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GeForce 9800 GTX+ vs GeForce GTX 950

Intro

The GeForce 9800 GTX+ comes with a GPU core speed of 738 MHz, and the 512 MB of GDDR3 memory runs at 1100 MHz through a 256-bit bus. It also is comprised of 128 SPUs, 64 Texture Address Units, and 16 Raster Operation Units.

Compare those specs to the GeForce GTX 950, which comes with a GPU core clock speed of 1024 MHz, and 2048 MB of GDDR5 RAM running at 1652 MHz through a 128-bit bus. It also is made up of 768 Stream Processors, 48 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950 90 Watts
GeForce 9800 GTX+ 145 Watts
Difference: 55 Watts (61%)

Memory Bandwidth

In theory, the GeForce GTX 950 should be 50% faster than the GeForce 9800 GTX+ overall, because of its greater data rate. (explain)

GeForce GTX 950 105728 MB/sec
GeForce 9800 GTX+ 70400 MB/sec
Difference: 35328 (50%)

Texel Rate

The GeForce GTX 950 should be a bit (more or less 4%) faster with regards to anisotropic filtering than the GeForce 9800 GTX+. (explain)

GeForce GTX 950 49152 Mtexels/sec
GeForce 9800 GTX+ 47232 Mtexels/sec
Difference: 1920 (4%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 950 is superior to the GeForce 9800 GTX+, by a large margin. (explain)

GeForce GTX 950 32768 Mpixels/sec
GeForce 9800 GTX+ 11808 Mpixels/sec
Difference: 20960 (178%)

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 9800 GTX+

Amazon.com

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GeForce GTX 950

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 9800 GTX+ GeForce GTX 950
Manufacturer nVidia nVidia
Year July 2008 August 2015
Code Name G92b GM206
Memory 512 MB 2048 MB
Core Speed 738 MHz 1024 MHz
Memory Speed 2200 MHz 6608 MHz
Power (Max TDP) 145 watts 90 watts
Bandwidth 70400 MB/sec 105728 MB/sec
Texel Rate 47232 Mtexels/sec 49152 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 32768 Mpixels/sec
Unified Shaders 128 768
Texture Mapping Units 64 48
Render Output Units 16 32
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 55 nm 28 nm
Transistors 754 million 2940 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12.0
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of data (measured in MB per second) that can be transferred over the external memory interface in one second. The number is worked out by multiplying the bus width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total texture units by the core 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 applied 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 one second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce 9800 GTX+

Amazon.com

Check prices at:

GeForce GTX 950

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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