| Name: | AMD Athlon II X4 645 | 
| Family: | AMD Athlon II | 
| Group: | AMD Athlon II X4 (Propus) | 
| Segment: | Desktop / Server | 
| Generation: | 1 | 
 
                    | Name: | AMD Athlon II X4 645 | 
| Family: | AMD Athlon II | 
| Group: | AMD Athlon II X4 (Propus) | 
| Segment: | Desktop / Server | 
| Generation: | 1 | 
| CPU Cores: | 4 | 
| Threads: | 4 | 
| Cores: | 4x | 
| Core architecture: | normal | 
| Hyperthreading: | No | 
| Overclocking: | No | 
| Frequency: | 3.1 GHz | 
| Memory type: | DDR3-1333 | 
| Max. Memory: | 16.0 GB | 
| Memory channels: | 2 | 
| Bandwidth: | -- | 
| ECC: | No | 
| PCIe: | pci | 
| AES-NI: | No | 
| TDP (PL1 / PBP): | 95 W | 
| TDP (PL2): | None | 
| TDP up: | None | 
| TDP down: | None | 
| Tjunction max: | -- | 
| Technology: | 45 nm | 
| Chip design: | -- | 
| Socket: | AM3 | 
| L2-Cache: | 2.0 MB | 
| L3-Cache: | 0 bytes | 
| Architecture: | Propus | 
| Operating systems: | Windows 10, Linux | 
| Virtualization: | AMD-V | 
| Instruction set (ISA): | x86-64 (64 bit) | 
| ISA extensions: | SSE3, SSE4a, MMX, 3DNow! | 
| Release date: | Q3/2010 | 
| Release price: | -- | 
| Part Number: | -- | 
| Documents: | Technical data sheet | 
 Estimated results for PassMark CPU Mark
    Estimated results for PassMark CPU Mark
|   | AMD Athlon II X4 641 
                    4C 4T @ 2.8 GHz
                 | 2279 | 
|   | AMD A6-3430MX 
                    4C 4T @ 1.7 GHz
                 | 2277 | 
|   | AMD Athlon II X4 645 
                    4C 4T @ 3.1 GHz
                 | 2274 | 
|   | Intel Core i5-8200Y 
                    2C 4T @ 1.3 GHz
                 | 2272 | 
|   | Intel Core 2 Extreme QX6850 
                    4C 4T @ 3.0 GHz
                 | 2271 | 
 Cinebench R23 (Multi-Core)
    Cinebench R23 (Multi-Core)
|   | Intel Core 2 Quad Q9550 
                    4C 4T @ 2.83 GHz
                 | 1642 | 
|   | Intel Core 2 Quad Q9500 
                    4C 4T @ 2.83 GHz
                 | 1616 | 
|   | AMD Athlon II X4 645 
                    4C 4T @ 3.1 GHz
                 | 1520 | 
|   | AMD Athlon II X4 635 
                    4C 4T @ 2.9 GHz
                 | 1422 | 
|   | Intel Core i3-8130U 
                    2C 4T @ 2.2 GHz
                 | 1391 | 
 Geekbench 5, 64bit (Multi-Core)
    Geekbench 5, 64bit (Multi-Core)
|   | Intel Core i5-8200Y 
                    2C 4T @ 1.3 GHz
                 | 1376 | 
|   | Intel Core i7-3537U 
                    2C 4T @ 2.0 GHz
                 | 1374 | 
|   | AMD Athlon II X4 645 
                    4C 4T @ 3.1 GHz
                 | 1374 | 
|   | Intel Core i7-3537U 
                    2C 4T @ 2.0 GHz
                 | 1374 | 
|   | Intel Core i5-670 
                    2C 4T @ 3.46 GHz
                 | 1368 | 
 Cinebench R20 (Multi-Core)
    Cinebench R20 (Multi-Core)
|   | Intel Core i3-1000NG4 
                    4C 8T @ 1.1 GHz
                 | 612 | 
|   | Intel Core i7-8500Y 
                    2C 4T @ 1.5 GHz
                 | 602 | 
|   | AMD Athlon II X4 645 
                    4C 4T @ 3.1 GHz
                 | 601 | 
|   | AMD A4-3320M 
                    2C 2T @ 2.0 GHz
                 | 597 | 
|   | Intel Core i5-L16G7 
                    5C 5T @ 1.4 GHz
                 | 577 | 
 CPU-Z Benchmark 17 (Multi-Core)
    CPU-Z Benchmark 17 (Multi-Core)
|   | Intel Core2 Duo E6750 
                    2C 2T @ 2.66 GHz
                 | 601 | 
|   | Intel Celeron G1840 
                    2C 2T @ 2.8 GHz
                 | 585 | 
|   | AMD Athlon II X4 645 
                    4C 4T @ 3.1 GHz
                 | 575 | 
|   | Intel Pentium G860 
                    2C 2T @ 3.0 GHz
                 | 574 | 
|   | Intel Core2 Duo E8600 
                    2C 2T @ 3.33 GHz
                 | 563 | 
 Cinebench R23 (Single-Core)
    Cinebench R23 (Single-Core)
|   | Intel Core 2 Quad Q9550 
                    4C 4T @ 2.83 GHz
                 | 435 | 
|   | Intel Core 2 Quad Q9500 
                    4C 4T @ 2.83 GHz
                 | 427 | 
|   | AMD Athlon II X4 645 
                    4C 4T @ 3.1 GHz
                 | 402 | 
|   | AMD Athlon II X4 635 
                    4C 4T @ 2.9 GHz
                 | 376 | 
|   | AMD Athlon II X4 630 
                    4C 4T @ 2.8 GHz
                 | 363 | 
 Geekbench 5, 64bit (Single-Core)
    Geekbench 5, 64bit (Single-Core)
|   | AMD A4-5300B 
                    2C 2T @ 3.4 GHz
                 | 403 | 
|   | AMD Athlon II X2 250 
                    2C 2T @ 3.0 GHz
                 | 399 | 
|   | AMD Athlon II X4 645 
                    4C 4T @ 3.1 GHz
                 | 399 | 
|   | AMD Athlon II X2 250 
                    2C 2T @ 3.0 GHz
                 | 399 | 
|   | Intel Pentium 3558U 
                    2C 2T @ 1.7 GHz
                 | 398 | 
 Cinebench R20 (Single-Core)
    Cinebench R20 (Single-Core)
|   | Intel Core m3-6Y30 
                    2C 4T @ 0.9 GHz
                 | 159 | 
|   | Intel Core m5-6Y57 
                    2C 4T @ 1.1 GHz
                 | 158 | 
|   | AMD Athlon II X4 645 
                    4C 4T @ 3.1 GHz
                 | 157 | 
|   | Intel Core i3-4005U 
                    2C 4T @ 1.7 GHz
                 | 156 | 
|   | Intel Xeon E7-8870 v2 
                    15C 30T @ 2.3 GHz
                 | 151 |