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GeForce GTX 780 Ti vs Radeon R9 280X

Intro

The GeForce GTX 780 Ti has a clock speed of 875 MHz and a GDDR5 memory frequency of 1750 MHz. It also features a 384-bit bus, and uses a 28 nm design. It is made up of 2880 SPUs, 240 Texture Address Units, and 48 ROPs.

Compare all that to the Radeon R9 280X, which makes use of a 28 nm design. AMD has set the core frequency at 850 MHz. The GDDR5 RAM works at a frequency of 1500 MHz on this particular card. It features 2048 SPUs along with 128 Texture Address Units and 32 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 780 Ti 10900 points
Radeon R9 280X 8886 points
Difference: 2014 (23%)

Ethereum Mining Hash Rate

Radeon R9 280X 21 Mh/s
GeForce GTX 780 Ti 19 Mh/s
Difference: 2 (11%)

Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

In theory, the GeForce GTX 780 Ti should be a small bit faster than the Radeon R9 280X overall. (explain)

GeForce GTX 780 Ti 336000 MB/sec
Radeon R9 280X 288000 MB/sec
Difference: 48000 (17%)

Texel Rate

The GeForce GTX 780 Ti is much (more or less 93%) more effective at texture filtering than the Radeon R9 280X. (explain)

GeForce GTX 780 Ti 210000 Mtexels/sec
Radeon R9 280X 108800 Mtexels/sec
Difference: 101200 (93%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 780 Ti is superior to the Radeon R9 280X, and very much so. (explain)

GeForce GTX 780 Ti 42000 Mpixels/sec
Radeon R9 280X 27200 Mpixels/sec
Difference: 14800 (54%)

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 780 Ti

Amazon.com

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Radeon R9 280X

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 780 Ti Radeon R9 280X
Manufacturer nVidia AMD
Year November 2013 October 2013
Code Name GK110 Tahiti XTL
Memory 3072 MB 3072 MB
Core Speed 875 MHz 850 MHz
Memory Speed 7000 MHz 6000 MHz
Power (Max TDP) 250 watts 250 watts
Bandwidth 336000 MB/sec 288000 MB/sec
Texel Rate 210000 Mtexels/sec 108800 Mtexels/sec
Pixel Rate 42000 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 2880 2048
Texture Mapping Units 240 128
Render Output Units 48 32
Bus Type GDDR5 GDDR5
Bus Width 384-bit 384-bit
Fab Process 28 nm 28 nm
Transistors 7080 million 4313 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.2
OpenGL Version OpenGL 4.4 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in megabytes per second) that can be moved past the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, it 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 can be applied per second. This is worked out by multiplying the total amount 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 processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 780 Ti

Amazon.com

Check prices at:

Radeon R9 280X

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 780 Ti vs Radeon R9 280X”
Shadowbane says:

Not bad for a $300 card vs a $730 card. (as of 4-6-14) Also doesn't take in account for AMD's Mantle. I can't believe over $400 more and you can't get another Gb of memory.

rosspest says:

You really don't need more memory with a $720 EVGA Superclocked 780 Ti, unless you are running resolutions of way over 1080p.
With a clockspeed of 1008, and a boost speed of 1085, the SC 780 Ti has more texel pushing power than two R9 280X's while using half the power.

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