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Geforce GTX 770 vs Radeon R9 380X

Intro

The Geforce GTX 770 has a GPU clock speed of 1046 MHz, and the 2048 MB of GDDR5 memory runs at 1753 MHz through a 256-bit bus. It also is made up of 1536 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.

Compare those specifications to the Radeon R9 380X, which has GPU clock speed of 970 MHz, and 4096 MB of GDDR5 RAM set to run at 1425 MHz through a 256-bit bus. It also features 2048 Stream Processors, 128 Texture Address Units, and 32 Raster Operation Units.

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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 R9 380X 9519 points
Geforce GTX 770 7854 points
Difference: 1665 (21%)

Ethereum Mining Hash Rate

Radeon R9 380X 19 Mh/s
Geforce GTX 770 14 Mh/s
Difference: 5 (36%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 380X 190 Watts
Geforce GTX 770 230 Watts
Difference: 40 Watts (21%)

Memory Bandwidth

Theoretically speaking, the Geforce GTX 770 is 23% quicker than the Radeon R9 380X overall, due to its higher data rate. (explain)

Geforce GTX 770 224384 MB/sec
Radeon R9 380X 182400 MB/sec
Difference: 41984 (23%)

Texel Rate

The Geforce GTX 770 should be a small bit (about 8%) better at anisotropic filtering than the Radeon R9 380X. (explain)

Geforce GTX 770 133888 Mtexels/sec
Radeon R9 380X 124160 Mtexels/sec
Difference: 9728 (8%)

Pixel Rate

The Geforce GTX 770 should be just a bit (more or less 8%) better at AA than the Radeon R9 380X, and will be able to handle higher resolutions without losing too much performance. (explain)

Geforce GTX 770 33472 Mpixels/sec
Radeon R9 380X 31040 Mpixels/sec
Difference: 2432 (8%)

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

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Radeon R9 380X

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 770 Radeon R9 380X
Manufacturer nVidia AMD
Year May 2013 November 2015
Code Name GK104 Tonga XT
Memory 2048 MB 4096 MB
Core Speed 1046 MHz 970 MHz
Memory Speed 7012 MHz 5700 MHz
Power (Max TDP) 230 watts 190 watts
Bandwidth 224384 MB/sec 182400 MB/sec
Texel Rate 133888 Mtexels/sec 124160 Mtexels/sec
Pixel Rate 33472 Mpixels/sec 31040 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 28 nm
Transistors 3540 million 5000 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: Memory bandwidth is the maximum amount of information (counted in MB per second) that can be transported over the external memory interface in a second. It is calculated by multiplying the interface width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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Geforce GTX 770

Amazon.com

Check prices at:

Radeon R9 380X

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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