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GeForce GTX 295 vs Radeon R9 380 4G

Intro

The GeForce GTX 295 has a clock frequency of 576 MHz and a GDDR3 memory speed of 999 MHz. It also uses a 448-bit bus, and uses a 55 nm design. It is made up of 240 SPUs, 80 TAUs, and 28 ROPs.

Compare those specs to the Radeon R9 380 4G, which has core clock speeds of 970 MHz on the GPU, and 1425 MHz on the 4096 MB of GDDR5 RAM. It features 1792 SPUs as well as 112 Texture Address Units and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 380 4G 190 Watts
GeForce GTX 295 289 Watts
Difference: 99 Watts (52%)

Memory Bandwidth

The GeForce GTX 295, in theory, should be much faster than the Radeon R9 380 4G in general. (explain)

GeForce GTX 295 223776 MB/sec
Radeon R9 380 4G 182400 MB/sec
Difference: 41376 (23%)

Texel Rate

The Radeon R9 380 4G will be a small bit (approximately 18%) faster with regards to texture filtering than the GeForce GTX 295. (explain)

Radeon R9 380 4G 108640 Mtexels/sec
GeForce GTX 295 92160 Mtexels/sec
Difference: 16480 (18%)

Pixel Rate

The GeForce GTX 295 will be a small bit (more or less 4%) more effective at AA than the Radeon R9 380 4G, and also should be capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTX 295 32256 Mpixels/sec
Radeon R9 380 4G 31040 Mpixels/sec
Difference: 1216 (4%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce GTX 295

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 295 Radeon R9 380 4G
Manufacturer nVidia AMD
Year January 8, 2009 June 2015
Code Name G200b Antigua PRO
Memory 896 MB (x2) 4096 MB
Core Speed 576 MHz (x2) 970 MHz
Memory Speed 1998 MHz (x2) 5700 MHz
Power (Max TDP) 289 watts 190 watts
Bandwidth 223776 MB/sec 182400 MB/sec
Texel Rate 92160 Mtexels/sec 108640 Mtexels/sec
Pixel Rate 32256 Mpixels/sec 31040 Mpixels/sec
Unified Shaders 240 (x2) 1792
Texture Mapping Units 80 (x2) 112
Render Output Units 28 (x2) 32
Bus Type GDDR3 GDDR5
Bus Width 448-bit (x2) 256-bit
Fab Process 55 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: Bandwidth is the largest amount of data (measured in megabytes per second) that can be transported past the external memory interface within a second. The number is worked out by multiplying the interface width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, especially 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

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GeForce GTX 295

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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