GeForce GTX 570 vs Radeon HD 7870 XT

Intro

Compare those specs to the Radeon HD 7870 XT, which comes with core speeds of 925 MHz on the GPU, and 1500 MHz on the 2048 MB of GDDR5 memory. It features 1536 SPUs as well as 96 Texture Address Units and 32 Rasterization Operator Units.

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

Radeon HD 7870 XT		6390 points
GeForce GTX 570		4387 points
	Difference: 2003 (46%)

Ethereum Mining Hash Rate

Radeon HD 7870 XT		15 Mh/s
GeForce GTX 570		13 Mh/s
	Difference: 2 (15%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7870 XT		185 Watts
GeForce GTX 570		219 Watts
	Difference: 34 Watts (18%)

Memory Bandwidth

The Radeon HD 7870 XT should theoretically perform much faster than the GeForce GTX 570 overall. (explain)

Radeon HD 7870 XT		192000 MB/sec
GeForce GTX 570		152000 MB/sec
	Difference: 40000 (26%)

Texel Rate

The Radeon HD 7870 XT should be a lot (more or less 102%) faster with regards to texture filtering than the GeForce GTX 570. (explain)

Radeon HD 7870 XT		88800 Mtexels/sec
GeForce GTX 570		43920 Mtexels/sec
	Difference: 44880 (102%)

Pixel Rate

The Radeon HD 7870 XT will be a little bit (about 1%) better at AA than the GeForce GTX 570, and will be able to handle higher screen resolutions better. (explain)

Radeon HD 7870 XT		29600 Mpixels/sec
GeForce GTX 570		29280 Mpixels/sec
	Difference: 320 (1%)

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 information (measured in MB per second) that can be moved across the external memory interface within a second. It's calculated by multiplying the interface width by the speed of its memory. If it uses DDR memory, it must be multiplied by 2 once again. If 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 amount of texture map elements (texels) that can be processed in one second. This is worked out by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.