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GeForce GTX 460 2GB vs Radeon RX 460


Intro

The GeForce GTX 460 2GB has a GPU core clock speed of 675 MHz, and the 2048 MB of GDDR5 memory runs at 900 MHz through a 256-bit bus. It also is made up of 336 Stream Processors, 56 TAUs, and 32 ROPs.

Compare those specs to the Radeon RX 460, which has GPU core speed of 1090 MHz, and 4096 MB of GDDR5 memory set to run at 1750 MHz through a 128-bit bus. It also is comprised of 896 Stream Processors, 56 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 75 Watts
GeForce GTX 460 2GB 160 Watts
Difference: 85 Watts (113%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 460 2GB should theoretically be a small bit better than the Radeon RX 460 overall. (explain)

GeForce GTX 460 2GB 115200 MB/sec
Radeon RX 460 112000 MB/sec
Difference: 3200 (3%)

Texel Rate

The Radeon RX 460 will be a lot (approximately 61%) more effective at AF than the GeForce GTX 460 2GB. (explain)

Radeon RX 460 61040 Mtexels/sec
GeForce GTX 460 2GB 37800 Mtexels/sec
Difference: 23240 (61%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 460 2GB is superior to the Radeon RX 460, and very much so. (explain)

GeForce GTX 460 2GB 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 2GB

Radeon RX 460

Specifications

Display Specifications

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Model GeForce GTX 460 2GB Radeon RX 460
Manufacturer nVidia AMD
Year July 2010 August 2016
Code Name GF104 Polaris 11
Memory 2048 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: Memory bandwidth is the largest amount of information (counted in MB per second) that can be transferred across the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total amount of texture units 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 per second.

Pixel Rate: Pixel rate is the maximum number of 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 Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

GeForce GTX 460 2GB

Radeon RX 460

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