i7-1255U vs Opteron X2 185
Primary details
Comparing Opteron X2 185 and Core i7-1255U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 884 |
| Place by popularity | not in top-100 | 37 |
| Market segment | Server | Laptop |
| Series | no data | Intel Alder Lake-M |
| Power efficiency | no data | 53.88 |
| Architecture codename | Denmark (2005−2006) | Alder Lake-U (2022) |
| Release date | 6 March 2006 (18 years ago) | 23 February 2022 (2 years ago) |
| Launch price (MSRP) | $435 | no data |
Detailed specifications
Opteron X2 185 and Core i7-1255U 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 | 2 (Dual-core) | 10 (Deca-Core) |
| Threads | 2 | 12 |
| Base clock speed | 2.6 GHz | 1.7 GHz |
| Boost clock speed | 2.6 GHz | 4.7 GHz |
| L1 cache | 128 KB | 80K (per core) |
| L2 cache | 1 MB | 1.25 MB (per core) |
| L3 cache | 0 KB | 12 MB (shared) |
| Chip lithography | 90 nm | Intel 7 nm |
| Die size | 199 mm2 | no data |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 233 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Opteron X2 185 and Core i7-1255U 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 | 2 | 1 |
| Socket | 939 | FCBGA1744 |
| Power consumption (TDP) | 110 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Opteron X2 185 and Core i7-1255U. 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 | - | + |
| FMA | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Deep Learning Boost | - | + |
Security technologies
Opteron X2 185 and Core i7-1255U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Opteron X2 185 and Core i7-1255U are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron X2 185 and Core i7-1255U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1 | DDR4, DDR5 |
| Maximum memory size | no data | 64 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® Iris® Xe Graphics eligible |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.25 GHz |
| Execution Units | no data | 96 |
Graphics interfaces
Available interfaces and connections of Opteron X2 185 and Core i7-1255U integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Opteron X2 185 and Core i7-1255U integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2304 @ 60Hz |
| Max resolution over eDP | no data | 4096 x 2304 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Opteron X2 185 and Core i7-1255U integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.1 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Opteron X2 185 and Core i7-1255U.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Recency | 6 March 2006 | 23 February 2022 |
| Physical cores | 2 | 10 |
| Threads | 2 | 12 |
| Power consumption (TDP) | 110 Watt | 15 Watt |
i7-1255U has an age advantage of 15 years, 400% more physical cores and 500% more threads, and 633.3% lower power consumption.
We couldn't decide between Opteron X2 185 and Core i7-1255U. We've got no test results to judge.
Be aware that Opteron X2 185 is a server/workstation processor while Core i7-1255U is a notebook one.
Should you still have questions on choice between Opteron X2 185 and Core i7-1255U, ask them in Comments section, and we shall answer.
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