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GeForce GT 220 GDDR3 vs Radeon HD 6450 (OEM) 1GB

Intro

The GeForce GT 220 GDDR3 has a GPU core clock speed of 625 MHz, and the 512 MB of GDDR3 RAM is set to run at 1012 MHz through a 128-bit bus. It also is comprised of 48 SPUs, 16 Texture Address Units, and 8 Raster Operation Units.

Compare those specifications to the Radeon HD 6450 (OEM) 1GB, which comes with core speeds of 750 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR5 memory. It features 160 SPUs as well as 8 Texture Address Units and 4 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6450 (OEM) 1GB 31 Watts
GeForce GT 220 GDDR3 58 Watts
Difference: 27 Watts (87%)

Memory Bandwidth

Theoretically speaking, the GeForce GT 220 GDDR3 is 12% quicker than the Radeon HD 6450 (OEM) 1GB in general, because of its greater data rate. (explain)

GeForce GT 220 GDDR3 32384 MB/sec
Radeon HD 6450 (OEM) 1GB 28800 MB/sec
Difference: 3584 (12%)

Texel Rate

The GeForce GT 220 GDDR3 should be quite a bit (approximately 67%) more effective at AF than the Radeon HD 6450 (OEM) 1GB. (explain)

GeForce GT 220 GDDR3 10000 Mtexels/sec
Radeon HD 6450 (OEM) 1GB 6000 Mtexels/sec
Difference: 4000 (67%)

Pixel Rate

The GeForce GT 220 GDDR3 will be a lot (more or less 67%) better at full screen anti-aliasing than the Radeon HD 6450 (OEM) 1GB, and will be able to handle higher screen resolutions while still performing well. (explain)

GeForce GT 220 GDDR3 5000 Mpixels/sec
Radeon HD 6450 (OEM) 1GB 3000 Mpixels/sec
Difference: 2000 (67%)

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 HD 6450 (OEM) 1GB

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 HD 6450 (OEM) 1GB
Manufacturer nVidia AMD
Year October 2009 February 2011
Code Name GT216 Caicos
Memory 512 MB 1024 MB
Core Speed 625 MHz 750 MHz
Memory Speed 2024 MHz 3600 MHz
Power (Max TDP) 58 watts 31 watts
Bandwidth 32384 MB/sec 28800 MB/sec
Texel Rate 10000 Mtexels/sec 6000 Mtexels/sec
Pixel Rate 5000 Mpixels/sec 3000 Mpixels/sec
Unified Shaders 48 160
Texture Mapping Units 16 8
Render Output Units 8 4
Bus Type GDDR3 GDDR5
Bus Width 128-bit 64-bit
Fab Process 40 nm 40 nm
Transistors 486 million 370 million
Bus PCIe 2.0 PCIe 2.1 x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.2 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of data (counted in MB per second) that can be transferred across the external memory interface in one second. The number is worked out by multiplying the bus width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the graphics 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 the video card could possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 220 GDDR3

Amazon.com

Check prices at:

Radeon HD 6450 (OEM) 1GB

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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