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Compare any two graphics cards:

GeForce 9500 GT 1GB GDDR3 vs GeForce GT 240 GDDR5


The GeForce 9500 GT 1GB GDDR3 comes with a GPU clock speed of 550 MHz, and the 1024 MB of GDDR3 RAM runs at 800 MHz through a 128-bit bus. It also is comprised of 32 Stream Processors, 16 TAUs, and 8 ROPs.

Compare those specifications to the GeForce GT 240 GDDR5, which has GPU clock speed of 550 MHz, and 512 MB of GDDR5 RAM running at 850 MHz through a 128-bit bus. It also is comprised of 96 Stream Processors, 32 Texture Address Units, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT 1GB GDDR3 50 Watts
GeForce GT 240 GDDR5 70 Watts
Difference: 20 Watts (40%)

Memory Bandwidth

Theoretically speaking, the GeForce GT 240 GDDR5 should perform much faster than the GeForce 9500 GT 1GB GDDR3 in general. (explain)

GeForce GT 240 GDDR5 54400 MB/sec
GeForce 9500 GT 1GB GDDR3 25600 MB/sec
Difference: 28800 (113%)

Texel Rate

The GeForce GT 240 GDDR5 will be a lot (about 100%) faster with regards to anisotropic filtering than the GeForce 9500 GT 1GB GDDR3. (explain)

GeForce GT 240 GDDR5 17600 Mtexels/sec
GeForce 9500 GT 1GB GDDR3 8800 Mtexels/sec
Difference: 8800 (100%)

Pixel Rate

Both cards have exactly the same pixel rate, so in theory they should be equally good at at full screen anti-aliasing, and be capable of handling the same screen resolutions. (explain)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

Display Prices

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GeForce 9500 GT 1GB GDDR3

GeForce GT 240 GDDR5

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.


Display Specifications

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Model GeForce 9500 GT 1GB GDDR3 GeForce GT 240 GDDR5
Manufacturer nVidia nVidia
Year July 2008 Novermber 2009
Code Name G96b GT215
Memory 1024 MB 512 MB
Core Speed 550 MHz 550 MHz
Memory Speed 1600 MHz 3400 MHz
Power (Max TDP) 50 watts 70 watts
Bandwidth 25600 MB/sec 54400 MB/sec
Texel Rate 8800 Mtexels/sec 17600 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 4400 Mpixels/sec
Unified Shaders 32 96
Texture Mapping Units 16 32
Render Output Units 8 8
Bus Type GDDR3 GDDR5
Bus Width 128-bit 128-bit
Fab Process 55 nm 40 nm
Transistors 314 million 289 million
Bus PCIe x16 2.0, PCI PCIe x16
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be transported past the external memory interface in a second. It is worked out by multiplying the bus width by its memory speed. If the card has DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.


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