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GeForce GTX 470 vs Radeon RX 460

Intro

The GeForce GTX 470 comes with clock speeds of 607 MHz on the GPU, and 837 MHz on the 1280 MB of GDDR5 RAM. It features 448 SPUs as well as 56 TAUs and 40 ROPs.

Compare that to the Radeon RX 460, which makes use of a 14 nm design. AMD has set the core frequency at 1090 MHz. The GDDR5 RAM runs at a speed of 1750 MHz on this card. It features 896 SPUs as well as 56 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 75 Watts
GeForce GTX 470 215 Watts
Difference: 140 Watts (187%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 470 should theoretically be a small bit superior to the Radeon RX 460 overall. (explain)

GeForce GTX 470 133920 MB/sec
Radeon RX 460 112000 MB/sec
Difference: 21920 (20%)

Texel Rate

The Radeon RX 460 will be a lot (approximately 80%) better at texture filtering than the GeForce GTX 470. (explain)

Radeon RX 460 61040 Mtexels/sec
GeForce GTX 470 33992 Mtexels/sec
Difference: 27048 (80%)

Pixel Rate

The GeForce GTX 470 will be quite a bit (approximately 39%) more effective at anti-aliasing than the Radeon RX 460, and also should be capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX 470 24280 Mpixels/sec
Radeon RX 460 17440 Mpixels/sec
Difference: 6840 (39%)

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

GeForce GTX 470

Radeon RX 460

Specifications

Display Specifications

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Model GeForce GTX 470 Radeon RX 460
Manufacturer nVidia AMD
Year March 2010 August 2016
Code Name GF100 Polaris 11
Memory 1280 MB 4096 MB
Core Speed 607 MHz 1090 MHz
Memory Speed 3348 MHz 7000 MHz
Power (Max TDP) 215 watts 75 watts
Bandwidth 133920 MB/sec 112000 MB/sec
Texel Rate 33992 Mtexels/sec 61040 Mtexels/sec
Pixel Rate 24280 Mpixels/sec 17440 Mpixels/sec
Unified Shaders 448 896
Texture Mapping Units 56 56
Render Output Units 40 16
Bus Type GDDR5 GDDR5
Bus Width 320-bit 128-bit
Fab Process 40 nm 14 nm
Transistors 3000 million 3000 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 4.1 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of MB per second) that can be transferred over the external memory interface in a second. The number is worked out by multiplying the bus width by its memory speed. If the card has DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This number is worked out by multiplying the total texture units by the core clock speed of the chip. The better this number, 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 number of pixels that the graphics chip could possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

GeForce GTX 470

Radeon RX 460

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