GeForce GTX 950 vs Radeon HD 6870

Intro

Compare that to the Radeon HD 6870, which has GPU clock speed of 900 MHz, and 1024 MB of GDDR5 RAM set to run at 1050 MHz through a 256-bit bus. It also features 1120 SPUs, 56 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 950		6536 points
Radeon HD 6870		2870 points
	Difference: 3666 (128%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950		90 Watts
Radeon HD 6870		151 Watts
	Difference: 61 Watts (68%)

Memory Bandwidth

In theory, the Radeon HD 6870 should be quite a bit faster than the GeForce GTX 950 overall. (explain)

Radeon HD 6870		134400 MB/sec
GeForce GTX 950		105728 MB/sec
	Difference: 28672 (27%)

Texel Rate

The Radeon HD 6870 will be a bit (approximately 3%) better at anisotropic filtering than the GeForce GTX 950. (explain)

Radeon HD 6870		50400 Mtexels/sec
GeForce GTX 950		49152 Mtexels/sec
	Difference: 1248 (3%)

Pixel Rate

The GeForce GTX 950 is a small bit (more or less 14%) faster with regards to FSAA than the Radeon HD 6870, and also should be able to handle higher resolutions while still performing well. (explain)

GeForce GTX 950		32768 Mpixels/sec
Radeon HD 6870		28800 Mpixels/sec
	Difference: 3968 (14%)

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 data (counted in megabytes per second) that can be moved over the external memory interface in a second. The number is calculated by multiplying the interface width by its memory speed. In the case of DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster 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 amount of texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total texture units by the core speed of the chip. The higher this number, the better the graphics 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 most pixels that the graphics chip could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate 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 drawing the pixels (image) on the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.