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GeForce GTX 460 1GB vs Radeon RX 460


Intro

The GeForce GTX 460 1GB comes with a GPU clock speed of 675 MHz, and the 1024 MB of GDDR5 RAM is set to run at 900 MHz through a 256-bit bus. It also features 336 SPUs, 56 Texture Address Units, and 32 Raster Operation Units.

Compare that to the Radeon RX 460, which makes use of a 14 nm design. AMD has clocked the core speed at 1090 MHz. The GDDR5 RAM works at a speed of 1750 MHz on this model. It features 896 SPUs as well as 56 Texture Address Units 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 460 1GB 160 Watts
Difference: 85 Watts (113%)

Memory Bandwidth

In theory, the GeForce GTX 460 1GB is 3% faster than the Radeon RX 460 in general, due to its greater bandwidth. (explain)

GeForce GTX 460 1GB 115200 MB/sec
Radeon RX 460 112000 MB/sec
Difference: 3200 (3%)

Texel Rate

The Radeon RX 460 will be a lot (more or less 61%) faster with regards to texture filtering than the GeForce GTX 460 1GB. (explain)

Radeon RX 460 61040 Mtexels/sec
GeForce GTX 460 1GB 37800 Mtexels/sec
Difference: 23240 (61%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 460 1GB is superior to the Radeon RX 460, by a large margin. (explain)

GeForce GTX 460 1GB 21600 Mpixels/sec
Radeon RX 460 17440 Mpixels/sec
Difference: 4160 (24%)

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 460 1GB

Radeon RX 460

Specifications

Display Specifications

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Model GeForce GTX 460 1GB Radeon RX 460
Manufacturer nVidia AMD
Year July 2010 August 2016
Code Name GF104 Polaris 11
Memory 1024 MB 4096 MB
Core Speed 675 MHz 1090 MHz
Memory Speed 3600 MHz 7000 MHz
Power (Max TDP) 160 watts 75 watts
Bandwidth 115200 MB/sec 112000 MB/sec
Texel Rate 37800 Mtexels/sec 61040 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 17440 Mpixels/sec
Unified Shaders 336 896
Texture Mapping Units 56 56
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 40 nm 14 nm
Transistors 1950 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: Bandwidth is the max amount of data (counted in megabytes per second) that can be transferred across the external memory interface within a second. It's calculated by multiplying the card's interface width by its memory speed. If the card has DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs 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 is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

GeForce GTX 460 1GB

Radeon RX 460

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