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GeForce GT 320 vs Radeon R9 380 2G

Intro

The GeForce GT 320 makes use of a 40 nm design. nVidia has clocked the core speed at 540 MHz. The GDDR3 RAM runs at a frequency of 790 MHz on this particular model. It features 72 SPUs as well as 24 TAUs and 8 ROPs.

Compare those specs to the Radeon R9 380 2G, which makes use of a 28 nm design. AMD has clocked the core frequency at 970 MHz. The GDDR5 memory runs at a frequency of 1425 MHz on this card. It features 1792 SPUs as well as 112 Texture Address Units 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 380 2G 190 Watts
Difference: 147 Watts (342%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 380 2G is 622% quicker than the GeForce GT 320 in general, because of its greater bandwidth. (explain)

Radeon R9 380 2G 182400 MB/sec
GeForce GT 320 25280 MB/sec
Difference: 157120 (622%)

Texel Rate

The Radeon R9 380 2G is quite a bit (about 738%) more effective at AF than the GeForce GT 320. (explain)

Radeon R9 380 2G 108640 Mtexels/sec
GeForce GT 320 12960 Mtexels/sec
Difference: 95680 (738%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon R9 380 2G is the winner, and very much so. (explain)

Radeon R9 380 2G 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 380 2G

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 380 2G
Manufacturer nVidia AMD
Year February 2010 June 2015
Code Name GT215 Antigua PRO
Memory 1024 MB 2048 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 108640 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 31040 Mpixels/sec
Unified Shaders 72 1792
Texture Mapping Units 24 112
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 ×16
DirectX Version DirectX 10.1 DirectX 12.0
OpenGL Version OpenGL 3.3 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of information (in units of MB per second) that can be transferred past the external memory interface within a second. It is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster 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 number of texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total texture units by the core clock 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 applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the clock speed of the card. 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 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 ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GT 320

Amazon.com

Check prices at:

Radeon R9 380 2G

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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