Intel Core i9-9900KF | Intel Core i5-8250U | |
CPU comparisonIn this CPU comparison, we compare the Intel Core i9-9900KF and the Intel Core i5-8250U and use benchmarks to check which processor is faster.
We compare the Intel Core i9-9900KF 8 core processor released in Q1/2019 with the Intel Core i5-8250U which has 4 CPU cores and was introduced in Q3/2017. |
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Intel Core i9 (78) | Family | Intel Core i5 (331) |
Intel Core i 9000 (34) | CPU group | Intel Core i 8000U (KL) (7) |
9 | Generation | 8 |
Coffee Lake S Refresh | Architecture | Kaby Lake U Refresh |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
Intel Core i9-10900KF | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i9-9900KF is a 8 core processor with a clock frequency of 3.60 GHz (5.00 GHz). The processor can compute 16 threads at the same time. The Intel Core i5-8250U clocks with 1.60 GHz (3.40 GHz), has 4 CPU cores and can calculate 8 threads in parallel. |
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Intel Core i9-9900KF | Characteristic | Intel Core i5-8250U |
8 | Cores | 4 |
16 | Threads | 8 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | No |
3.60 GHz | Frequency | 1.60 GHz |
5.00 GHz | Turbo Frequency (1 Core) | 3.40 GHz |
4.70 GHz | Turbo Frequency (All Cores) | 2.30 GHz |
Internal GraphicsGraphics (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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no iGPU | GPU | Intel UHD Graphics 620 |
GPU frequency | 0.30 GHz | |
-- | GPU (Turbo) | 1.10 GHz |
-- | GPU Generation | 9.5 |
Technology | 14 nm | |
Max. displays | 3 | |
-- | Compute units | 24 |
-- | Shader | 192 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 16 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 620 |
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 & PCIeUp to 128 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i9-9900KF, while the Intel Core i5-8250U supports a maximum of 32 GB of memory with a maximum memory bandwidth of 38.4 GB/s enabled. |
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Intel Core i9-9900KF | Characteristic | Intel Core i5-8250U |
DDR4-2666 | Memory | DDR4-2400 |
128 GB | Max. Memory | 32 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
42.7 GB/s | Max. Bandwidth | 38.4 GB/s |
No | ECC | No |
-- | L2 Cache | -- |
16.00 MB | L3 Cache | 6.00 MB |
3.0 | PCIe version | 3.0 |
16 | PCIe lanes | 12 |
15.8 GB/s | PCIe Bandwidth | 11.8 GB/s |
Thermal ManagementThe Intel Core i9-9900KF has a TDP of 95 W. The TDP of the Intel Core i5-8250U is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Core i9-9900KF | Characteristic | Intel Core i5-8250U |
95 W | TDP (PL1 / PBP) | 15 W |
119 W @ 28 s | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
100 °C | Tjunction max. | -- |
Technical detailsThe Intel Core i9-9900KF has 16.00 MB cache and is manufactured in 14 nm. The cache of Intel Core i5-8250U is at 6.00 MB. The processor is manufactured in 14 nm. |
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Intel Core i9-9900KF | Characteristic | Intel Core i5-8250U |
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 | ISA extensions | SSE4.1, SSE4.2, AVX2 |
LGA 1151-2 | Socket | BGA 1356 |
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 |
Q1/2019 | Release date | Q3/2017 |
600 $ | Release price | 385 $ |
show more data | show more data | |
Intel Core i9-9900KF
8C 16T @ 5.00 GHz |
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Intel Core i5-8250U
4C 8T @ 3.40 GHz |
Intel Core i9-9900KF
8C 16T @ 4.70 GHz |
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Intel Core i5-8250U
4C 8T @ 2.30 GHz |
Intel Core i9-9900KF
8C 16T @ 5.00 GHz |
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Intel Core i5-8250U
4C 8T @ 3.40 GHz |
Intel Core i9-9900KF
8C 16T @ 4.70 GHz |
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Intel Core i5-8250U
4C 8T @ 2.30 GHz |
Intel Core i9-9900KF
8C 16T @ 5.00 GHz |
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Intel Core i5-8250U
4C 8T @ 3.40 GHz |
Intel Core i9-9900KF
8C 16T @ 4.70 GHz |
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Intel Core i5-8250U
4C 8T @ 2.30 GHz |
Intel Core i9-9900KF
8C 16T @ 5.00 GHz |
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Intel Core i5-8250U
4C 8T @ 3.40 GHz |
Intel Core i9-9900KF
8C 16T @ 4.70 GHz |
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Intel Core i5-8250U
4C 8T @ 2.30 GHz |
Intel Core i9-9900KF
8C 16T @ 4.70 GHz |
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Intel Core i5-8250U
4C 8T @ 2.30 GHz |
Intel Core i9-9900KF
8C 16T @ 4.70 GHz |
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Intel Core i5-8250U
4C 8T @ 2.30 GHz |
Intel Core i9-9900KF
8C 16T @ 4.70 GHz |
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Intel Core i5-8250U
4C 8T @ 2.30 GHz |
Intel Core i9-9900KF
8C 16T @ 4.70 GHz |
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Intel Core i5-8250U
4C 8T @ 2.30 GHz |
Intel Core i9-9900KF
8C 16T @ 3.60 GHz |
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Intel Core i5-8250U
4C 8T @ 1.60 GHz |
Intel Core i9-9900KF
8C 16T @ 5.00 GHz |
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Intel Core i5-8250U
4C 8T @ 3.40 GHz |
Intel Core i9-9900KF
8C 16T @ 4.70 GHz |
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Intel Core i5-8250U
4C 8T @ 2.30 GHz |
Intel Core i9-9900KF
8C 16T @ 5.00 GHz |
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Intel Core i5-8250U
4C 8T @ 3.40 GHz |
Intel Core i9-9900KF
8C 16T @ 5.00 GHz |
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Intel Core i5-8250U
4C 8T @ 3.40 GHz |
Intel Core i9-9900KF
@ 0.00 GHz |
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Intel Core i5-8250U
Intel UHD Graphics 620 @ 1.10 GHz |
Devices using this processor |
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Intel Core i9-9900KF | Intel Core i5-8250U |
Unknown | Acer Aspire Acer Chromebook Acer Spin Acer Swift Acer TravelMate Asus UX410UA Asus Vivobook 15 Asus ZenBook 13 Asus ZenBook 14 Dell Inspiron 13 Dell Inspiron 14 Dell Inspiron 15 Dell Inspiron 17 Dell XPS 13 Fujitsu Lifebook Fujitsu Lifebook U938 |