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GeForce GTX 295 vs Radeon RX 460


Intro

The GeForce GTX 295 makes use of a 55 nm design. nVidia has clocked the core speed at 576 MHz. The GDDR3 memory runs at a frequency of 999 MHz on this model. It features 240 SPUs along with 80 Texture Address Units and 28 ROPs.

Compare those specs to the Radeon RX 460, which comes with 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 features 896 SPUs, 56 Texture Address Units, and 16 Raster Operation Units.

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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

As far as performance goes, the GeForce GTX 295 should theoretically be quite a bit superior to the Radeon RX 460 in general. (explain)

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

Texel Rate

The GeForce GTX 295 will be much (more or less 51%) more effective at texture filtering 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 should be a lot (approximately 85%) better at AA than the Radeon RX 460, and should be able to handle higher resolutions more effectively. (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 maximum amount of information (counted in MB per second) that can be transported past the external memory interface in a second. The number is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster 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 amount of texture map elements (texels) that are processed in one second. This is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. 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 - 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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