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GeForce GTX 470 vs Radeon HD 4670 1GB

Intro

The GeForce GTX 470 has a core clock frequency of 607 MHz and a GDDR5 memory frequency of 837 MHz. It also features a 320-bit memory bus, and uses a 40 nm design. It is comprised of 448 SPUs, 56 TAUs, and 40 Raster Operation Units.

Compare those specs to the Radeon HD 4670 1GB, which has GPU 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) Stream Processors, 32 Texture Address Units, and 8 Raster Operation Units.

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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

Performance-wise, the GeForce GTX 470 should theoretically be a lot better than the Radeon HD 4670 1GB in general. (explain)

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

Texel Rate

The GeForce GTX 470 will be quite a bit (approximately 42%) more effective at texture filtering 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 should be much (approximately 305%) faster with regards to AA than the Radeon HD 4670 1GB, and will be capable of handling higher resolutions while still performing well. (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 MB per second) that can be transferred over the external memory interface within a second. The number is calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total amount of texture units of the card by the core 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 a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max 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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