Athlon II M320 vs Athlon II X4 651K
Primary details
Comparing Athlon II X4 651K and Athlon II M320 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 | Laptop |
| Series | no data | AMD Athlon II |
| Architecture codename | Llano (2011−2012) | Caspian (2009) |
| Release date | 14 November 2011 (12 years ago) | 10 September 2009 (14 years ago) |
| Current price | $110 | $131 |
Detailed specifications
Athlon II X4 651K and Athlon II M320 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 | 4 (Quad-Core) | 2 (Dual-core) |
| Threads | 4 | 2 |
| Base clock speed | 3 GHz | no data |
| Boost clock speed | 3 GHz | 2.1 GHz |
| Bus support | no data | 3200 MHz |
| L1 cache | 128 KB (per core) | 128 KB |
| L2 cache | 1 MB (per core) | 1 MB |
| L3 cache | 0 KB | no data |
| Chip lithography | 32 nm | 45 nm |
| Die size | 228 mm2 | no data |
| Number of transistors | 1,178 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Athlon II X4 651K and Athlon II M320 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 | no data |
| Socket | FM1 | Socket S1 (S1g3) |
| Power consumption (TDP) | 100 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II X4 651K and Athlon II M320. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization, DDR2 400 MHz Memory Controller |
| PowerNow | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon II X4 651K and Athlon II M320 are enumerated here.
| AMD-V | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon II X4 651K and Athlon II M320. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR2 |
Pros & cons summary
| Recency | 14 November 2011 | 10 September 2009 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 100 Watt | 35 Watt |
We couldn't decide between Athlon II X4 651K and Athlon II M320. We've got no test results to judge.
Note that Athlon II X4 651K is a desktop processor while Athlon II M320 is a notebook one.
Should you still have questions on choice between Athlon II X4 651K and Athlon II M320, ask them in Comments section, and we shall answer.
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