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GeForce GTX 1650 vs Radeon HD 4870 X2

Intro

The GeForce GTX 1650 features a core clock frequency of 1485 MHz and a GDDR5 memory frequency of 8000 MHz. It also features a 128-bit bus, and uses a 12 nm design. It is comprised of 896 SPUs, 56 TAUs, and 32 Raster Operation Units.

Compare that to the Radeon HD 4870 X2, which has a GPU core clock speed of 750 MHz, and 1024 MB of GDDR5 memory set to run at 900 MHz through a 256-bit bus. It also is comprised of 800(160x5) SPUs, 40 Texture Address Units, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1650 75 Watts
Radeon HD 4870 X2 350 Watts
Difference: 275 Watts (367%)

Memory Bandwidth

The Radeon HD 4870 X2, in theory, should be quite a bit faster than the GeForce GTX 1650 overall. (explain)

Radeon HD 4870 X2 230400 MB/sec
GeForce GTX 1650 131072 MB/sec
Difference: 99328 (76%)

Texel Rate

The GeForce GTX 1650 should be a lot (approximately 39%) better at texture filtering than the Radeon HD 4870 X2. (explain)

GeForce GTX 1650 83160 Mtexels/sec
Radeon HD 4870 X2 60000 Mtexels/sec
Difference: 23160 (39%)

Pixel Rate

The GeForce GTX 1650 should be much (more or less 98%) better at anti-aliasing than the Radeon HD 4870 X2, and also will be able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 1650 47520 Mpixels/sec
Radeon HD 4870 X2 24000 Mpixels/sec
Difference: 23520 (98%)

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 4870 X2

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 4870 X2
Manufacturer nVidia AMD
Year April 2019 Aug 12, 2008
Code Name TU117-300-A1 R700
Memory 4096 MB 1024 MB (x2)
Core Speed 1485 MHz 750 MHz (x2)
Memory Speed 32000 MHz 3600 MHz (x2)
Power (Max TDP) 75 watts 350 watts
Bandwidth 131072 MB/sec 230400 MB/sec
Texel Rate 83160 Mtexels/sec 60000 Mtexels/sec
Pixel Rate 47520 Mpixels/sec 24000 Mpixels/sec
Unified Shaders 896 800(160x5) (x2)
Texture Mapping Units 56 40 (x2)
Render Output Units 32 16 (x2)
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit (x2)
Fab Process 12 nm 55 nm
Transistors 4700 million 956 million
Bus PCIe 3.0 x16 PCIe 2.0 x16 (PCIe bridge)
DirectX Version DirectX 12.0 DirectX 10.1
OpenGL Version OpenGL 4.6 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in megabytes per second) that can be transferred across the external memory interface in a second. It's worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR RAM, 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, HDR and high resolutions.

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

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

Display Prices

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GeForce GTX 1650

Amazon.com

Check prices at:

Radeon HD 4870 X2

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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