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GeForce GTX 1630 vs Radeon HD 4870 1GB

Intro

The GeForce GTX 1630 comes with a clock speed of 1740 MHz and a GDDR6 memory speed of 1500 MHz. It also makes use of a 64-bit memory bus, and makes use of a 12 nm design. It is made up of 512 SPUs, 32 TAUs, and 16 ROPs.

Compare that to the Radeon HD 4870 1GB, which features core clock speeds of 750 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR5 RAM. It features 800(160x5) SPUs along with 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 1GB 150 Watts
Difference: 75 Watts (100%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 4870 1GB should be just a bit faster than the GeForce GTX 1630 in general. (explain)

Radeon HD 4870 1GB 115200 MB/sec
GeForce GTX 1630 98304 MB/sec
Difference: 16896 (17%)

Texel Rate

The GeForce GTX 1630 is much (about 86%) more effective at texture filtering than the Radeon HD 4870 1GB. (explain)

GeForce GTX 1630 55680 Mtexels/sec
Radeon HD 4870 1GB 30000 Mtexels/sec
Difference: 25680 (86%)

Pixel Rate

The GeForce GTX 1630 should be quite a bit (approximately 132%) faster with regards to full screen anti-aliasing than the Radeon HD 4870 1GB, and will be able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 1630 27840 Mpixels/sec
Radeon HD 4870 1GB 12000 Mpixels/sec
Difference: 15840 (132%)

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.

Price Comparison

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GeForce GTX 1630

Amazon.com

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Radeon HD 4870 1GB

Amazon.com

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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 1GB
Manufacturer nVidia AMD
Year June 2022 Jun 25, 2008
Code Name TU117 RV770 XT
Memory 4096 MB 1024 MB
Core Speed 1740 MHz 750 MHz
Memory Speed 1500 GB/s 3600 MHz
Power (Max TDP) 75 watts 150 watts
Bandwidth 98304 MB/sec 115200 MB/sec
Texel Rate 55680 Mtexels/sec 30000 Mtexels/sec
Pixel Rate 27840 Mpixels/sec 12000 Mpixels/sec
Unified Shaders 512 800(160x5)
Texture Mapping Units 32 40
Render Output Units 16 16
Bus Type GDDR6 GDDR5
Bus Width 64-bit 256-bit
Fab Process 12 nm 55 nm
Transistors 4700 million 956 million
Bus PCIe 4.0 x16 PCIe 2.0 x16
DirectX Version DirectX 12 DirectX 10.1
OpenGL Version OpenGL 4.6 OpenGL 3.0

Memory Bandwidth: Bandwidth is the largest amount of information (measured in megabytes per second) that can be transported over the external memory interface in one second. It's worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster 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 number of texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the 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 that the graphics chip can possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 1630

Amazon.com

Check prices at:

Radeon HD 4870 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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