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GeForce GTX 280 vs Radeon R9 380 4G

Intro

The GeForce GTX 280 comes with a GPU core clock speed of 602 MHz, and the 1024 MB of GDDR3 RAM runs at 1107 MHz through a 512-bit bus. It also is made up of 240 Stream Processors, 80 TAUs, and 32 Raster Operation Units.

Compare those specs to the Radeon R9 380 4G, which features a GPU core clock speed of 970 MHz, and 4096 MB of GDDR5 RAM running at 1425 MHz through a 256-bit bus. It also is made up of 1792 SPUs, 112 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 380 4G 190 Watts
GeForce GTX 280 236 Watts
Difference: 46 Watts (24%)

Memory Bandwidth

As far as performance goes, the Radeon R9 380 4G should in theory be quite a bit better than the GeForce GTX 280 overall. (explain)

Radeon R9 380 4G 182400 MB/sec
GeForce GTX 280 141696 MB/sec
Difference: 40704 (29%)

Texel Rate

The Radeon R9 380 4G is quite a bit (more or less 126%) better at texture filtering than the GeForce GTX 280. (explain)

Radeon R9 380 4G 108640 Mtexels/sec
GeForce GTX 280 48160 Mtexels/sec
Difference: 60480 (126%)

Pixel Rate

The Radeon R9 380 4G should be much (about 61%) faster with regards to AA than the GeForce GTX 280, and will be capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon R9 380 4G 31040 Mpixels/sec
GeForce GTX 280 19264 Mpixels/sec
Difference: 11776 (61%)

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 280

Amazon.com

Check prices at:

Radeon R9 380 4G

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 280 Radeon R9 380 4G
Manufacturer nVidia AMD
Year June 17, 2008 June 2015
Code Name G200 Antigua PRO
Memory 1024 MB 4096 MB
Core Speed 602 MHz 970 MHz
Memory Speed 2214 MHz 5700 MHz
Power (Max TDP) 236 watts 190 watts
Bandwidth 141696 MB/sec 182400 MB/sec
Texel Rate 48160 Mtexels/sec 108640 Mtexels/sec
Pixel Rate 19264 Mpixels/sec 31040 Mpixels/sec
Unified Shaders 240 1792
Texture Mapping Units 80 112
Render Output Units 32 32
Bus Type GDDR3 GDDR5
Bus Width 512-bit 256-bit
Fab Process 65 nm 28 nm
Transistors 1400 million 5000 million
Bus PCIe x16 2.0 PCIe 3.0 ×16
DirectX Version DirectX 10 DirectX 12.0
OpenGL Version OpenGL 3.1 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be transported past the external memory interface in a second. The number is calculated by multiplying the bus width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

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

Display Prices

Hide Prices

GeForce GTX 280

Amazon.com

Check prices at:

Radeon R9 380 4G

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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