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GeForce GTX 960 vs Radeon HD 6850

Intro

The GeForce GTX 960 has core 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 those specifications to the Radeon HD 6850, which comes with a GPU core clock speed of 775 MHz, and 1024 MB of GDDR5 RAM running at 1000 MHz through a 256-bit bus. It also is comprised of 960 Stream Processors, 48 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 6850 2395 points
Difference: 5232 (218%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 960 120 Watts
Radeon HD 6850 127 Watts
Difference: 7 Watts (6%)

Memory Bandwidth

In theory, the Radeon HD 6850 is 14% faster than the GeForce GTX 960 in general, due to its greater data rate. (explain)

Radeon HD 6850 128000 MB/sec
GeForce GTX 960 112000 MB/sec
Difference: 16000 (14%)

Texel Rate

The GeForce GTX 960 will be a lot (about 94%) more effective at AF than the Radeon HD 6850. (explain)

GeForce GTX 960 72128 Mtexels/sec
Radeon HD 6850 37200 Mtexels/sec
Difference: 34928 (94%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 960 is the winner, by a large margin. (explain)

GeForce GTX 960 36064 Mpixels/sec
Radeon HD 6850 24800 Mpixels/sec
Difference: 11264 (45%)

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 6850

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 6850
Manufacturer nVidia AMD
Year January 2015 October 2010
Code Name GM206 Barts Pro
Memory 2048 MB 1024 MB
Core Speed 1127 MHz 775 MHz
Memory Speed 7000 MHz 4000 MHz
Power (Max TDP) 120 watts 127 watts
Bandwidth 112000 MB/sec 128000 MB/sec
Texel Rate 72128 Mtexels/sec 37200 Mtexels/sec
Pixel Rate 36064 Mpixels/sec 24800 Mpixels/sec
Unified Shaders 1024 960
Texture Mapping Units 64 48
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 largest amount of data (in units of MB per second) that can be transferred past the external memory interface within a second. It's worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the clock speed of the card. 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 lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GTX 960

Amazon.com

Check prices at:

Radeon HD 6850

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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