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GeForce GTX 1070 vs GeForce GTX 650 Ti 2GB

Intro

The GeForce GTX 1070 has a clock speed of 1506 MHz and a GDDR5 memory frequency of 2000 MHz. It also features a 256-bit bus, and makes use of a 16 nm design. It is comprised of 1920 SPUs, 120 Texture Address Units, and 64 Raster Operation Units.

Compare all of that to the GeForce GTX 650 Ti 2GB, which has a clock frequency of 928 MHz and a GDDR5 memory frequency of 1350 MHz. It also makes use of a 128-bit memory bus, and uses a 28 nm design. It is made up of 768 SPUs, 64 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 2GB 110 Watts
GeForce GTX 1070 150 Watts
Difference: 40 Watts (36%)

Memory Bandwidth

The GeForce GTX 1070 should in theory perform much faster than the GeForce GTX 650 Ti 2GB in general. (explain)

GeForce GTX 1070 262144 MB/sec
GeForce GTX 650 Ti 2GB 86400 MB/sec
Difference: 175744 (203%)

Texel Rate

The GeForce GTX 1070 is a lot (more or less 204%) more effective at texture filtering than the GeForce GTX 650 Ti 2GB. (explain)

GeForce GTX 1070 180720 Mtexels/sec
GeForce GTX 650 Ti 2GB 59392 Mtexels/sec
Difference: 121328 (204%)

Pixel Rate

The GeForce GTX 1070 will be quite a bit (about 549%) better at full screen anti-aliasing than the GeForce GTX 650 Ti 2GB, and also capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTX 1070 96384 Mpixels/sec
GeForce GTX 650 Ti 2GB 14848 Mpixels/sec
Difference: 81536 (549%)

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 1070

Amazon.com

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GeForce GTX 650 Ti 2GB

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 1070 GeForce GTX 650 Ti 2GB
Manufacturer nVidia nVidia
Year June 2016 October 2012
Code Name GP104-200 GK106
Memory 8192 MB 2048 MB
Core Speed 1506 MHz 928 MHz
Memory Speed 8000 MHz 5400 MHz
Power (Max TDP) 150 watts 110 watts
Bandwidth 262144 MB/sec 86400 MB/sec
Texel Rate 180720 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 96384 Mpixels/sec 14848 Mpixels/sec
Unified Shaders 1920 768
Texture Mapping Units 120 64
Render Output Units 64 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 16 nm 28 nm
Transistors 7200 million 2540 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 11.0
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of MB per second) that can be moved over the external memory interface within a second. It's worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to its 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 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 lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce GTX 1070

Amazon.com

Check prices at:

GeForce GTX 650 Ti 2GB

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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