Intel Core i5-8265U vs Intel Core Ultra 5 135U
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CPU comparison with benchmarks
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| Intel Core i5-8265U | Intel Core Ultra 5 135U | |
CPU comparisonIntel Core i5-8265U or Intel Core Ultra 5 135U - 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 i5-8265U has 4 cores with 8 threads and clocks with a maximum frequency of 3.90 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Core i5-8265U was released in Q3/2018. The Intel Core Ultra 5 135U has 12 cores with 14 threads and clocks with a maximum frequency of 4.40 GHz. The CPU supports up to 96 GB of memory in 2 memory channels. The Intel Core Ultra 5 135U was released in Q4/2023. |
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| Intel Core i5 (331) | Family | Intel Core Ultra 5 (10) |
| Intel Core i 8000U (WL) (8) | CPU group | Intel Core Ultra 100U (7) |
| 8 | Generation | 1 |
| Whiskey Lake U | Architecture | Meteor Lake U |
| Mobile | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i5-8265U is a 4 core processor with a clock frequency of 1.60 GHz (3.90 GHz). The Intel Core Ultra 5 135U has 12 CPU cores with a clock frequency of 1.60 GHz (4.40 GHz). |
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| Intel Core i5-8265U | Characteristic | Intel Core Ultra 5 135U |
| 4 | Cores | 12 |
| 8 | Threads | 14 |
| normal | Core architecture | hybrid (big.LITTLE) |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 1.60 GHz (3.90 GHz) | A-Core | 1.60 GHz (4.40 GHz) 2x Redwood Cove |
| -- | B-Core | 1.10 GHz (3.60 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 Core i5-8265U | Characteristic | Intel Core Ultra 5 135U |
| -- | AI hardware | Intel AI engine |
| -- | AI specifications | Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) |
Internal GraphicsThe integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs. |
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| Intel UHD Graphics 620 | GPU | Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) |
| 0.30 GHz | GPU frequency | 0.60 GHz |
| 1.10 GHz | GPU (Turbo) | 1.90 GHz |
| 9.5 | GPU Generation | -- |
| 14 nm | Technology | 5 nm |
| 3 | Max. displays | 4 |
| 24 | Compute units | 64 |
| 192 | Shader | 512 |
| No | Hardware Raytracing | Yes |
| No | Frame Generation | No |
| 16 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 620 | GPU | Intel Iris Xe 4 Core Graphics 64 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 i5-8265U supports a maximum of 32 GB of memory in 2 memory channels. The Intel Core Ultra 5 135U can connect up to 96 GB of memory in 2 memory channels. |
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| Intel Core i5-8265U | Characteristic | Intel Core Ultra 5 135U |
| DDR4-2400 | Memory | LPDDR5X-7500, DDR5-5600 |
| 32 GB | Max. Memory | 96 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 38.4 GB/s | Max. Bandwidth | 120.0 GB/s |
| No | ECC | No |
| -- | L2 Cache | 12.00 MB |
| 6.00 MB | L3 Cache | -- |
| 3.0 | PCIe version | 4.0 |
| 16 | PCIe lanes | 20 |
| 15.8 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i5-8265U has a TDP of 15 W, that of the Intel Core Ultra 5 135U is 15 W. |
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| Intel Core i5-8265U | Characteristic | Intel Core Ultra 5 135U |
| 15 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 Core i5-8265U has a 6.00 MB cache, while the Intel Core Ultra 5 135U cache has a total of 12.00 MB. |
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| Intel Core i5-8265U | Characteristic | Intel Core Ultra 5 135U |
| 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 |
| BGA 1356 | 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 |
| Q3/2018 | Release date | Q4/2023 |
| 385 $ | Release price | -- |
| show more data | show more data | |
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4C 8T @ 1.60 GHz (3.90 GHz) buy now on Amazon and save!
12C 14T @ 1.60 GHz (4.40 GHz) buy now on Amazon and save!
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Rate these processors
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 i5-8265U
Intel UHD Graphics 620 @ 1.10 GHz |
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Intel Core Ultra 5 135U
Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) @ 1.90 GHz |
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Cinebench R23 (Single-Core)
Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. 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 i5-8265U
4C 8T @ 3.90 GHz |
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Intel Core Ultra 5 135U
12C 14T @ 4.40 GHz |
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Cinebench R23 (Multi-Core)
Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Core i5-8265U
4C 8T @ 2.30 GHz |
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Intel Core Ultra 5 135U
12C 14T @ 1.60 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 i5-8265U
4C 8T @ 3.90 GHz |
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Intel Core Ultra 5 135U
12C 14T @ 4.40 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 i5-8265U
4C 8T @ 2.30 GHz |
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Intel Core Ultra 5 135U
12C 14T @ 1.60 GHz |
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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 i5-8265U
4C 8T @ 3.90 GHz |
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Intel Core Ultra 5 135U
12C 14T @ 4.40 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 i5-8265U
4C 8T @ 2.30 GHz |
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Intel Core Ultra 5 135U
12C 14T @ 1.60 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 Core i5-8265U
4C 8T @ 2.30 GHz |
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Intel Core Ultra 5 135U
12C 14T @ 1.60 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 i5-8265U
4C 8T @ 2.30 GHz |
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Intel Core Ultra 5 135U
12C 14T @ 1.60 GHz |
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Blender 2.81 (bmw27)
Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
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Intel Core i5-8265U
4C 8T @ 2.30 GHz |
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Intel Core Ultra 5 135U
12C 14T @ 1.60 GHz |
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CPU-Z Benchmark 17 (Single-Core)
The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
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Intel Core i5-8265U
4C 8T @ 2.30 GHz |
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Intel Core Ultra 5 135U
12C 14T @ 1.60 GHz |
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CPU-Z Benchmark 17 (Multi-Core)
The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
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Intel Core i5-8265U
4C 8T @ 1.60 GHz |
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Intel Core Ultra 5 135U
12C 14T @ 1.60 GHz |
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Cinebench R15 (Single-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. 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 i5-8265U
4C 8T @ 3.90 GHz |
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Intel Core Ultra 5 135U
12C 14T @ 4.40 GHz |
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Cinebench R15 (Multi-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Core i5-8265U
4C 8T @ 2.30 GHz |
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Intel Core Ultra 5 135U
12C 14T @ 1.60 GHz |
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Devices using this processor |
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| Intel Core i5-8265U | Intel Core Ultra 5 135U |
| Acer Aspire 3 (A315-54-56KY) - 15.6 Zoll Laptop HP 250 G7 15.6 Zoll Business Laptop - Intel Core i5-8265U Lenovo ThinkPad X390 Yoga - Intel i5-8265U Acer Aspire 5 (A515-54G-59WR) - 15.6 Zoll Laptop |
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