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GeForce 9500 GT 1GB GDDR3 vs Radeon HD 6870

Intro

The GeForce 9500 GT 1GB GDDR3 comes with a clock speed of 550 MHz and a GDDR3 memory frequency of 800 MHz. It also makes use of a 128-bit bus, and uses a 55 nm design. It is made up of 32 SPUs, 16 TAUs, and 8 ROPs.

Compare those specs to the Radeon HD 6870, which uses a 40 nm design. AMD has clocked the core speed at 900 MHz. The GDDR5 RAM works at a frequency of 1050 MHz on this specific card. It features 1120 SPUs as well as 56 Texture Address Units and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT 1GB GDDR3 50 Watts
Radeon HD 6870 151 Watts
Difference: 101 Watts (202%)

Memory Bandwidth

In theory, the Radeon HD 6870 should be 425% faster than the GeForce 9500 GT 1GB GDDR3 in general, due to its higher bandwidth. (explain)

Radeon HD 6870 134400 MB/sec
GeForce 9500 GT 1GB GDDR3 25600 MB/sec
Difference: 108800 (425%)

Texel Rate

The Radeon HD 6870 should be a lot (about 473%) more effective at texture filtering than the GeForce 9500 GT 1GB GDDR3. (explain)

Radeon HD 6870 50400 Mtexels/sec
GeForce 9500 GT 1GB GDDR3 8800 Mtexels/sec
Difference: 41600 (473%)

Pixel Rate

The Radeon HD 6870 will be much (more or less 555%) faster with regards to AA than the GeForce 9500 GT 1GB GDDR3, and should be able to handle higher resolutions more effectively. (explain)

Radeon HD 6870 28800 Mpixels/sec
GeForce 9500 GT 1GB GDDR3 4400 Mpixels/sec
Difference: 24400 (555%)

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 1GB GDDR3

Amazon.com

Check prices at:

Radeon HD 6870

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.

Specifications

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Model GeForce 9500 GT 1GB GDDR3 Radeon HD 6870
Manufacturer nVidia AMD
Year July 2008 October 2010
Code Name G96b Barts XT
Memory 1024 MB 1024 MB
Core Speed 550 MHz 900 MHz
Memory Speed 1600 MHz 4200 MHz
Power (Max TDP) 50 watts 151 watts
Bandwidth 25600 MB/sec 134400 MB/sec
Texel Rate 8800 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 28800 Mpixels/sec
Unified Shaders 32 1120
Texture Mapping Units 16 56
Render Output Units 8 32
Bus Type GDDR3 GDDR5
Bus Width 128-bit 256-bit
Fab Process 55 nm 40 nm
Transistors 314 million 1700 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: Bandwidth is the maximum amount of information (in units of megabytes per second) that can be moved past the external memory interface within a second. It is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units 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 fill rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce 9500 GT 1GB GDDR3

Amazon.com

Check prices at:

Radeon HD 6870

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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