| Name: | AMD Athlon II X4 651 | 
| Family: | AMD Athlon II | 
| Group: | AMD Athlon II X4 (Llano) | 
| Segment: | Desktop / Server | 
| Generation: | 2 | 
 
                    | Name: | AMD Athlon II X4 651 | 
| Family: | AMD Athlon II | 
| Group: | AMD Athlon II X4 (Llano) | 
| Segment: | Desktop / Server | 
| Generation: | 2 | 
| CPU Cores: | 4 | 
| Threads: | 4 | 
| Cores: | 4x | 
| Core architecture: | normal | 
| Hyperthreading: | No | 
| Overclocking: | No | 
| Frequency: | 3.0 GHz | 
| Memory type: | DDR3-1333 | 
| Max. Memory: | 16.0 GB | 
| Memory channels: | 2 | 
| Bandwidth: | 21.3 GB/s | 
| ECC: | No | 
| PCIe: | pci | 
| AES-NI: | No | 
| TDP (PL1 / PBP): | 100 W | 
| TDP (PL2): | None | 
| TDP up: | None | 
| TDP down: | None | 
| Tjunction max: | -- | 
| Technology: | 32 nm | 
| Chip design: | -- | 
| Socket: | FM1 | 
| L2-Cache: | 4.0 MB | 
| L3-Cache: | 0 bytes | 
| Architecture: | Llano | 
| Operating systems: | Windows 10, Linux | 
| Virtualization: | AMD-V | 
| Instruction set (ISA): | x86-64 (64 bit) | 
| ISA extensions: | SSE3, SSE4a, MMX, 3DNow! | 
| Release date: | Q4/2011 | 
| Release price: | -- | 
| Part Number: | -- | 
| Documents: | Technical data sheet | 
 Estimated results for PassMark CPU Mark
    Estimated results for PassMark CPU Mark
|   | Intel Core m5-6Y57 
                    2C 4T @ 1.1 GHz
                 | 2353 | 
|   | AMD Athlon II X4 651K 
                    4C 4T @ 3.0 GHz
                 | 2349 | 
|   | AMD Athlon II X4 651 
                    4C 4T @ 3.0 GHz
                 | 2340 | 
|   | Intel Pentium G4400T 
                    2C 2T @ 2.9 GHz
                 | 2330 | 
|   | Intel Atom C2550 
                    4C 4T @ 2.4 GHz
                 | 2330 | 
 Geekbench 5, 64bit (Multi-Core)
    Geekbench 5, 64bit (Multi-Core)
|   | Intel Celeron G3950 
                    2C 2T @ 3.0 GHz
                 | 1470 | 
|   | AMD Athlon II X4 651K 
                    4C 4T @ 3.0 GHz
                 | 1467 | 
|   | AMD Athlon II X4 651 
                    4C 4T @ 3.0 GHz
                 | 1467 | 
|   | AMD Athlon II X4 651K 
                    4C 4T @ 3.0 GHz
                 | 1467 | 
|   | Intel Celeron G3920 
                    2C 2T @ 2.9 GHz
                 | 1465 | 
 Geekbench 5, 64bit (Single-Core)
    Geekbench 5, 64bit (Single-Core)
|   | AMD Athlon II X4 651K 
                    4C 4T @ 3.0 GHz
                 | 411 | 
|   | AMD A8-5500B 
                    4C 4T @ 3.2 GHz
                 | 411 | 
|   | AMD Athlon II X4 651 
                    4C 4T @ 3.0 GHz
                 | 411 | 
|   | AMD A8-5500B 
                    4C 4T @ 3.2 GHz
                 | 411 | 
|   | AMD Athlon II X4 651K 
                    4C 4T @ 3.0 GHz
                 | 411 |