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GeForce GTX 1080 vs Geforce GTX 780

Intro

The GeForce GTX 1080 comes with core speeds of 1607 MHz on the GPU, and 1251 MHz on the 8192 MB of GDDR5X RAM. It features 2560 SPUs along with 160 Texture Address Units and 64 ROPs.

Compare those specs to the Geforce GTX 780, which features GPU core speed of 863 MHz, and 3072 MB of GDDR5 RAM set to run at 1502 MHz through a 384-bit bus. It also is made up of 2304 Stream Processors, 192 TAUs, and 48 ROPs.

Display Graphs

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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 1080 22050 points
Geforce GTX 780 10067 points
Difference: 11983 (119%)

Ethereum Mining Hash Rate

GeForce GTX 1080 20 Mh/s
Geforce GTX 780 20 Mh/s
Difference: 0 (0%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1080 180 Watts
Geforce GTX 780 250 Watts
Difference: 70 Watts (39%)

Memory Bandwidth

The GeForce GTX 1080 should in theory be a small bit faster than the Geforce GTX 780 overall. (explain)

GeForce GTX 1080 327680 MB/sec
Geforce GTX 780 288384 MB/sec
Difference: 39296 (14%)

Texel Rate

The GeForce GTX 1080 should be much (about 55%) better at AF than the Geforce GTX 780. (explain)

GeForce GTX 1080 257120 Mtexels/sec
Geforce GTX 780 165696 Mtexels/sec
Difference: 91424 (55%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 1080 is the winner, and very much so. (explain)

GeForce GTX 1080 102848 Mpixels/sec
Geforce GTX 780 41424 Mpixels/sec
Difference: 61424 (148%)

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 1080

Geforce GTX 780

Specifications

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Model GeForce GTX 1080 Geforce GTX 780
Manufacturer nVidia nVidia
Year May 2016 May 2013
Code Name GP104-400 GK110
Memory 8192 MB 3072 MB
Core Speed 1607 MHz 863 MHz
Memory Speed 10008 MHz 6008 MHz
Power (Max TDP) 180 watts 250 watts
Bandwidth 327680 MB/sec 288384 MB/sec
Texel Rate 257120 Mtexels/sec 165696 Mtexels/sec
Pixel Rate 102848 Mpixels/sec 41424 Mpixels/sec
Unified Shaders 2560 2304
Texture Mapping Units 160 192
Render Output Units 64 48
Bus Type GDDR5X GDDR5
Bus Width 256-bit 384-bit
Fab Process 16 nm 28 nm
Transistors 7200 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 maximum amount of information (in units of megabytes per second) that can be moved past the external memory interface in a second. The number is calculated by multiplying the interface width by its memory speed. If the card has DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better 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 processed in one second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

GeForce GTX 1080

Geforce GTX 780

Comments

One Response to “GeForce GTX 1080 vs Geforce GTX 780”
Suren says:

Hello gud cart.

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