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GeForce GT 220 GDDR3 vs Radeon R9 M270X

Intro

The GeForce GT 220 GDDR3 uses a 40 nm design. nVidia has clocked the core frequency at 625 MHz. The GDDR3 memory is set to run at a speed of 1012 MHz on this particular model. It features 48 SPUs as well as 16 TAUs and 8 ROPs.

Compare those specs to the Radeon R9 M270X, which makes use of a 28 nm design. AMD has clocked the core frequency at 725 MHz. The GDDR5 RAM works at a frequency of 1125 MHz on this card. It features 640 SPUs along with 40 Texture Address Units and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the Radeon R9 M270X should theoretically be much superior to the GeForce GT 220 GDDR3 overall. (explain)

Radeon R9 M270X 72000 MB/sec
GeForce GT 220 GDDR3 32384 MB/sec
Difference: 39616 (122%)

Texel Rate

The Radeon R9 M270X will be a lot (approximately 190%) faster with regards to AF than the GeForce GT 220 GDDR3. (explain)

Radeon R9 M270X 29000 Mtexels/sec
GeForce GT 220 GDDR3 10000 Mtexels/sec
Difference: 19000 (190%)

Pixel Rate

If using a high resolution is important to you, then the Radeon R9 M270X is the winner, and very much so. (explain)

Radeon R9 M270X 11600 Mpixels/sec
GeForce GT 220 GDDR3 5000 Mpixels/sec
Difference: 6600 (132%)

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

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Radeon R9 M270X

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 R9 M270X
Manufacturer nVidia AMD
Year October 2009 May 1 2014
Code Name GT216 Venus XT
Memory 512 MB 2048 MB
Core Speed 625 MHz 725 MHz
Memory Speed 2024 MHz 4500 MHz
Power (Max TDP) 58 watts (Unknown) watts
Bandwidth 32384 MB/sec 72000 MB/sec
Texel Rate 10000 Mtexels/sec 29000 Mtexels/sec
Pixel Rate 5000 Mpixels/sec 11600 Mpixels/sec
Unified Shaders 48 640
Texture Mapping Units 16 40
Render Output Units 8 16
Bus Type GDDR3 GDDR5
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 11.2
OpenGL Version OpenGL 3.2 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum 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 card's interface width by its memory clock speed. If it uses DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, 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 amount of texture map elements (texels) that are processed per second. This is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The higher the texel rate, the better the video card will be at 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 the video card could 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 Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GT 220 GDDR3

Amazon.com

Check prices at:

Radeon R9 M270X

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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