Q2/2010 | Release date | Q3/2017 |
| -- | Release price | 449 $ |
| show more data | show more data | |
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16C 16T @ 2.00 GHz buy now on Amazon and save!
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Rate these processors
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 Core i5-540UM
2C 4T @ 2.00 GHz |
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Intel Atom C3958
16C 16T @ 2.00 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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Intel Core i5-540UM
2C 4T @ 1.20 GHz |
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Intel Atom C3958
16C 16T @ 2.00 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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Intel Core i5-540UM
Intel HD Graphics (Westmere) @ 0.73 GHz |
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Intel Atom C3958
@ 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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Intel Core i5-540UM
2C 4T @ 1.20 GHz |
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Intel Atom C3958
16C 16T @ 2.00 GHz |
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Devices using this processor |
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| Intel Core i5-540UM | Intel Atom C3958 |
| Unknown | Unknown |
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