GeForce GTX Titan Black vs Radeon HD 7870 XT

Intro

Compare those specifications to the Radeon HD 7870 XT, which comes with a clock frequency of 925 MHz and a GDDR5 memory speed of 1500 MHz. It also features a 256-bit bus, and makes use of a 28 nm design. It is comprised of 1536 SPUs, 96 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 Titan Black		11666 points
Radeon HD 7870 XT		6390 points
	Difference: 5276 (83%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

Theoretically speaking, the GeForce GTX Titan Black will be 75% quicker than the Radeon HD 7870 XT overall, because of its greater data rate. (explain)

GeForce GTX Titan Black		336000 MB/sec
Radeon HD 7870 XT		192000 MB/sec
	Difference: 144000 (75%)

Texel Rate

The GeForce GTX Titan Black is quite a bit (more or less 140%) better at AF than the Radeon HD 7870 XT. (explain)

GeForce GTX Titan Black		213360 Mtexels/sec
Radeon HD 7870 XT		88800 Mtexels/sec
	Difference: 124560 (140%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX Titan Black is the winner, by far. (explain)

GeForce GTX Titan Black		42672 Mpixels/sec
Radeon HD 7870 XT		29600 Mpixels/sec
	Difference: 13072 (44%)

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 largest amount of information (measured in MB per second) that can be transferred across the external memory interface within a second. It's calculated by multiplying the interface width by its memory speed. If the card has DDR type RAM, it must be multiplied by 2 once 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 higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the the core clock speed. 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 also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.