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GeForce GTX Titan Black vs Radeon HD 4870 1GB

Intro

The GeForce GTX Titan Black comes with core speeds of 889 MHz on the GPU, and 1750 MHz on the 6144 MB of GDDR5 RAM. It features 2880 SPUs as well as 240 TAUs and 48 Rasterization Operator Units.

Compare all that to the Radeon HD 4870 1GB, which makes use of a 55 nm design. AMD has set the core speed at 750 MHz. The GDDR5 memory runs at a speed of 900 MHz on this model. It features 800(160x5) SPUs along with 40 Texture Address Units and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4870 1GB 150 Watts
GeForce GTX Titan Black 250 Watts
Difference: 100 Watts (67%)

Memory Bandwidth

The GeForce GTX Titan Black should theoretically perform much faster than the Radeon HD 4870 1GB in general. (explain)

GeForce GTX Titan Black 336000 MB/sec
Radeon HD 4870 1GB 115200 MB/sec
Difference: 220800 (192%)

Texel Rate

The GeForce GTX Titan Black should be quite a bit (more or less 611%) faster with regards to anisotropic filtering than the Radeon HD 4870 1GB. (explain)

GeForce GTX Titan Black 213360 Mtexels/sec
Radeon HD 4870 1GB 30000 Mtexels/sec
Difference: 183360 (611%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX Titan Black is superior to the Radeon HD 4870 1GB, by far. (explain)

GeForce GTX Titan Black 42672 Mpixels/sec
Radeon HD 4870 1GB 12000 Mpixels/sec
Difference: 30672 (256%)

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 Titan Black

Amazon.com

Check prices at:

Radeon HD 4870 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 Titan Black Radeon HD 4870 1GB
Manufacturer nVidia AMD
Year February 2014 Jun 25, 2008
Code Name GK110-430 RV770 XT
Memory 6144 MB 1024 MB
Core Speed 889 MHz 750 MHz
Memory Speed 7000 MHz 3600 MHz
Power (Max TDP) 250 watts 150 watts
Bandwidth 336000 MB/sec 115200 MB/sec
Texel Rate 213360 Mtexels/sec 30000 Mtexels/sec
Pixel Rate 42672 Mpixels/sec 12000 Mpixels/sec
Unified Shaders 2880 800(160x5)
Texture Mapping Units 240 40
Render Output Units 48 16
Bus Type GDDR5 GDDR5
Bus Width 384-bit 256-bit
Fab Process 28 nm 55 nm
Transistors 7080 million 956 million
Bus PCIe 3.0 x16 PCIe 2.0 x16
DirectX Version DirectX 11.0 DirectX 10.1
OpenGL Version OpenGL 4.4 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the max amount of information (measured in MB per second) that can be moved over the external memory interface in a second. It's worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX Titan Black

Amazon.com

Check prices at:

Radeon HD 4870 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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