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Geforce GTX 770 vs Geforce GTX 780


Intro

The Geforce GTX 770 has core speeds of 1046 MHz on the GPU, and 1753 MHz on the 2048 MB of GDDR5 RAM. It features 1536 SPUs as well as 128 Texture Address Units and 32 Rasterization Operator Units.

Compare all that to the Geforce GTX 780, which comes with core speeds of 863 MHz on the GPU, and 1502 MHz on the 3072 MB of GDDR5 RAM. It features 2304 SPUs as well as 192 Texture Address Units 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 780 10067 points
Geforce GTX 770 7837 points
Difference: 2230 (28%)

Ethereum Mining Hash Rate

Geforce GTX 780 20 Mh/s
Geforce GTX 770 14 Mh/s
Difference: 6 (43%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 770 230 Watts
Geforce GTX 780 250 Watts
Difference: 20 Watts (9%)

Memory Bandwidth

Theoretically, the Geforce GTX 780 should be much faster than the Geforce GTX 770 in general. (explain)

Geforce GTX 780 288384 MB/sec
Geforce GTX 770 224384 MB/sec
Difference: 64000 (29%)

Texel Rate

The Geforce GTX 780 is a lot (more or less 24%) better at texture filtering than the Geforce GTX 770. (explain)

Geforce GTX 780 165696 Mtexels/sec
Geforce GTX 770 133888 Mtexels/sec
Difference: 31808 (24%)

Pixel Rate

The Geforce GTX 780 should be a lot (approximately 24%) better at FSAA than the Geforce GTX 770, and should be able to handle higher screen resolutions while still performing well. (explain)

Geforce GTX 780 41424 Mpixels/sec
Geforce GTX 770 33472 Mpixels/sec
Difference: 7952 (24%)

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 770

Amazon.com

Geforce GTX 780

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

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Model Geforce GTX 770 Geforce GTX 780
Manufacturer nVidia nVidia
Year May 2013 May 2013
Code Name GK104 GK110
Memory 2048 MB 3072 MB
Core Speed 1046 MHz 863 MHz
Memory Speed 7012 MHz 6008 MHz
Power (Max TDP) 230 watts 250 watts
Bandwidth 224384 MB/sec 288384 MB/sec
Texel Rate 133888 Mtexels/sec 165696 Mtexels/sec
Pixel Rate 33472 Mpixels/sec 41424 Mpixels/sec
Unified Shaders 1536 2304
Texture Mapping Units 128 192
Render Output Units 32 48
Bus Type GDDR5 GDDR5
Bus Width 256-bit 384-bit
Fab Process 28 nm 28 nm
Transistors 3540 million 7080 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.0
OpenGL Version OpenGL 4.3 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be transferred over the external memory interface in a second. It's calculated by multiplying the bus 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 higher the card's memory bandwidth, the better 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 number of texture map elements (texels) that are applied per second. This number is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, 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 maximum number of pixels the video card can possibly write 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 outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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Geforce GTX 770

Amazon.com

Geforce GTX 780

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.

Comments

5 Responses to “Geforce GTX 770 vs Geforce GTX 780”
gg says:

the 780 is shit, GG

sonarctica says:

GG, worst reason ever, i bet you are a AMD sheep and that's the reason why complain for nothing.

sheep says:

GG, you don't know sheep about it 780 is a titan killer

IT says:

Huge mistake in the page. thermal design power (TDP) is not power consumption is heat generated by the device.

IT says:

If you want to learn about TDP, I would recommend Linus Fast as possible videos.

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