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GeForce GT 230 vs Radeon R9 M390X

Intro

The GeForce GT 230 makes use of a 40 nm design. nVidia has clocked the core frequency at 550 MHz. The DDR3 RAM is set to run at a frequency of 800 MHz on this card. It features 32 SPUs along with 16 TAUs and 8 ROPs.

Compare those specs to the Radeon R9 M390X, which makes use of a 28 nm design. AMD has set the core frequency at 723 MHz. The GDDR5 RAM works at a speed of 1250 MHz on this particular model. It features 2048 SPUs as well as 128 Texture Address Units and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 230 65 Watts
Radeon R9 M390X 125 Watts
Difference: 60 Watts (92%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 M390X should be 317% quicker than the GeForce GT 230 in general, due to its greater data rate. (explain)

Radeon R9 M390X 160000 MB/sec
GeForce GT 230 38400 MB/sec
Difference: 121600 (317%)

Texel Rate

The Radeon R9 M390X should be a lot (more or less 952%) more effective at anisotropic filtering than the GeForce GT 230. (explain)

Radeon R9 M390X 92544 Mtexels/sec
GeForce GT 230 8800 Mtexels/sec
Difference: 83744 (952%)

Pixel Rate

If using a high resolution is important to you, then the Radeon R9 M390X is a better choice, by far. (explain)

Radeon R9 M390X 23136 Mpixels/sec
GeForce GT 230 4400 Mpixels/sec
Difference: 18736 (426%)

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 230

Amazon.com

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Radeon R9 M390X

Amazon.com

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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 230 Radeon R9 M390X
Manufacturer nVidia AMD
Year October 2009 2015
Code Name GT218 Tonga
Memory 1536 MB 4096 MB
Core Speed 550 MHz 723 MHz
Memory Speed 1600 MHz 5000 MHz
Power (Max TDP) 65 watts 125 watts
Bandwidth 38400 MB/sec 160000 MB/sec
Texel Rate 8800 Mtexels/sec 92544 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 23136 Mpixels/sec
Unified Shaders 32 2048
Texture Mapping Units 16 128
Render Output Units 8 32
Bus Type DDR3 GDDR5
Bus Width 192-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 260 million (Unknown) million
Bus PCIe 2.0 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 12
OpenGL Version OpenGL 3.2 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in megabytes per second) that can be moved over the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better 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 number of texture map elements (texels) that can be processed per second. This figure is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the graphics 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 most pixels the video card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GT 230

Amazon.com

Check prices at:

Radeon R9 M390X

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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