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GeForce GT 210 vs Radeon HD 7770

Intro

The GeForce GT 210 features a GPU core speed of 589 MHz, and the 512 MB of DDR3 RAM runs at 800 MHz through a 64-bit bus. It also is comprised of 16 SPUs, 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 RAM running at 1125 MHz through a 128-bit bus. It also features 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

(No game benchmarks for this combination yet.)

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

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

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

Texel Rate

The Radeon HD 7770 should be much (more or less 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 should be much (about 579%) more effective at FSAA than the GeForce GT 210, and also should be capable of handling higher screen 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

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

Model GeForce GT 210 Radeon HD 7770
Manufacturer nVidia AMD
Year October 2009 February 2012
Code Name GT218 Cape Verde XT
Fab Process 40 nm 28 nm
Bus PCIe 2.0 PCIe 3.0 x16
Memory 512 MB 1024 MB
Core Speed 589 MHz 1000 MHz
Shader Speed 1402 MHz (N/A) MHz
Memory Speed 800 MHz (1600 MHz effective) 1125 MHz (4500 MHz effective)
Unified Shaders 16 640
Texture Mapping Units 8 40
Render Output Units 4 16
Bus Type DDR3 GDDR5
Bus Width 64-bit 128-bit
DirectX Version DirectX 10.1 DirectX 11.1
OpenGL Version OpenGL 3.2 OpenGL 4.2
Power (Max TDP) 31 watts 80 watts
Shader Model 4.1 5.0
Bandwidth 12800 MB/sec 72000 MB/sec
Texel Rate 4712 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 2356 Mpixels/sec 16000 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of MB per second) that can be transported past the external memory interface within a second. The number is worked out by multiplying the interface width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher 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 number of texture map elements (texels) that are applied per second. This is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to its local memory per 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 called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

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