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GeForce GTS 150 vs Radeon R9 M375

Intro

The GeForce GTS 150 comes with a GPU core speed of 740 MHz, and the 1024 MB of GDDR3 RAM is set to run at 500 MHz through a 256-bit bus. It also is comprised of 128 SPUs, 64 TAUs, and 16 ROPs.

Compare those specifications to the Radeon R9 M375, which features core speeds of 1015 MHz on the GPU, and 1100 MHz on the 4096 MB of DDR3 memory. It features 640 SPUs as well as 40 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R9 M375, in theory, should be a bit faster than the GeForce GTS 150 in general. (explain)

Radeon R9 M375		35200 MB/sec
GeForce GTS 150		32000 MB/sec
	Difference: 3200 (10%)

Texel Rate

The GeForce GTS 150 will be a small bit (more or less 17%) more effective at anisotropic filtering than the Radeon R9 M375. (explain)

GeForce GTS 150		47360 Mtexels/sec
Radeon R9 M375		40600 Mtexels/sec
	Difference: 6760 (17%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon R9 M375 is a better choice, and very much so. (explain)

Radeon R9 M375		16240 Mpixels/sec
GeForce GTS 150		11840 Mpixels/sec
	Difference: 4400 (37%)

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

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GeForce GTS 150

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Radeon R9 M375

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Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model	GeForce GTS 150	Radeon R9 M375
Manufacturer	nVidia	AMD
Year	March 10, 2009	2015
Code Name	G92b	Cape Verde
Memory	1024 MB	4096 MB
Core Speed	740 MHz	1015 MHz
Memory Speed	1000 MHz	2200 MHz
Power (Max TDP)	141 watts	(Unknown) watts
Bandwidth	32000 MB/sec	35200 MB/sec
Texel Rate	47360 Mtexels/sec	40600 Mtexels/sec
Pixel Rate	11840 Mpixels/sec	16240 Mpixels/sec
Unified Shaders	128	640
Texture Mapping Units	64	40
Render Output Units	16	16
Bus Type	GDDR3	DDR3
Bus Width	256-bit	128-bit
Fab Process	55 nm	28 nm
Transistors	754 million	(Unknown) million
Bus	PCIe x16 2.0	PCIe 3.0 x16
DirectX Version	DirectX 10	DirectX 12
OpenGL Version	OpenGL 3.0	OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in megabytes per second) that can be moved across the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory speed. If it uses DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This is worked out by multiplying the total number 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 in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the card's clock speed. 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 get to the max fill rate.

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