Intel Core Ultra 7 155U vs AMD EPYC 7443P
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CPU comparison with benchmarks
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| Intel Core Ultra 7 155U | AMD EPYC 7443P | |
CPU comparisonIn this CPU comparison, we compare the Intel Core Ultra 7 155U and the AMD EPYC 7443P 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 EPYC 7443P which has 24 CPU cores and was introduced in Q1/2021. |
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| Intel Core Ultra 7 (9) | Family | AMD EPYC (129) |
| Intel Core Ultra 100U (7) | CPU group | AMD EPYC 7003 (29) |
| 1 | Generation | 3 |
| Meteor Lake U | Architecture | Milan (Zen 3) |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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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 EPYC 7443P clocks with 2.85 GHz (4.00 GHz), has 24 CPU cores and can calculate 48 threads in parallel. |
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| Intel Core Ultra 7 155U | Characteristic | AMD EPYC 7443P |
| 12 | Cores | 24 |
| 14 | Threads | 48 |
| hybrid (big.LITTLE) | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 1.70 GHz (4.80 GHz) 2x Redwood Cove |
A-Core | 2.85 GHz (4.00 GHz) 24x Zen 3 |
| 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 EPYC 7443P |
| 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 EPYC 7443P supports a maximum of 4096 GB of memory with a maximum memory bandwidth of 204.8 GB/s enabled. |
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| Intel Core Ultra 7 155U | Characteristic | AMD EPYC 7443P |
| LPDDR5X-7500, DDR5-5600 | Memory | DDR4-3200 |
| 96 GB | Max. Memory | 4096 GB |
| 2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
| 120.0 GB/s | Max. Bandwidth | 204.8 GB/s |
| No | ECC | Yes |
| 12.00 MB | L2 Cache | -- |
| -- | L3 Cache | 128.00 MB |
| 4.0 | PCIe version | 4.0 |
| 20 | PCIe lanes | 128 |
| 39.4 GB/s | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe Intel Core Ultra 7 155U has a TDP of 15 W. The TDP of the AMD EPYC 7443P is 200 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 EPYC 7443P |
| 15 W | TDP (PL1 / PBP) | 200 W |
| 57 W | TDP (PL2) | -- |
| 28 W | TDP up | -- |
| 12 W | TDP down | 165 W |
| 110 °C | Tjunction max. | -- |
Technical detailsThe Intel Core Ultra 7 155U has 12.00 MB cache and is manufactured in 7 nm. The cache of AMD EPYC 7443P is at 128.00 MB. The processor is manufactured in 7 nm. |
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| Intel Core Ultra 7 155U | Characteristic | AMD EPYC 7443P |
| 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 | SP3 |
| VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Windows 11, Linux | Operating systems | Windows 10, Linux |
| Q4/2023 | Release date | Q1/2021 |
| -- | Release price | 1337 $ |
| show more data | show more data | |
12C 14T @ 1.70 GHz (4.80 GHz) buy now on Amazon and save!
24C 48T @ 2.85 GHz (4.00 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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Intel Core Ultra 7 155U
12C 14T @ 4.80 GHz |
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AMD EPYC 7443P
24C 48T @ 4.00 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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Intel Core Ultra 7 155U
12C 14T @ 1.70 GHz |
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AMD EPYC 7443P
24C 48T @ 3.60 GHz |
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Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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Intel Core Ultra 7 155U
12C 14T @ 4.80 GHz |
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AMD EPYC 7443P
24C 48T @ 4.00 GHz |
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Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Core Ultra 7 155U
12C 14T @ 1.70 GHz |
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AMD EPYC 7443P
24C 48T @ 3.60 GHz |
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iGPU - FP32 Performance (Single-precision GFLOPS)
The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
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Intel Core Ultra 7 155U
Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) @ 1.95 GHz |
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AMD EPYC 7443P
@ 0.00 GHz |
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Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
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Intel Core Ultra 7 155U
12C 14T @ 1.70 GHz |
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AMD EPYC 7443P
24C 48T @ 3.60 GHz |
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Devices using this processor |
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| Intel Core Ultra 7 155U | AMD EPYC 7443P |
| Unknown | Unknown |
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