i7-1255U vs Turion II M520
Aggregate performance score
Core i7-1255U outperforms Turion II M520 by a whopping 1425% based on our aggregate benchmark results.
Primary details
Comparing Turion II M520 and Core i7-1255U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2826 | 884 |
| Place by popularity | not in top-100 | 37 |
| Market segment | Laptop | Laptop |
| Series | AMD Turion II | Intel Alder Lake-M |
| Power efficiency | 1.51 | 53.88 |
| Architecture codename | Caspian (2009) | Alder Lake-U (2022) |
| Release date | 10 September 2009 (15 years ago) | 23 February 2022 (2 years ago) |
Detailed specifications
Turion II M520 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 | no data | 1.7 GHz |
| Boost clock speed | 2.3 GHz | 4.7 GHz |
| Bus rate | 3600 MHz | no data |
| L1 cache | 128 KB | 80K (per core) |
| L2 cache | 1 MB | 1.25 MB (per core) |
| L3 cache | no data | 12 MB (shared) |
| Chip lithography | 45 nm | Intel 7 nm |
| Maximum core temperature | no data | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Turion II M520 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 | no data | 1 |
| Socket | Socket S1 (s1g3) 638-pin | FCBGA1744 |
| Power consumption (TDP) | 35 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Turion II M520 and Core i7-1255U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| PowerNow | + | - |
| 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
Turion II M520 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 Turion II M520 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 Turion II M520 and Core i7-1255U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | 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 | no data | 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 Turion II M520 and Core i7-1255U integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Turion II M520 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 Turion II M520 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 Turion II M520 and Core i7-1255U.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Performance score | 0.56 | 8.54 |
| Recency | 10 September 2009 | 23 February 2022 |
| Physical cores | 2 | 10 |
| Threads | 2 | 12 |
| Power consumption (TDP) | 35 Watt | 15 Watt |
i7-1255U has a 1425% higher aggregate performance score, an age advantage of 12 years, 400% more physical cores and 500% more threads, and 133.3% lower power consumption.
The Core i7-1255U is our recommended choice as it beats the Turion II M520 in performance tests.
Should you still have questions on choice between Turion II M520 and Core i7-1255U, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
