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GeForce GTX 650 Ti 2GB vs Radeon R9 380X

Intro

The GeForce GTX 650 Ti 2GB has a clock frequency of 928 MHz and a GDDR5 memory speed of 1350 MHz. It also makes use of a 128-bit bus, and uses a 28 nm design. It is made up of 768 SPUs, 64 TAUs, and 16 Raster Operation Units.

Compare those specs to the Radeon R9 380X, which features a clock speed of 970 MHz and a GDDR5 memory speed of 1425 MHz. It also features a 256-bit bus, and makes use of a 28 nm design. It is comprised of 2048 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 2GB 110 Watts
Radeon R9 380X 190 Watts
Difference: 80 Watts (73%)

Memory Bandwidth

In theory, the Radeon R9 380X will be 111% quicker than the GeForce GTX 650 Ti 2GB overall, due to its greater data rate. (explain)

Radeon R9 380X 182400 MB/sec
GeForce GTX 650 Ti 2GB 86400 MB/sec
Difference: 96000 (111%)

Texel Rate

The Radeon R9 380X will be much (approximately 109%) more effective at anisotropic filtering than the GeForce GTX 650 Ti 2GB. (explain)

Radeon R9 380X 124160 Mtexels/sec
GeForce GTX 650 Ti 2GB 59392 Mtexels/sec
Difference: 64768 (109%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon R9 380X is the winner, by far. (explain)

Radeon R9 380X 31040 Mpixels/sec
GeForce GTX 650 Ti 2GB 14848 Mpixels/sec
Difference: 16192 (109%)

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 650 Ti 2GB

Amazon.com

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Radeon R9 380X

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 650 Ti 2GB Radeon R9 380X
Manufacturer nVidia AMD
Year October 2012 November 2015
Code Name GK106 Tonga XT
Memory 2048 MB 4096 MB
Core Speed 928 MHz 970 MHz
Memory Speed 5400 MHz 5700 MHz
Power (Max TDP) 110 watts 190 watts
Bandwidth 86400 MB/sec 182400 MB/sec
Texel Rate 59392 Mtexels/sec 124160 Mtexels/sec
Pixel Rate 14848 Mpixels/sec 31040 Mpixels/sec
Unified Shaders 768 2048
Texture Mapping Units 64 128
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 2540 million 5000 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 12.0
OpenGL Version OpenGL 4.3 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in MB per second) that can be moved over the external memory interface within a second. It's worked out by multiplying the interface width by its memory speed. In the case of DDR type RAM, it must 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 anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total texture units of the card 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 applied per second.

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

Display Prices

Hide Prices

GeForce GTX 650 Ti 2GB

Amazon.com

Check prices at:

Radeon R9 380X

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.

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