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GeForce GTX 550 Ti vs Radeon HD 7750

Intro

The GeForce GTX 550 Ti has a GPU core speed of 900 MHz, and the 1024 MB of GDDR5 memory runs at 1026 MHz through a 192-bit bus. It also is comprised of 192 SPUs, 32 Texture Address Units, and 24 Raster Operation Units.

Compare that to the Radeon HD 7750, which comes with GPU clock speed of 800 MHz, and 1024 MB of GDDR5 RAM set to run at 1125 MHz through a 128-bit bus. It also is comprised of 512 Stream Processors, 32 Texture Address Units, and 16 Raster Operation Units.

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 GTX 550 Ti 116 Watts
Difference: 61 Watts (111%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 550 Ti is 37% quicker than the Radeon HD 7750 in general, due to its higher data rate. (explain)

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

Texel Rate

The GeForce GTX 550 Ti should be just a bit (about 13%) better at AF than the Radeon HD 7750. (explain)

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

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 550 Ti is superior to the Radeon HD 7750, and very much so. (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
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 4104 MHz 4500 MHz
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 transported across the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, 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 is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the core clock speed. 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 fill rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max 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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