i9-11900KB vs Pentium D 840 EE
Primary details
Comparing Pentium D 840 EE and Core i9-11900KB processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 494 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 17.86 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | no data | 21.00 |
| Architecture codename | Smithfield (2005) | Tiger Lake-H (2021) |
| Release date | May 2005 (19 years ago) | May 2021 (3 years ago) |
| Launch price (MSRP) | no data | $539 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium D 840 EE and Core i9-11900KB 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) | 8 (Octa-Core) |
| Threads | 4 | 16 |
| Base clock speed | no data | 3.3 GHz |
| Boost clock speed | 3.2 GHz | 4.9 GHz |
| Bus rate | no data | 8 GT/s |
| L1 cache | 28 KB | 80K (per core) |
| L2 cache | 2 MB | 1.25 MB (per core) |
| L3 cache | 0 KB | 24 MB (shared) |
| Chip lithography | 90 nm | 10 nm SuperFin |
| Die size | 206 mm2 | 190 mm2 |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 169 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Pentium D 840 EE and Core i9-11900KB 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 | 775 | FCBGA1787 |
| Power consumption (TDP) | 130 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 840 EE and Core i9-11900KB. 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) | + | + |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
Security technologies
Pentium D 840 EE and Core i9-11900KB technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| Identity Protection | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium D 840 EE and Core i9-11900KB 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 Pentium D 840 EE and Core i9-11900KB. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR4 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 51.2 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® UHD Graphics for 11th Gen Intel® Processors |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.45 GHz |
| Execution Units | no data | 32 |
Graphics interfaces
Available interfaces and connections of Pentium D 840 EE and Core i9-11900KB integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Pentium D 840 EE and Core i9-11900KB integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096x2304@60Hz |
| Max resolution over eDP | no data | 4096 x 2304@60Hz |
| Max resolution over DisplayPort | no data | 7680x4320@60Hz |
Graphics API support
APIs supported by Pentium D 840 EE and Core i9-11900KB integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Pentium D 840 EE and Core i9-11900KB.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Physical cores | 2 | 8 |
| Threads | 4 | 16 |
| Chip lithography | 90 nm | 10 nm |
| Power consumption (TDP) | 130 Watt | 65 Watt |
i9-11900KB has 300% more physical cores and 300% more threads, a 800% more advanced lithography process, and 100% lower power consumption.
We couldn't decide between Pentium D 840 EE and Core i9-11900KB. We've got no test results to judge.
Should you still have questions on choice between Pentium D 840 EE and Core i9-11900KB, ask them in Comments section, and we shall answer.
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