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GeForce GTX 960 vs Radeon HD 6870

Intro

The GeForce GTX 960 has core clock speeds of 1127 MHz on the GPU, and 1750 MHz on the 2048 MB of GDDR5 RAM. It features 1024 SPUs as well as 64 Texture Address Units and 32 Rasterization Operator Units.

Compare all that to the Radeon HD 6870, which uses a 40 nm design. AMD has set the core frequency at 900 MHz. The GDDR5 RAM works at a frequency of 1050 MHz on this specific model. It features 1120 SPUs along with 56 Texture Address Units and 32 Rasterization Operator Units.

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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

The Radeon HD 6870 should theoretically be just a bit faster 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 a lot (approximately 43%) more effective 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

The GeForce GTX 960 should be a lot (approximately 25%) faster with regards to AA than the Radeon HD 6870, and also will be capable of handling higher screen resolutions without slowing down too much. (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

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Radeon HD 6870

Amazon.com

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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 max amount of information (counted in megabytes per second) that can be moved across the external memory interface in one second. The number is worked out by multiplying the interface width by its memory speed. If it uses DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better 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 texture map elements (texels) that are processed in one second. This is worked out 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output 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 potential to reach the max 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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