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GeForce GTX 780 Ti vs GeForce GTX Titan

Intro

The GeForce GTX 780 Ti uses a 28 nm design. nVidia has set the core speed at 875 MHz. The GDDR5 memory runs at a frequency of 1750 MHz on this particular model. It features 2880 SPUs along with 240 TAUs and 48 ROPs.

Compare all that to the GeForce GTX Titan, which has GPU clock speed of 837 MHz, and 6144 MB of GDDR5 RAM running at 1502 MHz through a 384-bit bus. It also is made up of 2688 Stream Processors, 224 Texture Address Units, and 48 Raster Operation Units.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

The GeForce GTX 780 Ti, in theory, should be just a bit faster than the GeForce GTX Titan overall. (explain)

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

Texel Rate

The GeForce GTX 780 Ti should be a little bit (about 12%) more effective at texture filtering than the GeForce GTX Titan. (explain)

GeForce GTX 780 Ti 210000 Mtexels/sec
GeForce GTX Titan 187488 Mtexels/sec
Difference: 22512 (12%)

Pixel Rate

The GeForce GTX 780 Ti will be a small bit (approximately 5%) more effective at FSAA than the GeForce GTX Titan, and also will be capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 780 Ti 42000 Mpixels/sec
GeForce GTX Titan 40176 Mpixels/sec
Difference: 1824 (5%)

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

GeForce GTX 780 Ti

Amazon.com

GeForce GTX Titan

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

Model GeForce GTX 780 Ti GeForce GTX Titan
Manufacturer nVidia nVidia
Year November 2013 February 2013
Code Name GK110 GK110
Fab Process 28 nm 28 nm
Bus PCIe 3.0 x16 PCIe 3.0 x16
Memory 3072 MB 6144 MB
Core Speed 875 MHz 837 MHz
Shader Speed N/A MHz 837 MHz
Memory Speed 1750 MHz (7000 MHz effective) 1502 MHz (6008 MHz effective)
Unified Shaders 2880 2688
Texture Mapping Units 240 224
Render Output Units 48 48
Bus Type GDDR5 GDDR5
Bus Width 384-bit 384-bit
DirectX Version DirectX 11.0 DirectX 11.0
OpenGL Version OpenGL 4.4 OpenGL 4.3
Power (Max TDP) 250 watts 250 watts
Shader Model 5.0 5.0
Bandwidth 336000 MB/sec 288384 MB/sec
Texel Rate 210000 Mtexels/sec 187488 Mtexels/sec
Pixel Rate 42000 Mpixels/sec 40176 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the largest amount of data (in units of MB per second) that can be transported across the external memory interface in a second. It is worked out by multiplying the card's interface width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This is worked out by multiplying the total texture units 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 processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount 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 output rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Comments

2 Responses to “GeForce GTX 780 Ti vs GeForce GTX Titan”
Rain says:
holy crap the gtx 780 ti destroys the titan and is much less money
R says:
with 6 gb ram Titan can win if it's running some super high resolution graphics like 7680 x 1440

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