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GeForce GTS 150 vs Radeon R7 240

Intro

The GeForce GTS 150 makes use of a 55 nm design. nVidia has clocked the core speed at 740 MHz. The GDDR3 RAM is set to run at a speed 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 of that to the Radeon R7 240, which makes use of a 28 nm design. AMD has set the core speed at 730 MHz. The DDR3 memory runs at a speed of 900 MHz on this specific model. It features 320 SPUs along with 20 TAUs and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 240 30 Watts
GeForce GTS 150 141 Watts
Difference: 111 Watts (370%)

Memory Bandwidth

In theory, the GeForce GTS 150 will be 11% faster than the Radeon R7 240 overall, due to its higher bandwidth. (explain)

GeForce GTS 150 32000 MB/sec
Radeon R7 240 28800 MB/sec
Difference: 3200 (11%)

Texel Rate

The GeForce GTS 150 will be a lot (approximately 224%) better at texture filtering than the Radeon R7 240. (explain)

GeForce GTS 150 47360 Mtexels/sec
Radeon R7 240 14600 Mtexels/sec
Difference: 32760 (224%)

Pixel Rate

The GeForce GTS 150 will be a lot (about 103%) faster with regards to full screen anti-aliasing than the Radeon R7 240, and also will be capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTS 150 11840 Mpixels/sec
Radeon R7 240 5840 Mpixels/sec
Difference: 6000 (103%)

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

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Radeon R7 240

Amazon.com

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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 R7 240
Manufacturer nVidia AMD
Year March 10, 2009 October 2013
Code Name G92b Oland PRO
Memory 1024 MB 2048 MB
Core Speed 740 MHz 730 MHz
Memory Speed 1000 MHz 1800 MHz
Power (Max TDP) 141 watts 30 watts
Bandwidth 32000 MB/sec 28800 MB/sec
Texel Rate 47360 Mtexels/sec 14600 Mtexels/sec
Pixel Rate 11840 Mpixels/sec 5840 Mpixels/sec
Unified Shaders 128 320
Texture Mapping Units 64 20
Render Output Units 16 8
Bus Type GDDR3 DDR3
Bus Width 256-bit 128-bit
Fab Process 55 nm 28 nm
Transistors 754 million 1040 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 (measured in megabytes per second) that can be transferred over the external memory interface in one second. It is worked out by multiplying the interface width by its memory speed. If it uses DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 number of texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTS 150

Amazon.com

Check prices at:

Radeon R7 240

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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