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GeForce GTX Titan X vs Geforce GTX 780

Intro

The GeForce GTX Titan X uses a 28 nm design. nVidia has set the core frequency at 1000 MHz. The GDDR5 RAM works at a speed of 1750 MHz on this specific model. It features 3072 SPUs as well as 192 TAUs and 96 Rasterization Operator Units.

Compare all that to the Geforce GTX 780, which has a core clock speed of 863 MHz and a GDDR5 memory frequency of 1502 MHz. It also features a 384-bit memory bus, and uses a 28 nm design. It features 2304 SPUs, 192 TAUs, and 48 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 Titan X 17879 points
Geforce GTX 780 10082 points
Difference: 7797 (77%)

Grand Theft Auto V | 1920x1080 | Very High

GeForce GTX Titan X 82 FPS
Geforce GTX 780 48 FPS
Difference: 34 (71%)

Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

As far as performance goes, the GeForce GTX Titan X should theoretically be a little bit better than the Geforce GTX 780 in general. (explain)

GeForce GTX Titan X 336000 MB/sec
Geforce GTX 780 288384 MB/sec
Difference: 47616 (17%)

Texel Rate

The GeForce GTX Titan X should be just a bit (more or less 16%) faster with regards to anisotropic filtering than the Geforce GTX 780. (explain)

GeForce GTX Titan X 192000 Mtexels/sec
Geforce GTX 780 165696 Mtexels/sec
Difference: 26304 (16%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX Titan X is superior to the Geforce GTX 780, by a large margin. (explain)

GeForce GTX Titan X 96000 Mpixels/sec
Geforce GTX 780 41424 Mpixels/sec
Difference: 54576 (132%)

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 Titan X

Amazon.com

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Geforce GTX 780

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 Titan X Geforce GTX 780
Manufacturer nVidia nVidia
Year March 2015 May 2013
Code Name GM200 GK110
Memory 12288 MB 3072 MB
Core Speed 1000 MHz 863 MHz
Memory Speed 7000 MHz 6008 MHz
Power (Max TDP) 250 watts 250 watts
Bandwidth 336000 MB/sec 288384 MB/sec
Texel Rate 192000 Mtexels/sec 165696 Mtexels/sec
Pixel Rate 96000 Mpixels/sec 41424 Mpixels/sec
Unified Shaders 3072 2304
Texture Mapping Units 192 192
Render Output Units 96 48
Bus Type GDDR5 GDDR5
Bus Width 384-bit 384-bit
Fab Process 28 nm 28 nm
Transistors 8000 million 7080 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: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be transferred across the external memory interface within a second. It's worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel 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.

Display Prices

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GeForce GTX Titan X

Amazon.com

Check prices at:

Geforce GTX 780

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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