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GeForce GTX 550 Ti vs Radeon HD 7750

Intro

The GeForce GTX 550 Ti comes with clock speeds of 900 MHz on the GPU, and 1026 MHz on the 1024 MB of GDDR5 memory. It features 192 SPUs as well as 32 TAUs and 24 Rasterization Operator Units.

Compare all that to the Radeon HD 7750, which features a GPU core 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 SPUs, 32 TAUs, and 16 Raster Operation Units.

(No game benchmarks for this combination yet.)

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

Performance-wise, the GeForce GTX 550 Ti should theoretically be a lot better 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 is a little bit (approximately 13%) more effective at 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 will be quite a bit (approximately 69%) faster with regards to full screen anti-aliasing than the Radeon HD 7750, and also able to handle higher resolutions without slowing down too much. (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

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

Model GeForce GTX 550 Ti Radeon HD 7750
Manufacturer nVidia AMD
Year March 2011 February 2012
Code Name GF116 Cape Verde Pro
Fab Process 40 nm 28 nm
Bus PCIe 2.1 x16 PCIe 3.0 x16
Memory 1024 MB 1024 MB
Core Speed 900 MHz 800 MHz
Shader Speed 1800 MHz (N/A) MHz
Memory Speed 1026 MHz (4104 MHz effective) 1125 MHz (4500 MHz effective)
Unified Shaders 192 512
Texture Mapping Units 32 32
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
DirectX Version DirectX 11 DirectX 11.1
OpenGL Version OpenGL 4.1 OpenGL 4.2
Power (Max TDP) 116 watts 55 watts
Shader Model 5.0 5.0
Bandwidth 98496 MB/sec 72000 MB/sec
Texel Rate 28800 Mtexels/sec 25600 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 12800 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of MB per second) that can be transferred across the external memory interface within a second. It is worked out by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 number of texture map elements (texels) that are applied in one second. This is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

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

Comments

2 Responses to “GeForce GTX 550 Ti vs Radeon HD 7750”
[...] 506 GeForce GTX 550 Ti vs Radeon HD 7750 – Performance Comparison Benchmarks @ Hardware Compare [...]
[...] 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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