Radeon HD 6570 (OEM) 2GB vs Radeon R7 370 4G

Intro

Compare all that to the Radeon R7 370 4G, which has a core clock speed of 975 MHz and a GDDR5 memory frequency of 1400 MHz. It also makes use of a 256-bit bus, and makes use of a 28 nm design. It is comprised of 1024 SPUs, 64 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6570 (OEM) 2GB		50 Watts
Radeon R7 370 4G		110 Watts
	Difference: 60 Watts (120%)

Memory Bandwidth

Theoretically speaking, the Radeon R7 370 4G should be quite a bit faster than the Radeon HD 6570 (OEM) 2GB overall. (explain)

Radeon R7 370 4G		179200 MB/sec
Radeon HD 6570 (OEM) 2GB		64000 MB/sec
	Difference: 115200 (180%)

Texel Rate

The Radeon R7 370 4G will be quite a bit (more or less 300%) more effective at AF than the Radeon HD 6570 (OEM) 2GB. (explain)

Radeon R7 370 4G		62400 Mtexels/sec
Radeon HD 6570 (OEM) 2GB		15600 Mtexels/sec
	Difference: 46800 (300%)

Pixel Rate

The Radeon R7 370 4G is much (about 500%) more effective at AA than the Radeon HD 6570 (OEM) 2GB, and also will be capable of handling higher screen resolutions better. (explain)

Radeon R7 370 4G		31200 Mpixels/sec
Radeon HD 6570 (OEM) 2GB		5200 Mpixels/sec
	Difference: 26000 (500%)

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 maximum amount of information (in units of MB per second) that can be transferred across the external memory interface in one second. It is calculated by multiplying the card's bus width by the speed of its memory. In the case of 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 AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This figure is calculated 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 in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.