Radeon HD 7990 vs Radeon Vega Frontier Edition

Intro

Compare those specs to the Radeon Vega Frontier Edition, which has a core clock speed of 1382 MHz and a HBM2 memory speed of 1890 MHz. It also uses a 2048-bit bus, and makes use of a 14 nm design. It features 4096 SPUs, 256 TAUs, and 64 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.

3DMark Fire Strike Graphics Score

Radeon Vega Frontier Edition		21379 points
Radeon HD 7990		15520 points
	Difference: 5859 (38%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon Vega Frontier Edition		300 Watts
Radeon HD 7990		375 Watts
	Difference: 75 Watts (25%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 7990 should be a bit faster than the Radeon Vega Frontier Edition overall. (explain)

Radeon HD 7990		576000 MB/sec
Radeon Vega Frontier Edition		495452 MB/sec
	Difference: 80548 (16%)

Texel Rate

The Radeon Vega Frontier Edition should be a lot (about 45%) faster with regards to AF than the Radeon HD 7990. (explain)

Radeon Vega Frontier Edition		353792 Mtexels/sec
Radeon HD 7990		243200 Mtexels/sec
	Difference: 110592 (45%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon Vega Frontier Edition is the winner, by a large margin. (explain)

Radeon Vega Frontier Edition		88448 Mpixels/sec
Radeon HD 7990		60800 Mpixels/sec
	Difference: 27648 (45%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the max amount of information (in units of MB per second) that can be transferred over the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster 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 amount of texture map elements (texels) that are processed in one second. This is worked out by multiplying the total texture units by the core speed of the chip. The better this number, the better the video card will be at 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 worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.