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Nvidia Titan X vs Radeon HD 4870 2GB

Intro

The Nvidia Titan X has a GPU core speed of 1417 MHz, and the 12288 MB of GDDR5X RAM runs at 1251 MHz through a 384-bit bus. It also is made up of 3584 SPUs, 224 TAUs, and 96 Raster Operation Units.

Compare all of that to the Radeon HD 4870 2GB, which makes use of a 55 nm design. AMD has set the core frequency at 750 MHz. The GDDR5 memory runs at a frequency of 900 MHz on this specific card. It features 800(160x5) SPUs as well as 40 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4870 2GB 150 Watts
Nvidia Titan X 250 Watts
Difference: 100 Watts (67%)

Memory Bandwidth

The Nvidia Titan X, in theory, should perform a lot faster than the Radeon HD 4870 2GB overall. (explain)

Nvidia Titan X 491520 MB/sec
Radeon HD 4870 2GB 115200 MB/sec
Difference: 376320 (327%)

Texel Rate

The Nvidia Titan X is much (approximately 958%) more effective at AF than the Radeon HD 4870 2GB. (explain)

Nvidia Titan X 317408 Mtexels/sec
Radeon HD 4870 2GB 30000 Mtexels/sec
Difference: 287408 (958%)

Pixel Rate

The Nvidia Titan X should be much (more or less 1034%) more effective at full screen anti-aliasing than the Radeon HD 4870 2GB, and will be able to handle higher screen resolutions better. (explain)

Nvidia Titan X 136032 Mpixels/sec
Radeon HD 4870 2GB 12000 Mpixels/sec
Difference: 124032 (1034%)

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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Nvidia Titan X

Amazon.com

Check prices at:

Radeon HD 4870 2GB

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 Nvidia Titan X Radeon HD 4870 2GB
Manufacturer nVidia AMD
Year August 2016 Jun 25, 2008
Code Name GP102-400 RV770 XT
Memory 12288 MB 2048 MB
Core Speed 1417 MHz 750 MHz
Memory Speed 10008 MHz 3600 MHz
Power (Max TDP) 250 watts 150 watts
Bandwidth 491520 MB/sec 115200 MB/sec
Texel Rate 317408 Mtexels/sec 30000 Mtexels/sec
Pixel Rate 136032 Mpixels/sec 12000 Mpixels/sec
Unified Shaders 3584 800(160x5)
Texture Mapping Units 224 40
Render Output Units 96 16
Bus Type GDDR5X GDDR5
Bus Width 384-bit 256-bit
Fab Process 16 nm 55 nm
Transistors 12000 million 956 million
Bus PCIe 3.0 x16 PCIe 2.0 x16
DirectX Version DirectX 12.0 DirectX 10.1
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in megabytes per second) that can be transferred past the external memory interface in one second. It's calculated by multiplying the interface width by the speed of its memory. If it uses DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

Nvidia Titan X

Amazon.com

Check prices at:

Radeon HD 4870 2GB

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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