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GeForce GTX 1060 3GB vs Radeon HD 7870 XT

Intro

The GeForce GTX 1060 3GB features a GPU clock speed of 1506 MHz, and the 3072 MB of GDDR5 memory is set to run at 2000 MHz through a 192-bit bus. It also is comprised of 1152 SPUs, 72 Texture Address Units, and 48 ROPs.

Compare that to the Radeon HD 7870 XT, which features a core clock frequency of 925 MHz and a GDDR5 memory frequency of 1500 MHz. It also makes use of a 256-bit bus, and makes use of a 28 nm design. It is made up of 1536 SPUs, 96 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1060 3GB 120 Watts
Radeon HD 7870 XT 185 Watts
Difference: 65 Watts (54%)

Memory Bandwidth

Theoretically, the GeForce GTX 1060 3GB should perform a bit faster than the Radeon HD 7870 XT in general. (explain)

GeForce GTX 1060 3GB 196608 MB/sec
Radeon HD 7870 XT 192000 MB/sec
Difference: 4608 (2%)

Texel Rate

The GeForce GTX 1060 3GB is a lot (more or less 22%) better at AF than the Radeon HD 7870 XT. (explain)

GeForce GTX 1060 3GB 108432 Mtexels/sec
Radeon HD 7870 XT 88800 Mtexels/sec
Difference: 19632 (22%)

Pixel Rate

The GeForce GTX 1060 3GB is a lot (approximately 144%) faster with regards to full screen anti-aliasing than the Radeon HD 7870 XT, and also should be capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX 1060 3GB 72288 Mpixels/sec
Radeon HD 7870 XT 29600 Mpixels/sec
Difference: 42688 (144%)

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

GeForce GTX 1060 3GB

Radeon HD 7870 XT

Specifications

Display Specifications

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Model GeForce GTX 1060 3GB Radeon HD 7870 XT
Manufacturer nVidia AMD
Year August 2016 November 2012
Code Name GP106-300 Tahiti LE
Memory 3072 MB 2048 MB
Core Speed 1506 MHz 925 MHz
Memory Speed 8000 MHz 6000 MHz
Power (Max TDP) 120 watts 185 watts
Bandwidth 196608 MB/sec 192000 MB/sec
Texel Rate 108432 Mtexels/sec 88800 Mtexels/sec
Pixel Rate 72288 Mpixels/sec 29600 Mpixels/sec
Unified Shaders 1152 1536
Texture Mapping Units 72 96
Render Output Units 48 32
Bus Type GDDR5 GDDR5
Bus Width 192-bit 256-bit
Fab Process 16 nm 28 nm
Transistors 4400 million 4313 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 11.1
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of MB per second) that can be moved over the external memory interface in a second. The number is worked out by multiplying the interface width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

GeForce GTX 1060 3GB

Radeon HD 7870 XT

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