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GeForce GTX 960 vs Radeon HD 4870 2GB

Intro

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

Compare those specifications to the Radeon HD 4870 2GB, which has core speeds of 750 MHz on the GPU, and 900 MHz on the 2048 MB of GDDR5 memory. It features 800(160x5) SPUs as well as 40 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 960 120 Watts
Radeon HD 4870 2GB 150 Watts
Difference: 30 Watts (25%)

Memory Bandwidth

The Radeon HD 4870 2GB should in theory be a bit faster than the GeForce GTX 960 overall. (explain)

Radeon HD 4870 2GB 115200 MB/sec
GeForce GTX 960 112000 MB/sec
Difference: 3200 (3%)

Texel Rate

The GeForce GTX 960 is much (approximately 140%) more effective at anisotropic filtering than the Radeon HD 4870 2GB. (explain)

GeForce GTX 960 72128 Mtexels/sec
Radeon HD 4870 2GB 30000 Mtexels/sec
Difference: 42128 (140%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 960 is the winner, and very much so. (explain)

GeForce GTX 960 36064 Mpixels/sec
Radeon HD 4870 2GB 12000 Mpixels/sec
Difference: 24064 (201%)

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 4870 2GB

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

Display Specifications

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Model GeForce GTX 960 Radeon HD 4870 2GB
Manufacturer nVidia AMD
Year January 2015 Jun 25, 2008
Code Name GM206 RV770 XT
Memory 2048 MB 2048 MB
Core Speed 1127 MHz 750 MHz
Memory Speed 7000 MHz 3600 MHz
Power (Max TDP) 120 watts 150 watts
Bandwidth 112000 MB/sec 115200 MB/sec
Texel Rate 72128 Mtexels/sec 30000 Mtexels/sec
Pixel Rate 36064 Mpixels/sec 12000 Mpixels/sec
Unified Shaders 1024 800(160x5)
Texture Mapping Units 64 40
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 28 nm 55 nm
Transistors 2940 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: Bandwidth is the max amount of information (measured in MB per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the interface width by its memory clock speed. If the card has DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the video card will be at 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 that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also called 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 - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 960

Amazon.com

Check prices at:

Radeon HD 4870 2GB

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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