Intel Core Ultra 5 125H | Intel Core Ultra 7 155H | |
CPU comparisonIntel Core Ultra 5 125H 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 Ultra 5 125H has 14 cores with 18 threads and clocks with a maximum frequency of 4.50 GHz. Up to 96 GB of memory is supported in 2 memory channels. The Intel Core Ultra 5 125H was released in Q4/2023. 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 Ultra 5 (20) | Family | Intel Core Ultra 7 (18) |
Intel Core Ultra 100H (5) | CPU group | Intel Core Ultra 100H (5) |
1 | Generation | 1 |
Meteor Lake H | Architecture | Meteor Lake H |
Notebook | Segment | Notebook |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core Ultra 5 125H has 14 CPU cores and can calculate 18 threads in parallel. The clock frequency of the Intel Core Ultra 5 125H is 1.20 GHz (4.50 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 Ultra 5 125H | Characteristic | Intel Core Ultra 7 155H |
14 | Cores | 16 |
18 | Threads | 22 |
hybrid (big.LITTLE) | Core architecture | hybrid (big.LITTLE) |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
1.20 GHz (4.50 GHz) 4x Redwood Cove |
A-Core | 1.40 GHz (4.80 GHz) 6x Redwood Cove |
0.70 GHz (3.60 GHz) 8x Crestmont |
B-Core | 0.90 GHz (3.80 GHz) 8x Crestmont |
0.70 GHz (2.50 GHz) 2x 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 Ultra 5 125H | Characteristic | Intel Core Ultra 7 155H |
Intel® AI Boost | AI hardware | Intel® AI Boost |
Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) | AI specifications | Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The Intel Core Ultra 5 125H 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 Iris Xe 7 Core Graphics 112 EUs (Meteor Lake) | GPU | Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) |
0.60 GHz | GPU frequency | 0.60 GHz |
2.20 GHz | GPU (Turbo) | 2.25 GHz |
-- | GPU Generation | -- |
5 nm | Technology | 5 nm |
4 | Max. displays | 4 |
112 | Compute units | 128 |
896 | Shader | 1024 |
Yes | Hardware Raytracing | Yes |
No | Frame Generation | No |
32 GB | Max. GPU Memory | 32 GB |
12.2 | 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 Iris Xe 7 Core Graphics 112 EUs (Meteor Lake) | 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 | Codec VP9 | Decode |
Decode | Codec VP8 | Decode |
Decode / Encode | 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 Ultra 5 125H can use up to 96 GB of memory in 2 memory channels. The maximum memory bandwidth is 120.0 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 Ultra 5 125H | Characteristic | Intel Core Ultra 7 155H |
LPDDR5X-7500, DDR5-5600 | Memory | LPDDR5X-7500, DDR5-5600 |
96 GB | Max. Memory | 96 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
120.0 GB/s | Max. Bandwidth | 120.0 GB/s |
No | ECC | No |
14.00 MB | L2 Cache | 18.00 MB |
18.00 MB | L3 Cache | 24.00 MB |
5.0 | PCIe version | 5.0 |
20 | PCIe lanes | 20 |
78.8 GB/s | PCIe Bandwidth | 78.8 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core Ultra 5 125H is 28 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 Ultra 5 125H | Characteristic | Intel Core Ultra 7 155H |
28 W | TDP (PL1 / PBP) | 28 W |
115 W | TDP (PL2) | 115 W |
65 W | TDP up | 65 W |
20 W | TDP down | 20 W |
110 °C | Tjunction max. | 110 °C |
Technical detailsThe Intel Core Ultra 5 125H is manufactured in 7 nm and has 32.00 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 Ultra 5 125H | Characteristic | Intel Core Ultra 7 155H |
7 nm | Technology | 7 nm |
Chiplet | 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 |
BGA 2049 | Socket | BGA 2049 |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 11, Linux | Operating systems | Windows 11, Linux |
Q4/2023 | Release date | Q4/2023 |
-- | Release price | -- |
show more data | show more data | |
Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz |
Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz |
Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz |
Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz |
Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz |
Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz |
Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz |
Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz |
Intel Core Ultra 5 125H
Intel Iris Xe 7 Core Graphics 112 EUs (Meteor Lake) @ 2.20 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 Ultra 5 125H
14C 18T @ 4.50 GHz |
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Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz |
Intel Core Ultra 5 125H
14,771 CB R23 MC @ 66 W |
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Intel Core Ultra 7 155H
17,650 CB R23 MC @ 79 W |
Devices using this processor |
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Intel Core Ultra 5 125H | Intel Core Ultra 7 155H |
Unknown | ASUS Zenbook Duo (2024) UX8406 |