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Geforce GTX 680 vs Radeon RX 470


Intro

The Geforce GTX 680 has core clock speeds of 1006 MHz on the GPU, and 1502 MHz on the 2048 MB of GDDR5 RAM. It features 1536 SPUs as well as 128 Texture Address Units and 32 ROPs.

Compare those specs to the Radeon RX 470, which comes with a GPU core clock speed of 926 MHz, and 8192 MB of GDDR5 memory running at 1650 MHz through a 256-bit bus. It also is made up of 2048 Stream Processors, 128 Texture Address Units, and 32 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon RX 470 11810 points
Geforce GTX 680 7646 points
Difference: 4164 (54%)

Ethereum Mining Hash Rate

Radeon RX 470 26 Mh/s
Geforce GTX 680 16 Mh/s
Difference: 10 (63%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 120 Watts
Geforce GTX 680 195 Watts
Difference: 75 Watts (63%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 470 will be 10% quicker than the Geforce GTX 680 in general, due to its higher bandwidth. (explain)

Radeon RX 470 211200 MB/sec
Geforce GTX 680 192256 MB/sec
Difference: 18944 (10%)

Texel Rate

The Geforce GTX 680 should be a little bit (about 9%) better at AF than the Radeon RX 470. (explain)

Geforce GTX 680 128768 Mtexels/sec
Radeon RX 470 118528 Mtexels/sec
Difference: 10240 (9%)

Pixel Rate

The Geforce GTX 680 will be a small bit (about 9%) more effective at anti-aliasing than the Radeon RX 470, and also will be able to handle higher resolutions better. (explain)

Geforce GTX 680 32192 Mpixels/sec
Radeon RX 470 29632 Mpixels/sec
Difference: 2560 (9%)

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

Geforce GTX 680

Radeon RX 470

Specifications

Display Specifications

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Model Geforce GTX 680 Radeon RX 470
Manufacturer nVidia AMD
Year March 2012 August 2016
Code Name GK104 Polaris 10
Memory 2048 MB 8192 MB
Core Speed 1006 MHz 926 MHz
Memory Speed 6008 MHz 6600 MHz
Power (Max TDP) 195 watts 120 watts
Bandwidth 192256 MB/sec 211200 MB/sec
Texel Rate 128768 Mtexels/sec 118528 Mtexels/sec
Pixel Rate 32192 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 4.2 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in megabytes per second) that can be transported over the external memory interface within a second. The number is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Geforce GTX 680

Radeon RX 470

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