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GeForce GTX 295 vs Radeon RX 460

Intro

The GeForce GTX 295 features a clock frequency of 576 MHz and a GDDR3 memory speed of 999 MHz. It also uses a 448-bit memory bus, and makes use of a 55 nm design. It features 240 SPUs, 80 TAUs, and 28 ROPs.

Compare that to the Radeon RX 460, which has GPU clock speed of 1090 MHz, and 4096 MB of GDDR5 memory set to run at 1750 MHz through a 128-bit bus. It also is made up of 896 Stream Processors, 56 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 75 Watts
GeForce GTX 295 289 Watts
Difference: 214 Watts (285%)

Memory Bandwidth

In theory, the GeForce GTX 295 is 100% faster than the Radeon RX 460 in general, due to its higher data rate. (explain)

GeForce GTX 295 223776 MB/sec
Radeon RX 460 112000 MB/sec
Difference: 111776 (100%)

Texel Rate

The GeForce GTX 295 is quite a bit (approximately 51%) more effective at AF than the Radeon RX 460. (explain)

GeForce GTX 295 92160 Mtexels/sec
Radeon RX 460 61040 Mtexels/sec
Difference: 31120 (51%)

Pixel Rate

The GeForce GTX 295 will be a lot (more or less 85%) more effective at FSAA than the Radeon RX 460, and also capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 295 32256 Mpixels/sec
Radeon RX 460 17440 Mpixels/sec
Difference: 14816 (85%)

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

GeForce GTX 295

Radeon RX 460

Specifications

Display Specifications

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Model GeForce GTX 295 Radeon RX 460
Manufacturer nVidia AMD
Year January 8, 2009 August 2016
Code Name G200b Polaris 11
Memory 896 MB (x2) 4096 MB
Core Speed 576 MHz (x2) 1090 MHz
Memory Speed 1998 MHz (x2) 7000 MHz
Power (Max TDP) 289 watts 75 watts
Bandwidth 223776 MB/sec 112000 MB/sec
Texel Rate 92160 Mtexels/sec 61040 Mtexels/sec
Pixel Rate 32256 Mpixels/sec 17440 Mpixels/sec
Unified Shaders 240 (x2) 896
Texture Mapping Units 80 (x2) 56
Render Output Units 28 (x2) 16
Bus Type GDDR3 GDDR5
Bus Width 448-bit (x2) 128-bit
Fab Process 55 nm 14 nm
Transistors 1400 million 3000 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12.0
OpenGL Version OpenGL 3.1 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the max amount of data (counted in megabytes per second) that can be moved over the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units 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 output rate is also dependant on many 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.

GeForce GTX 295

Radeon RX 460

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