GeForce GTX 750 vs Radeon R9 390X 8G

Intro

Compare those specifications to the Radeon R9 390X 8G, which uses a 28 nm design. AMD has clocked the core frequency at 1050 MHz. The GDDR5 memory is set to run at a speed of 1500 MHz on this particular card. It features 2816 SPUs along with 176 TAUs and 64 Rasterization Operator Units.

Display Graphs

Hide Graphs

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		3958 points
	Difference: 9597 (242%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750		55 Watts
Radeon R9 390X 8G		275 Watts
	Difference: 220 Watts (400%)

Memory Bandwidth

The Radeon R9 390X 8G, in theory, should perform a lot faster than the GeForce GTX 750 overall. (explain)

Radeon R9 390X 8G		384000 MB/sec
GeForce GTX 750		80000 MB/sec
	Difference: 304000 (380%)

Texel Rate

The Radeon R9 390X 8G will be quite a bit (approximately 466%) better at texture filtering than the GeForce GTX 750. (explain)

Radeon R9 390X 8G		184800 Mtexels/sec
GeForce GTX 750		32640 Mtexels/sec
	Difference: 152160 (466%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon R9 390X 8G is the winner, by far. (explain)

Radeon R9 390X 8G		67200 Mpixels/sec
GeForce GTX 750		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

Specifications

Memory Bandwidth: Memory bandwidth is the max amount of data (measured in MB per second) that can be transferred past the external memory interface in a second. It is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster 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 are applied in one second. This is calculated by multiplying the total texture units by the core clock speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of 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 colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.