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GeForce GTX 260 Core 216 vs Radeon HD 6870

Intro

The GeForce GTX 260 Core 216 has a GPU clock speed of 576 MHz, and the 896 MB of GDDR3 RAM is set to run at 999 MHz through a 448-bit bus. It also is comprised of 216 Stream Processors, 72 TAUs, and 28 Raster Operation Units.

Compare all that to the Radeon HD 6870, which features a core clock frequency of 900 MHz and a GDDR5 memory speed of 1050 MHz. It also features a 256-bit memory bus, and makes use of a 40 nm design. It is comprised of 1120 SPUs, 56 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6870 151 Watts
GeForce GTX 260 Core 216 202 Watts
Difference: 51 Watts (34%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6870 should be 20% faster than the GeForce GTX 260 Core 216 in general, because of its greater data rate. (explain)

Radeon HD 6870 134400 MB/sec
GeForce GTX 260 Core 216 111888 MB/sec
Difference: 22512 (20%)

Texel Rate

The Radeon HD 6870 is a lot (approximately 22%) faster with regards to AF than the GeForce GTX 260 Core 216. (explain)

Radeon HD 6870 50400 Mtexels/sec
GeForce GTX 260 Core 216 41472 Mtexels/sec
Difference: 8928 (22%)

Pixel Rate

The Radeon HD 6870 should be much (about 79%) faster with regards to AA than the GeForce GTX 260 Core 216, and also will be able to handle higher resolutions without losing too much performance. (explain)

Radeon HD 6870 28800 Mpixels/sec
GeForce GTX 260 Core 216 16128 Mpixels/sec
Difference: 12672 (79%)

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 GTX 260 Core 216

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 GTX 260 Core 216 Radeon HD 6870
Manufacturer nVidia AMD
Year September 16, 2008 October 2010
Code Name G200 Barts XT
Memory 896 MB 1024 MB
Core Speed 576 MHz 900 MHz
Memory Speed 1998 MHz 4200 MHz
Power (Max TDP) 202 watts 151 watts
Bandwidth 111888 MB/sec 134400 MB/sec
Texel Rate 41472 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 28800 Mpixels/sec
Unified Shaders 216 1120
Texture Mapping Units 72 56
Render Output Units 28 32
Bus Type GDDR3 GDDR5
Bus Width 448-bit 256-bit
Fab Process 65 nm 40 nm
Transistors 1400 million 1700 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the largest amount of information (measured in megabytes per second) that can be transferred over the external memory interface within a second. The number is worked out by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, 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 number of texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 260 Core 216

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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