Summer 2006 GeForce 7 Graphics Gear

Sorry, No GeForce 7300 Here

One card we left out of the test group is the GeForce 7300, as we do not consider it a gaming graphics card. It only has four pixel pipelines on the GS model and eight on the GT. Clearly, the eight pipeline card is capable of some gaming, but not under the stress of current and future titles. You cannot, for example, play at higher resolutions or enable image quality settings with the eight pipeline card. The four-pipeline card is out of the question, but another limitation is that not all of the GeForce 7300 models have a 128 bit wide memory interface. GS model cards only have a 64 bit wide bus, while only some of the GT cards have a 128 bit interface

Lastly, this card can also come with TurboCache, which might only have 32 MB of physical graphics memory while sectioning off a portion of your system memory for its needs. That is not a performance proposition as graphics data has to run across a slower bus and wait for slower RAM. We feel that these cards are best suited for an entry level gaming system for older titles, a multimedia PC or a home theater PC. One point of concern is that when Vista debuts, TurboCache may or may not work. Currently, it doesn't work with Vista as is the fate of ATI's HyperMemory. SLI and CrossFire do not run either, but both companies plan to have this resolved in future Vista beta releases and expect to have these issues resolved when Vista rolls out in retail.

We will proceed in numerical order and not in the order in which the cards became available on the market. In our previous buyer's guide we had received some cards that were not available in the Untied States, so we focused on models that are available: BFG, EGVA, PNY and XFX submitted their products for review, while the motherboard makers Asus, MSI, Gigabyte and others usually have similar products.

GeForce 7 Series Feature Table

Swipe to scroll horizontally
GeForce Model7950 GX27900 GTX7900 GT7800 GTX 5127800 GTX7800 GT7800 GS AGP7600 GT
Process Tech90nm90nm90nm110nm110nm110nm110nm90nm
Number of Tran-sistors556M278M278M302M302M302M302M178M
Core Clocks (Vertex, Core) in MHz500/500700/650470/450550/550470/430440/400375/375560/560
Memory Clock (MHz / data rate)600/1200800/1600660/1320850/1700600/1200500/1000600/1200700/1400
Vertex Shaders (#)168888765
Pixel Shaders (#)4824242424201612
ROPs (#)32161616161688
Memory Interface256 bit256 bit256 bit256 bit256 bit256 bit256 bit128 bit
Frame Buffer Size1 GB512 MB256 MB512 MB256 MB256 MB256 MB256 MB
Memory Band-width (GB/sec)76.851.242.254.438.43238.422.4
Vertices /Second (Millions)200014009401100940770562.5700
Pixel Fill Rate (# ROPs x clk) in Billions /sec1610.
Texture Fill Rate (# pixel pipes x clk) in Billions /sec2415.610.813.210.32866.72
RAMDACs400 MHz400 MHz400 MHz400 MHz400 MHz400 MHz400 MHz400 MHz
Bus TechPCI ExpressPCI ExpressPCI ExpressPCI ExpressPCI ExpressPCI ExpressAGP 8XPCI Express