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GeForce GTX 650 vs Geforce GTX 760

Intro

The GeForce GTX 650 makes use of a 28 nm design. nVidia has set the core frequency at 1058 MHz. The GDDR5 memory works at a frequency of 1250 MHz on this specific card. It features 384 SPUs along with 32 Texture Address Units and 16 ROPs.

Compare those specs to the Geforce GTX 760, which makes use of a 28 nm design. nVidia has set the core speed at 980 MHz. The GDDR5 memory is set to run at a speed of 1502 MHz on this model. It features 1152 SPUs along with 96 Texture Address Units and 32 ROPs.

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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 760 5923 points
GeForce GTX 650 2263 points
Difference: 3660 (162%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 64 Watts
Geforce GTX 760 170 Watts
Difference: 106 Watts (166%)

Memory Bandwidth

Theoretically speaking, the Geforce GTX 760 should perform quite a bit faster than the GeForce GTX 650 overall. (explain)

Geforce GTX 760 192256 MB/sec
GeForce GTX 650 80000 MB/sec
Difference: 112256 (140%)

Texel Rate

The Geforce GTX 760 is quite a bit (more or less 178%) more effective at texture filtering than the GeForce GTX 650. (explain)

Geforce GTX 760 94080 Mtexels/sec
GeForce GTX 650 33856 Mtexels/sec
Difference: 60224 (178%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Geforce GTX 760 is a better choice, by a large margin. (explain)

Geforce GTX 760 31360 Mpixels/sec
GeForce GTX 650 16928 Mpixels/sec
Difference: 14432 (85%)

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

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GeForce GTX 650

Amazon.com

Geforce GTX 760

Amazon.com

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 650 Geforce GTX 760
Manufacturer nVidia nVidia
Year September 2012 June 2013
Code Name GK107 GK104
Memory 1024 MB 2048 MB
Core Speed 1058 MHz 980 MHz
Memory Speed 5000 MHz 6008 MHz
Power (Max TDP) 64 watts 170 watts
Bandwidth 80000 MB/sec 192256 MB/sec
Texel Rate 33856 Mtexels/sec 94080 Mtexels/sec
Pixel Rate 16928 Mpixels/sec 31360 Mpixels/sec
Unified Shaders 384 1152
Texture Mapping Units 32 96
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 1300 million 3540 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.0
OpenGL Version OpenGL 4.3 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of data (counted in megabytes per second) that can be moved past the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce GTX 650

Amazon.com

Geforce GTX 760

Amazon.com

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Comments

One Response to “GeForce GTX 650 vs Geforce GTX 760”
Tesla says:

Can someone explain why does the GTX 650 have DX11.1 as opposed to GTX 760's DX11? Also, how does the first one benefit from the faster core and shader speed, being generally weaker than the second one?

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