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GeForce GTX 1050 3GB vs Radeon HD 3870 X2 512MB

Intro

The GeForce GTX 1050 3GB features core clock speeds of 1392 MHz on the GPU, and 1750 MHz on the 3072 MB of GDDR5 RAM. It features 768 SPUs as well as 48 Texture Address Units and 24 Rasterization Operator Units.

Compare those specifications to the Radeon HD 3870 X2 512MB, which uses a 55 nm design. AMD has set the core frequency at 825 MHz. The GDDR3 RAM works at a frequency of 900 MHz on this specific card. It features 320(64x5) SPUs as well as 16 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon HD 3870 X2 512MB should be quite a bit faster than the GeForce GTX 1050 3GB overall. (explain)

Radeon HD 3870 X2 512MB 115200 MB/sec
GeForce GTX 1050 3GB 86016 MB/sec
Difference: 29184 (34%)

Texel Rate

The GeForce GTX 1050 3GB is a lot (about 153%) better at anisotropic filtering than the Radeon HD 3870 X2 512MB. (explain)

GeForce GTX 1050 3GB 66816 Mtexels/sec
Radeon HD 3870 X2 512MB 26400 Mtexels/sec
Difference: 40416 (153%)

Pixel Rate

The GeForce GTX 1050 3GB will be quite a bit (more or less 27%) more effective at AA than the Radeon HD 3870 X2 512MB, and able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GTX 1050 3GB 33408 Mpixels/sec
Radeon HD 3870 X2 512MB 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 512MB

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 512MB
Manufacturer nVidia AMD
Year May 2018 Jan 28, 2008
Code Name GP107 R680
Memory 3072 MB 512 MB (x2)
Core Speed 1392 MHz 825 MHz (x2)
Memory Speed 7000 MHz 1800 MHz (x2)
Power (Max TDP) 75 watts (Unknown) watts
Bandwidth 86016 MB/sec 115200 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 GDDR3
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 megabytes per second) that can be moved across the external memory interface in one second. It is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better 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 amount of texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total texture units of the card 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 in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 1050 3GB

Amazon.com

Radeon HD 3870 X2 512MB

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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