Geforce GTX 780 vs Radeon R9 270X

Intro

Compare those specs to the Radeon R9 270X, which comes with GPU clock speed of 1000 MHz, and 2048 MB of GDDR5 memory set to run at 1400 MHz through a 256-bit bus. It also is made up of 1280 Stream Processors, 80 Texture Address Units, and 32 Raster Operation 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

Geforce GTX 780		10082 points
Radeon R9 270X		6590 points
	Difference: 3492 (53%)

Ethereum Mining Hash Rate

Geforce GTX 780		20 Mh/s
Radeon R9 270X		18 Mh/s
	Difference: 2 (11%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 270X		180 Watts
Geforce GTX 780		250 Watts
	Difference: 70 Watts (39%)

Memory Bandwidth

The Geforce GTX 780 should in theory perform quite a bit faster than the Radeon R9 270X overall. (explain)

Geforce GTX 780		288384 MB/sec
Radeon R9 270X		179200 MB/sec
	Difference: 109184 (61%)

Texel Rate

The Geforce GTX 780 will be a lot (approximately 107%) better at AF than the Radeon R9 270X. (explain)

Geforce GTX 780		165696 Mtexels/sec
Radeon R9 270X		80000 Mtexels/sec
	Difference: 85696 (107%)

Pixel Rate

If using a high resolution is important to you, then the Geforce GTX 780 is the winner, by far. (explain)

Geforce GTX 780		41424 Mpixels/sec
Radeon R9 270X		32000 Mpixels/sec
	Difference: 9424 (29%)

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: Bandwidth is the largest amount of data (measured in megabytes per second) that can be transferred over the external memory interface in a second. It's calculated by multiplying the interface width by its memory clock speed. If the card has DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, 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 number 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs 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, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.