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GeForce GTX 470 vs Radeon HD 4670 1GB

Intro

The GeForce GTX 470 makes use of a 40 nm design. nVidia has set the core frequency at 607 MHz. The GDDR5 RAM is set to run at a frequency of 837 MHz on this card. It features 448 SPUs along with 56 TAUs and 40 Rasterization Operator Units.

Compare that to the Radeon HD 4670 1GB, which uses a 55 nm design. AMD has set the core speed at 750 MHz. The GDDR4/GDDR3/DDR3/DDR2 RAM works at a speed of 1100 MHz on this model. It features 320(64x5) SPUs along with 32 TAUs and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4670 1GB 70 Watts
GeForce GTX 470 215 Watts
Difference: 145 Watts (207%)

Memory Bandwidth

The GeForce GTX 470, in theory, should perform much faster than the Radeon HD 4670 1GB overall. (explain)

GeForce GTX 470 133920 MB/sec
Radeon HD 4670 1GB 35200 MB/sec
Difference: 98720 (280%)

Texel Rate

The GeForce GTX 470 should be a lot (approximately 42%) more effective at AF than the Radeon HD 4670 1GB. (explain)

GeForce GTX 470 33992 Mtexels/sec
Radeon HD 4670 1GB 24000 Mtexels/sec
Difference: 9992 (42%)

Pixel Rate

The GeForce GTX 470 is a lot (about 305%) more effective at AA than the Radeon HD 4670 1GB, and also should be able to handle higher screen resolutions better. (explain)

GeForce GTX 470 24280 Mpixels/sec
Radeon HD 4670 1GB 6000 Mpixels/sec
Difference: 18280 (305%)

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 GTX 470

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 GTX 470 Radeon HD 4670 1GB
Manufacturer nVidia AMD
Year March 2010 Sep 10, 2008
Code Name GF100 RV730 XT
Memory 1280 MB 1024 MB
Core Speed 607 MHz 750 MHz
Memory Speed 3348 MHz 2200 MHz
Power (Max TDP) 215 watts 70 watts
Bandwidth 133920 MB/sec 35200 MB/sec
Texel Rate 33992 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 24280 Mpixels/sec 6000 Mpixels/sec
Unified Shaders 448 320(64x5)
Texture Mapping Units 56 32
Render Output Units 40 8
Bus Type GDDR5 GDDR4/GDDR3/DDR3/DDR2
Bus Width 320-bit 128-bit
Fab Process 40 nm 55 nm
Transistors 3000 million 514 million
Bus PCIe x16 PCIe 2.0 x16, AGP 8x
DirectX Version DirectX 11 DirectX 10.1
OpenGL Version OpenGL 4.1 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in megabytes per second) that can be transferred across the external memory interface in a second. The number is calculated by multiplying the interface width by its memory speed. If the card has DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This number 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 video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 470

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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