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GeForce GTX 295 vs Radeon R9 M265X

Intro

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

Compare all that to the Radeon R9 M265X, which comes with GPU core speed of 575 MHz, and 2048 MB of GDDR5 RAM set to run at 1125 MHz through a 128-bit bus. It also features 640 Stream Processors, 40 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the GeForce GTX 295 should in theory be quite a bit superior to the Radeon R9 M265X in general. (explain)

GeForce GTX 295 223776 MB/sec
Radeon R9 M265X 72000 MB/sec
Difference: 151776 (211%)

Texel Rate

The GeForce GTX 295 will be a lot (more or less 301%) better at texture filtering than the Radeon R9 M265X. (explain)

GeForce GTX 295 92160 Mtexels/sec
Radeon R9 M265X 23000 Mtexels/sec
Difference: 69160 (301%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 295 is the winner, by far. (explain)

GeForce GTX 295 32256 Mpixels/sec
Radeon R9 M265X 9200 Mpixels/sec
Difference: 23056 (251%)

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 M265X

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 M265X
Manufacturer nVidia AMD
Year January 8, 2009 May 1 2014
Code Name G200b Venus Pro
Memory 896 MB (x2) 2048 MB
Core Speed 576 MHz (x2) 575 MHz
Memory Speed 1998 MHz (x2) 4500 MHz
Power (Max TDP) 289 watts (Unknown) watts
Bandwidth 223776 MB/sec 72000 MB/sec
Texel Rate 92160 Mtexels/sec 23000 Mtexels/sec
Pixel Rate 32256 Mpixels/sec 9200 Mpixels/sec
Unified Shaders 240 (x2) 640
Texture Mapping Units 80 (x2) 40
Render Output Units 28 (x2) 16
Bus Type GDDR3 GDDR5
Bus Width 448-bit (x2) 128-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 (in units of MB per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the interface width by the speed of its memory. In the case of DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the 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 M265X

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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