Pentium 4 2.66 vs Athlon X2 6500 BE
Primary details
Comparing Athlon X2 6500 BE and Pentium 4 2.66 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Architecture codename | Kuma (2008−2009) | Northwood (2002−2004) |
| Release date | September 2008 (16 years ago) | August 2002 (22 years ago) |
Detailed specifications
Athlon X2 6500 BE and Pentium 4 2.66 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) | 1 (Single-Core) |
| Threads | 2 | 1 |
| Boost clock speed | 2.3 GHz | 2.66 GHz |
| L1 cache | 128 KB (per core) | 8 KB |
| L2 cache | 512 KB (per core) | 512 KB |
| L3 cache | 2 MB (shared) | 0 KB |
| Chip lithography | 65 nm | 130 nm |
| Die size | 285 mm2 | 146 mm2 |
| Number of transistors | 450 million | 55 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Athlon X2 6500 BE and Pentium 4 2.66 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 |
| Socket | AM2+ | 478 |
| Power consumption (TDP) | 95 Watt | 110 Watt |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon X2 6500 BE and Pentium 4 2.66 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon X2 6500 BE and Pentium 4 2.66. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR1, DDR2 |
Pros & cons summary
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 65 nm | 130 nm |
| Power consumption (TDP) | 95 Watt | 110 Watt |
Athlon X2 6500 BE has 100% more physical cores and 100% more threads, a 100% more advanced lithography process, and 15.8% lower power consumption.
We couldn't decide between Athlon X2 6500 BE and Pentium 4 2.66. We've got no test results to judge.
Should you still have questions on choice between Athlon X2 6500 BE and Pentium 4 2.66, ask them in Comments section, and we shall answer.
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