GeForce GTX 850M vs Radeon HD 7950 3GB

Intro

Compare all of that to the Radeon HD 7950 3GB, which makes use of a 28 nm design. AMD has clocked the core speed at 800 MHz. The GDDR5 memory works at a speed of 1250 MHz on this specific card. It features 1792 SPUs along with 112 Texture Address Units and 32 Rasterization Operator 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.

Zcash Mining Hash Rate

Radeon HD 7950 3GB		229 Sol/s
GeForce GTX 850M		49 Sol/s
	Difference: 180 (367%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 850M		40 Watts
Radeon HD 7950 3GB		200 Watts
	Difference: 160 Watts (400%)

Memory Bandwidth

Theoretically, the Radeon HD 7950 3GB should be quite a bit faster than the GeForce GTX 850M in general. (explain)

Radeon HD 7950 3GB		240000 MB/sec
GeForce GTX 850M		32000 MB/sec
	Difference: 208000 (650%)

Texel Rate

The Radeon HD 7950 3GB should be a lot (approximately 156%) better at anisotropic filtering than the GeForce GTX 850M. (explain)

Radeon HD 7950 3GB		89600 Mtexels/sec
GeForce GTX 850M		35040 Mtexels/sec
	Difference: 54560 (156%)

Pixel Rate

The Radeon HD 7950 3GB is quite a bit (about 83%) more effective at FSAA than the GeForce GTX 850M, and should be capable of handling higher resolutions more effectively. (explain)

Radeon HD 7950 3GB		25600 Mpixels/sec
GeForce GTX 850M		14016 Mpixels/sec
	Difference: 11584 (83%)

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 transferred past the external memory interface in a second. It's calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.