Athlon II X4 651K: specs and benchmarks
Summary
AMD started Athlon II X4 651K sales 14 November 2011. Based on a Llano architecture, this desktop processor is primarily aimed at home systems. It has 4 cores and 4 threads, and is based on 32 nm manufacturing technology, with a maximum frequency of 3000 MHz and a locked multiplier.
Compatibility-wise, this is AMD Socket FM1 processor with a TDP of 100 Watt. It supports DDR3 memory.
Primary details
Athlon II X4 651K processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in performance ranking | not rated | |
| Place by popularity | not in top-100 | |
| Market segment | Desktop processor | |
| Architecture codename | Llano (2011−2012) | |
| Release date | 14 November 2011 (12 years ago) | |
| Current price | $110 | of 15701 (Xeon Platinum 8276L) |
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 4 (Quad-Core) | |
| Threads | 4 | |
| Base clock speed | 3 GHz | of 4.7 (Ryzen 9 7900X) |
| Boost clock speed | 3 GHz | of 6.2 (Core i9-14900KS) |
| L1 cache | 128 KB (per core) | of 7475.2 (Apple M2 Pro 10-Core) |
| L2 cache | 1 MB (per core) | of 96 (Ryzen Threadripper PRO 7995WX) |
| L3 cache | 0 KB | of 786432 (EPYC 7773X) |
| Chip lithography | 32 nm | of 3 (Apple M3 Max 16-Core) |
| Die size | 228 mm2 | |
| Number of transistors | 1,178 million | of 92000 (Apple M3 Max 16-Core) |
| 64 bit support | + | |
| Windows 11 compatibility | - | |
| Unlocked multiplier | No |
Compatibility
Information on Athlon II X4 651K compatibility with other computer components and devices: 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 | of 8 (Xeon Platinum 8454H) |
| Socket | FM1 | |
| Power consumption (TDP) | 100 Watt | of 400 (Xeon Platinum 9282) |
Virtualization technologies
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
| AMD-V | + |
Memory specs
Types, maximum amount and channel number of RAM supported by Athlon II X4 651K's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR3 |
Benchmark performance
Single-core and multi-core benchmark results of Athlon II X4 651K. Overall benchmark performance is measured in points in 0-100 range, higher is better.
We have no data on Athlon II X4 651K benchmark results.
Send your test results of Athlon II X4 651K.
Recommended GPUs
People consider these graphics cards to be good for Athlon II X4 651K, according to our PC configuration statistics.
These are the fastest graphics cards for Athlon II X4 651K in our user configuration statistics. There is a total of 166 configurations based on Athlon II X4 651K in our database.
