GeForce GTX 750 Ti vs Radeon HD 7770

Intro

Compare those specifications to the Radeon HD 7770, which has a core clock frequency of 1000 MHz and a GDDR5 memory frequency of 1125 MHz. It also features a 128-bit bus, and makes use of a 28 nm design. It features 640 SPUs, 40 Texture Address Units, and 16 Raster Operation Units.

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 750 Ti		4562 points
Radeon HD 7770		3180 points
	Difference: 1382 (43%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750 Ti		60 Watts
Radeon HD 7770		80 Watts
	Difference: 20 Watts (33%)

Memory Bandwidth

Performance-wise, the GeForce GTX 750 Ti should theoretically be a small bit better than the Radeon HD 7770 overall. (explain)

GeForce GTX 750 Ti		86400 MB/sec
Radeon HD 7770		72000 MB/sec
	Difference: 14400 (20%)

Texel Rate

The GeForce GTX 750 Ti is just a bit (more or less 2%) faster with regards to anisotropic filtering than the Radeon HD 7770. (explain)

GeForce GTX 750 Ti		40800 Mtexels/sec
Radeon HD 7770		40000 Mtexels/sec
	Difference: 800 (2%)

Pixel Rate

The GeForce GTX 750 Ti should be a bit (more or less 2%) faster with regards to anti-aliasing than the Radeon HD 7770, and able to handle higher resolutions without slowing down too much. (explain)

GeForce GTX 750 Ti		16320 Mpixels/sec
Radeon HD 7770		16000 Mpixels/sec
	Difference: 320 (2%)

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 largest amount of data (in units of megabytes per second) that can be transferred over the external memory interface within a second. It is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR type memory, it must 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, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This number is worked out by multiplying the total texture units 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 per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.