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GeForce GT 240 GDDR5 vs Radeon HD 7750

Intro

The GeForce GT 240 GDDR5 has a GPU core speed of 550 MHz, and the 512 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 ROPs.

Compare those specifications to the Radeon HD 7750, which uses a 28 nm design. AMD has set the core frequency at 800 MHz. The GDDR5 memory runs at a speed of 1125 MHz on this specific model. It features 512 SPUs along with 32 TAUs and 16 ROPs.

Display Graphs

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(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750 55 Watts
GeForce GT 240 GDDR5 70 Watts
Difference: 15 Watts (27%)

Memory Bandwidth

Performance-wise, the Radeon HD 7750 should theoretically be quite a bit superior to the GeForce GT 240 GDDR5 in general. (explain)

Radeon HD 7750 72000 MB/sec
GeForce GT 240 GDDR5 54400 MB/sec
Difference: 17600 (32%)

Texel Rate

The Radeon HD 7750 will be a lot (approximately 45%) better at AF than the GeForce GT 240 GDDR5. (explain)

Radeon HD 7750 25600 Mtexels/sec
GeForce GT 240 GDDR5 17600 Mtexels/sec
Difference: 8000 (45%)

Pixel Rate

The Radeon HD 7750 should be a lot (about 191%) faster with regards to AA than the GeForce GT 240 GDDR5, and also able to handle higher screen resolutions better. (explain)

Radeon HD 7750 12800 Mpixels/sec
GeForce GT 240 GDDR5 4400 Mpixels/sec
Difference: 8400 (191%)

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

Amazon.com

Radeon HD 7750

Amazon.com

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 Radeon HD 7750
Manufacturer nVidia AMD
Year Novermber 2009 February 2012
Code Name GT215 Cape Verde Pro
Fab Process 40 nm 28 nm
Bus PCIe x16 PCIe 3.0 x16
Memory 512 MB 1024 MB
Core Speed 550 MHz 800 MHz
Shader Speed 1360 MHz (N/A) MHz
Memory Speed 850 MHz (3400 MHz effective) 1125 MHz (4500 MHz effective)
Unified Shaders 96 512
Texture Mapping Units 32 32
Render Output Units 8 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
DirectX Version DirectX 10.1 DirectX 11.1
OpenGL Version OpenGL 3.2 OpenGL 4.2
Power (Max TDP) 70 watts 55 watts
Shader Model 4.1 5.0
Bandwidth 54400 MB/sec 72000 MB/sec
Texel Rate 17600 Mtexels/sec 25600 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 12800 Mpixels/sec

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in megabytes per second) that can be moved past the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory speed. In the case of DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better the texel rate, the better the 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 number of pixels the graphics card can possibly record to the local memory in one 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 - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

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