Ultra 7 265 vs Ultra 5 135U
Aggregate performance score
Core Ultra 7 265 outperforms Core Ultra 5 135U by a whopping 166% based on our aggregate benchmark results.
Primary details
Comparing Core Ultra 5 135U and Core Ultra 7 265 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 737 | 158 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 67.51 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Meteor Lake-U | no data |
| Power efficiency | 69.39 | 42.56 |
| Architecture codename | Meteor Lake-P (2023) | Arrow Lake-S (2024−2025) |
| Release date | 14 December 2023 (1 year ago) | 7 January 2025 (less than a year ago) |
| Launch price (MSRP) | $332 | $394 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core Ultra 5 135U and Core Ultra 7 265 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 12 (Dodeca-Core) | 20 (Icosa-Core) |
| Performance-cores | 2 | 8 |
| Efficient-cores | 8 | 12 |
| Low Power Efficient-cores | 2 | no data |
| Threads | 14 | 20 |
| Base clock speed | 1.6 GHz | 2.4 GHz |
| Boost clock speed | 4.4 GHz | 5.3 GHz |
| L1 cache | 112 KB (per core) | 112 KB (per core) |
| L2 cache | 2 MB (per core) | 3 MB (per core) |
| L3 cache | 12 MB (shared) | 30 MB (shared) |
| Chip lithography | Intel 4 nm | 3 nm |
| Die size | no data | 243 mm2 |
| Maximum core temperature | 110 °C | no data |
| Number of transistors | no data | 17,800 million |
| 64 bit support | + | + |
Compatibility
Information on Core Ultra 5 135U and Core Ultra 7 265 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 |
| Socket | FCBGA2049 | FCLGA1851 |
| Power consumption (TDP) | 15 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Ultra 5 135U and Core Ultra 7 265. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Idle States | no data | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | + | no data |
| SIPP | + | + |
| Turbo Boost Max 3.0 | - | + |
| Deep Learning Boost | + | + |
| Supported AI Software Frameworks | OpenVINO™, WindowsML, ONNX RT | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN |
Security technologies
Core Ultra 5 135U and Core Ultra 7 265 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | + | + |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core Ultra 5 135U and Core Ultra 7 265 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core Ultra 5 135U and Core Ultra 7 265. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5-6400 |
| Maximum memory size | 96 GB | 192 GB |
| Max memory channels | 2 | 2 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® Graphics | Intel® Graphics |
| Quick Sync Video | + | + |
| Graphics max frequency | 1.9 GHz | 1.95 GHz |
Graphics interfaces
Available interfaces and connections of Core Ultra 5 135U and Core Ultra 7 265 integrated GPUs.
| Number of displays supported | 4 | 4 |
Graphics image quality
Maximum display resolutions supported by Core Ultra 5 135U and Core Ultra 7 265 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL) | 4K @ 60Hz (HDMI 2.1 TMDS) 8K @ 60Hz (HDMI2.1 FRL) |
| Max resolution over eDP | 3840x2400 @ 120Hz | 4K @ 60Hz |
| Max resolution over DisplayPort | 7680 x 4320 @ 60Hz | 8K @ 60Hz |
Graphics API support
APIs supported by Core Ultra 5 135U and Core Ultra 7 265 integrated GPUs, sometimes API versions are included.
| DirectX | 12.2 | 12 |
| OpenGL | 4.6 | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Core Ultra 5 135U and Core Ultra 7 265.
| PCIe version | 4.0 | 5.0 and 4.0 |
| PCI Express lanes | 12 | 20 |
| PCI support | 4.0 | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Performance score | 10.95 | 29.10 |
| Recency | 14 December 2023 | 7 January 2025 |
| Physical cores | 12 | 20 |
| Threads | 14 | 20 |
| Power consumption (TDP) | 15 Watt | 65 Watt |
Ultra 5 135U has 333.3% lower power consumption.
Ultra 7 265, on the other hand, has a 165.8% higher aggregate performance score, an age advantage of 1 year, and 66.7% more physical cores and 42.9% more threads.
The Core Ultra 7 265 is our recommended choice as it beats the Core Ultra 5 135U in performance tests.
Be aware that Core Ultra 5 135U is a notebook processor while Core Ultra 7 265 is a desktop one.
Other comparisons
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