Athlon II X2 240 vs Pentium D 820
Primary details
Comparing Pentium D 820 and Athlon II X2 240 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | 2654 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 3.28 |
| Market segment | Desktop processor | Desktop processor |
| Series | Pentium D | no data |
| Architecture codename | Smithfield (2005) | Regor (2009−2013) |
| Release date | May 2005 (19 years ago) | July 2009 (15 years ago) |
| Launch price (MSRP) | no data | $35 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium D 820 and Athlon II X2 240 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 |
| Boost clock speed | 2.8 GHz | 2.8 GHz |
| Bus support | 800 MHz | no data |
| L1 cache | 28 KB | 256 KB |
| L2 cache | 2 MB | 2 MB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 90 nm | 45 nm |
| Die size | 206 mm2 | 117 mm2 |
| Maximum core temperature | 64 °C | no data |
| Number of transistors | 169 million | 410 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Pentium D 820 and Athlon II X2 240 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 | AM3 |
| Power consumption (TDP) | 95 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 820 and Athlon II X2 240. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium D 820 and Athlon II X2 240. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR3 |
| ECC memory support | - | 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.
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.
Benchmark coverage: 68%
Athlon II X2 240 outperforms Pentium D 820 by 107% in Passmark.
Pros & cons summary
| Chip lithography | 90 nm | 45 nm |
| Power consumption (TDP) | 95 Watt | 65 Watt |
Athlon II X2 240 has a 100% more advanced lithography process, and 46.2% lower power consumption.
We couldn't decide between Pentium D 820 and Athlon II X2 240. We've got no test results to judge.
Should you still have questions on choice between Pentium D 820 and Athlon II X2 240, ask them in Comments section, and we shall answer.
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