Intel Core i9-11900K | Intel Core i5-6440HQ | |
CPU comparisonIn this CPU comparison, we compare the Intel Core i9-11900K and the Intel Core i5-6440HQ and use benchmarks to check which processor is faster.
We compare the Intel Core i9-11900K 8 core processor released in Q1/2021 with the Intel Core i5-6440HQ which has 4 CPU cores and was introduced in Q3/2015. |
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Intel Core i9 (78) | Family | Intel Core i5 (331) |
Intel Core i 11000 (22) | CPU group | Intel Core i 6000H (15) |
11 | Generation | 6 |
Rocket Lake S | Architecture | Skylake H |
Desktop / Server | Segment | Mobile |
Intel Core i9-10900K | Predecessor | -- |
Intel Core i9-12900K | Successor | Intel Core i5-7440HQ |
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CPU Cores and Base FrequencyThe Intel Core i9-11900K is a 8 core processor with a clock frequency of 3.50 GHz (5.30 GHz). The processor can compute 16 threads at the same time. The Intel Core i5-6440HQ clocks with 2.60 GHz (3.50 GHz), has 4 CPU cores and can calculate 4 threads in parallel. |
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Intel Core i9-11900K | Characteristic | Intel Core i5-6440HQ |
8 | Cores | 4 |
16 | Threads | 4 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
Yes | Overclocking ? | No |
3.50 GHz | Frequency | 2.60 GHz |
5.30 GHz | Turbo Frequency (1 Core) | 3.50 GHz |
4.80 GHz | Turbo Frequency (All Cores) | 3.10 GHz |
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 750 | GPU | Intel HD Graphics 530 |
0.35 GHz | GPU frequency | 0.35 GHz |
1.30 GHz | GPU (Turbo) | 0.95 GHz |
12 | GPU Generation | 9 |
14 nm | Technology | 14 nm |
3 | Max. displays | 3 |
32 | Compute units | 24 |
256 | Shader | 192 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
64 GB | Max. GPU Memory | 32 GB |
12 | 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 UHD Graphics 750 | GPU | Intel HD Graphics 530 |
Decode / Encode | Codec h265 / HEVC (8 bit) | Decode / Encode |
Decode / Encode | Codec h265 / HEVC (10 bit) | Decode |
Decode / Encode | Codec h264 | Decode / Encode |
Decode / Encode | Codec VP9 | Decode |
Decode | Codec VP8 | Decode / Encode |
Decode | Codec AV1 | No |
Decode / Encode | Codec AVC | Decode / Encode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeUp to 128 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i9-11900K, while the Intel Core i5-6440HQ supports a maximum of 64 GB of memory with a maximum memory bandwidth of 34.1 GB/s enabled. |
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Intel Core i9-11900K | Characteristic | Intel Core i5-6440HQ |
DDR4-3200 | Memory | LPDDR3-1866, DDR4-2133 |
128 GB | Max. Memory | 64 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
51.2 GB/s | Max. Bandwidth | 34.1 GB/s |
No | ECC | No |
4.00 MB | L2 Cache | -- |
16.00 MB | L3 Cache | 6.00 MB |
4.0 | PCIe version | 3.0 |
20 | PCIe lanes | 16 |
39.4 GB/s | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe Intel Core i9-11900K has a TDP of 125 W. The TDP of the Intel Core i5-6440HQ is 45 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Core i9-11900K | Characteristic | Intel Core i5-6440HQ |
125 W | TDP (PL1 / PBP) | 45 W |
251 W @ 56 s | TDP (PL2) | -- |
-- | TDP up | -- |
95 W | TDP down | 35 W |
100 °C | Tjunction max. | -- |
Technical detailsThe Intel Core i9-11900K has 20.00 MB cache and is manufactured in 14 nm. The cache of Intel Core i5-6440HQ is at 6.00 MB. The processor is manufactured in 14 nm. |
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Intel Core i9-11900K | Characteristic | Intel Core i5-6440HQ |
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, AVX2 |
LGA 1200 | Socket | BGA 1440 |
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 |
Q1/2021 | Release date | Q3/2015 |
539 $ | Release price | -- |
show more data | show more data | |
Intel Core i9-11900K
8C 16T @ 5.30 GHz |
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Intel Core i5-6440HQ
4C 4T @ 3.50 GHz |
Intel Core i9-11900K
8C 16T @ 4.80 GHz |
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Intel Core i5-6440HQ
4C 4T @ 3.10 GHz |
Intel Core i9-11900K
8C 16T @ 5.30 GHz |
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Intel Core i5-6440HQ
4C 4T @ 3.50 GHz |
Intel Core i9-11900K
8C 16T @ 4.80 GHz |
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Intel Core i5-6440HQ
4C 4T @ 3.10 GHz |
Intel Core i9-11900K
Intel UHD Graphics 750 @ 1.30 GHz |
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Intel Core i5-6440HQ
Intel HD Graphics 530 @ 0.95 GHz |
Intel Core i9-11900K
8C 16T @ 4.80 GHz |
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Intel Core i5-6440HQ
4C 4T @ 3.10 GHz |
Intel Core i9-11900K
8C 16T @ 5.30 GHz |
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Intel Core i5-6440HQ
4C 4T @ 3.50 GHz |
Intel Core i9-11900K
8C 16T @ 4.80 GHz |
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Intel Core i5-6440HQ
4C 4T @ 3.10 GHz |
Intel Core i9-11900K
8C 16T @ 5.30 GHz |
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Intel Core i5-6440HQ
4C 4T @ 3.50 GHz |
Intel Core i9-11900K
8C 16T @ 4.80 GHz |
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Intel Core i5-6440HQ
4C 4T @ 3.10 GHz |
Intel Core i9-11900K
8C 16T @ 5.30 GHz |
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Intel Core i5-6440HQ
4C 4T @ 3.50 GHz |
Intel Core i9-11900K
8C 16T @ 4.80 GHz |
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Intel Core i5-6440HQ
4C 4T @ 3.10 GHz |
Intel Core i9-11900K
8C 16T @ 4.80 GHz |
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Intel Core i5-6440HQ
4C 4T @ 3.10 GHz |
Intel Core i9-11900K
8C 16T @ 5.30 GHz |
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Intel Core i5-6440HQ
4C 4T @ 3.50 GHz |
Intel Core i9-11900K
8C 16T @ 3.50 GHz |
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Intel Core i5-6440HQ
4C 4T @ 2.60 GHz |
Devices using this processor |
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Intel Core i9-11900K | Intel Core i5-6440HQ |
Unknown | Unknown |