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GeForce 9500 GT 512MB GDDR3 vs GeForce GT 440 1.5GB

Intro

The GeForce 9500 GT 512MB GDDR3 features a core clock frequency of 550 MHz and a GDDR3 memory frequency of 800 MHz. It also makes use of a 128-bit memory bus, and makes use of a 55 nm design. It is comprised of 32 SPUs, 16 Texture Address Units, and 8 ROPs.

Compare those specifications to the GeForce GT 440 1.5GB, which makes use of a 40 nm design. nVidia has set the core speed at 594 MHz. The GDDR3 memory runs at a speed of 900 MHz on this particular card. It features 144 SPUs as well as 24 TAUs and 24 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT 512MB GDDR3 50 Watts
GeForce GT 440 1.5GB 56 Watts
Difference: 6 Watts (12%)

Memory Bandwidth

The GeForce GT 440 1.5GB should in theory be quite a bit faster than the GeForce 9500 GT 512MB GDDR3 overall. (explain)

GeForce GT 440 1.5GB 43200 MB/sec
GeForce 9500 GT 512MB GDDR3 25600 MB/sec
Difference: 17600 (69%)

Texel Rate

The GeForce GT 440 1.5GB is a lot (more or less 62%) faster with regards to anisotropic filtering than the GeForce 9500 GT 512MB GDDR3. (explain)

GeForce GT 440 1.5GB 14256 Mtexels/sec
GeForce 9500 GT 512MB GDDR3 8800 Mtexels/sec
Difference: 5456 (62%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GT 440 1.5GB is the winner, by a large margin. (explain)

GeForce GT 440 1.5GB 14256 Mpixels/sec
GeForce 9500 GT 512MB GDDR3 4400 Mpixels/sec
Difference: 9856 (224%)

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

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GeForce 9500 GT 512MB GDDR3

Amazon.com

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GeForce GT 440 1.5GB

Amazon.com

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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.

Specifications

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Model GeForce 9500 GT 512MB GDDR3 GeForce GT 440 1.5GB
Manufacturer nVidia nVidia
Year July 2008 October 2010
Code Name G96b GF106
Memory 512 MB 1536 MB
Core Speed 550 MHz 594 MHz
Memory Speed 1600 MHz 1800 MHz
Power (Max TDP) 50 watts 56 watts
Bandwidth 25600 MB/sec 43200 MB/sec
Texel Rate 8800 Mtexels/sec 14256 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 14256 Mpixels/sec
Unified Shaders 32 144
Texture Mapping Units 16 24
Render Output Units 8 24
Bus Type GDDR3 GDDR3
Bus Width 128-bit 192-bit
Fab Process 55 nm 40 nm
Transistors 314 million 1170 million
Bus PCIe x16 2.0, PCI PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the max amount of information (counted in megabytes per second) that can be moved past the external memory interface in a second. It's worked out by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce 9500 GT 512MB GDDR3

Amazon.com

Check prices at:

GeForce GT 440 1.5GB

Amazon.com

Check prices at:

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.

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