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GeForce GTX 460 vs Radeon HD 6870

Intro

The GeForce GTX 460 comes with a GPU core clock speed of 675 MHz, and the 768 MB of GDDR5 memory is set to run at 900 MHz through a 192-bit bus. It also features 336 Stream Processors, 56 TAUs, and 24 ROPs.

Compare those specs to the Radeon HD 6870, which makes use of a 40 nm design. AMD has clocked the core frequency at 900 MHz. The GDDR5 RAM runs at a frequency of 1050 MHz on this particular card. It features 1120 SPUs along with 56 TAUs and 32 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon HD 6870 2870 points
GeForce GTX 460 2557 points
Difference: 313 (12%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 150 Watts
Radeon HD 6870 151 Watts
Difference: 1 Watts (1%)

Memory Bandwidth

Performance-wise, the Radeon HD 6870 should theoretically be quite a bit superior to the GeForce GTX 460 overall. (explain)

Radeon HD 6870 134400 MB/sec
GeForce GTX 460 86400 MB/sec
Difference: 48000 (56%)

Texel Rate

The Radeon HD 6870 will be much (more or less 33%) better at texture filtering than the GeForce GTX 460. (explain)

Radeon HD 6870 50400 Mtexels/sec
GeForce GTX 460 37800 Mtexels/sec
Difference: 12600 (33%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon HD 6870 is superior to the GeForce GTX 460, by a large margin. (explain)

Radeon HD 6870 28800 Mpixels/sec
GeForce GTX 460 16200 Mpixels/sec
Difference: 12600 (78%)

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 460

Amazon.com

Check prices at:

Radeon HD 6870

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 460 Radeon HD 6870
Manufacturer nVidia AMD
Year July 2010 October 2010
Code Name GF104 Barts XT
Memory 768 MB 1024 MB
Core Speed 675 MHz 900 MHz
Memory Speed 3600 MHz 4200 MHz
Power (Max TDP) 150 watts 151 watts
Bandwidth 86400 MB/sec 134400 MB/sec
Texel Rate 37800 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 16200 Mpixels/sec 28800 Mpixels/sec
Unified Shaders 336 1120
Texture Mapping Units 56 56
Render Output Units 24 32
Bus Type GDDR5 GDDR5
Bus Width 192-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 1950 million 1700 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in MB per second) that can be moved across the external memory interface in a second. It is worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units 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 output rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 460

Amazon.com

Check prices at:

Radeon HD 6870

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.

Comments

One Response to “GeForce GTX 460 vs Radeon HD 6870”
HellbiaX decide di avvicinarsi ai PC Assemblati - Pagina 3 - Forum di Tom's Hardware says:

[...] GeForce GTX 460 vs Radeon HD 6870 – Performance Comparison Benchmarks @ Hardware Compare purtroppo __________________ AsRock Z68 Extreme4 / 1600MHz 8GB G.Skill Ripjaws-X CL8 / i5-2500k 3,3GHz 4,6-5GHz / Noctua NH-U12P SE2 / GTX 570 Phantom SOC / Corsair HX750 / CM Elite 430 / x2 320Gb Spinpoint F4 raid0 / LG Masterizzatore BD-DVD / [...]

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