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GeForce GT 240 GDDR5 vs Radeon HD 4670 1GB

Intro

The GeForce GT 240 GDDR5 comes with clock speeds of 550 MHz on the GPU, and 850 MHz on the 512 MB of GDDR5 memory. It features 96 SPUs along with 32 TAUs and 8 ROPs.

Compare all of that to the Radeon HD 4670 1GB, which comes with a GPU core clock speed of 750 MHz, and 1024 MB of GDDR4/GDDR3/DDR3/DDR2 RAM set to run at 1100 MHz through a 128-bit bus. It also is comprised of 320(64x5) SPUs, 32 Texture Address Units, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

Theoretically speaking, the GeForce GT 240 GDDR5 will be 55% quicker than the Radeon HD 4670 1GB in general, due to its higher bandwidth. (explain)

GeForce GT 240 GDDR5 54400 MB/sec
Radeon HD 4670 1GB 35200 MB/sec
Difference: 19200 (55%)

Texel Rate

The Radeon HD 4670 1GB will be quite a bit (approximately 36%) more effective at AF than the GeForce GT 240 GDDR5. (explain)

Radeon HD 4670 1GB 24000 Mtexels/sec
GeForce GT 240 GDDR5 17600 Mtexels/sec
Difference: 6400 (36%)

Pixel Rate

The Radeon HD 4670 1GB is quite a bit (more or less 36%) more effective at anti-aliasing than the GeForce GT 240 GDDR5, and also able to handle higher screen resolutions better. (explain)

Radeon HD 4670 1GB 6000 Mpixels/sec
GeForce GT 240 GDDR5 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 240 GDDR5

Amazon.com

Check prices at:

Radeon HD 4670 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 240 GDDR5 Radeon HD 4670 1GB
Manufacturer nVidia AMD
Year Novermber 2009 Sep 10, 2008
Code Name GT215 RV730 XT
Memory 512 MB 1024 MB
Core Speed 550 MHz 750 MHz
Memory Speed 3400 MHz 2200 MHz
Power (Max TDP) 70 watts 70 watts
Bandwidth 54400 MB/sec 35200 MB/sec
Texel Rate 17600 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 6000 Mpixels/sec
Unified Shaders 96 320(64x5)
Texture Mapping Units 32 32
Render Output Units 8 8
Bus Type GDDR5 GDDR4/GDDR3/DDR3/DDR2
Bus Width 128-bit 128-bit
Fab Process 40 nm 55 nm
Transistors 289 million 514 million
Bus PCIe x16 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 largest amount of information (in units of megabytes per second) that can be moved across the external memory interface in a second. It's calculated by multiplying the interface width by its memory speed. If it uses DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total number 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 in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the clock 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 is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 240 GDDR5

Amazon.com

Check prices at:

Radeon HD 4670 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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