GeForce GTX 950 vs Geforce GTX 780

Intro

Compare those specifications to the Geforce GTX 780, which makes use of a 28 nm design. nVidia has set the core speed at 863 MHz. The GDDR5 memory is set to run at a frequency of 1502 MHz on this model. It features 2304 SPUs as well as 192 TAUs and 48 Rasterization Operator 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 780		10082 points
GeForce GTX 950		6536 points
	Difference: 3546 (54%)

Ethereum Mining Hash Rate

Geforce GTX 780		20 Mh/s
GeForce GTX 950		10 Mh/s
	Difference: 10 (100%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950		90 Watts
Geforce GTX 780		250 Watts
	Difference: 160 Watts (178%)

Memory Bandwidth

Performance-wise, the Geforce GTX 780 should in theory be much better than the GeForce GTX 950 overall. (explain)

Geforce GTX 780		288384 MB/sec
GeForce GTX 950		105728 MB/sec
	Difference: 182656 (173%)

Texel Rate

The Geforce GTX 780 will be much (approximately 237%) better at anisotropic filtering than the GeForce GTX 950. (explain)

Geforce GTX 780		165696 Mtexels/sec
GeForce GTX 950		49152 Mtexels/sec
	Difference: 116544 (237%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Geforce GTX 780 is a better choice, by far. (explain)

Geforce GTX 780		41424 Mpixels/sec
GeForce GTX 950		32768 Mpixels/sec
	Difference: 8656 (26%)

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 megabytes per second) that can be moved over the external memory interface in a second. It's worked out by multiplying the bus width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better 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 number of texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, 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 most pixels the video card could possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.