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Nvidia Titan X vs Radeon HD 4870 512MB

Intro

The Nvidia Titan X makes use of a 16 nm design. nVidia has clocked the core frequency at 1417 MHz. The GDDR5X RAM runs at a speed of 1251 MHz on this model. It features 3584 SPUs as well as 224 Texture Address Units and 96 Rasterization Operator Units.

Compare all that to the Radeon HD 4870 512MB, which has GPU clock speed of 750 MHz, and 512 MB of GDDR5 memory set to run at 900 MHz through a 256-bit bus. It also is made up of 800(160x5) SPUs, 40 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4870 512MB 150 Watts
Nvidia Titan X 250 Watts
Difference: 100 Watts (67%)

Memory Bandwidth

Performance-wise, the Nvidia Titan X should theoretically be a lot superior to the Radeon HD 4870 512MB in general. (explain)

Nvidia Titan X 491520 MB/sec
Radeon HD 4870 512MB 115200 MB/sec
Difference: 376320 (327%)

Texel Rate

The Nvidia Titan X is much (about 958%) better at texture filtering than the Radeon HD 4870 512MB. (explain)

Nvidia Titan X 317408 Mtexels/sec
Radeon HD 4870 512MB 30000 Mtexels/sec
Difference: 287408 (958%)

Pixel Rate

The Nvidia Titan X will be quite a bit (approximately 1034%) better at anti-aliasing than the Radeon HD 4870 512MB, and also should be able to handle higher resolutions better. (explain)

Nvidia Titan X 136032 Mpixels/sec
Radeon HD 4870 512MB 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 512MB

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 512MB
Manufacturer nVidia AMD
Year August 2016 Jun 25, 2008
Code Name GP102-400 RV770 XT
Memory 12288 MB 512 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 largest amount of data (measured in MB per second) that can be transported across the external memory interface in a second. It's worked out by multiplying the bus width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher this number, 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 maximum number of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

Nvidia Titan X

Amazon.com

Check prices at:

Radeon HD 4870 512MB

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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