GeForce GTX 590 vs GeForce GTX 650

Intro

Compare those specifications to the GeForce GTX 650, which makes use of a 28 nm design. nVidia has set the core speed at 1058 MHz. The GDDR5 RAM runs at a frequency of 1250 MHz on this particular model. It features 384 SPUs along with 32 TAUs and 16 Rasterization Operator Units.

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 590		6680 points
GeForce GTX 650		2263 points
	Difference: 4417 (195%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650		64 Watts
GeForce GTX 590		365 Watts
	Difference: 301 Watts (470%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 590 should be quite a bit faster than the GeForce GTX 650 overall. (explain)

GeForce GTX 590		328320 MB/sec
GeForce GTX 650		80000 MB/sec
	Difference: 248320 (310%)

Texel Rate

The GeForce GTX 590 should be a lot (about 129%) better at texture filtering than the GeForce GTX 650. (explain)

GeForce GTX 590		77696 Mtexels/sec
GeForce GTX 650		33856 Mtexels/sec
	Difference: 43840 (129%)

Pixel Rate

The GeForce GTX 590 should be much (approximately 244%) more effective at AA than the GeForce GTX 650, and also should be capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 590		58272 Mpixels/sec
GeForce GTX 650		16928 Mpixels/sec
	Difference: 41344 (244%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of MB per second) that can be moved across the external memory interface in one second. The number is calculated by multiplying the interface width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total amount of texture units of the card by the core clock 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 one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.