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GeForce GT 210 vs Radeon HD 7770

Intro

The GeForce GT 210 uses a 40 nm design. nVidia has clocked the core frequency at 589 MHz. The DDR3 RAM runs at a frequency of 800 MHz on this particular model. It features 16 SPUs along with 8 Texture Address Units and 4 ROPs.

Compare that to the Radeon HD 7770, which features GPU core speed of 1000 MHz, and 1024 MB of GDDR5 memory set to run at 1125 MHz through a 128-bit bus. It also features 640 Stream Processors, 40 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 210 31 Watts
Radeon HD 7770 80 Watts
Difference: 49 Watts (158%)

Memory Bandwidth

The Radeon HD 7770, in theory, should be quite a bit faster than the GeForce GT 210 overall. (explain)

Radeon HD 7770 72000 MB/sec
GeForce GT 210 12800 MB/sec
Difference: 59200 (463%)

Texel Rate

The Radeon HD 7770 will be quite a bit (about 749%) faster with regards to AF than the GeForce GT 210. (explain)

Radeon HD 7770 40000 Mtexels/sec
GeForce GT 210 4712 Mtexels/sec
Difference: 35288 (749%)

Pixel Rate

The Radeon HD 7770 will be much (more or less 579%) better at FSAA than the GeForce GT 210, and should be able to handle higher resolutions better. (explain)

Radeon HD 7770 16000 Mpixels/sec
GeForce GT 210 2356 Mpixels/sec
Difference: 13644 (579%)

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 210

Amazon.com

Radeon HD 7770

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 210 Radeon HD 7770
Manufacturer nVidia AMD
Year October 2009 February 2012
Code Name GT218 Cape Verde XT
Memory 512 MB 1024 MB
Core Speed 589 MHz 1000 MHz
Memory Speed 1600 MHz 4500 MHz
Power (Max TDP) 31 watts 80 watts
Bandwidth 12800 MB/sec 72000 MB/sec
Texel Rate 4712 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 2356 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 16 640
Texture Mapping Units 8 40
Render Output Units 4 16
Bus Type DDR3 GDDR5
Bus Width 64-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 260 million 1500 million
Bus PCIe 2.0 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 11.1
OpenGL Version OpenGL 3.2 OpenGL 4.2

Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be transported over the external memory interface in a second. The number is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per 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 video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs 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 rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

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