HP LS990AV graphics card AMD FirePro V7900 vs HP LS991AV graphics card AMD FirePro V7900

Comparison of LS990AV, LS991AV

22 specifications	A HP LS990AV graphics card AMD FirePro V7900 Model LS990AV View product	B HP LS991AV graphics card AMD FirePro V7900 Model LS991AV View product
Ports & interfacesidentical
HDMI ports quantityKnown for one	—Unknown — not stated by the source	0
DVI-D ports quantityKnown for one	—Unknown — not stated by the source	0
DVI-I ports quantityKnown for one	—Unknown — not stated by the source	0
VGA (D-Sub) ports quantityKnown for one	—Unknown — not stated by the source	0
System requirements1 differ
Windows operating systems supportedDiffers	Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium	Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Wi

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.