Geforce GTX 770 vs Radeon HD 7950

Intro

Compare those specifications to the Radeon HD 7950, which uses a 28 nm design. AMD has clocked the core speed at 800 MHz. The GDDR5 memory runs at a frequency of 1250 MHz on this card. It features 1792 SPUs as well as 112 Texture Address Units and 32 ROPs.

Display Graphs

Hide Graphs

Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Geforce GTX 770		7854 points
Radeon HD 7950		7731 points
	Difference: 123 (2%)

Ethereum Mining Hash Rate

Radeon HD 7950		21 Mh/s
Geforce GTX 770		14 Mh/s
	Difference: 7 (50%)

Zcash Mining Hash Rate

Radeon HD 7950		235 Sol/s
Geforce GTX 770		70 Sol/s
	Difference: 165 (236%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7950		200 Watts
Geforce GTX 770		230 Watts
	Difference: 30 Watts (15%)

Memory Bandwidth

Performance-wise, the Radeon HD 7950 should in theory be a small bit better than the Geforce GTX 770 overall. (explain)

Radeon HD 7950		240000 MB/sec
Geforce GTX 770		224384 MB/sec
	Difference: 15616 (7%)

Texel Rate

The Geforce GTX 770 will be much (about 49%) faster with regards to anisotropic filtering than the Radeon HD 7950. (explain)

Geforce GTX 770		133888 Mtexels/sec
Radeon HD 7950		89600 Mtexels/sec
	Difference: 44288 (49%)

Pixel Rate

If running with high levels of AA is important to you, then the Geforce GTX 770 is superior to the Radeon HD 7950, by far. (explain)

Geforce GTX 770		33472 Mpixels/sec
Radeon HD 7950		25600 Mpixels/sec
	Difference: 7872 (31%)

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: Memory bandwidth is the maximum amount of information (counted in MB per second) that can be transferred over the external memory interface in one second. It's worked out by multiplying the interface width by its memory clock speed. If it uses DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most 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 card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as 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, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.