GeForce GTX 1630 vs Radeon HD 4770

Intro

Compare all of that to the Radeon HD 4770, which has clock speeds of 750 MHz on the GPU, and 800 MHz on the 512 MB of GDDR5 RAM. It features 640(128x5) SPUs along with 32 TAUs and 16 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1630		75 Watts
Radeon HD 4770		80 Watts
	Difference: 5 Watts (7%)

Memory Bandwidth

In theory, the GeForce GTX 1630 should be 92% quicker than the Radeon HD 4770 in general, due to its higher bandwidth. (explain)

GeForce GTX 1630		98304 MB/sec
Radeon HD 4770		51200 MB/sec
	Difference: 47104 (92%)

Texel Rate

The GeForce GTX 1630 should be a lot (more or less 132%) faster with regards to texture filtering than the Radeon HD 4770. (explain)

GeForce GTX 1630		55680 Mtexels/sec
Radeon HD 4770		24000 Mtexels/sec
	Difference: 31680 (132%)

Pixel Rate

The GeForce GTX 1630 will be a lot (more or less 132%) better at anti-aliasing than the Radeon HD 4770, and also should be able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX 1630		27840 Mpixels/sec
Radeon HD 4770		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

Specifications

Memory Bandwidth: Bandwidth is the max amount of information (in units of megabytes per second) that can be transferred past the external memory interface in a second. It's calculated by multiplying the interface width by its memory speed. In the case of DDR memory, it should be multiplied by 2 again. If it uses 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 are applied per second. This figure 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 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 most pixels the video card could possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also 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 potential to get to the max fill rate.