Radeon HD 7850 vs Radeon RX 460 2GB

Intro

Compare that to the Radeon RX 460 2GB, which has core clock speeds of 1090 MHz on the GPU, and 1750 MHz on the 2048 MB of GDDR5 RAM. It features 896 SPUs as well as 56 Texture Address Units and 16 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

Zcash Mining Hash Rate

Radeon HD 7850		171 Sol/s
Radeon RX 460 2GB		117 Sol/s
	Difference: 54 (46%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 2GB		75 Watts
Radeon HD 7850		130 Watts
	Difference: 55 Watts (73%)

Memory Bandwidth

The Radeon HD 7850 should in theory be quite a bit faster than the Radeon RX 460 2GB in general. (explain)

Radeon HD 7850		153600 MB/sec
Radeon RX 460 2GB		112000 MB/sec
	Difference: 41600 (37%)

Texel Rate

The Radeon RX 460 2GB is just a bit (more or less 11%) better at texture filtering than the Radeon HD 7850. (explain)

Radeon RX 460 2GB		61040 Mtexels/sec
Radeon HD 7850		55040 Mtexels/sec
	Difference: 6000 (11%)

Pixel Rate

The Radeon HD 7850 is much (approximately 58%) more effective at AA than the Radeon RX 460 2GB, and also will be capable of handling higher screen resolutions more effectively. (explain)

Radeon HD 7850		27520 Mpixels/sec
Radeon RX 460 2GB		17440 Mpixels/sec
	Difference: 10080 (58%)

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

Specifications

Memory Bandwidth: Bandwidth is the largest amount of data (counted in MB per second) that can be transported over the external memory interface in one second. It's calculated by multiplying the interface width by the speed of its memory. If the card has DDR memory, it must be multiplied by 2 once again. If it uses 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 are applied in one second. This is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.