Pentium 6805 vs Pentium D 820
Aggregate performance score
Pentium 6805 outperforms Pentium D 820 by a whopping 800% based on our aggregate benchmark results.
Primary details
Comparing Pentium D 820 and Pentium 6805 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3099 | 1692 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | Pentium D | no data |
| Power efficiency | 0.31 | 17.51 |
| Architecture codename | Smithfield (2005) | Ice Lake-Y (2020) |
| Release date | May 2005 (19 years ago) | 1 October 2020 (4 years ago) |
| Launch price (MSRP) | no data | $161 |
Detailed specifications
Pentium D 820 and Pentium 6805 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 | 4 |
| Base clock speed | 2.8 GHz | 1.1 GHz |
| Boost clock speed | 2.8 GHz | 3 GHz |
| Bus rate | 800 MHz | no data |
| L1 cache | 28 KB | 80 KB (per core) |
| L2 cache | 2 MB | 256 KB (per core) |
| L3 cache | 0 KB | 4 MB (shared) |
| Chip lithography | 90 nm | 10 nm |
| Die size | 206 mm2 | 123 mm2 |
| Maximum core temperature | 64 °C | 100 °C |
| Number of transistors | 169 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| VID voltage range | 1.2V-1.4V | no data |
Compatibility
Information on Pentium D 820 and Pentium 6805 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 | PLGA775 | FCBGA1526 |
| Power consumption (TDP) | 95 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 820 and Pentium 6805. You'll probably need this information if you require some particular technology.
| 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 820 and Pentium 6805 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium D 820 and Pentium 6805 are enumerated here.
| VT-d | - | + |
| VT-x | - | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium D 820 and Pentium 6805. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR4-3200, LPDDR4-3733 |
| 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 UHD Graphics for 10th Gen Intel Processors |
| Graphics max frequency | no data | 850 MHz |
| Execution Units | no data | 32 |
Graphics interfaces
Available interfaces and connections of Pentium D 820 and Pentium 6805 integrated GPUs.
| Number of displays supported | no data | 3 |
Peripherals
Specifications and connection of peripherals supported by Pentium D 820 and Pentium 6805.
| PCIe version | no data | 3.0 |
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 | 0.31 | 2.79 |
| Threads | 2 | 4 |
| Chip lithography | 90 nm | 10 nm |
| Power consumption (TDP) | 95 Watt | 15 Watt |
Pentium 6805 has a 800% higher aggregate performance score, 100% more threads, a 800% more advanced lithography process, and 533.3% lower power consumption.
The Pentium 6805 is our recommended choice as it beats the Pentium D 820 in performance tests.
Note that Pentium D 820 is a desktop processor while Pentium 6805 is a notebook one.
Should you still have questions on choice between Pentium D 820 and Pentium 6805, ask them in Comments section, and we shall answer.
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