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GeForce GTX 285 1GB vs Radeon R9 380 4G

Intro

The GeForce GTX 285 1GB has clock speeds of 648 MHz on the GPU, and 1242 MHz on the 1024 MB of GDDR3 memory. It features 240 SPUs as well as 80 Texture Address Units and 32 ROPs.

Compare all that to the Radeon R9 380 4G, which has a core clock frequency of 970 MHz and a GDDR5 memory speed of 1425 MHz. It also makes use of a 256-bit memory bus, and makes use of a 28 nm design. It features 1792 SPUs, 112 TAUs, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 380 4G 190 Watts
GeForce GTX 285 1GB 204 Watts
Difference: 14 Watts (7%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 380 4G should be 15% quicker than the GeForce GTX 285 1GB in general, because of its greater bandwidth. (explain)

Radeon R9 380 4G 182400 MB/sec
GeForce GTX 285 1GB 158976 MB/sec
Difference: 23424 (15%)

Texel Rate

The Radeon R9 380 4G should be a lot (approximately 110%) more effective at texture filtering than the GeForce GTX 285 1GB. (explain)

Radeon R9 380 4G 108640 Mtexels/sec
GeForce GTX 285 1GB 51840 Mtexels/sec
Difference: 56800 (110%)

Pixel Rate

The Radeon R9 380 4G will be a lot (more or less 50%) more effective at AA than the GeForce GTX 285 1GB, and also capable of handling higher screen resolutions while still performing well. (explain)

Radeon R9 380 4G 31040 Mpixels/sec
GeForce GTX 285 1GB 20736 Mpixels/sec
Difference: 10304 (50%)

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 285 1GB

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 285 1GB Radeon R9 380 4G
Manufacturer nVidia AMD
Year January 15, 2009 June 2015
Code Name G200b Antigua PRO
Memory 1024 MB 4096 MB
Core Speed 648 MHz 970 MHz
Memory Speed 2484 MHz 5700 MHz
Power (Max TDP) 204 watts 190 watts
Bandwidth 158976 MB/sec 182400 MB/sec
Texel Rate 51840 Mtexels/sec 108640 Mtexels/sec
Pixel Rate 20736 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 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 max amount of information (in units of MB per second) that can be transported over the external memory interface in one second. It's worked out by multiplying the interface width by its memory speed. In the case of DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of 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 285 1GB

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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