List of AMD Athlon X2 microprocessors Business-class 'B' series Business-class 'B' series

| Model_Number | Stepping | Frequency | L2_Cache | HT | Multi_1 | V_Core | TDP | Socket | Release_Date | Part_Numbers |
|---|---|---|---|---|---|---|---|---|---|---|
| Athlon X2 4450B | G2 | 2300MHz | 2 × 512 kB | 1.0GHz | 11.5× | 1.15 - 1.25 V | 45 W | Socket AM2 | April 28, 2008 | ADH445BIAA5DO |
| Athlon X2 4850B | G2 | 2500MHz | 2 × 512 kB | 1.0GHz | 12.5× | 1.1 - 1.35 V | 45 W | Socket AM2 | August 18, 2008 | ADH485BIAA5DO |
| Athlon X2 5000B | G2 | 2600MHz | 2 × 512 kB | 1.0GHz | 13× | 1.325 - 1.375 V | 65 W | Socket AM2 | April 28, 2008 | ADO500BIAA5DO |
| Athlon X2 5200B | G2 | 2700MHz | 2 × 512 kB | 1.0GHz | 13.5× | 1.325 - 1.375 V | 65 W | Socket AM2 | April 28, 2008 | ADO520BIAA5DO |
| Athlon X2 5400B | G2 | 2800MHz | 2 × 512 kB | 1.0GHz | 14× | 1.3 - 1.35 V | 65 W | Socket AM2 | April 28, 2008 | ADO540BIAA5DO |