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GeForce GTX 960 vs Radeon HD 4870 2GB

Intro

The GeForce GTX 960 makes use of a 28 nm design. nVidia has set the core frequency at 1127 MHz. The GDDR5 memory runs at a speed of 1750 MHz on this particular card. It features 1024 SPUs along with 64 TAUs and 32 Rasterization Operator Units.

Compare that to the Radeon HD 4870 2GB, which uses a 55 nm design. AMD has clocked the core frequency at 750 MHz. The GDDR5 memory runs at a speed of 900 MHz on this particular model. It features 800(160x5) SPUs along with 40 TAUs and 16 ROPs.

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

Theoretically speaking, the Radeon HD 4870 2GB should 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 should be much (more or less 140%) better at texture 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

The GeForce GTX 960 should be quite a bit (more or less 201%) faster with regards to full screen anti-aliasing than the Radeon HD 4870 2GB, and capable of handling higher resolutions more effectively. (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: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transported across the external memory interface in one second. It is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This is worked out by multiplying the total amount 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 in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - 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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