GeForce GTX 650 Ti vs GeForce GTX 980 Ti

Intro

Compare those specs to the GeForce GTX 980 Ti, which has core clock speeds of 1000 MHz on the GPU, and 1750 MHz on the 6144 MB of GDDR5 RAM. It features 2816 SPUs along with 176 Texture Address Units and 96 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 980 Ti		17120 points
GeForce GTX 650 Ti		3434 points
	Difference: 13686 (399%)

Ethereum Mining Hash Rate

GeForce GTX 980 Ti		22 Mh/s
GeForce GTX 650 Ti		10 Mh/s
	Difference: 12 (120%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti		110 Watts
GeForce GTX 980 Ti		250 Watts
	Difference: 140 Watts (127%)

Memory Bandwidth

The GeForce GTX 980 Ti should theoretically perform a lot faster than the GeForce GTX 650 Ti overall. (explain)

GeForce GTX 980 Ti		336000 MB/sec
GeForce GTX 650 Ti		86400 MB/sec
	Difference: 249600 (289%)

Texel Rate

The GeForce GTX 980 Ti will be much (approximately 196%) faster with regards to anisotropic filtering than the GeForce GTX 650 Ti. (explain)

GeForce GTX 980 Ti		176000 Mtexels/sec
GeForce GTX 650 Ti		59392 Mtexels/sec
	Difference: 116608 (196%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 980 Ti is a better choice, by far. (explain)

GeForce GTX 980 Ti		96000 Mpixels/sec
GeForce GTX 650 Ti		14848 Mpixels/sec
	Difference: 81152 (547%)

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 max amount of information (in units of megabytes per second) that can be transferred over the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory clock speed. If it uses 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 are applied in one second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.