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GeForce GTX 260 Core 216 vs Radeon HD 4890 1GB

Intro

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

Compare all that to the Radeon HD 4890 1GB, which uses a 55 nm design. AMD has clocked the core speed at 1000 MHz. The GDDR5 memory runs at a speed of 975 MHz on this specific card. It features 800(160x5) SPUs as well as 40 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4890 1GB 190 Watts
GeForce GTX 260 Core 216 202 Watts
Difference: 12 Watts (6%)

Memory Bandwidth

In theory, the Radeon HD 4890 1GB should be just a bit faster than the GeForce GTX 260 Core 216 overall. (explain)

Radeon HD 4890 1GB 124800 MB/sec
GeForce GTX 260 Core 216 111888 MB/sec
Difference: 12912 (12%)

Texel Rate

The GeForce GTX 260 Core 216 should be just a bit (approximately 4%) more effective at anisotropic filtering than the Radeon HD 4890 1GB. (explain)

GeForce GTX 260 Core 216 41472 Mtexels/sec
Radeon HD 4890 1GB 40000 Mtexels/sec
Difference: 1472 (4%)

Pixel Rate

The GeForce GTX 260 Core 216 will be a bit (about 1%) more effective at full screen anti-aliasing than the Radeon HD 4890 1GB, and will be capable of handling higher screen resolutions without slowing down too much. (explain)

GeForce GTX 260 Core 216 16128 Mpixels/sec
Radeon HD 4890 1GB 16000 Mpixels/sec
Difference: 128 (1%)

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 4890 1GB

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 4890 1GB
Manufacturer nVidia AMD
Year September 16, 2008 Apr 2, 2009
Code Name G200 RV790 XT
Memory 896 MB 1024 MB
Core Speed 576 MHz 1000 MHz
Memory Speed 1998 MHz 3900 MHz
Power (Max TDP) 202 watts 190 watts
Bandwidth 111888 MB/sec 124800 MB/sec
Texel Rate 41472 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 216 800(160x5)
Texture Mapping Units 72 40
Render Output Units 28 16
Bus Type GDDR3 GDDR5
Bus Width 448-bit 256-bit
Fab Process 65 nm 55 nm
Transistors 1400 million 959 million
Bus PCIe x16 2.0 PCIe 2.0 x16
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.1 OpenGL 3.0

Memory Bandwidth: Bandwidth is the largest amount of data (counted in MB per second) that can be moved past the external memory interface in a second. It's calculated by multiplying the card's bus width by its memory speed. If it uses DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. 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 texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total texture units by the core speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 260 Core 216

Amazon.com

Check prices at:

Radeon HD 4890 1GB

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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