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GeForce 9500 GT DDR2 vs GeForce GTX 650 Ti

Intro

The GeForce 9500 GT DDR2 has a clock frequency of 550 MHz and a DDR2 memory frequency of 500 MHz. It also features a 128-bit memory bus, and uses a 65 nm design. It is comprised of 32 SPUs, 16 TAUs, and 8 ROPs.

Compare all that to the GeForce GTX 650 Ti, which has GPU clock speed of 928 MHz, and 1024 MB of GDDR5 memory running at 1350 MHz through a 128-bit bus. It also is made up of 768 Stream Processors, 64 Texture Address Units, and 16 ROPs.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT DDR2 50 Watts
GeForce GTX 650 Ti 110 Watts
Difference: 60 Watts (120%)

Memory Bandwidth

Performance-wise, the GeForce GTX 650 Ti should in theory be much superior to the GeForce 9500 GT DDR2 overall. (explain)

GeForce GTX 650 Ti 86400 MB/sec
GeForce 9500 GT DDR2 16000 MB/sec
Difference: 70400 (440%)

Texel Rate

The GeForce GTX 650 Ti should be quite a bit (more or less 575%) faster with regards to anisotropic filtering than the GeForce 9500 GT DDR2. (explain)

GeForce GTX 650 Ti 59392 Mtexels/sec
GeForce 9500 GT DDR2 8800 Mtexels/sec
Difference: 50592 (575%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 650 Ti is superior to the GeForce 9500 GT DDR2, by far. (explain)

GeForce GTX 650 Ti 14848 Mpixels/sec
GeForce 9500 GT DDR2 4400 Mpixels/sec
Difference: 10448 (237%)

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

GeForce 9500 GT DDR2

Amazon.com

GeForce GTX 650 Ti

Amazon.com

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

Model GeForce 9500 GT DDR2 GeForce GTX 650 Ti
Manufacturer nVidia nVidia
Year July 2008 October 2012
Code Name G96a GK106
Fab Process 65 nm 28 nm
Bus PCIe x16 2.0, PCI PCIe 3.0 x16
Memory 256 MB 1024 MB
Core Speed 550 MHz 928 MHz
Shader Speed 1400 MHz 928 MHz
Memory Speed 500 MHz (1000 MHz effective) 1350 MHz (5400 MHz effective)
Unified Shaders 32 768
Texture Mapping Units 16 64
Render Output Units 8 16
Bus Type DDR2 GDDR5
Bus Width 128-bit 128-bit
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.0 OpenGL 4.3
Power (Max TDP) 50 watts 110 watts
Shader Model 4.0 5.0
Bandwidth 16000 MB/sec 86400 MB/sec
Texel Rate 8800 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 14848 Mpixels/sec

Memory Bandwidth: Bandwidth is the largest amount of data (counted in megabytes per second) that can be transported across the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory speed. In the case of DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, especially 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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