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GeForce GTX 550 Ti vs Radeon HD 7750

Intro

The GeForce GTX 550 Ti comes with a clock speed of 900 MHz and a GDDR5 memory speed of 1026 MHz. It also uses a 192-bit memory bus, and uses a 40 nm design. It features 192 SPUs, 32 Texture Address Units, and 24 ROPs.

Compare those specifications to the Radeon HD 7750, which has GPU clock speed of 800 MHz, and 1024 MB of GDDR5 RAM running at 1125 MHz through a 128-bit bus. It also is comprised of 512 Stream Processors, 32 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750 55 Watts
GeForce GTX 550 Ti 116 Watts
Difference: 61 Watts (111%)

Memory Bandwidth

The GeForce GTX 550 Ti should in theory perform a lot faster than the Radeon HD 7750 in general. (explain)

GeForce GTX 550 Ti 98496 MB/sec
Radeon HD 7750 72000 MB/sec
Difference: 26496 (37%)

Texel Rate

The GeForce GTX 550 Ti will be a small bit (more or less 13%) faster with regards to texture filtering than the Radeon HD 7750. (explain)

GeForce GTX 550 Ti 28800 Mtexels/sec
Radeon HD 7750 25600 Mtexels/sec
Difference: 3200 (13%)

Pixel Rate

The GeForce GTX 550 Ti should be a lot (approximately 69%) better at anti-aliasing than the Radeon HD 7750, and able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 550 Ti 21600 Mpixels/sec
Radeon HD 7750 12800 Mpixels/sec
Difference: 8800 (69%)

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 GTX 550 Ti

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 GTX 550 Ti Radeon HD 7750
Manufacturer nVidia AMD
Year March 2011 February 2012
Code Name GF116 Cape Verde Pro
Memory 1024 MB 1024 MB
Core Speed 900 MHz 800 MHz
Memory Speed 4104 MHz 4500 MHz
Power (Max TDP) 116 watts 55 watts
Bandwidth 98496 MB/sec 72000 MB/sec
Texel Rate 28800 Mtexels/sec 25600 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 192 512
Texture Mapping Units 32 32
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1170 million 1500 million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.1
OpenGL Version OpenGL 4.1 OpenGL 4.2

Memory Bandwidth: Bandwidth is the largest amount of information (measured in megabytes per second) that can be transported over the external memory interface within a second. It's worked out by multiplying the bus width by the speed of its memory. In the case of DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Comments

2 Responses to “GeForce GTX 550 Ti vs Radeon HD 7750”
lowest VGA ATI 7750 Double Slot Price in Pakistan - Page 2 says:

[...] 506 GeForce GTX 550 Ti vs Radeon HD 7750 – Performance Comparison Benchmarks @ Hardware Compare [...]

Suggest a Graphic Card - Page 2 says:

[...] Hello Originally Posted by Xzan23 hey go for hd7750...it uses much newer techonology than 550ti and much less power consumption. so it might slightly give u better performance than the 550ti and its just 10800 rs No mate.The GTX 550Ti is far better.See this comparison - GeForce GTX 550 Ti vs Radeon HD 7750 – Performance Comparison Benchmarks @ Hardware Compare [...]

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