Intel Pentium Gold 6405U vs Intel Atom C3538
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CPU comparison with benchmarks
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| Intel Pentium Gold 6405U | Intel Atom C3538 | |
CPU comparisonIn this CPU comparison, we compare the Intel Pentium Gold 6405U and the Intel Atom C3538 and use benchmarks to check which processor is faster.
We compare the Intel Pentium Gold 6405U 2 core processor released in Q4/2019 with the Intel Atom C3538 which has 4 CPU cores and was introduced in Q3/2017. |
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| Intel Pentium (150) | Family | Intel Atom (108) |
| Intel Pentium 6000 (1) | CPU group | Intel Atom C3000 (20) |
| 10 | Generation | 5 |
| Comet Lake U | Architecture | Denverton |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Pentium Gold 6405U is a 2 core processor with a clock frequency of 2.40 GHz. The processor can compute 4 threads at the same time. The Intel Atom C3538 clocks with 2.10 GHz, has 4 CPU cores and can calculate 4 threads in parallel. |
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| Intel Pentium Gold 6405U | Characteristic | Intel Atom C3538 |
| 2 | Cores | 4 |
| 4 | Threads | 4 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.40 GHz | Frequency | 2.10 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 UHD Graphics 610 | GPU | no iGPU |
| 0.30 GHz | GPU frequency | -- |
| 0.95 GHz | GPU (Turbo) | -- |
| 9.5 | GPU Generation | -- |
| 14 nm | Technology | |
| 3 | Max. displays | |
| 12 | Compute units | -- |
| 96 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 32 GB | Max. GPU Memory | -- |
| 12 | 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 UHD Graphics 610 | GPU | no iGPU |
| Decode / Encode | Codec h265 / HEVC (8 bit) | No |
| Decode / Encode | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | No |
| Decode / Encode | Codec VP9 | No |
| Decode / Encode | Codec VP8 | No |
| No | Codec AV1 | No |
| Decode / Encode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeUp to 64 GB of memory in a maximum of 2 memory channels is supported by the Intel Pentium Gold 6405U, while the Intel Atom C3538 supports a maximum of 256 GB of memory with a maximum memory bandwidth of 34.1 GB/s enabled. |
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| Intel Pentium Gold 6405U | Characteristic | Intel Atom C3538 |
| LPDDR3-2133, DDR4-2400 | Memory | DDR4-2133 |
| 64 GB | Max. Memory | 256 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 38.4 GB/s | Max. Bandwidth | 34.1 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | 8.00 MB |
| 2.00 MB | L3 Cache | -- |
| 2.0 | PCIe version | 3.0 |
| 12 | PCIe lanes | 12 |
| 6.0 GB/s | PCIe Bandwidth | 11.8 GB/s |
Thermal ManagementThe Intel Pentium Gold 6405U has a TDP of 15 W. The TDP of the Intel Atom C3538 is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| Intel Pentium Gold 6405U | Characteristic | Intel Atom C3538 |
| 15 W | TDP (PL1 / PBP) | 15 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| 12.5 W | TDP down | -- |
| 100 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Pentium Gold 6405U has 2.00 MB cache and is manufactured in 14 nm. The cache of Intel Atom C3538 is at 8.00 MB. The processor is manufactured in 14 nm. |
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| Intel Pentium Gold 6405U | Characteristic | Intel Atom C3538 |
| 14 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 1528 | Socket | BGA 1310 |
| VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
| Q4/2019 | Release date | Q3/2017 |
| 193 $ | Release price | 75 $ |
| show more data | show more data | |
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4C 4T @ 2.10 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 2 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 Pentium Gold 6405U
2C 4T @ 2.40 GHz |
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Intel Atom C3538
4C 4T @ 2.10 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 Pentium Gold 6405U
2C 4T @ 2.40 GHz |
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Intel Atom C3538
4C 4T @ 2.10 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 Pentium Gold 6405U
2C 4T @ 2.40 GHz |
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Intel Atom C3538
4C 4T @ 2.10 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 Pentium Gold 6405U
Intel UHD Graphics 610 @ 0.95 GHz |
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Intel Atom C3538
@ 0.00 GHz |
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Devices using this processor |
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| Intel Pentium Gold 6405U | Intel Atom C3538 |
| Lenovo Ideapad 3 17IML05 | Unknown |
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