Radeon HD 7790 vs Radeon R7 370 2G

Intro

Compare all of that to the Radeon R7 370 2G, which features a clock speed of 975 MHz and a GDDR5 memory speed of 1400 MHz. It also uses a 256-bit memory bus, and uses a 28 nm design. It is made up of 1024 SPUs, 64 Texture Address Units, and 32 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 R7 370 2G		5582 points
Radeon HD 7790		4330 points
	Difference: 1252 (29%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7790		85 Watts
Radeon R7 370 2G		110 Watts
	Difference: 25 Watts (29%)

Memory Bandwidth

In theory, the Radeon R7 370 2G is 87% quicker than the Radeon HD 7790 in general, due to its higher data rate. (explain)

Radeon R7 370 2G		179200 MB/sec
Radeon HD 7790		96000 MB/sec
	Difference: 83200 (87%)

Texel Rate

The Radeon R7 370 2G will be a little bit (approximately 11%) better at texture filtering than the Radeon HD 7790. (explain)

Radeon R7 370 2G		62400 Mtexels/sec
Radeon HD 7790		56000 Mtexels/sec
	Difference: 6400 (11%)

Pixel Rate

The Radeon R7 370 2G is much (approximately 95%) more effective at FSAA than the Radeon HD 7790, and also will be capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon R7 370 2G		31200 Mpixels/sec
Radeon HD 7790		16000 Mpixels/sec
	Difference: 15200 (95%)

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 max amount of information (counted in MB per second) that can be moved over the external memory interface within a second. The number is calculated by multiplying the bus width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, 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 are processed in one second. This number is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, 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 most pixels that the graphics chip could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.