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GeForce GTS 150 vs Radeon R9 280X

Intro

The GeForce GTS 150 uses a 55 nm design. nVidia has set the core speed at 740 MHz. The GDDR3 RAM works at a frequency of 500 MHz on this particular model. It features 128 SPUs as well as 64 Texture Address Units and 16 Rasterization Operator Units.

Compare all that to the Radeon R9 280X, which comes with GPU clock speed of 850 MHz, and 3072 MB of GDDR5 memory set to run at 1500 MHz through a 384-bit bus. It also is comprised of 2048 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 150 141 Watts
Radeon R9 280X 250 Watts
Difference: 109 Watts (77%)

Memory Bandwidth

Performance-wise, the Radeon R9 280X should theoretically be a lot superior to the GeForce GTS 150 overall. (explain)

Radeon R9 280X 288000 MB/sec
GeForce GTS 150 32000 MB/sec
Difference: 256000 (800%)

Texel Rate

The Radeon R9 280X is quite a bit (about 130%) better at AF than the GeForce GTS 150. (explain)

Radeon R9 280X 108800 Mtexels/sec
GeForce GTS 150 47360 Mtexels/sec
Difference: 61440 (130%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon R9 280X is a better choice, by a large margin. (explain)

Radeon R9 280X 27200 Mpixels/sec
GeForce GTS 150 11840 Mpixels/sec
Difference: 15360 (130%)

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 280X

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 280X
Manufacturer nVidia AMD
Year March 10, 2009 October 2013
Code Name G92b Tahiti XTL
Memory 1024 MB 3072 MB
Core Speed 740 MHz 850 MHz
Memory Speed 1000 MHz 6000 MHz
Power (Max TDP) 141 watts 250 watts
Bandwidth 32000 MB/sec 288000 MB/sec
Texel Rate 47360 Mtexels/sec 108800 Mtexels/sec
Pixel Rate 11840 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 128 2048
Texture Mapping Units 64 128
Render Output Units 16 32
Bus Type GDDR3 GDDR5
Bus Width 256-bit 384-bit
Fab Process 55 nm 28 nm
Transistors 754 million 4313 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 maximum amount of information (in units of MB per second) that can be transported across the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, 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 processed per second. This figure is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the core 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 quite a few other factors, especially the memory bandwidth of the card - the lower the memory 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 280X

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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