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GeForce GTX 960 vs Radeon HD 6870

Intro

The GeForce GTX 960 uses a 28 nm design. nVidia has clocked the core frequency at 1127 MHz. The GDDR5 memory is set to run at a speed of 1750 MHz on this particular model. It features 1024 SPUs along with 64 TAUs and 32 Rasterization Operator Units.

Compare that to the Radeon HD 6870, which has core speeds of 900 MHz on the GPU, and 1050 MHz on the 1024 MB of GDDR5 memory. It features 1120 SPUs along with 56 Texture Address Units 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

GeForce GTX 960 7627 points
Radeon HD 6870 2870 points
Difference: 4757 (166%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 960 120 Watts
Radeon HD 6870 151 Watts
Difference: 31 Watts (26%)

Memory Bandwidth

As far as performance goes, the Radeon HD 6870 should in theory be a bit better than the GeForce GTX 960 in general. (explain)

Radeon HD 6870 134400 MB/sec
GeForce GTX 960 112000 MB/sec
Difference: 22400 (20%)

Texel Rate

The GeForce GTX 960 is much (approximately 43%) better at anisotropic filtering than the Radeon HD 6870. (explain)

GeForce GTX 960 72128 Mtexels/sec
Radeon HD 6870 50400 Mtexels/sec
Difference: 21728 (43%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 960 is superior to the Radeon HD 6870, by a large margin. (explain)

GeForce GTX 960 36064 Mpixels/sec
Radeon HD 6870 28800 Mpixels/sec
Difference: 7264 (25%)

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 960

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 960 Radeon HD 6870
Manufacturer nVidia AMD
Year January 2015 October 2010
Code Name GM206 Barts XT
Memory 2048 MB 1024 MB
Core Speed 1127 MHz 900 MHz
Memory Speed 7000 MHz 4200 MHz
Power (Max TDP) 120 watts 151 watts
Bandwidth 112000 MB/sec 134400 MB/sec
Texel Rate 72128 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 36064 Mpixels/sec 28800 Mpixels/sec
Unified Shaders 1024 1120
Texture Mapping Units 64 56
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 28 nm 40 nm
Transistors 2940 million 1700 million
Bus PCIe 3.0 x16 PCIe x16
DirectX Version DirectX 12.0 DirectX 11
OpenGL Version OpenGL 4.5 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in MB per second) that can be transported past the external memory interface in a second. The number is calculated by multiplying the bus width by the speed of its memory. In the case of DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output 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

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GeForce GTX 960

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.

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