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GeForce GTX 650 vs GeForce GTX 965M

Intro

The GeForce GTX 650 has clock speeds of 1058 MHz on the GPU, and 1250 MHz on the 1024 MB of GDDR5 memory. It features 384 SPUs as well as 32 Texture Address Units and 16 ROPs.

Compare all of that to the GeForce GTX 965M, which uses a 28 nm design. nVidia has set the core speed at 944 MHz. The GDDR5 RAM works at a speed of 1000 MHz on this particular card. It features 1024 SPUs as well as 64 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 965M 5650 points
GeForce GTX 650 2263 points
Difference: 3387 (150%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M 60 Watts
GeForce GTX 650 64 Watts
Difference: 4 Watts (7%)

Memory Bandwidth

The GeForce GTX 650 should theoretically perform quite a bit faster than the GeForce GTX 965M overall. (explain)

GeForce GTX 650 80000 MB/sec
GeForce GTX 965M 64000 MB/sec
Difference: 16000 (25%)

Texel Rate

The GeForce GTX 965M will be a lot (about 78%) more effective at AF than the GeForce GTX 650. (explain)

GeForce GTX 965M 60416 Mtexels/sec
GeForce GTX 650 33856 Mtexels/sec
Difference: 26560 (78%)

Pixel Rate

The GeForce GTX 965M is much (approximately 78%) faster with regards to full screen anti-aliasing than the GeForce GTX 650, and also capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 965M 30208 Mpixels/sec
GeForce GTX 650 16928 Mpixels/sec
Difference: 13280 (78%)

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

Check prices at:

GeForce GTX 965M

Amazon.com

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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 965M
Manufacturer nVidia nVidia
Year September 2012 January 5 2015
Code Name GK107 GM204
Memory 1024 MB 2048 MB
Core Speed 1058 MHz 944 MHz
Memory Speed 5000 MHz 4000 MHz
Power (Max TDP) 64 watts 60 watts
Bandwidth 80000 MB/sec 64000 MB/sec
Texel Rate 33856 Mtexels/sec 60416 Mtexels/sec
Pixel Rate 16928 Mpixels/sec 30208 Mpixels/sec
Unified Shaders 384 1024
Texture Mapping Units 32 64
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 1300 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 12
OpenGL Version OpenGL 4.3 OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of information (measured in megabytes per second) that can be transported past the external memory interface in a second. It is worked out by multiplying the bus width by its memory speed. If the card has DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the the core clock speed. 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 rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 650

Amazon.com

Check prices at:

GeForce GTX 965M

Amazon.com

Check prices at:

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.

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