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Geforce GTX 770 vs Radeon RX 470

Intro

The Geforce GTX 770 uses a 28 nm design. nVidia has set the core speed at 1046 MHz. The GDDR5 memory works at a speed of 1753 MHz on this particular card. It features 1536 SPUs as well as 128 TAUs and 32 Rasterization Operator Units.

Compare those specifications to the Radeon RX 470, which uses a 14 nm design. AMD has clocked the core speed at 926 MHz. The GDDR5 RAM is set to run at a frequency of 1650 MHz on this model. It features 2048 SPUs along with 128 TAUs and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 120 Watts
Geforce GTX 770 230 Watts
Difference: 110 Watts (92%)

Memory Bandwidth

In theory, the Geforce GTX 770 should be just a bit faster than the Radeon RX 470 in general. (explain)

Geforce GTX 770 224384 MB/sec
Radeon RX 470 211200 MB/sec
Difference: 13184 (6%)

Texel Rate

The Geforce GTX 770 will be just a bit (more or less 13%) faster with regards to texture filtering than the Radeon RX 470. (explain)

Geforce GTX 770 133888 Mtexels/sec
Radeon RX 470 118528 Mtexels/sec
Difference: 15360 (13%)

Pixel Rate

If running with high levels of AA is important to you, then the Geforce GTX 770 is superior to the Radeon RX 470, but it probably won't make a huge difference. (explain)

Geforce GTX 770 33472 Mpixels/sec
Radeon RX 470 29632 Mpixels/sec
Difference: 3840 (13%)

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 770

Amazon.com

Radeon RX 470

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 770 Radeon RX 470
Manufacturer nVidia AMD
Year May 2013 August 2016
Code Name GK104 Polaris 10
Memory 2048 MB 8192 MB
Core Speed 1046 MHz 926 MHz
Memory Speed 7012 MHz 6600 MHz
Power (Max TDP) 230 watts 120 watts
Bandwidth 224384 MB/sec 211200 MB/sec
Texel Rate 133888 Mtexels/sec 118528 Mtexels/sec
Pixel Rate 33472 Mpixels/sec 29632 Mpixels/sec
Unified Shaders 1536 2048
Texture Mapping Units 128 128
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 14 nm
Transistors 3540 million 5700 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 12.0
OpenGL Version OpenGL 4.3 OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of information (in units of megabytes per second) that can be transported over the external memory interface within a second. It is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the core clock speed. 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, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

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