GeForce GTX Titan vs Radeon HD 7870 XT

Intro

Compare those specifications to the Radeon HD 7870 XT, which has core speeds of 925 MHz on the GPU, and 1500 MHz on the 2048 MB of GDDR5 RAM. It features 1536 SPUs as well as 96 TAUs 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

GeForce GTX Titan		10162 points
Radeon HD 7870 XT		6390 points
	Difference: 3772 (59%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7870 XT		185 Watts
GeForce GTX Titan		250 Watts
	Difference: 65 Watts (35%)

Memory Bandwidth

Performance-wise, the GeForce GTX Titan should theoretically be quite a bit superior to the Radeon HD 7870 XT overall. (explain)

GeForce GTX Titan		288384 MB/sec
Radeon HD 7870 XT		192000 MB/sec
	Difference: 96384 (50%)

Texel Rate

The GeForce GTX Titan will be quite a bit (about 111%) better at texture filtering than the Radeon HD 7870 XT. (explain)

GeForce GTX Titan		187488 Mtexels/sec
Radeon HD 7870 XT		88800 Mtexels/sec
	Difference: 98688 (111%)

Pixel Rate

The GeForce GTX Titan will be quite a bit (more or less 36%) more effective at full screen anti-aliasing than the Radeon HD 7870 XT, and will be able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX Titan		40176 Mpixels/sec
Radeon HD 7870 XT		29600 Mpixels/sec
	Difference: 10576 (36%)

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 information (counted in megabytes per second) that can be transferred across the external memory interface in a second. It's calculated by multiplying the card's interface width by its memory speed. If it uses DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total amount of texture units of the card by the core 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 in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as 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, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.