Radeon HD 3870 1GB vs Radeon R7 M360

Intro

Compare all of that to the Radeon R7 M360, which has a clock frequency of 1125 MHz and a DDR3 memory frequency of 1000 MHz. It also makes use of a 64-bit memory bus, and uses a 28 nm design. It features 384 SPUs, 24 Texture Address Units, and 8 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon HD 3870 1GB should be 350% quicker than the Radeon R7 M360 overall, because of its greater bandwidth. (explain)

Radeon HD 3870 1GB		72000 MB/sec
Radeon R7 M360		16000 MB/sec
	Difference: 56000 (350%)

Texel Rate

The Radeon R7 M360 should be much (more or less 118%) faster with regards to anisotropic filtering than the Radeon HD 3870 1GB. (explain)

Radeon R7 M360		27000 Mtexels/sec
Radeon HD 3870 1GB		12400 Mtexels/sec
	Difference: 14600 (118%)

Pixel Rate

The Radeon HD 3870 1GB should be a lot (about 38%) faster with regards to full screen anti-aliasing than the Radeon R7 M360, and also will be capable of handling higher screen resolutions without slowing down too much. (explain)

Radeon HD 3870 1GB		12400 Mpixels/sec
Radeon R7 M360		9000 Mpixels/sec
	Difference: 3400 (38%)

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 information (measured in MB per second) that can be transferred past the external memory interface in one second. It's calculated by multiplying the bus width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the graphics 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 amount of pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.