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GeForce GTX 560 vs Radeon HD 4670 1GB

Intro

The GeForce GTX 560 uses a 40 nm design. nVidia has clocked the core speed at 810 MHz. The GDDR5 RAM works at a frequency of 1001 MHz on this specific model. It features 336 SPUs along with 56 TAUs and 32 ROPs.

Compare all that to the Radeon HD 4670 1GB, which features GPU clock speed of 750 MHz, and 1024 MB of GDDR4/GDDR3/DDR3/DDR2 memory set to run at 1100 MHz through a 128-bit bus. It also is made up 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 560 150 Watts
Difference: 80 Watts (114%)

Memory Bandwidth

Performance-wise, the GeForce GTX 560 should in theory be quite a bit better than the Radeon HD 4670 1GB overall. (explain)

GeForce GTX 560 128128 MB/sec
Radeon HD 4670 1GB 35200 MB/sec
Difference: 92928 (264%)

Texel Rate

The GeForce GTX 560 should be a lot (approximately 89%) more effective at AF than the Radeon HD 4670 1GB. (explain)

GeForce GTX 560 45360 Mtexels/sec
Radeon HD 4670 1GB 24000 Mtexels/sec
Difference: 21360 (89%)

Pixel Rate

The GeForce GTX 560 is quite a bit (approximately 332%) better at AA than the Radeon HD 4670 1GB, and also able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 560 25920 Mpixels/sec
Radeon HD 4670 1GB 6000 Mpixels/sec
Difference: 19920 (332%)

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 560

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 560 Radeon HD 4670 1GB
Manufacturer nVidia AMD
Year May 2011 Sep 10, 2008
Code Name GF114 RV730 XT
Memory 1024 MB 1024 MB
Core Speed 810 MHz 750 MHz
Memory Speed 4004 MHz 2200 MHz
Power (Max TDP) 150 watts 70 watts
Bandwidth 128128 MB/sec 35200 MB/sec
Texel Rate 45360 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 25920 Mpixels/sec 6000 Mpixels/sec
Unified Shaders 336 320(64x5)
Texture Mapping Units 56 32
Render Output Units 32 8
Bus Type GDDR5 GDDR4/GDDR3/DDR3/DDR2
Bus Width 256-bit 128-bit
Fab Process 40 nm 55 nm
Transistors 1950 million 514 million
Bus PCIe 2.0 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 maximum amount of data (counted in MB per second) that can be transferred across the external memory interface within a second. It is calculated by multiplying the interface width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 again. If 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 higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the core 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 rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 560

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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