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GeForce GTX 285 1GB vs Radeon R9 M295X

Intro

The GeForce GTX 285 1GB makes use of a 55 nm design. nVidia has clocked the core frequency at 648 MHz. The GDDR3 memory is set to run at a speed of 1242 MHz on this card. It features 240 SPUs along with 80 Texture Address Units and 32 ROPs.

Compare those specs to the Radeon R9 M295X, which makes use of a 28 nm design. AMD has clocked the core speed at 750 MHz. The GDDR5 memory works at a frequency of 1375 MHz on this model. It features 2048 SPUs as well as 128 Texture Address Units and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M295X 125 Watts
GeForce GTX 285 1GB 204 Watts
Difference: 79 Watts (63%)

Memory Bandwidth

In theory, the Radeon R9 M295X will be 11% quicker than the GeForce GTX 285 1GB in general, due to its higher bandwidth. (explain)

Radeon R9 M295X 176000 MB/sec
GeForce GTX 285 1GB 158976 MB/sec
Difference: 17024 (11%)

Texel Rate

The Radeon R9 M295X should be much (approximately 85%) faster with regards to anisotropic filtering than the GeForce GTX 285 1GB. (explain)

Radeon R9 M295X 96000 Mtexels/sec
GeForce GTX 285 1GB 51840 Mtexels/sec
Difference: 44160 (85%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon R9 M295X is superior to the GeForce GTX 285 1GB, though only just barely. (explain)

Radeon R9 M295X 24000 Mpixels/sec
GeForce GTX 285 1GB 20736 Mpixels/sec
Difference: 3264 (16%)

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 M295X

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 M295X
Manufacturer nVidia AMD
Year January 15, 2009 2014
Code Name G200b Unknown
Memory 1024 MB 4096 MB
Core Speed 648 MHz 750 MHz
Memory Speed 2484 MHz 5500 MHz
Power (Max TDP) 204 watts 125 watts
Bandwidth 158976 MB/sec 176000 MB/sec
Texel Rate 51840 Mtexels/sec 96000 Mtexels/sec
Pixel Rate 20736 Mpixels/sec 24000 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 11.2
OpenGL Version OpenGL 3.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be transported over the external memory interface in a second. It's calculated by multiplying the card's interface width by its memory speed. 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 better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the the core 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 output rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 285 1GB

Amazon.com

Check prices at:

Radeon R9 M295X

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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