Intel Core i9-9990XE vs Intel Pentium Gold 6405U
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CPU comparison with benchmarks
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| Intel Core i9-9990XE | Intel Pentium Gold 6405U | |
CPU comparisonIntel Core i9-9990XE or Intel Pentium Gold 6405U - 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 Core i9-9990XE has 14 cores with 28 threads and clocks with a maximum frequency of 5.10 GHz. Up to 128 GB of memory is supported in 4 memory channels. The Intel Core i9-9990XE was released in Q2/2019. The Intel Pentium Gold 6405U has 2 cores with 4 threads and clocks with a maximum frequency of 2.40 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Pentium Gold 6405U was released in Q4/2019. |
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| Intel Core i9 (78) | Family | Intel Pentium (150) |
| Intel Core i 9000X (8) | CPU group | Intel Pentium 6000 (1) |
| 9 | Generation | 10 |
| Skylake X Refresh | Architecture | Comet Lake U |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i9-9990XE is a 14 core processor with a clock frequency of 4.00 GHz (5.10 GHz). The Intel Pentium Gold 6405U has 2 CPU cores with a clock frequency of 2.40 GHz. |
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| Intel Core i9-9990XE | Characteristic | Intel Pentium Gold 6405U |
| 14 | Cores | 2 |
| 28 | Threads | 4 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| Yes | Overclocking ? | No |
| 4.00 GHz | Frequency | 2.40 GHz |
| 5.10 GHz | Turbo Frequency (1 Core) | -- |
| -- | 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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| no iGPU | GPU | Intel UHD Graphics 610 |
| GPU frequency | 0.30 GHz | |
| -- | GPU (Turbo) | 0.95 GHz |
| -- | GPU Generation | 9.5 |
| Technology | 14 nm | |
| Max. displays | 3 | |
| -- | Compute units | 12 |
| -- | Shader | 96 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 32 GB |
| -- | 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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| no iGPU | GPU | Intel UHD Graphics 610 |
| No | Codec h265 / HEVC (8 bit) | Decode / Encode |
| No | Codec h265 / HEVC (10 bit) | Decode / Encode |
| No | Codec h264 | Decode / Encode |
| No | Codec VP9 | Decode / Encode |
| No | Codec VP8 | Decode / Encode |
| No | Codec AV1 | No |
| No | Codec AVC | Decode / Encode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Core i9-9990XE supports a maximum of 128 GB of memory in 4 memory channels. The Intel Pentium Gold 6405U can connect up to 64 GB of memory in 2 memory channels. |
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| Intel Core i9-9990XE | Characteristic | Intel Pentium Gold 6405U |
| DDR4-2666 | Memory | LPDDR3-2133, DDR4-2400 |
| 128 GB | Max. Memory | 64 GB |
| 4 (Quad Channel) | Memory channels | 2 (Dual Channel) |
| 85.4 GB/s | Max. Bandwidth | 38.4 GB/s |
| No | ECC | No |
| -- | L2 Cache | -- |
| 19.25 MB | L3 Cache | 2.00 MB |
| 3.0 | PCIe version | 2.0 |
| 44 | PCIe lanes | 12 |
| 43.3 GB/s | PCIe Bandwidth | 6.0 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i9-9990XE has a TDP of 255 W, that of the Intel Pentium Gold 6405U is 15 W. |
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| Intel Core i9-9990XE | Characteristic | Intel Pentium Gold 6405U |
| 255 W | TDP (PL1 / PBP) | 15 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | 12.5 W |
| 84 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Core i9-9990XE has a 19.25 MB cache, while the Intel Pentium Gold 6405U cache has a total of 2.00 MB. |
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| Intel Core i9-9990XE | Characteristic | Intel Pentium Gold 6405U |
| 14 nm | Technology | 14 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | SSE4.1, SSE4.2 |
| LGA 2066 | Socket | BGA 1528 |
| 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, Windows 11, Linux |
| Q2/2019 | Release date | Q4/2019 |
| 2999 $ | Release price | 193 $ |
| show more data | show more data | |
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14C 28T @ 4.00 GHz (5.10 GHz) buy now on Amazon and save!
2C 4T @ 2.40 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 Core i9-9990XE
14C 28T @ 5.10 GHz |
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Intel Pentium Gold 6405U
2C 4T @ 2.40 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 i9-9990XE
14C 28T @ 4.00 GHz |
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Intel Pentium Gold 6405U
2C 4T @ 2.40 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 i9-9990XE
14C 28T @ 4.00 GHz |
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Intel Pentium Gold 6405U
2C 4T @ 2.40 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 i9-9990XE
@ 0.00 GHz |
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Intel Pentium Gold 6405U
Intel UHD Graphics 610 @ 0.95 GHz |
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Devices using this processor |
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| Intel Core i9-9990XE | Intel Pentium Gold 6405U |
| Unknown | Lenovo Ideapad 3 17IML05 |
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