Intel Core i9-9900K | Intel Core Ultra 7 155H | |
CPU comparisonIntel Core i9-9900K or Intel Core Ultra 7 155H - 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 i9-9900K has 8 cores with 16 threads and clocks with a maximum frequency of 5.00 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i9-9900K was released in Q4/2018. The Intel Core Ultra 7 155H has 16 cores with 22 threads and clocks with a maximum frequency of 4.80 GHz. The CPU supports up to 96 GB of memory in 2 memory channels. The Intel Core Ultra 7 155H was released in Q4/2023. |
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Intel Core i9 (78) | Family | Intel Core Ultra 7 (10) |
Intel Core i 9000 (34) | CPU group | Intel Core Ultra 100H (5) |
9 | Generation | 1 |
Coffee Lake S Refresh | Architecture | Meteor Lake H |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
Intel Core i9-10900K | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i9-9900K has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Core i9-9900K is 3.60 GHz (5.00 GHz) while the Intel Core Ultra 7 155H has 16 CPU cores and 22 threads can calculate simultaneously. The clock frequency of the Intel Core Ultra 7 155H is at 1.40 GHz (4.80 GHz). |
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Intel Core i9-9900K | Characteristic | Intel Core Ultra 7 155H |
8 | Cores | 16 |
16 | Threads | 22 |
normal | Core architecture | hybrid (big.LITTLE) |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | No |
3.60 GHz (5.00 GHz) | A-Core | 1.40 GHz (4.80 GHz) 6x Redwood Cove |
-- | B-Core | 0.90 GHz (3.80 GHz) 8x Crestmont |
-- | C-Core | 0.70 GHz (2.50 GHz) 2x Crestmont |
NPU AI performanceThe performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. |
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Intel Core i9-9900K | Characteristic | Intel Core Ultra 7 155H |
-- | AI hardware | Intel® AI Boost |
-- | AI specifications | Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The Intel Core i9-9900K or Intel Core Ultra 7 155H has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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Intel UHD Graphics 630 | GPU | Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) |
0.35 GHz | GPU frequency | 0.60 GHz |
1.20 GHz | GPU (Turbo) | 2.25 GHz |
9.5 | GPU Generation | -- |
14 nm | Technology | 5 nm |
3 | Max. displays | 4 |
24 | Compute units | 128 |
192 | Shader | 1024 |
No | Hardware Raytracing | Yes |
No | Frame Generation | No |
64 GB | Max. GPU Memory | 32 GB |
12 | DirectX Version | 12.2 |
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 630 | GPU | Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) |
Decode / Encode | Codec h265 / HEVC (8 bit) | Decode / Encode |
Decode / Encode | Codec h265 / HEVC (10 bit) | Decode / Encode |
Decode / Encode | Codec h264 | Decode / Encode |
Decode / Encode | Codec VP9 | Decode |
Decode / Encode | Codec VP8 | Decode |
No | Codec AV1 | Decode / Encode |
Decode / Encode | Codec AVC | Decode / Encode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Core i9-9900K can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 42.7 GB/s. The Intel Core Ultra 7 155H supports up to 96 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 120.0 GB/s. |
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Intel Core i9-9900K | Characteristic | Intel Core Ultra 7 155H |
DDR4-2666 | Memory | LPDDR5X-7500, DDR5-5600 |
128 GB | Max. Memory | 96 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
42.7 GB/s | Max. Bandwidth | 120.0 GB/s |
No | ECC | No |
-- | L2 Cache | 18.00 MB |
16.00 MB | L3 Cache | 24.00 MB |
3.0 | PCIe version | 5.0 |
16 | PCIe lanes | 20 |
15.8 GB/s | PCIe Bandwidth | 78.8 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i9-9900K is 95 W, while the Intel Core Ultra 7 155H has a TDP of 28 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Intel Core i9-9900K | Characteristic | Intel Core Ultra 7 155H |
95 W | TDP (PL1 / PBP) | 28 W |
119 W @ 28 s | TDP (PL2) | 115 W |
-- | TDP up | 65 W |
-- | TDP down | 20 W |
100 °C | Tjunction max. | 110 °C |
Technical detailsThe Intel Core i9-9900K is manufactured in 14 nm and has 16.00 MB cache. The Intel Core Ultra 7 155H is manufactured in 7 nm and has a 42.00 MB cache. |
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Intel Core i9-9900K | Characteristic | Intel Core Ultra 7 155H |
14 nm | Technology | 7 nm |
Monolithic | Chip design | Chiplet |
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 2049 |
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 11, Linux |
Q4/2018 | Release date | Q4/2023 |
650 $ | Release price | -- |
show more data | show more data | |
Intel Core i9-9900K
8C 16T @ 5.00 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz |
Intel Core i9-9900K
8C 16T @ 4.70 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz |
Intel Core i9-9900K
8C 16T @ 5.00 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz |
Intel Core i9-9900K
8C 16T @ 4.70 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz |
Intel Core i9-9900K
8C 16T @ 5.00 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz |
Intel Core i9-9900K
8C 16T @ 4.70 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz |
Intel Core i9-9900K
Intel UHD Graphics 630 @ 1.20 GHz |
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Intel Core Ultra 7 155H
Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) @ 2.25 GHz |
Intel Core i9-9900K
8C 16T @ 4.70 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz |
Intel Core i9-9900K
8C 16T @ 5.00 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz |
Intel Core i9-9900K
8C 16T @ 5.00 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz |
Intel Core i9-9900K
8C 16T @ 5.00 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz |
Intel Core i9-9900K
8C 16T @ 4.70 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz |
Intel Core i9-9900K
8C 16T @ 4.70 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz |
Intel Core i9-9900K
8C 16T @ 4.70 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz |
Intel Core i9-9900K
8C 16T @ 5.00 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz |
Intel Core i9-9900K
8C 16T @ 3.60 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 1.40 GHz |
Intel Core i9-9900K
8C 16T @ 5.00 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz |
Intel Core i9-9900K
8C 16T @ 4.70 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz |
Intel Core i9-9900K
3.60 GHz |
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Intel Core Ultra 7 155H
16,825 CB R23 MC @ 75 W |
Devices using this processor |
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Intel Core i9-9900K | Intel Core Ultra 7 155H |
Memory PC Intel i9-9900K Multimedia Office PC Intel Core i9 9900K Corsair ONE i160 Kompakter Gaming-PC Intel Core i9-9900K |
ASUS Zenbook Duo (2024) UX8406 |