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GeForce GTX 1630 vs Radeon HD 4870 X2

Intro

The GeForce GTX 1630 has a GPU clock speed of 1740 MHz, and the 4096 MB of GDDR6 RAM is set to run at 1500 MHz through a 64-bit bus. It also features 512 SPUs, 32 TAUs, and 16 ROPs.

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

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1630 75 Watts
Radeon HD 4870 X2 350 Watts
Difference: 275 Watts (367%)

Memory Bandwidth

The Radeon HD 4870 X2, in theory, should perform quite a bit faster than the GeForce GTX 1630 in general. (explain)

Radeon HD 4870 X2 230400 MB/sec
GeForce GTX 1630 98304 MB/sec
Difference: 132096 (134%)

Texel Rate

The Radeon HD 4870 X2 will be a little bit (more or less 8%) faster with regards to texture filtering than the GeForce GTX 1630. (explain)

Radeon HD 4870 X2 60000 Mtexels/sec
GeForce GTX 1630 55680 Mtexels/sec
Difference: 4320 (8%)

Pixel Rate

The GeForce GTX 1630 should be a little bit (more or less 16%) faster with regards to FSAA than the Radeon HD 4870 X2, and should be able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GTX 1630 27840 Mpixels/sec
Radeon HD 4870 X2 24000 Mpixels/sec
Difference: 3840 (16%)

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 1630

Amazon.com

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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 1630 Radeon HD 4870 X2
Manufacturer nVidia AMD
Year June 2022 Aug 12, 2008
Code Name TU117 R700
Memory 4096 MB 1024 MB (x2)
Core Speed 1740 MHz 750 MHz (x2)
Memory Speed 1500 GB/s 3600 MHz (x2)
Power (Max TDP) 75 watts 350 watts
Bandwidth 98304 MB/sec 230400 MB/sec
Texel Rate 55680 Mtexels/sec 60000 Mtexels/sec
Pixel Rate 27840 Mpixels/sec 24000 Mpixels/sec
Unified Shaders 512 800(160x5) (x2)
Texture Mapping Units 32 40 (x2)
Render Output Units 16 16 (x2)
Bus Type GDDR6 GDDR5
Bus Width 64-bit 256-bit (x2)
Fab Process 12 nm 55 nm
Transistors 4700 million 956 million
Bus PCIe 4.0 x16 PCIe 2.0 x16 (PCIe bridge)
DirectX Version DirectX 12 DirectX 10.1
OpenGL Version OpenGL 4.6 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of MB per second) that can be transported across the external memory interface within a second. The number is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 processed per second. This figure is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 1630

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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