Intel Xeon Gold 6342 vs Intel Core Ultra 7 155U
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CPU comparison with benchmarks
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| Intel Xeon Gold 6342 | Intel Core Ultra 7 155U | |
CPU comparisonIntel Xeon Gold 6342 or Intel Core Ultra 7 155U - 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 Xeon Gold 6342 has 24 cores with 48 threads and clocks with a maximum frequency of 3.50 GHz. Up to 6144 GB of memory is supported in 8 memory channels. The Intel Xeon Gold 6342 was released in Q2/2021. The Intel Core Ultra 7 155U has 12 cores with 14 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 155U was released in Q4/2023. |
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| Intel Xeon Gold (163) | Family | Intel Core Ultra 7 (9) |
| Intel Xeon Gold 5300/6300 (21) | CPU group | Intel Core Ultra 100U (7) |
| 3 | Generation | 1 |
| Ice Lake | Architecture | Meteor Lake U |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Xeon Gold 6342 has 24 CPU cores and can calculate 48 threads in parallel. The clock frequency of the Intel Xeon Gold 6342 is 2.80 GHz (3.50 GHz) while the Intel Core Ultra 7 155U has 12 CPU cores and 14 threads can calculate simultaneously. The clock frequency of the Intel Core Ultra 7 155U is at 1.70 GHz (4.80 GHz). |
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| Intel Xeon Gold 6342 | Characteristic | Intel Core Ultra 7 155U |
| 24 | Cores | 12 |
| 48 | Threads | 14 |
| normal | Core architecture | hybrid (big.LITTLE) |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 2.80 GHz (3.50 GHz) | A-Core | 1.70 GHz (4.80 GHz) 2x Redwood Cove |
| -- | B-Core | 1.20 GHz (3.80 GHz) 8x Crestmont |
| -- | C-Core | 0.70 GHz (2.10 GHz) 2x Crestmont |
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 Xeon Gold 6342 | Characteristic | Intel Core Ultra 7 155U |
| -- | AI hardware | Intel AI engine |
| -- | AI specifications | Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) |
Internal GraphicsThe Intel Xeon Gold 6342 or Intel Core Ultra 7 155U 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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| no iGPU | GPU | Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) |
| GPU frequency | 0.60 GHz | |
| -- | GPU (Turbo) | 1.95 GHz |
| -- | GPU Generation | -- |
| Technology | 5 nm | |
| Max. displays | 4 | |
| -- | Compute units | 64 |
| -- | Shader | 512 |
| No | Hardware Raytracing | Yes |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 32 GB |
| -- | 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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| no iGPU | GPU | Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) |
| 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 |
| No | Codec VP8 | Decode |
| No | Codec AV1 | Decode / Encode |
| No | Codec AVC | Decode / Encode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Xeon Gold 6342 can use up to 6144 GB of memory in 8 memory channels. The maximum memory bandwidth is 204.8 GB/s. The Intel Core Ultra 7 155U 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 Xeon Gold 6342 | Characteristic | Intel Core Ultra 7 155U |
| DDR4-3200 | Memory | LPDDR5X-7500, DDR5-5600 |
| 6144 GB | Max. Memory | 96 GB |
| 8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
| 204.8 GB/s | Max. Bandwidth | 120.0 GB/s |
| Yes | ECC | No |
| -- | L2 Cache | 12.00 MB |
| 36.00 MB | L3 Cache | -- |
| 4.0 | PCIe version | 4.0 |
| 64 | PCIe lanes | 20 |
| 126.0 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Xeon Gold 6342 is 230 W, while the Intel Core Ultra 7 155U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Xeon Gold 6342 | Characteristic | Intel Core Ultra 7 155U |
| 230 W | TDP (PL1 / PBP) | 15 W |
| -- | TDP (PL2) | 57 W |
| -- | TDP up | 28 W |
| -- | TDP down | 12 W |
| -- | Tjunction max. | 110 °C |
Technical detailsThe Intel Xeon Gold 6342 is manufactured in 10 nm and has 36.00 MB cache. The Intel Core Ultra 7 155U is manufactured in 7 nm and has a 12.00 MB cache. |
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| Intel Xeon Gold 6342 | Characteristic | Intel Core Ultra 7 155U |
| 10 nm | Technology | 7 nm |
| Monolithic | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | SSE4.1, SSE4.2, AVX2 |
| LGA 4189 | Socket | BGA 2049 |
| VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 11, Linux |
| Q2/2021 | Release date | Q4/2023 |
| 2529 $ | Release price | -- |
| show more data | show more data | |
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24C 48T @ 2.80 GHz (3.50 GHz) buy now on Amazon and save!
12C 14T @ 1.70 GHz (4.80 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 0 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 Xeon Gold 6342
24C 48T @ 3.50 GHz |
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Intel Core Ultra 7 155U
12C 14T @ 4.80 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 Xeon Gold 6342
24C 48T @ 3.50 GHz |
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Intel Core Ultra 7 155U
12C 14T @ 4.80 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 Xeon Gold 6342
24C 48T @ 3.20 GHz |
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Intel Core Ultra 7 155U
12C 14T @ 1.70 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 Xeon Gold 6342
24C 48T @ 3.20 GHz |
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Intel Core Ultra 7 155U
12C 14T @ 1.70 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 Xeon Gold 6342
@ 0.00 GHz |
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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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Blender 3.1 Benchmark
In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
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Intel Xeon Gold 6342
24C 48T @ 3.20 GHz |
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Intel Core Ultra 7 155U
12C 14T @ 1.70 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 Xeon Gold 6342
24C 48T @ 3.20 GHz |
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Intel Core Ultra 7 155U
12C 14T @ 1.70 GHz |
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Devices using this processor |
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| Intel Xeon Gold 6342 | Intel Core Ultra 7 155U |
| Unknown | Unknown |
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