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GeForce GTS 150 vs Radeon HD 7850

Intro

The GeForce GTS 150 comes with a GPU core clock 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 Stream Processors, 64 Texture Address Units, and 16 ROPs.

Compare all of that to the Radeon HD 7850, which comes with GPU clock speed of 860 MHz, and 2048 MB of GDDR5 RAM running at 1200 MHz through a 256-bit bus. It also is comprised of 1024 SPUs, 64 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7850 130 Watts
GeForce GTS 150 141 Watts
Difference: 11 Watts (8%)

Memory Bandwidth

The Radeon HD 7850 should theoretically perform a lot faster than the GeForce GTS 150 in general. (explain)

Radeon HD 7850 153600 MB/sec
GeForce GTS 150 32000 MB/sec
Difference: 121600 (380%)

Texel Rate

The Radeon HD 7850 should be just a bit (about 16%) faster with regards to texture filtering than the GeForce GTS 150. (explain)

Radeon HD 7850 55040 Mtexels/sec
GeForce GTS 150 47360 Mtexels/sec
Difference: 7680 (16%)

Pixel Rate

If using a high resolution is important to you, then the Radeon HD 7850 is the winner, by far. (explain)

Radeon HD 7850 27520 Mpixels/sec
GeForce GTS 150 11840 Mpixels/sec
Difference: 15680 (132%)

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 HD 7850

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 HD 7850
Manufacturer nVidia AMD
Year March 10, 2009 March 2012
Code Name G92b Pitcairn Pro
Memory 1024 MB 2048 MB
Core Speed 740 MHz 860 MHz
Memory Speed 1000 MHz 4800 MHz
Power (Max TDP) 141 watts 130 watts
Bandwidth 32000 MB/sec 153600 MB/sec
Texel Rate 47360 Mtexels/sec 55040 Mtexels/sec
Pixel Rate 11840 Mpixels/sec 27520 Mpixels/sec
Unified Shaders 128 1024
Texture Mapping Units 64 64
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 11.1
OpenGL Version OpenGL 3.0 OpenGL 4.2

Memory Bandwidth: Bandwidth is the max amount of information (measured in MB per second) that can be moved over 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 RAM, it should be multiplied by 2 once 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, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This number is worked out by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the graphics 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 the video card can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the card's 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 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 reach the max fill rate.

Display Prices

Hide Prices

GeForce GTS 150

Amazon.com

Check prices at:

Radeon HD 7850

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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