Radeon HD 4290 (IGP) is an integrated GPU on the AMD 890GX Chipset.
It's based on the RS880D Core and offers 40 Shader Processing Units, 4 TMUs and 4 ROPs a 32-bit memory interface of either DDR2 (more commonly) or DDR3. The central unit runs, commonly, at up to 700MHz and the memory clock's operating speed depends on the system RAM's speed.
Radeon HD 4290's performance depends on the users system configuration which will define the operating memory clock's speed and on the desktop manufacturer which decides its central unit's speed.
Therefore, Radeon HD 4290, even if paired with DDR3 won't offer similar performance to the dedicated Radeon HD 4350. DirectX 11 games aren't supported.