Ultra 9 275HX vs Ultra 5 135H
Aggregate performance score
Core Ultra 9 275HX outperforms Core Ultra 5 135H by a whopping 170% based on our aggregate benchmark results.
Primary details
Comparing Core Ultra 5 135H and Core Ultra 9 275HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 526 | 82 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Meteor Lake-H | no data |
| Power efficiency | 47.99 | 65.94 |
| Architecture codename | Meteor Lake-H (2023) | no data |
| Release date | 14 December 2023 (1 year ago) | 1 January 2025 (less than a year ago) |
| Launch price (MSRP) | $342 | no data |
Detailed specifications
Core Ultra 5 135H and Core Ultra 9 275HX 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 | 14 (Tetradeca-Core) | 24 (Tetracosa-Core) |
| Performance-cores | 4 | 8 |
| Efficient-cores | 8 | 16 |
| Low Power Efficient-cores | 2 | no data |
| Threads | 18 | 24 |
| Base clock speed | 3.6 GHz | no data |
| Boost clock speed | 4.6 GHz | 5.4 GHz |
| L1 cache | 112 KB (per core) | no data |
| L2 cache | 2 MB (per core) | no data |
| L3 cache | 18 MB (shared) | 36 MB |
| Chip lithography | Intel 4 nm | no data |
| Maximum core temperature | 110 °C | no data |
| 64 bit support | + | + |
Compatibility
Information on Core Ultra 5 135H and Core Ultra 9 275HX 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 | no data |
| Socket | FCBGA2049 | FCBGA2114 |
| Power consumption (TDP) | 28 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Ultra 5 135H and Core Ultra 9 275HX. 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 | + | no data |
| 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 135H and Core Ultra 9 275HX 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 135H and Core Ultra 9 275HX are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core Ultra 5 135H and Core Ultra 9 275HX. 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 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® Arc™ graphics | Intel® Graphics |
| Quick Sync Video | + | + |
| Graphics max frequency | 2.2 GHz | 1.9 GHz |
Graphics interfaces
Available interfaces and connections of Core Ultra 5 135H and Core Ultra 9 275HX integrated GPUs.
| Number of displays supported | 4 | 4 |
Graphics image quality
Maximum display resolutions supported by Core Ultra 5 135H and Core Ultra 9 275HX 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 | 3840x2400 @ 120Hz |
| Max resolution over DisplayPort | 7680 x 4320 @ 60Hz | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Core Ultra 5 135H and Core Ultra 9 275HX 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 135H and Core Ultra 9 275HX.
| PCIe version | 5.0 | 5.0 and 4.0 |
| PCI Express lanes | 8 | 24 |
| PCI support | 5.0 and 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 | 14.11 | 38.08 |
| Recency | 14 December 2023 | 1 January 2025 |
| Physical cores | 14 | 24 |
| Threads | 18 | 24 |
| Power consumption (TDP) | 28 Watt | 55 Watt |
Ultra 5 135H has 96.4% lower power consumption.
Ultra 9 275HX, on the other hand, has a 169.9% higher aggregate performance score, an age advantage of 1 year, and 71.4% more physical cores and 33.3% more threads.
The Core Ultra 9 275HX is our recommended choice as it beats the Core Ultra 5 135H in performance tests.
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