GeForce GTX 650 vs GeForce GTX 950

Intro

Compare that to the GeForce GTX 950, which makes use of a 28 nm design. nVidia has clocked the core speed at 1024 MHz. The GDDR5 memory works at a frequency of 1652 MHz on this particular model. It features 768 SPUs as well as 48 Texture Address Units and 32 ROPs.

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 950		6536 points
GeForce GTX 650		2263 points
	Difference: 4273 (189%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650		64 Watts
GeForce GTX 950		90 Watts
	Difference: 26 Watts (41%)

Memory Bandwidth

In theory, the GeForce GTX 950 should be 32% faster than the GeForce GTX 650 overall, due to its higher bandwidth. (explain)

GeForce GTX 950		105728 MB/sec
GeForce GTX 650		80000 MB/sec
	Difference: 25728 (32%)

Texel Rate

The GeForce GTX 950 is a lot (about 45%) better at anisotropic filtering than the GeForce GTX 650. (explain)

GeForce GTX 950		49152 Mtexels/sec
GeForce GTX 650		33856 Mtexels/sec
	Difference: 15296 (45%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 950 is a better choice, and very much so. (explain)

GeForce GTX 950		32768 Mpixels/sec
GeForce GTX 650		16928 Mpixels/sec
	Difference: 15840 (94%)

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 data (counted in megabytes per second) that can be transported over the external memory interface in one second. It is worked out by multiplying the interface width by the speed of its memory. If the card has DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total texture units of the card by the core speed of the chip. The better this number, 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 video card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the card's clock speed. 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 also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.