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GeForce GTX 1050 3GB vs Radeon HD 3870 X2 1GB

Intro

The GeForce GTX 1050 3GB uses a 14 nm design. nVidia has set the core speed at 1392 MHz. The GDDR5 memory runs at a frequency of 1750 MHz on this specific model. It features 768 SPUs along with 48 Texture Address Units and 24 ROPs.

Compare that to the Radeon HD 3870 X2 1GB, which has a core clock frequency of 825 MHz and a GDDR4 memory speed of 1126 MHz. It also makes use of a 256-bit bus, and makes use of a 55 nm design. It is comprised of 320(64x5) SPUs, 16 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon HD 3870 X2 1GB is 68% quicker than the GeForce GTX 1050 3GB in general, due to its higher data rate. (explain)

Radeon HD 3870 X2 1GB 144128 MB/sec
GeForce GTX 1050 3GB 86016 MB/sec
Difference: 58112 (68%)

Texel Rate

The GeForce GTX 1050 3GB will be a lot (approximately 153%) more effective at anisotropic filtering than the Radeon HD 3870 X2 1GB. (explain)

GeForce GTX 1050 3GB 66816 Mtexels/sec
Radeon HD 3870 X2 1GB 26400 Mtexels/sec
Difference: 40416 (153%)

Pixel Rate

The GeForce GTX 1050 3GB should be much (about 27%) more effective at full screen anti-aliasing than the Radeon HD 3870 X2 1GB, and also able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX 1050 3GB 33408 Mpixels/sec
Radeon HD 3870 X2 1GB 26400 Mpixels/sec
Difference: 7008 (27%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce GTX 1050 3GB

Amazon.com

Radeon HD 3870 X2 1GB

Amazon.com

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 1050 3GB Radeon HD 3870 X2 1GB
Manufacturer nVidia AMD
Year May 2018 Jan 28, 2008
Code Name GP107 R680
Memory 3072 MB 1024 MB (x2)
Core Speed 1392 MHz 825 MHz (x2)
Memory Speed 7000 MHz 2252 MHz (x2)
Power (Max TDP) 75 watts (Unknown) watts
Bandwidth 86016 MB/sec 144128 MB/sec
Texel Rate 66816 Mtexels/sec 26400 Mtexels/sec
Pixel Rate 33408 Mpixels/sec 26400 Mpixels/sec
Unified Shaders 768 320(64x5) (x2)
Texture Mapping Units 48 16 (x2)
Render Output Units 24 16 (x2)
Bus Type GDDR5 GDDR4
Bus Width 96-bit 256-bit (x2)
Fab Process 14 nm 55 nm
Transistors 3300 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 2.0 x16/(internal PCIe 1.1 x16)
DirectX Version DirectX 12.0 DirectX 10.1
OpenGL Version OpenGL 4.6 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of information (measured in MB per second) that can be transferred past the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory speed. If it uses DDR RAM, it should 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 AA, High Dynamic Range 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 number of texture units by the core clock speed of the chip. The better this number, the better the 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 record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 1050 3GB

Amazon.com

Radeon HD 3870 X2 1GB

Amazon.com

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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