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GeForce GTX 260 Core 216 vs Radeon HD 4870 1GB

Intro

The GeForce GTX 260 Core 216 features a core clock frequency of 576 MHz and a GDDR3 memory speed of 999 MHz. It also features a 448-bit memory bus, and makes use of a 65 nm design. It features 216 SPUs, 72 TAUs, and 28 ROPs.

Compare all of that to the Radeon HD 4870 1GB, which makes use of a 55 nm design. AMD has clocked the core speed at 750 MHz. The GDDR5 memory is set to run at a speed of 900 MHz on this particular card. It features 800(160x5) SPUs along with 40 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4870 1GB 150 Watts
GeForce GTX 260 Core 216 202 Watts
Difference: 52 Watts (35%)

Memory Bandwidth

The Radeon HD 4870 1GB should theoretically perform a small bit faster than the GeForce GTX 260 Core 216 in general. (explain)

Radeon HD 4870 1GB 115200 MB/sec
GeForce GTX 260 Core 216 111888 MB/sec
Difference: 3312 (3%)

Texel Rate

The GeForce GTX 260 Core 216 is much (approximately 38%) faster with regards to AF than the Radeon HD 4870 1GB. (explain)

GeForce GTX 260 Core 216 41472 Mtexels/sec
Radeon HD 4870 1GB 30000 Mtexels/sec
Difference: 11472 (38%)

Pixel Rate

The GeForce GTX 260 Core 216 is much (approximately 34%) faster with regards to FSAA than the Radeon HD 4870 1GB, and also will be capable of handling higher screen resolutions more effectively. (explain)

GeForce GTX 260 Core 216 16128 Mpixels/sec
Radeon HD 4870 1GB 12000 Mpixels/sec
Difference: 4128 (34%)

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

Radeon HD 4870 1GB

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

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Model GeForce GTX 260 Core 216 Radeon HD 4870 1GB
Manufacturer nVidia AMD
Year September 16, 2008 Jun 25, 2008
Code Name G200 RV770 XT
Memory 896 MB 1024 MB
Core Speed 576 MHz 750 MHz
Memory Speed 1998 MHz 3600 MHz
Power (Max TDP) 202 watts 150 watts
Bandwidth 111888 MB/sec 115200 MB/sec
Texel Rate 41472 Mtexels/sec 30000 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 12000 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 956 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 information (measured in MB per second) that can be transported across the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core clock speed. 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 quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 260 Core 216

Amazon.com

Radeon HD 4870 1GB

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.

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