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GeForce GTX 1630 vs Radeon HD 4870 X2

Intro

The GeForce GTX 1630 comes with core clock speeds of 1740 MHz on the GPU, and 1500 MHz on the 4096 MB of GDDR6 RAM. It features 512 SPUs as well as 32 TAUs and 16 ROPs.

Compare all of that to the Radeon HD 4870 X2, which uses a 55 nm design. AMD has set the core frequency at 750 MHz. The GDDR5 RAM runs at a frequency of 900 MHz on this specific card. It features 800(160x5) SPUs as well as 40 Texture Address Units and 16 ROPs.

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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

Performance-wise, the Radeon HD 4870 X2 should in theory be quite a bit superior to 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 bit (more or less 8%) better at AF than the GeForce GTX 1630. (explain)

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

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 1630 is superior to the Radeon HD 4870 X2, not by a very large margin though. (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

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 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: Bandwidth is the max amount of data (in units of megabytes per second) that can be transferred across the external memory interface in a second. It is calculated by multiplying the interface width by its memory speed. If it uses DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This is calculated by multiplying the total amount of texture units of the card 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 processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - 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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