Radeon RX 460 vs Radeon RX Vega 64

Intro

Compare all that to the Radeon RX Vega 64, which comes with a clock frequency of 1247 MHz and a HBM2 memory frequency of 1890 MHz. It also makes use of a 2048-bit memory bus, and makes use of a 14 nm design. It is made up of 4096 SPUs, 256 TAUs, and 64 Raster Operation Units.

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.

3DMark Fire Strike Graphics Score

Radeon RX Vega 64		21986 points
Radeon RX 460		5595 points
	Difference: 16391 (293%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460		75 Watts
Radeon RX Vega 64		295 Watts
	Difference: 220 Watts (293%)

Memory Bandwidth

The Radeon RX Vega 64, in theory, should perform quite a bit faster than the Radeon RX 460 in general. (explain)

Radeon RX Vega 64		495411 MB/sec
Radeon RX 460		112000 MB/sec
	Difference: 383411 (342%)

Texel Rate

The Radeon RX Vega 64 is a lot (more or less 423%) better at AF than the Radeon RX 460. (explain)

Radeon RX Vega 64		319232 Mtexels/sec
Radeon RX 460		61040 Mtexels/sec
	Difference: 258192 (423%)

Pixel Rate

The Radeon RX Vega 64 will be much (approximately 358%) more effective at full screen anti-aliasing than the Radeon RX 460, and will be capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon RX Vega 64		79808 Mpixels/sec
Radeon RX 460		17440 Mpixels/sec
	Difference: 62368 (358%)

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: Memory bandwidth is the max amount of data (counted in MB per second) that can be moved past the external memory interface within a second. It's worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better 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 number of texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel 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.