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GeForce GT 220 GDDR3 vs GeForce GTX 850M

Intro

The GeForce GT 220 GDDR3 makes use of a 40 nm design. nVidia has clocked the core frequency at 625 MHz. The GDDR3 RAM runs at a speed of 1012 MHz on this card. It features 48 SPUs along with 16 TAUs and 8 ROPs.

Compare those specifications to the GeForce GTX 850M, which features a core clock speed of 876 MHz and a DDR3 memory frequency of 1000 MHz. It also makes use of a 128-bit memory bus, and uses a 28 nm design. It features 640 SPUs, 40 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 850M 40 Watts
GeForce GT 220 GDDR3 58 Watts
Difference: 18 Watts (45%)

Memory Bandwidth

Performance-wise, the GeForce GT 220 GDDR3 should in theory be a little bit better than the GeForce GTX 850M overall. (explain)

GeForce GT 220 GDDR3 32384 MB/sec
GeForce GTX 850M 32000 MB/sec
Difference: 384 (1%)

Texel Rate

The GeForce GTX 850M should be a lot (approximately 250%) more effective at AF than the GeForce GT 220 GDDR3. (explain)

GeForce GTX 850M 35040 Mtexels/sec
GeForce GT 220 GDDR3 10000 Mtexels/sec
Difference: 25040 (250%)

Pixel Rate

The GeForce GTX 850M will be a lot (about 180%) more effective at anti-aliasing than the GeForce GT 220 GDDR3, and should be able to handle higher resolutions without slowing down too much. (explain)

GeForce GTX 850M 14016 Mpixels/sec
GeForce GT 220 GDDR3 5000 Mpixels/sec
Difference: 9016 (180%)

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 220 GDDR3

Amazon.com

Check prices at:

GeForce GTX 850M

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 GT 220 GDDR3 GeForce GTX 850M
Manufacturer nVidia nVidia
Year October 2009 March 12 2014
Code Name GT216 GM107
Memory 512 MB 2048 MB
Core Speed 625 MHz 876 MHz
Memory Speed 2024 MHz 2000 MHz
Power (Max TDP) 58 watts 40 watts
Bandwidth 32384 MB/sec 32000 MB/sec
Texel Rate 10000 Mtexels/sec 35040 Mtexels/sec
Pixel Rate 5000 Mpixels/sec 14016 Mpixels/sec
Unified Shaders 48 640
Texture Mapping Units 16 40
Render Output Units 8 16
Bus Type GDDR3 DDR3
Bus Width 128-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 486 million (Unknown) million
Bus PCIe 2.0 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 12
OpenGL Version OpenGL 3.2 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of information (in units of megabytes per second) that can be moved across the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total texture units of the card by the core clock 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 in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 220 GDDR3

Amazon.com

Check prices at:

GeForce GTX 850M

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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