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GeForce GTX 460 SE vs Radeon HD 4870 1GB

Intro

The GeForce GTX 460 SE comes with core clock speeds of 650 MHz on the GPU, and 850 MHz on the 1024 MB of GDDR5 RAM. It features 288 SPUs along with 48 Texture Address Units and 32 Rasterization Operator Units.

Compare all of that to the Radeon HD 4870 1GB, which makes use of a 55 nm design. AMD has clocked the core frequency at 750 MHz. The GDDR5 memory works at a speed of 900 MHz on this card. It features 800(160x5) SPUs as well as 40 Texture Address Units and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

As far as performance goes, the Radeon HD 4870 1GB should in theory be a little bit better than the GeForce GTX 460 SE overall. (explain)

Radeon HD 4870 1GB 115200 MB/sec
GeForce GTX 460 SE 108800 MB/sec
Difference: 6400 (6%)

Texel Rate

The GeForce GTX 460 SE will be a bit (approximately 4%) better at AF than the Radeon HD 4870 1GB. (explain)

GeForce GTX 460 SE 31200 Mtexels/sec
Radeon HD 4870 1GB 30000 Mtexels/sec
Difference: 1200 (4%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 460 SE is a better choice, and very much so. (explain)

GeForce GTX 460 SE 20800 Mpixels/sec
Radeon HD 4870 1GB 12000 Mpixels/sec
Difference: 8800 (73%)

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 460 SE

Amazon.com

Check prices at:

Radeon HD 4870 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 460 SE Radeon HD 4870 1GB
Manufacturer nVidia AMD
Year November 2010 Jun 25, 2008
Code Name GF104 RV770 XT
Memory 1024 MB 1024 MB
Core Speed 650 MHz 750 MHz
Memory Speed 3400 MHz 3600 MHz
Power (Max TDP) 150 watts 150 watts
Bandwidth 108800 MB/sec 115200 MB/sec
Texel Rate 31200 Mtexels/sec 30000 Mtexels/sec
Pixel Rate 20800 Mpixels/sec 12000 Mpixels/sec
Unified Shaders 288 800(160x5)
Texture Mapping Units 48 40
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 55 nm
Transistors 1950 million 956 million
Bus PCIe x16 PCIe 2.0 x16
DirectX Version DirectX 11 DirectX 10.1
OpenGL Version OpenGL 4.1 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the largest amount of information (measured in MB per second) that can be transported over the external memory interface in a second. The number is calculated by multiplying the interface width by the speed of its memory. If the card has DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the video card will be at handling 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 chip can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce GTX 460 SE

Amazon.com

Check prices at:

Radeon HD 4870 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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