i5-2520M vs Pentium D1508
Aggregate performance score
Pentium D1508 outperforms Core i5-2520M by a considerable 44% based on our aggregate benchmark results.
Primary details
Comparing Pentium D1508 and Core i5-2520M processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1917 | 2224 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Series | no data | Intel Core i5 |
| Power efficiency | 7.69 | 3.81 |
| Architecture codename | no data | Sandy Bridge (2011−2013) |
| Release date | 1 October 2015 (9 years ago) | 1 February 2011 (13 years ago) |
| Launch price (MSRP) | no data | $225 |
Detailed specifications
Pentium D1508 and Core i5-2520M 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) | 2 (Dual-core) |
| Threads | 4 | 4 |
| Base clock speed | 2.2 GHz | 2.5 GHz |
| Boost clock speed | 2.6 GHz | 3.2 GHz |
| Bus type | no data | DMI 2.0 |
| Bus rate | no data | 4 × 5 GT/s |
| Multiplier | no data | 25 |
| L1 cache | no data | 64K (per core) |
| L2 cache | no data | 256K (per core) |
| L3 cache | 3 MB | 3 MB (shared) |
| Chip lithography | 14 nm | 32 nm |
| Die size | no data | 149 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | no data | 624 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Pentium D1508 and Core i5-2520M 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 (Uniprocessor) |
| Socket | FCBGA1667 | PPGA988 |
| Power consumption (TDP) | 25 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D1508 and Core i5-2520M. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX2 | Intel® AVX |
| AES-NI | + | + |
| FMA | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| My WiFi | no data | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | - |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | no data | + |
| Demand Based Switching | no data | - |
| GPIO | + | no data |
| FDI | no data | + |
| Fast Memory Access | no data | + |
Security technologies
Pentium D1508 and Core i5-2520M technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | + | no data |
| Identity Protection | + | + |
| OS Guard | + | no data |
| Anti-Theft | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium D1508 and Core i5-2520M are enumerated here.
| AMD-V | - | + |
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium D1508 and Core i5-2520M. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4, DDR3 | DDR3 |
| Maximum memory size | 128 GB | 16 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | no data | 21.335 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD Graphics 3000 |
| Quick Sync Video | - | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.3 GHz |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Pentium D1508 and Core i5-2520M integrated GPUs.
| Number of displays supported | no data | 2 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| SDVO | no data | + |
| CRT | no data | + |
Peripherals
Specifications and connection of peripherals supported by Pentium D1508 and Core i5-2520M.
| PCIe version | 2.0/3.0 | 2.0 |
| PCI Express lanes | 32 | 16 |
| USB revision | 2.0/3.0 | no data |
| Total number of SATA ports | 6 | no data |
| Number of USB ports | 8 | no data |
| Integrated LAN | + | no data |
| UART | + | 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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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 | 2.02 | 1.40 |
| Recency | 1 October 2015 | 1 February 2011 |
| Chip lithography | 14 nm | 32 nm |
| Power consumption (TDP) | 25 Watt | 35 Watt |
Pentium D1508 has a 44.3% higher aggregate performance score, an age advantage of 4 years, a 128.6% more advanced lithography process, and 40% lower power consumption.
The Pentium D1508 is our recommended choice as it beats the Core i5-2520M in performance tests.
Be aware that Pentium D1508 is a server/workstation processor while Core i5-2520M is a notebook one.
Should you still have questions on choice between Pentium D1508 and Core i5-2520M, ask them in Comments section, and we shall answer.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
