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GeForce GT 220 GDDR3 vs Radeon R5 M255

Intro

The GeForce GT 220 GDDR3 has a core clock frequency of 625 MHz and a GDDR3 memory frequency of 1012 MHz. It also makes use of a 128-bit memory bus, and uses a 40 nm design. It is comprised of 48 SPUs, 16 TAUs, and 8 Raster Operation Units.

Compare those specifications to the Radeon R5 M255, which makes use of a 28 nm design. AMD has set the core frequency at 940 MHz. The DDR3 memory works at a speed of 1000 MHz on this card. It features 320 SPUs along with 20 Texture Address Units and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the GeForce GT 220 GDDR3 will be 102% faster than the Radeon R5 M255 in general, due to its higher data rate. (explain)

GeForce GT 220 GDDR3 32384 MB/sec
Radeon R5 M255 16000 MB/sec
Difference: 16384 (102%)

Texel Rate

The Radeon R5 M255 is much (more or less 88%) more effective at AF than the GeForce GT 220 GDDR3. (explain)

Radeon R5 M255 18800 Mtexels/sec
GeForce GT 220 GDDR3 10000 Mtexels/sec
Difference: 8800 (88%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon R5 M255 is a better choice, by a large margin. (explain)

Radeon R5 M255 7520 Mpixels/sec
GeForce GT 220 GDDR3 5000 Mpixels/sec
Difference: 2520 (50%)

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:

Radeon R5 M255

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 Radeon R5 M255
Manufacturer nVidia AMD
Year October 2009 June 2014
Code Name GT216 Jet Pro
Memory 512 MB 2048 MB
Core Speed 625 MHz 940 MHz
Memory Speed 2024 MHz 2000 MHz
Power (Max TDP) 58 watts (Unknown) watts
Bandwidth 32384 MB/sec 16000 MB/sec
Texel Rate 10000 Mtexels/sec 18800 Mtexels/sec
Pixel Rate 5000 Mpixels/sec 7520 Mpixels/sec
Unified Shaders 48 320
Texture Mapping Units 16 20
Render Output Units 8 8
Bus Type GDDR3 DDR3
Bus Width 128-bit 64-bit
Fab Process 40 nm 28 nm
Transistors 486 million (Unknown) million
Bus PCIe 2.0 PCIe 3.0 x8
DirectX Version DirectX 10.1 DirectX 11.2
OpenGL Version OpenGL 3.2 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of information (in units of MB per second) that can be transferred past the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units 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 fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GT 220 GDDR3

Amazon.com

Check prices at:

Radeon R5 M255

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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