i3-9100 vs Pentium D 945
Primary details
Comparing Pentium D 945 and Core i3-9100 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 1380 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 7.52 |
| Market segment | Desktop processor | Desktop processor |
| Series | no data | Intel Core i3 |
| Power efficiency | no data | 6.07 |
| Architecture codename | Presler (2005−2007) | Coffee Lake (2017−2019) |
| Release date | 23 July 2006 (18 years ago) | 1 September 2018 (6 years ago) |
| Launch price (MSRP) | $163 | $122 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium D 945 and Core i3-9100 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) | 4 (Quad-Core) |
| Threads | 2 | 4 |
| Base clock speed | 3.4 GHz | 3.6 GHz |
| Boost clock speed | 3.4 GHz | 4.2 GHz |
| Bus type | no data | DMI 3.0 |
| Bus rate | no data | 4 × 8 GT/s |
| Multiplier | no data | 36 |
| L1 cache | 16 KB (per core) | 64K (per core) |
| L2 cache | 2 MB (per die) | 256K (per core) |
| L3 cache | 0 KB | 6 MB (shared) |
| Chip lithography | 65 nm | 14 nm |
| Die size | 2x 81 mm2 | 126 mm2 |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 63 °C | 72 °C |
| Number of transistors | 376 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| VID voltage range | 1.2V-1.3375V | no data |
Compatibility
Information on Pentium D 945 and Core i3-9100 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 | LGA775,PLGA775 | FCLGA1151 |
| Power consumption (TDP) | 95 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 945 and Core i3-9100. 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 | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | - | - |
| Idle States | + | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | - | no data |
| PAE | 32 Bit | no data |
| FSB parity | - | no data |
Security technologies
Pentium D 945 and Core i3-9100 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
| Secure Key | no data | + |
| MPX | - | + |
| Identity Protection | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium D 945 and Core i3-9100 are enumerated here.
| VT-d | - | + |
| VT-x | - | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium D 945 and Core i3-9100. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR4-2400 |
| Maximum memory size | no data | 64 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 38.397 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | Intel UHD Graphics 630 |
| Max video memory | no data | 64 GB |
| Quick Sync Video | - | + |
| Clear Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.1 GHz |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Pentium D 945 and Core i3-9100 integrated GPUs.
| Number of displays supported | no data | 3 |
Graphics image quality
Maximum display resolutions supported by Pentium D 945 and Core i3-9100 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096 x 2304@24Hz |
| Max resolution over eDP | no data | 4096 x 2304@60Hz |
| Max resolution over DisplayPort | no data | 4096 x 2304@60Hz |
Graphics API support
APIs supported by Pentium D 945 and Core i3-9100 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 D 945 and Core i3-9100.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 16 |
Pros & cons summary
| Recency | 23 July 2006 | 1 September 2018 |
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Chip lithography | 65 nm | 14 nm |
| Power consumption (TDP) | 95 Watt | 65 Watt |
i3-9100 has an age advantage of 12 years, 100% more physical cores and 100% more threads, a 364.3% more advanced lithography process, and 46.2% lower power consumption.
We couldn't decide between Pentium D 945 and Core i3-9100. We've got no test results to judge.
Should you still have questions on choice between Pentium D 945 and Core i3-9100, ask them in Comments section, and we shall answer.
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