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GeForce GTX 750 Ti vs Radeon R9 390X 8G

Intro

The GeForce GTX 750 Ti comes with a GPU core speed of 1020 MHz, and the 2048 MB of GDDR5 memory runs at 1350 MHz through a 128-bit bus. It also is made up of 640 Stream Processors, 40 Texture Address Units, and 16 Raster Operation Units.

Compare that to the Radeon R9 390X 8G, which features clock speeds of 1050 MHz on the GPU, and 1500 MHz on the 8192 MB of GDDR5 RAM. It features 2816 SPUs as well as 176 TAUs and 64 Rasterization Operator 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 390X 8G 13555 points
GeForce GTX 750 Ti 4562 points
Difference: 8993 (197%)

Zcash Mining Hash Rate

Radeon R9 390X 8G 330 Sol/s
GeForce GTX 750 Ti 72 Sol/s
Difference: 258 (358%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750 Ti 60 Watts
Radeon R9 390X 8G 275 Watts
Difference: 215 Watts (358%)

Memory Bandwidth

Performance-wise, the Radeon R9 390X 8G should in theory be much better than the GeForce GTX 750 Ti overall. (explain)

Radeon R9 390X 8G 384000 MB/sec
GeForce GTX 750 Ti 86400 MB/sec
Difference: 297600 (344%)

Texel Rate

The Radeon R9 390X 8G is a lot (more or less 353%) more effective at AF than the GeForce GTX 750 Ti. (explain)

Radeon R9 390X 8G 184800 Mtexels/sec
GeForce GTX 750 Ti 40800 Mtexels/sec
Difference: 144000 (353%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon R9 390X 8G is a better choice, by a large margin. (explain)

Radeon R9 390X 8G 67200 Mpixels/sec
GeForce GTX 750 Ti 16320 Mpixels/sec
Difference: 50880 (312%)

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 750 Ti

Amazon.com

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Radeon R9 390X 8G

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 750 Ti Radeon R9 390X 8G
Manufacturer nVidia AMD
Year February 2014 June 2015
Code Name GM107 Grenada XT
Memory 2048 MB 8192 MB
Core Speed 1020 MHz 1050 MHz
Memory Speed 5400 MHz 6000 MHz
Power (Max TDP) 60 watts 275 watts
Bandwidth 86400 MB/sec 384000 MB/sec
Texel Rate 40800 Mtexels/sec 184800 Mtexels/sec
Pixel Rate 16320 Mpixels/sec 67200 Mpixels/sec
Unified Shaders 640 2816
Texture Mapping Units 40 176
Render Output Units 16 64
Bus Type GDDR5 GDDR5
Bus Width 128-bit 512-bit
Fab Process 28 nm 28 nm
Transistors 1870 million 6200 million
Bus PCIe 3.0 x16 PCIe 3.0 ×16
DirectX Version DirectX 11.0 DirectX 12.0
OpenGL Version OpenGL 4.4 OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of data (measured in megabytes per second) that can be transferred past the external memory interface in one second. It is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR type RAM, the result should be multiplied by 2 once again. If it uses 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 higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one 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. The figure is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant 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 750 Ti

Amazon.com

Check prices at:

Radeon R9 390X 8G

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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