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GeForce 820M vs GeForce GT 210

Intro

The GeForce 820M uses a 28 nm design. nVidia has clocked the core frequency at 719 MHz. The DDR3 RAM is set to run at a speed of 1000 MHz on this specific model. It features 96 SPUs along with 16 TAUs and 4 ROPs.

Compare all of that to the GeForce GT 210, which has GPU core speed of 589 MHz, and 512 MB of DDR3 RAM running at 800 MHz through a 64-bit bus. It also is made up of 16 Stream Processors, 8 Texture Address Units, and 4 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 820M 15 Watts
GeForce GT 210 31 Watts
Difference: 16 Watts (107%)

Memory Bandwidth

Theoretically, the GeForce 820M should be a lot faster than the GeForce GT 210 overall. (explain)

GeForce 820M 16000 MB/sec
GeForce GT 210 12800 MB/sec
Difference: 3200 (25%)

Texel Rate

The GeForce 820M will be quite a bit (more or less 144%) faster with regards to AF than the GeForce GT 210. (explain)

GeForce 820M 11504 Mtexels/sec
GeForce GT 210 4712 Mtexels/sec
Difference: 6792 (144%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce 820M is a better choice, by a large margin. (explain)

GeForce 820M 2876 Mpixels/sec
GeForce GT 210 2356 Mpixels/sec
Difference: 520 (22%)

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 820M

Amazon.com

Check prices at:

GeForce GT 210

Amazon.com

Check prices at:

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 820M GeForce GT 210
Manufacturer nVidia nVidia
Year February 2014 October 2009
Code Name GF117 GT218
Memory 2048 MB 512 MB
Core Speed 719 MHz 589 MHz
Memory Speed 2000 MHz 1600 MHz
Power (Max TDP) 15 watts 31 watts
Bandwidth 16000 MB/sec 12800 MB/sec
Texel Rate 11504 Mtexels/sec 4712 Mtexels/sec
Pixel Rate 2876 Mpixels/sec 2356 Mpixels/sec
Unified Shaders 96 16
Texture Mapping Units 16 8
Render Output Units 4 4
Bus Type DDR3 DDR3
Bus Width 64-bit 64-bit
Fab Process 28 nm 40 nm
Transistors (Unknown) million 260 million
Bus PCIe 2.0 x16 PCIe 2.0
DirectX Version DirectX 12 DirectX 10.1
OpenGL Version OpenGL 4.5 OpenGL 3.2

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be transported past the external memory interface within a second. The number is calculated by multiplying the bus width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, 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 number of texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher 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 could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the card's 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 output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce 820M

Amazon.com

Check prices at:

GeForce GT 210

Amazon.com

Check prices at:

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.

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