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GeForce GTX 970 vs Geforce GTX 780

Intro

The GeForce GTX 970 features a clock speed of 1050 MHz and a GDDR5 memory frequency of 1750 MHz. It also makes use of a 256-bit memory bus, and makes use of a 28 nm design. It features 1664 SPUs, 104 TAUs, and 64 ROPs.

Compare all of that to the Geforce GTX 780, which comes with core clock speeds of 863 MHz on the GPU, and 1502 MHz on the 3072 MB of GDDR5 RAM. It features 2304 SPUs along with 192 TAUs and 48 Rasterization Operator Units.

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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 970 10867 points
Geforce GTX 780 10082 points
Difference: 785 (8%)

Ethereum Mining Hash Rate

Geforce GTX 780 20 Mh/s
GeForce GTX 970 19 Mh/s
Difference: 1 (5%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 970 145 Watts
Geforce GTX 780 250 Watts
Difference: 105 Watts (72%)

Memory Bandwidth

Theoretically speaking, the Geforce GTX 780 is 29% quicker than the GeForce GTX 970 in general, due to its higher bandwidth. (explain)

Geforce GTX 780 288384 MB/sec
GeForce GTX 970 224000 MB/sec
Difference: 64384 (29%)

Texel Rate

The Geforce GTX 780 is much (more or less 52%) faster with regards to anisotropic filtering than the GeForce GTX 970. (explain)

Geforce GTX 780 165696 Mtexels/sec
GeForce GTX 970 109200 Mtexels/sec
Difference: 56496 (52%)

Pixel Rate

The GeForce GTX 970 is much (about 62%) better at anti-aliasing than the Geforce GTX 780, and also will be able to handle higher resolutions while still performing well. (explain)

GeForce GTX 970 67200 Mpixels/sec
Geforce GTX 780 41424 Mpixels/sec
Difference: 25776 (62%)

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 970

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 970 Geforce GTX 780
Manufacturer nVidia nVidia
Year September 2014 May 2013
Code Name GM204-200 GK110
Memory 4096 MB 3072 MB
Core Speed 1050 MHz 863 MHz
Memory Speed 7000 MHz 6008 MHz
Power (Max TDP) 145 watts 250 watts
Bandwidth 224000 MB/sec 288384 MB/sec
Texel Rate 109200 Mtexels/sec 165696 Mtexels/sec
Pixel Rate 67200 Mpixels/sec 41424 Mpixels/sec
Unified Shaders 1664 2304
Texture Mapping Units 104 192
Render Output Units 64 48
Bus Type GDDR5 GDDR5
Bus Width 256-bit 384-bit
Fab Process 28 nm 28 nm
Transistors 5200 million 7080 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 11.0
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in MB per second) that can be transported across the external memory interface within a second. It's worked out by multiplying the bus width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce GTX 970

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.

Comments

2 Responses to “GeForce GTX 970 vs Geforce GTX 780”
jchap1590 says:

This comparison is slightly misleading. Maxwell is more efficient than Kepler and so a narrower bus width (256 -bit for Maxwell, 384-bit for Kepler) does not mean Maxwell is objectively slower than its respective Kepler counterpart. A direct (paper spec) comparison will always be significantly misleading in this regard, when comparing Maxwell to previous generations.

iseck says:

How it make GTX 780 20M/s Ethereum Mining !

it's very hard i think to do that ?

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