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GeForce GT 240 GDDR5 1GB vs Radeon HD 3850 1GB

Intro

The GeForce GT 240 GDDR5 1GB comes with a clock speed of 550 MHz and a GDDR5 memory frequency of 850 MHz. It also uses a 128-bit bus, and makes use of a 40 nm design. It is comprised of 96 SPUs, 32 TAUs, and 8 ROPs.

Compare those specs to the Radeon HD 3850 1GB, which has clock speeds of 668 MHz on the GPU, and 828 MHz on the 1024 MB of GDDR3 RAM. It features 320(64x5) SPUs as well as 16 TAUs and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 240 GDDR5 1GB 70 Watts
Radeon HD 3850 1GB 75 Watts
Difference: 5 Watts (7%)

Memory Bandwidth

As far as performance goes, the GeForce GT 240 GDDR5 1GB should in theory be a bit superior to the Radeon HD 3850 1GB overall. (explain)

GeForce GT 240 GDDR5 1GB 54400 MB/sec
Radeon HD 3850 1GB 52992 MB/sec
Difference: 1408 (3%)

Texel Rate

The GeForce GT 240 GDDR5 1GB will be a lot (about 65%) better at anisotropic filtering than the Radeon HD 3850 1GB. (explain)

GeForce GT 240 GDDR5 1GB 17600 Mtexels/sec
Radeon HD 3850 1GB 10688 Mtexels/sec
Difference: 6912 (65%)

Pixel Rate

The Radeon HD 3850 1GB is a lot (approximately 143%) faster with regards to full screen anti-aliasing than the GeForce GT 240 GDDR5 1GB, and also should be capable of handling higher resolutions better. (explain)

Radeon HD 3850 1GB 10688 Mpixels/sec
GeForce GT 240 GDDR5 1GB 4400 Mpixels/sec
Difference: 6288 (143%)

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 1GB

Amazon.com

Check prices at:

Radeon HD 3850 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 1GB Radeon HD 3850 1GB
Manufacturer nVidia AMD
Year November 2009 Nov 19, 2007
Code Name GT215 RV670 PRO
Memory 1024 MB 1024 MB
Core Speed 550 MHz 668 MHz
Memory Speed 3400 MHz 1656 MHz
Power (Max TDP) 70 watts 75 watts
Bandwidth 54400 MB/sec 52992 MB/sec
Texel Rate 17600 Mtexels/sec 10688 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 10688 Mpixels/sec
Unified Shaders 96 320(64x5)
Texture Mapping Units 32 16
Render Output Units 8 16
Bus Type GDDR5 GDDR3
Bus Width 128-bit 256-bit
Fab Process 40 nm 55 nm
Transistors 289 million (Unknown) 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 maximum amount of information (counted in megabytes per second) that can be transferred across the external memory interface in one second. It's calculated by multiplying the interface width by its memory speed. If it uses DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce GT 240 GDDR5 1GB

Amazon.com

Check prices at:

Radeon HD 3850 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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