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GeForce GT 320 vs Radeon R9 380 2G

Intro

The GeForce GT 320 uses a 40 nm design. nVidia has clocked the core frequency at 540 MHz. The GDDR3 RAM runs at a speed of 790 MHz on this card. It features 72 SPUs as well as 24 TAUs and 8 Rasterization Operator Units.

Compare those specifications to the Radeon R9 380 2G, which features core clock speeds of 970 MHz on the GPU, and 1425 MHz on the 2048 MB of GDDR5 memory. It features 1792 SPUs as well as 112 Texture Address Units and 32 ROPs.

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

The Radeon R9 380 2G should theoretically be a lot faster than the GeForce GT 320 in general. (explain)

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

Texel Rate

The Radeon R9 380 2G should be quite a bit (approximately 738%) faster with regards to 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

The Radeon R9 380 2G is a lot (more or less 619%) better at FSAA than the GeForce GT 320, and will be able to handle higher resolutions better. (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 maximum amount of data (measured in megabytes per second) that can be transferred over the external memory interface within a second. It is calculated by multiplying the bus width by the speed of its memory. If the card has DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the video 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 most pixels the video card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential 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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