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GeForce GTX 650 Ti 2GB vs Radeon R9 M380

Intro

The GeForce GTX 650 Ti 2GB features a GPU core speed of 928 MHz, and the 2048 MB of GDDR5 memory runs at 1350 MHz through a 128-bit bus. It also features 768 SPUs, 64 TAUs, and 16 ROPs.

Compare those specifications to the Radeon R9 M380, which comes with a clock frequency of 1000 MHz and a GDDR5 memory frequency of 1500 MHz. It also makes use of a 128-bit memory bus, and uses a 28 nm design. It features 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon R9 M380 should be 11% faster than the GeForce GTX 650 Ti 2GB overall, because of its greater bandwidth. (explain)

Radeon R9 M380 96000 MB/sec
GeForce GTX 650 Ti 2GB 86400 MB/sec
Difference: 9600 (11%)

Texel Rate

The GeForce GTX 650 Ti 2GB will be much (more or less 48%) more effective at texture filtering than the Radeon R9 M380. (explain)

GeForce GTX 650 Ti 2GB 59392 Mtexels/sec
Radeon R9 M380 40000 Mtexels/sec
Difference: 19392 (48%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon R9 M380 is superior to the GeForce GTX 650 Ti 2GB, but only just. (explain)

Radeon R9 M380 16000 Mpixels/sec
GeForce GTX 650 Ti 2GB 14848 Mpixels/sec
Difference: 1152 (8%)

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

Check prices at:

Radeon R9 M380

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.

Specifications

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Model GeForce GTX 650 Ti 2GB Radeon R9 M380
Manufacturer nVidia AMD
Year October 2012 2015
Code Name GK106 Cape Verde
Memory 2048 MB 4096 MB
Core Speed 928 MHz 1000 MHz
Memory Speed 5400 MHz 6000 MHz
Power (Max TDP) 110 watts (Unknown) watts
Bandwidth 86400 MB/sec 96000 MB/sec
Texel Rate 59392 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 14848 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 768 640
Texture Mapping Units 64 40
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 2540 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 12
OpenGL Version OpenGL 4.3 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in megabytes per second) that can be transferred across the external memory interface in one second. The number is worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

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

Display Prices

Hide Prices

GeForce GTX 650 Ti 2GB

Amazon.com

Check prices at:

Radeon R9 M380

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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