Geforce GTX 670 vs Radeon HD 7870

Intro

Compare those specifications to the Radeon HD 7870, which comes with core speeds of 1000 MHz on the GPU, and 1200 MHz on the 2048 MB of GDDR5 RAM. It features 1280 SPUs as well as 80 TAUs 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

Geforce GTX 670		7351 points
Radeon HD 7870		6230 points
	Difference: 1121 (18%)

Ethereum Mining Hash Rate

Radeon HD 7870		16 Mh/s
Geforce GTX 670		13 Mh/s
	Difference: 3 (23%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 670		170 Watts
Radeon HD 7870		175 Watts
	Difference: 5 Watts (3%)

Memory Bandwidth

As far as performance goes, the Geforce GTX 670 should in theory be quite a bit superior to the Radeon HD 7870 in general. (explain)

Geforce GTX 670		192000 MB/sec
Radeon HD 7870		153600 MB/sec
	Difference: 38400 (25%)

Texel Rate

The Geforce GTX 670 is a lot (more or less 28%) better at texture filtering than the Radeon HD 7870. (explain)

Geforce GTX 670		102480 Mtexels/sec
Radeon HD 7870		80000 Mtexels/sec
	Difference: 22480 (28%)

Pixel Rate

If using a high resolution is important to you, then the Radeon HD 7870 is superior to the Geforce GTX 670, though not by far. (explain)

Radeon HD 7870		32000 Mpixels/sec
Geforce GTX 670		29280 Mpixels/sec
	Difference: 2720 (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

Specifications

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in MB per second) that can be transported past the external memory interface in one second. The number is calculated 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 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to its 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 the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends 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 max fill rate.