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GeForce GTX 285 1GB vs Radeon R9 M295X

Intro

The GeForce GTX 285 1GB uses a 55 nm design. nVidia has clocked the core speed at 648 MHz. The GDDR3 RAM works at a speed of 1242 MHz on this particular card. It features 240 SPUs as well as 80 Texture Address Units and 32 ROPs.

Compare all of that to the Radeon R9 M295X, which features a clock frequency of 750 MHz and a GDDR5 memory speed of 1375 MHz. It also makes use of a 256-bit bus, and makes use of a 28 nm design. It features 2048 SPUs, 128 TAUs, and 32 ROPs.

Display Graphs

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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

The Radeon R9 M295X should in theory be just a bit faster than the GeForce GTX 285 1GB overall. (explain)

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

Texel Rate

The Radeon R9 M295X will be quite a bit (more or less 85%) more effective at texture 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 not by far. (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 max amount of data (measured in megabytes per second) that can be transferred across the external memory interface within a second. It's calculated by multiplying the bus width by the speed of its memory. If the card has DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better 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 amount of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total texture units by the core speed of the chip. The higher this number, the better the 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 can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as 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, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum 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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