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GeForce GTS 150 vs Radeon R9 M265X

Intro

The GeForce GTS 150 features a clock speed of 740 MHz and a GDDR3 memory speed of 500 MHz. It also features a 256-bit bus, and makes use of a 55 nm design. It features 128 SPUs, 64 TAUs, and 16 ROPs.

Compare that to the Radeon R9 M265X, which uses a 28 nm design. AMD has set the core frequency at 575 MHz. The GDDR5 RAM works at a frequency of 1125 MHz on this particular card. It features 640 SPUs as well as 40 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon R9 M265X should be 125% quicker than the GeForce GTS 150 overall, because of its greater bandwidth. (explain)

Radeon R9 M265X 72000 MB/sec
GeForce GTS 150 32000 MB/sec
Difference: 40000 (125%)

Texel Rate

The GeForce GTS 150 should be much (about 106%) faster with regards to anisotropic filtering than the Radeon R9 M265X. (explain)

GeForce GTS 150 47360 Mtexels/sec
Radeon R9 M265X 23000 Mtexels/sec
Difference: 24360 (106%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTS 150 is the winner, by a large margin. (explain)

GeForce GTS 150 11840 Mpixels/sec
Radeon R9 M265X 9200 Mpixels/sec
Difference: 2640 (29%)

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 M265X

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 M265X
Manufacturer nVidia AMD
Year March 10, 2009 May 1 2014
Code Name G92b Venus Pro
Memory 1024 MB 2048 MB
Core Speed 740 MHz 575 MHz
Memory Speed 1000 MHz 4500 MHz
Power (Max TDP) 141 watts (Unknown) watts
Bandwidth 32000 MB/sec 72000 MB/sec
Texel Rate 47360 Mtexels/sec 23000 Mtexels/sec
Pixel Rate 11840 Mpixels/sec 9200 Mpixels/sec
Unified Shaders 128 640
Texture Mapping Units 64 40
Render Output Units 16 16
Bus Type GDDR3 GDDR5
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 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be transferred over the external memory interface within a second. It is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster 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 texture map elements (texels) that are processed in one second. This is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, 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 that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTS 150

Amazon.com

Check prices at:

Radeon R9 M265X

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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