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GeForce GTX 1650 vs Radeon HD 3870 X2 1GB

Intro

The GeForce GTX 1650 uses a 12 nm design. nVidia has clocked the core frequency at 1485 MHz. The GDDR5 memory works at a speed of 8000 MHz on this particular card. It features 896 SPUs along with 56 TAUs and 32 Rasterization Operator Units.

Compare that to the Radeon HD 3870 X2 1GB, which has clock speeds of 825 MHz on the GPU, and 1126 MHz on the 1024 MB of GDDR4 memory. It features 320(64x5) SPUs as well as 16 TAUs and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the Radeon HD 3870 X2 1GB should in theory be a small bit superior to the GeForce GTX 1650 in general. (explain)

Radeon HD 3870 X2 1GB 144128 MB/sec
GeForce GTX 1650 131072 MB/sec
Difference: 13056 (10%)

Texel Rate

The GeForce GTX 1650 should be much (approximately 215%) faster with regards to AF than the Radeon HD 3870 X2 1GB. (explain)

GeForce GTX 1650 83160 Mtexels/sec
Radeon HD 3870 X2 1GB 26400 Mtexels/sec
Difference: 56760 (215%)

Pixel Rate

The GeForce GTX 1650 will be much (more or less 80%) faster with regards to FSAA than the Radeon HD 3870 X2 1GB, and also will be able to handle higher resolutions while still performing well. (explain)

GeForce GTX 1650 47520 Mpixels/sec
Radeon HD 3870 X2 1GB 26400 Mpixels/sec
Difference: 21120 (80%)

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 1650

Amazon.com

Check prices at:

Radeon HD 3870 X2 1GB

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

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Model GeForce GTX 1650 Radeon HD 3870 X2 1GB
Manufacturer nVidia AMD
Year April 2019 Jan 28, 2008
Code Name TU117-300-A1 R680
Memory 4096 MB 1024 MB (x2)
Core Speed 1485 MHz 825 MHz (x2)
Memory Speed 32000 MHz 2252 MHz (x2)
Power (Max TDP) 75 watts (Unknown) watts
Bandwidth 131072 MB/sec 144128 MB/sec
Texel Rate 83160 Mtexels/sec 26400 Mtexels/sec
Pixel Rate 47520 Mpixels/sec 26400 Mpixels/sec
Unified Shaders 896 320(64x5) (x2)
Texture Mapping Units 56 16 (x2)
Render Output Units 32 16 (x2)
Bus Type GDDR5 GDDR4
Bus Width 128-bit 256-bit (x2)
Fab Process 12 nm 55 nm
Transistors 4700 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: Memory bandwidth is the largest amount of information (counted in megabytes per second) that can be transported past the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GTX 1650

Amazon.com

Check prices at:

Radeon HD 3870 X2 1GB

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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