Ultra 7 255HX vs Pentium M 740
Aggregate performance score
Core Ultra 7 255HX outperforms Pentium M 740 by a whopping 15611% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3529 | 205 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Pentium M | no data |
| Power efficiency | 0.72 | 55.25 |
| Designer | Intel | Intel |
| Manufacturer | Intel | TSMC |
| Architecture codename | Dothan (2004−2005) | Arrow Lake-HX (2025) |
| Release date | 19 January 2005 (20 years ago) | 13 January 2025 (less than a year ago) |
Detailed specifications
Pentium M 740 and Core Ultra 7 255HX 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 | 1 (Single-Core) | 20 (Icosa-Core) |
| Performance-cores | no data | 8 |
| Efficient-cores | no data | 12 |
| Threads | 1 | 20 |
| Base clock speed | 1.73 GHz | 2.4 GHz |
| Boost clock speed | 1.73 GHz | 5.2 GHz |
| Bus rate | 533 MHz | no data |
| L1 cache | 32 KB | 192 KB (per core) |
| L2 cache | 2 MB | 3 MB (per core) |
| L3 cache | 0 KB | 30 MB (shared) |
| Chip lithography | 90 nm | 3 nm |
| Die size | 87 mm2 | 243 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 144 million | 17,800 million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
| VID voltage range | 1.26V-1.356V | no data |
Compatibility
Information on Pentium M 740 and Core Ultra 7 255HX 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 | PPGA478, H-PBGA479 | FCBGA2114 |
| Power consumption (TDP) | 27 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium M 740 and Core Ultra 7 255HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | - | - |
| Idle States | - | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | - | no data |
| PAE | 32 Bit | no data |
| Turbo Boost Max 3.0 | no data | + |
| FSB parity | - | no data |
| Deep Learning Boost | - | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN |
Security technologies
Pentium M 740 and Core Ultra 7 255HX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium M 740 and Core Ultra 7 255HX are enumerated here.
| VT-d | no data | + |
| VT-x | - | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium M 740 and Core Ultra 7 255HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR5-6400 |
| Maximum memory size | no data | 256 GB |
| Max memory channels | no data | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | Intel® Graphics |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.85 GHz |
Graphics interfaces
Available interfaces and connections of Pentium M 740 and Core Ultra 7 255HX integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Pentium M 740 and Core Ultra 7 255HX integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2304 @ 60Hz (HDMI 2.1 TMDS)7680 x 4320 @ 60Hz (HDMI 2.1 FRL) |
| Max resolution over eDP | no data | 3840 x 2400 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Pentium M 740 and Core Ultra 7 255HX integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Pentium M 740 and Core Ultra 7 255HX.
| PCIe version | no data | 5.0 and 4.0 |
| PCI Express lanes | no data | 24 |
Synthetic benchmarks
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.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Pros & cons summary
| Performance score | 0.18 | 28.28 |
| Recency | 19 January 2005 | 13 January 2025 |
| Physical cores | 1 | 20 |
| Threads | 1 | 20 |
| Chip lithography | 90 nm | 3 nm |
| Power consumption (TDP) | 27 Watt | 55 Watt |
Pentium M 740 has 103.7% lower power consumption.
Ultra 7 255HX, on the other hand, has a 15611.1% higher aggregate performance score, an age advantage of 19 years, 1900% more physical cores and 1900% more threads, and a 2900% more advanced lithography process.
The Intel Core Ultra 7 255HX is our recommended choice as it beats the Intel Pentium M 740 in performance tests.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
