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GeForce GTX 285 2GB vs Radeon R9 M395X

Intro

The GeForce GTX 285 2GB uses a 55 nm design. nVidia has set the core speed at 648 MHz. The GDDR3 RAM works at a speed of 1242 MHz on this specific card. It features 240 SPUs along with 80 Texture Address Units and 32 ROPs.

Compare those specs to the Radeon R9 M395X, which features core speeds of 723 MHz on the GPU, and 1250 MHz on the 4096 MB of GDDR5 RAM. It features 2048 SPUs along with 128 Texture Address Units and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M395X 125 Watts
GeForce GTX 285 2GB 204 Watts
Difference: 79 Watts (63%)

Memory Bandwidth

Performance-wise, the Radeon R9 M395X should theoretically be a small bit superior to the GeForce GTX 285 2GB overall. (explain)

Radeon R9 M395X 160000 MB/sec
GeForce GTX 285 2GB 158976 MB/sec
Difference: 1024 (1%)

Texel Rate

The Radeon R9 M395X is quite a bit (more or less 79%) faster with regards to texture filtering than the GeForce GTX 285 2GB. (explain)

Radeon R9 M395X 92544 Mtexels/sec
GeForce GTX 285 2GB 51840 Mtexels/sec
Difference: 40704 (79%)

Pixel Rate

The Radeon R9 M395X should be just a bit (approximately 12%) more effective at FSAA than the GeForce GTX 285 2GB, and also able to handle higher resolutions without slowing down too much. (explain)

Radeon R9 M395X 23136 Mpixels/sec
GeForce GTX 285 2GB 20736 Mpixels/sec
Difference: 2400 (12%)

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 2GB

Amazon.com

Check prices at:

Radeon R9 M395X

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 2GB Radeon R9 M395X
Manufacturer nVidia AMD
Year January 15, 2009 2015
Code Name G200b Tonga
Memory 2048 MB 4096 MB
Core Speed 648 MHz 723 MHz
Memory Speed 2484 MHz 5000 MHz
Power (Max TDP) 204 watts 125 watts
Bandwidth 158976 MB/sec 160000 MB/sec
Texel Rate 51840 Mtexels/sec 92544 Mtexels/sec
Pixel Rate 20736 Mpixels/sec 23136 Mpixels/sec
Unified Shaders 240 2048
Texture Mapping Units 80 128
Render Output Units 32 32
Bus Type GDDR3 GDDR5
Bus Width 512-bit 256-bit
Fab Process 55 nm 28 nm
Transistors 1400 million (Unknown) million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12
OpenGL Version OpenGL 3.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of information (in units of megabytes per second) that can be transferred over the external memory interface within a second. It's calculated by multiplying the bus width by the speed of its memory. In the case of DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, 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 amount of texture map elements (texels) that can be applied in one second. This figure is worked out by multiplying the total amount of texture units of the card by the core clock 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 in one second.

Pixel Rate: Pixel rate is the most 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 number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 285 2GB

Amazon.com

Check prices at:

Radeon R9 M395X

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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