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GeForce GT 230 vs Radeon HD 4670 512MB

Intro

The GeForce GT 230 has clock speeds of 550 MHz on the GPU, and 800 MHz on the 1536 MB of DDR3 memory. It features 32 SPUs along with 16 TAUs and 8 Rasterization Operator Units.

Compare that to the Radeon HD 4670 512MB, which features core clock speeds of 750 MHz on the GPU, and 1000 MHz on the 512 MB of GDDR4/GDDR3/DDR3/DDR2 memory. It features 320(64x5) SPUs as well as 32 TAUs and 8 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 230 65 Watts
Radeon HD 4670 512MB 70 Watts
Difference: 5 Watts (8%)

Memory Bandwidth

As far as performance goes, the GeForce GT 230 should theoretically be a small bit better than the Radeon HD 4670 512MB overall. (explain)

GeForce GT 230 38400 MB/sec
Radeon HD 4670 512MB 32000 MB/sec
Difference: 6400 (20%)

Texel Rate

The Radeon HD 4670 512MB should be quite a bit (more or less 173%) better at AF than the GeForce GT 230. (explain)

Radeon HD 4670 512MB 24000 Mtexels/sec
GeForce GT 230 8800 Mtexels/sec
Difference: 15200 (173%)

Pixel Rate

The Radeon HD 4670 512MB should be quite a bit (approximately 36%) faster with regards to AA than the GeForce GT 230, and also able to handle higher screen resolutions more effectively. (explain)

Radeon HD 4670 512MB 6000 Mpixels/sec
GeForce GT 230 4400 Mpixels/sec
Difference: 1600 (36%)

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

Check prices at:

Radeon HD 4670 512MB

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 230 Radeon HD 4670 512MB
Manufacturer nVidia AMD
Year October 2009 Sep 10, 2008
Code Name GT218 RV730 XT
Memory 1536 MB 512 MB
Core Speed 550 MHz 750 MHz
Memory Speed 1600 MHz 2000 MHz
Power (Max TDP) 65 watts 70 watts
Bandwidth 38400 MB/sec 32000 MB/sec
Texel Rate 8800 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 6000 Mpixels/sec
Unified Shaders 32 320(64x5)
Texture Mapping Units 16 32
Render Output Units 8 8
Bus Type DDR3 GDDR4/GDDR3/DDR3/DDR2
Bus Width 192-bit 128-bit
Fab Process 40 nm 55 nm
Transistors 260 million 514 million
Bus PCIe 2.0 PCIe 2.0 x16, AGP 8x
DirectX Version DirectX 10.1 DirectX 10.1
OpenGL Version OpenGL 3.2 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of data (counted in megabytes per second) that can be transferred past the external memory interface in a second. It's worked out by multiplying the interface width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the core speed of the card. 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 fill rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GT 230

Amazon.com

Check prices at:

Radeon HD 4670 512MB

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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