Intel Core Ultra 7 155U | AMD Ryzen 9 5900 | |
CPU comparisonIn this CPU comparison, we compare the Intel Core Ultra 7 155U and the AMD Ryzen 9 5900 and use benchmarks to check which processor is faster.
We compare the Intel Core Ultra 7 155U 12 core processor released in Q4/2023 with the AMD Ryzen 9 5900 which has 12 CPU cores and was introduced in Q2/2021. |
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Intel Core Ultra 7 (9) | Family | AMD Ryzen 9 (35) |
Intel Core Ultra 100U (7) | CPU group | AMD Ryzen 5000 (12) |
1 | Generation | 4 |
Meteor Lake U | Architecture | Vermeer (Zen 3) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | AMD Ryzen 9 3900 |
-- | Successor | AMD Ryzen 9 7900 |
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CPU Cores and Base FrequencyThe Intel Core Ultra 7 155U is a 12 core processor with a clock frequency of 1.70 GHz (4.80 GHz). The processor can compute 14 threads at the same time. The AMD Ryzen 9 5900 clocks with 3.00 GHz (4.70 GHz), has 12 CPU cores and can calculate 24 threads in parallel. |
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Intel Core Ultra 7 155U | Characteristic | AMD Ryzen 9 5900 |
12 | Cores | 12 |
14 | Threads | 24 |
hybrid (big.LITTLE) | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | Yes |
1.70 GHz (4.80 GHz) 2x Redwood Cove |
A-Core | 3.00 GHz (4.70 GHz) |
1.20 GHz (3.80 GHz) 8x Crestmont |
B-Core | -- |
0.70 GHz (2.10 GHz) 2x Crestmont |
C-Core | -- |
Artificial Intelligence and Machine LearningProcessors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor. |
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Intel Core Ultra 7 155U | Characteristic | AMD Ryzen 9 5900 |
Intel AI engine | AI hardware | -- |
Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) | AI specifications | -- |
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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Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) | GPU | no iGPU |
0.60 GHz | GPU frequency | -- |
1.95 GHz | GPU (Turbo) | -- |
-- | GPU Generation | -- |
5 nm | Technology | |
4 | Max. displays | |
64 | Compute units | -- |
512 | Shader | -- |
Yes | Hardware Raytracing | No |
No | Frame Generation | No |
32 GB | Max. GPU Memory | -- |
12.2 | 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 Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) | 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 | Codec VP9 | No |
Decode | Codec VP8 | No |
Decode / Encode | Codec AV1 | No |
Decode / Encode | Codec AVC | No |
Decode | Codec VC-1 | No |
Decode / Encode | Codec JPEG | No |
Memory & PCIeUp to 96 GB of memory in a maximum of 2 memory channels is supported by the Intel Core Ultra 7 155U, while the AMD Ryzen 9 5900 supports a maximum of 128 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled. |
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Intel Core Ultra 7 155U | Characteristic | AMD Ryzen 9 5900 |
LPDDR5X-7500, DDR5-5600 | Memory | DDR4-3200 |
96 GB | Max. Memory | 128 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
120.0 GB/s | Max. Bandwidth | 51.2 GB/s |
No | ECC | Yes |
12.00 MB | L2 Cache | 6.00 MB |
-- | L3 Cache | 64.00 MB |
4.0 | PCIe version | 4.0 |
20 | PCIe lanes | 20 |
39.4 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe Intel Core Ultra 7 155U has a TDP of 15 W. The TDP of the AMD Ryzen 9 5900 is 65 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Core Ultra 7 155U | Characteristic | AMD Ryzen 9 5900 |
15 W | TDP (PL1 / PBP) | 65 W |
57 W | TDP (PL2) | -- |
28 W | TDP up | -- |
12 W | TDP down | -- |
110 °C | Tjunction max. | 95 °C |
Technical detailsThe Intel Core Ultra 7 155U has 12.00 MB cache and is manufactured in 7 nm. The cache of AMD Ryzen 9 5900 is at 70.00 MB. The processor is manufactured in 7 nm. |
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Intel Core Ultra 7 155U | Characteristic | AMD Ryzen 9 5900 |
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 | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
BGA 2049 | Socket | AM4 (PGA 1331) |
VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 11, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q4/2023 | Release date | Q2/2021 |
-- | Release price | -- |
show more data | show more data | |
Intel Core Ultra 7 155U
12C 14T @ 4.80 GHz |
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AMD Ryzen 9 5900
12C 24T @ 4.70 GHz |
Intel Core Ultra 7 155U
12C 14T @ 1.70 GHz |
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AMD Ryzen 9 5900
12C 24T @ 4.10 GHz |
Intel Core Ultra 7 155U
12C 14T @ 4.80 GHz |
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AMD Ryzen 9 5900
12C 24T @ 4.70 GHz |
Intel Core Ultra 7 155U
12C 14T @ 1.70 GHz |
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AMD Ryzen 9 5900
12C 24T @ 4.10 GHz |
Intel Core Ultra 7 155U
12C 14T @ 4.80 GHz |
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AMD Ryzen 9 5900
12C 24T @ 4.70 GHz |
Intel Core Ultra 7 155U
12C 14T @ 1.70 GHz |
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AMD Ryzen 9 5900
12C 24T @ 4.10 GHz |
Intel Core Ultra 7 155U
Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) @ 1.95 GHz |
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AMD Ryzen 9 5900
@ 0.00 GHz |
Intel Core Ultra 7 155U
12C 14T @ 1.70 GHz |
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AMD Ryzen 9 5900
12C 24T @ 4.10 GHz |
Intel Core Ultra 7 155U
12C 14T @ 1.70 GHz |
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AMD Ryzen 9 5900
12C 24T @ 3.00 GHz |
Devices using this processor |
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Intel Core Ultra 7 155U | AMD Ryzen 9 5900 |
Unknown | Unknown |