Intel Pentium Gold 6405U | Intel Core 2 Quad Q8400 | |
CPU comparisonIn this CPU comparison, we compare the Intel Pentium Gold 6405U and the Intel Core 2 Quad Q8400 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 Core 2 Quad Q8400 which has 4 CPU cores and was introduced in Q2/2009. |
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Intel Pentium (150) | Family | Intel Core2 Quad (19) |
Intel Pentium 6000 (1) | CPU group | Intel Core 2 Quad Q8000/Q9000 (16) |
10 | Generation | 2 |
Comet Lake U | Architecture | Yorkfield (Penryn) |
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 Core 2 Quad Q8400 clocks with 2.66 GHz, has 4 CPU cores and can calculate 4 threads in parallel. |
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Intel Pentium Gold 6405U | Characteristic | Intel Core 2 Quad Q8400 |
2 | Cores | 4 |
4 | Threads | 4 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
2.40 GHz | Frequency | 2.66 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 Core 2 Quad Q8400 supports a maximum of 16 GB of memory with a maximum memory bandwidth of 17.1 GB/s enabled. |
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Intel Pentium Gold 6405U | Characteristic | Intel Core 2 Quad Q8400 |
LPDDR3-2133, DDR4-2400 | Memory | DDR3-1066, DDR2-800 |
64 GB | Max. Memory | 16 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
38.4 GB/s | Max. Bandwidth | 17.1 GB/s |
No | ECC | No |
-- | L2 Cache | 4.00 MB |
2.00 MB | L3 Cache | -- |
2.0 | PCIe version | -- |
12 | PCIe lanes | -- |
6.0 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe Intel Pentium Gold 6405U has a TDP of 15 W. The TDP of the Intel Core 2 Quad Q8400 is 95 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 Core 2 Quad Q8400 |
15 W | TDP (PL1 / PBP) | 95 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
12.5 W | TDP down | -- |
100 °C | Tjunction max. | -- |
Technical detailsThe Intel Pentium Gold 6405U has 2.00 MB cache and is manufactured in 14 nm. The cache of Intel Core 2 Quad Q8400 is at 4.00 MB. The processor is manufactured in 45 nm. |
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Intel Pentium Gold 6405U | Characteristic | Intel Core 2 Quad Q8400 |
14 nm | Technology | 45 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2 | ISA extensions | MMX, SSE2, SSE3, SSE4.1 |
BGA 1528 | Socket | LGA 775 |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-d |
Yes | AES-NI | No |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
Q4/2019 | Release date | Q2/2009 |
193 $ | Release price | -- |
show more data | show more data | |
Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz |
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Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz |
Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz |
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Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz |
Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz |
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Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz |
Intel Pentium Gold 6405U
Intel UHD Graphics 610 @ 0.95 GHz |
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Intel Core 2 Quad Q8400
@ 0.00 GHz |
Intel Pentium Gold 6405U
2C 4T @ 2.40 GHz |
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Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz |
Devices using this processor |
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Intel Pentium Gold 6405U | Intel Core 2 Quad Q8400 |
Lenovo Ideapad 3 17IML05 | Unknown |