Pentium D 935 vs Pentium D 820
Primary details
Comparing Pentium D 820 and Pentium D 935 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Series | Pentium D | no data |
| Architecture codename | Smithfield (2005) | Presler (2006−2007) |
| Release date | May 2005 (19 years ago) | 1 January 2007 (17 years ago) |
| Current price | $134 | $658 |
Detailed specifications
Pentium D 820 and Pentium D 935 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 | 2.8 GHz | 3.2 GHz |
| Boost clock speed | 2.8 GHz | 3.2 GHz |
| Bus support | 800 MHz | no data |
| L1 cache | 28 KB | 16 KB (per core) |
| L2 cache | 2 MB | 2 MB (per die) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 90 nm | 65 nm |
| Die size | 206 mm2 | 2x 81 mm2 |
| Maximum core temperature | 64 °C | 63 °C |
| Maximum case temperature (TCase) | no data | 63 °C |
| Number of transistors | 169 million | 376 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
| VID voltage range | 1.2V-1.4V | 1.2V-1.3375V |
Compatibility
Information on Pentium D 820 and Pentium D 935 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 | LGA775,PLGA775 |
| Power consumption (TDP) | 95 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 820 and Pentium D 935. You'll probably need this information if you require some particular technology.
| AES-NI | - | - |
| Enhanced SpeedStep (EIST) | - | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | + |
| Thermal Monitoring | - | - |
| Demand Based Switching | - | - |
| PAE | 32 Bit | no data |
| FSB parity | - | - |
| Status | Discontinued | Discontinued |
Security technologies
Pentium D 820 and Pentium D 935 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium D 820 and Pentium D 935 are enumerated here.
| VT-d | - | - |
| VT-x | - | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium D 820 and Pentium D 935. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR1, DDR2, DDR3 |
| ECC memory support | - | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | On certain motherboards (Chipset feature) |
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