Athlon II X4 651K vs Phenom II X6 1065T
Primary details
Comparing Phenom II X6 1065T and Athlon II X4 651K processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1857 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 1.61 | no data |
| Architecture codename | Thuban (2010) | Llano (2011−2012) |
| Release date | 7 December 2010 (13 years ago) | 14 November 2011 (13 years ago) |
Detailed specifications
Phenom II X6 1065T and Athlon II X4 651K 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 | 6 (Hexa-Core) | 4 (Quad-Core) |
| Threads | 6 | 4 |
| Base clock speed | 2.9 GHz | 3 GHz |
| Boost clock speed | 3.4 GHz | 3 GHz |
| L1 cache | 128 KB (per core) | 128 KB (per core) |
| L2 cache | 512 KB (per core) | 1 MB (per core) |
| L3 cache | 6 MB (shared) | 0 KB |
| Chip lithography | 45 nm | 32 nm |
| Die size | 346 mm2 | 228 mm2 |
| Number of transistors | 904 million | 1,178 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X6 1065T and Athlon II X4 651K 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 | AM3 | FM1 |
| Power consumption (TDP) | 125 Watt | 100 Watt |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X6 1065T and Athlon II X4 651K are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X6 1065T and Athlon II X4 651K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
Peripherals
Specifications and connection of peripherals supported by Phenom II X6 1065T and Athlon II X4 651K.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Recency | 7 December 2010 | 14 November 2011 |
| Physical cores | 6 | 4 |
| Threads | 6 | 4 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 125 Watt | 100 Watt |
Phenom II X6 1065T has 50% more physical cores and 50% more threads.
Athlon II X4 651K, on the other hand, has an age advantage of 11 months, a 40.6% more advanced lithography process, and 25% lower power consumption.
We couldn't decide between Phenom II X6 1065T and Athlon II X4 651K. We've got no test results to judge.
Should you still have questions on choice between Phenom II X6 1065T and Athlon II X4 651K, ask them in Comments section, and we shall answer.
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