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GeForce GT 320 vs Radeon R9 380X

Intro

The GeForce GT 320 has a GPU clock speed of 540 MHz, and the 1024 MB of GDDR3 memory runs at 790 MHz through a 128-bit bus. It also is comprised of 72 Stream Processors, 24 Texture Address Units, and 8 ROPs.

Compare those specifications to the Radeon R9 380X, which has core clock speeds of 970 MHz on the GPU, and 1425 MHz on the 4096 MB of GDDR5 RAM. It features 2048 SPUs along with 128 TAUs and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 320 43 Watts
Radeon R9 380X 190 Watts
Difference: 147 Watts (342%)

Memory Bandwidth

The Radeon R9 380X should in theory be quite a bit faster than the GeForce GT 320 in general. (explain)

Radeon R9 380X 182400 MB/sec
GeForce GT 320 25280 MB/sec
Difference: 157120 (622%)

Texel Rate

The Radeon R9 380X is much (about 858%) better at texture filtering than the GeForce GT 320. (explain)

Radeon R9 380X 124160 Mtexels/sec
GeForce GT 320 12960 Mtexels/sec
Difference: 111200 (858%)

Pixel Rate

The Radeon R9 380X will be a lot (approximately 619%) better at FSAA than the GeForce GT 320, and will be capable of handling higher screen resolutions without slowing down too much. (explain)

Radeon R9 380X 31040 Mpixels/sec
GeForce GT 320 4320 Mpixels/sec
Difference: 26720 (619%)

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 GT 320

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.

Specifications

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Model GeForce GT 320 Radeon R9 380X
Manufacturer nVidia AMD
Year February 2010 November 2015
Code Name GT215 Tonga XT
Memory 1024 MB 4096 MB
Core Speed 540 MHz 970 MHz
Memory Speed 1580 MHz 5700 MHz
Power (Max TDP) 43 watts 190 watts
Bandwidth 25280 MB/sec 182400 MB/sec
Texel Rate 12960 Mtexels/sec 124160 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 31040 Mpixels/sec
Unified Shaders 72 2048
Texture Mapping Units 24 128
Render Output Units 8 32
Bus Type GDDR3 GDDR5
Bus Width 128-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 727 million 5000 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 12.0
OpenGL Version OpenGL 3.3 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of megabytes per second) that can be moved over the external memory interface in a second. It's worked out by multiplying the interface width by the speed of its memory. In the case of DDR RAM, the result should be multiplied by 2 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 anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied 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 video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably 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 GT 320

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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