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GeForce GTX 1630 vs Radeon HD 4870 2GB

Intro

The GeForce GTX 1630 uses a 12 nm design. nVidia has set the core frequency at 1740 MHz. The GDDR6 RAM is set to run at a speed of 1500 MHz on this specific card. It features 512 SPUs along with 32 Texture Address Units and 16 ROPs.

Compare all of that to the Radeon HD 4870 2GB, which uses a 55 nm design. AMD has clocked the core frequency at 750 MHz. The GDDR5 RAM is set to run at a speed of 900 MHz on this specific card. It features 800(160x5) SPUs as well as 40 Texture Address Units and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1630 75 Watts
Radeon HD 4870 2GB 150 Watts
Difference: 75 Watts (100%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 4870 2GB should be a small bit faster than the GeForce GTX 1630 overall. (explain)

Radeon HD 4870 2GB 115200 MB/sec
GeForce GTX 1630 98304 MB/sec
Difference: 16896 (17%)

Texel Rate

The GeForce GTX 1630 should be much (approximately 86%) better at anisotropic filtering than the Radeon HD 4870 2GB. (explain)

GeForce GTX 1630 55680 Mtexels/sec
Radeon HD 4870 2GB 30000 Mtexels/sec
Difference: 25680 (86%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 1630 is a better choice, by a large margin. (explain)

GeForce GTX 1630 27840 Mpixels/sec
Radeon HD 4870 2GB 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 2GB

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 2GB
Manufacturer nVidia AMD
Year June 2022 Jun 25, 2008
Code Name TU117 RV770 XT
Memory 4096 MB 2048 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: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be transported across the external memory interface in one second. It's worked out by multiplying the bus width by the speed of its memory. In the case of DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher 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 are applied per second. This is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, most notably 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 1630

Amazon.com

Check prices at:

Radeon HD 4870 2GB

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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