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Geforce GTX 760 vs Radeon HD 4870 X2

Intro

The Geforce GTX 760 uses a 28 nm design. nVidia has clocked the core frequency at 980 MHz. The GDDR5 memory runs at a frequency of 1502 MHz on this particular model. It features 1152 SPUs along with 96 TAUs and 32 Rasterization Operator Units.

Compare those specs to the Radeon HD 4870 X2, which uses a 55 nm design. AMD has set the core frequency at 750 MHz. The GDDR5 RAM works at a speed of 900 MHz on this model. 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

Power Consumption (Max TDP)

Geforce GTX 760 170 Watts
Radeon HD 4870 X2 350 Watts
Difference: 180 Watts (106%)

Memory Bandwidth

Performance-wise, the Radeon HD 4870 X2 should in theory be a bit better than the Geforce GTX 760 overall. (explain)

Radeon HD 4870 X2 230400 MB/sec
Geforce GTX 760 192256 MB/sec
Difference: 38144 (20%)

Texel Rate

The Geforce GTX 760 will be quite a bit (more or less 57%) more effective at texture filtering than the Radeon HD 4870 X2. (explain)

Geforce GTX 760 94080 Mtexels/sec
Radeon HD 4870 X2 60000 Mtexels/sec
Difference: 34080 (57%)

Pixel Rate

If running with high levels of AA is important to you, then the Geforce GTX 760 is the winner, by far. (explain)

Geforce GTX 760 31360 Mpixels/sec
Radeon HD 4870 X2 24000 Mpixels/sec
Difference: 7360 (31%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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Geforce GTX 760

Amazon.com

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Radeon HD 4870 X2

Amazon.com

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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 760 Radeon HD 4870 X2
Manufacturer nVidia AMD
Year June 2013 Aug 12, 2008
Code Name GK104 R700
Memory 2048 MB 1024 MB (x2)
Core Speed 980 MHz 750 MHz (x2)
Memory Speed 6008 MHz 3600 MHz (x2)
Power (Max TDP) 170 watts 350 watts
Bandwidth 192256 MB/sec 230400 MB/sec
Texel Rate 94080 Mtexels/sec 60000 Mtexels/sec
Pixel Rate 31360 Mpixels/sec 24000 Mpixels/sec
Unified Shaders 1152 800(160x5) (x2)
Texture Mapping Units 96 40 (x2)
Render Output Units 32 16 (x2)
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit (x2)
Fab Process 28 nm 55 nm
Transistors 3540 million 956 million
Bus PCIe 3.0 x16 PCIe 2.0 x16 (PCIe bridge)
DirectX Version DirectX 11.0 DirectX 10.1
OpenGL Version OpenGL 4.3 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of MB per second) that can be moved past the external memory interface within a second. It's worked out by multiplying the interface width by its memory speed. If the card has DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This is calculated by multiplying the total amount of texture units 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 a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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Geforce GTX 760

Amazon.com

Check prices at:

Radeon HD 4870 X2

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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