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GeForce GT 210 vs Radeon HD 7770

Intro

The GeForce GT 210 features a GPU core clock speed of 589 MHz, and the 512 MB of DDR3 RAM is set to run at 800 MHz through a 64-bit bus. It also features 16 Stream Processors, 8 TAUs, and 4 Raster Operation Units.

Compare all of that to the Radeon HD 7770, which uses a 28 nm design. AMD has set the core frequency at 1000 MHz. The GDDR5 RAM runs at a frequency of 1125 MHz on this particular card. It features 640 SPUs along with 40 Texture Address Units and 16 Rasterization Operator 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 speaking, the Radeon HD 7770 should be 463% faster than the GeForce GT 210 overall, due to its greater bandwidth. (explain)

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

Texel Rate

The Radeon HD 7770 should be quite a bit (approximately 749%) faster with regards to anisotropic filtering than the GeForce GT 210. (explain)

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

Pixel Rate

If using high levels of AA is important to you, then the Radeon HD 7770 is the winner, by far. (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: Bandwidth is the max amount of data (measured in MB per second) that can be transported past the external memory interface in a second. It is worked out by multiplying the interface width by its memory clock speed. In the case of DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This is worked out by multiplying the total texture units by the core speed of the chip. The higher this number, the better the video 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 amount of pixels that the graphics chip can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

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