Pentium D 940 vs Sempron 2650
Aggregate performance score
Primary details
Comparing Sempron 2650 and Pentium D 940 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3052 | 3050 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 1.32 | 0.25 |
| Architecture codename | Kabini (2013−2014) | Presler (2005−2007) |
| Release date | 9 April 2014 (10 years ago) | 5 January 2006 (18 years ago) |
| Launch price (MSRP) | no data | $423 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Sempron 2650 and Pentium D 940 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 | 2 | 2 |
| Base clock speed | no data | 3.2 GHz |
| Boost clock speed | 1.45 GHz | 3.2 GHz |
| L1 cache | 128 KB | 16 KB (per core) |
| L2 cache | 1024 KB | 2 MB (per die) |
| L3 cache | no data | 0 KB |
| Chip lithography | 28 nm | 65 nm |
| Die size | 107 mm2 | 2x 81 mm2 |
| Maximum core temperature | 90 °C | no data |
| Maximum case temperature (TCase) | 90 °C | 69 °C |
| Number of transistors | no data | 376 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
| VID voltage range | no data | 1.2V-1.3375V |
Compatibility
Information on Sempron 2650 and Pentium D 940 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 | AM1 | LGA775,PLGA775 |
| Power consumption (TDP) | 25 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Sempron 2650 and Pentium D 940. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| FMA | FMA4 | - |
| AVX | + | - |
| PowerNow | + | - |
| PowerGating | + | - |
| VirusProtect | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Demand Based Switching | no data | - |
| PAE | no data | 32 Bit |
| FSB parity | no data | - |
Security technologies
Sempron 2650 and Pentium D 940 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Sempron 2650 and Pentium D 940 are enumerated here.
| AMD-V | + | - |
| VT-d | no data | - |
| VT-x | no data | + |
| IOMMU 2.0 | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Sempron 2650 and Pentium D 940. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1333 | DDR1, DDR2, DDR3 |
| Max memory channels | 1 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon R3 Graphics | On certain motherboards (Chipset feature) |
| Number of pipelines | 128 | no data |
| Enduro | + | - |
| Switchable graphics | + | - |
| UVD | + | - |
| VCE | + | - |
Graphics interfaces
Available interfaces and connections of Sempron 2650 and Pentium D 940 integrated GPUs.
| DisplayPort | + | - |
| HDMI | + | - |
Graphics API support
APIs supported by Sempron 2650 and Pentium D 940 integrated GPUs, sometimes API versions are included.
| DirectX | DirectX® 12 | no data |
| Vulkan | + | - |
Peripherals
Specifications and connection of peripherals supported by Sempron 2650 and Pentium D 940.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 4 | 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
| Recency | 9 April 2014 | 5 January 2006 |
| Chip lithography | 28 nm | 65 nm |
| Power consumption (TDP) | 25 Watt | 130 Watt |
Sempron 2650 has an age advantage of 8 years, a 132.1% more advanced lithography process, and 420% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Sempron 2650 and Pentium D 940.
Should you still have questions on choice between Sempron 2650 and Pentium D 940, ask them in Comments section, and we shall answer.
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