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GeForce GT 240 GDDR5 1GB vs Radeon R9 Nano

Intro

The GeForce GT 240 GDDR5 1GB features a GPU core clock speed of 550 MHz, and the 1024 MB of GDDR5 RAM is set to run at 850 MHz through a 128-bit bus. It also is made up of 96 SPUs, 32 TAUs, and 8 Raster Operation Units.

Compare that to the Radeon R9 Nano, which makes use of a 28 nm design. AMD has set the core speed at 1000 MHz. The HBM memory works at a speed of 500 MHz on this model. It features 4096 SPUs along with 256 Texture Address Units and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 240 GDDR5 1GB 70 Watts
Radeon R9 Nano 175 Watts
Difference: 105 Watts (150%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 Nano is 841% faster than the GeForce GT 240 GDDR5 1GB in general, because of its higher data rate. (explain)

Radeon R9 Nano 512000 MB/sec
GeForce GT 240 GDDR5 1GB 54400 MB/sec
Difference: 457600 (841%)

Texel Rate

The Radeon R9 Nano will be much (about 1355%) better at anisotropic filtering than the GeForce GT 240 GDDR5 1GB. (explain)

Radeon R9 Nano 256000 Mtexels/sec
GeForce GT 240 GDDR5 1GB 17600 Mtexels/sec
Difference: 238400 (1355%)

Pixel Rate

The Radeon R9 Nano should be a lot (about 1355%) faster with regards to anti-aliasing than the GeForce GT 240 GDDR5 1GB, and also should be capable of handling higher resolutions without slowing down too much. (explain)

Radeon R9 Nano 64000 Mpixels/sec
GeForce GT 240 GDDR5 1GB 4400 Mpixels/sec
Difference: 59600 (1355%)

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 GT 240 GDDR5 1GB

Amazon.com

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Radeon R9 Nano

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 GT 240 GDDR5 1GB Radeon R9 Nano
Manufacturer nVidia AMD
Year November 2009 September 2015
Code Name GT215 Fiji XT
Memory 1024 MB 4096 MB
Core Speed 550 MHz 1000 MHz
Memory Speed 3400 MHz 500 MHz
Power (Max TDP) 70 watts 175 watts
Bandwidth 54400 MB/sec 512000 MB/sec
Texel Rate 17600 Mtexels/sec 256000 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 64000 Mpixels/sec
Unified Shaders 96 4096
Texture Mapping Units 32 256
Render Output Units 8 64
Bus Type GDDR5 HBM
Bus Width 128-bit 4096-bit
Fab Process 40 nm 28 nm
Transistors 289 million 8900 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 12.0
OpenGL Version OpenGL 3.2 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transported past the external memory interface in a second. It is calculated by multiplying the bus width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better 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 can be processed per second. This number is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

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

Display Prices

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GeForce GT 240 GDDR5 1GB

Amazon.com

Check prices at:

Radeon R9 Nano

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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