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GeForce GTX 470 vs Radeon HD 4670 1GB

Intro

The GeForce GTX 470 comes with clock speeds of 607 MHz on the GPU, and 837 MHz on the 1280 MB of GDDR5 RAM. It features 448 SPUs along with 56 TAUs and 40 ROPs.

Compare those specifications to the Radeon HD 4670 1GB, which makes use of a 55 nm design. AMD has set the core speed at 750 MHz. The GDDR4/GDDR3/DDR3/DDR2 RAM runs at a speed of 1100 MHz on this particular model. 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)

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

Memory Bandwidth

In theory, the GeForce GTX 470 should be 280% quicker than the Radeon HD 4670 1GB in general, because of its higher bandwidth. (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 much (more or less 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 should be a lot (approximately 305%) more effective at FSAA than the Radeon HD 4670 1GB, and also should be able to handle 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 (counted in MB per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the interface width by the speed of its memory. If it uses DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum 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 clock speed of the chip. The higher the texel rate, the better the card will be at handling 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 per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to 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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