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GeForce GTS 150 vs Radeon R9 270X

Intro

The GeForce GTS 150 uses a 55 nm design. nVidia has set the core frequency at 740 MHz. The GDDR3 RAM runs at a speed of 500 MHz on this model. It features 128 SPUs along with 64 TAUs and 16 ROPs.

Compare those specs to the Radeon R9 270X, which features a GPU core clock speed of 1000 MHz, and 2048 MB of GDDR5 memory set to run at 1400 MHz through a 256-bit bus. It also features 1280 Stream Processors, 80 Texture Address Units, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 150 141 Watts
Radeon R9 270X 180 Watts
Difference: 39 Watts (28%)

Memory Bandwidth

In theory, the Radeon R9 270X is 460% quicker than the GeForce GTS 150 in general, due to its greater data rate. (explain)

Radeon R9 270X 179200 MB/sec
GeForce GTS 150 32000 MB/sec
Difference: 147200 (460%)

Texel Rate

The Radeon R9 270X should be a lot (about 69%) more effective at texture filtering than the GeForce GTS 150. (explain)

Radeon R9 270X 80000 Mtexels/sec
GeForce GTS 150 47360 Mtexels/sec
Difference: 32640 (69%)

Pixel Rate

If using a high resolution is important to you, then the Radeon R9 270X is the winner, and very much so. (explain)

Radeon R9 270X 32000 Mpixels/sec
GeForce GTS 150 11840 Mpixels/sec
Difference: 20160 (170%)

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

Amazon.com

Check prices at:

Radeon R9 270X

Amazon.com

Check prices at:

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 270X
Manufacturer nVidia AMD
Year March 10, 2009 October 2013
Code Name G92b Curacao XT
Memory 1024 MB 2048 MB
Core Speed 740 MHz 1000 MHz
Memory Speed 1000 MHz 5600 MHz
Power (Max TDP) 141 watts 180 watts
Bandwidth 32000 MB/sec 179200 MB/sec
Texel Rate 47360 Mtexels/sec 80000 Mtexels/sec
Pixel Rate 11840 Mpixels/sec 32000 Mpixels/sec
Unified Shaders 128 1280
Texture Mapping Units 64 80
Render Output Units 16 32
Bus Type GDDR3 GDDR5
Bus Width 256-bit 256-bit
Fab Process 55 nm 28 nm
Transistors 754 million 2800 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of data (counted in megabytes per second) that can be transported over the external memory interface in one second. The number is worked out by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's 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 number of texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTS 150

Amazon.com

Check prices at:

Radeon R9 270X

Amazon.com

Check prices at:

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.

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