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GeForce GTX 560 Ti vs Radeon HD 5770

Intro

The GeForce GTX 560 Ti features a core clock frequency of 822 MHz and a GDDR5 memory speed of 1002 MHz. It also makes use of a 256-bit bus, and uses a 40 nm design. It features 384 SPUs, 64 Texture Address Units, and 32 Raster Operation Units.

Compare those specifications to the Radeon HD 5770, which makes use of a 40 nm design. ATi has clocked the core speed at 850 MHz. The GDDR5 memory is set to run at a speed of 1200 MHz on this model. It features 800(160x5) SPUs along with 40 TAUs and 16 ROPs.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5770 108 Watts
GeForce GTX 560 Ti 170 Watts
Difference: 62 Watts (57%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 560 Ti is 67% faster than the Radeon HD 5770 overall, because of its higher bandwidth. (explain)

GeForce GTX 560 Ti 128256 MB/sec
Radeon HD 5770 76800 MB/sec
Difference: 51456 (67%)

Texel Rate

The GeForce GTX 560 Ti is quite a bit (about 55%) better at AF than the Radeon HD 5770. (explain)

GeForce GTX 560 Ti 52608 Mtexels/sec
Radeon HD 5770 34000 Mtexels/sec
Difference: 18608 (55%)

Pixel Rate

The GeForce GTX 560 Ti will be quite a bit (about 93%) more effective at AA than the Radeon HD 5770, and able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 560 Ti 26304 Mpixels/sec
Radeon HD 5770 13600 Mpixels/sec
Difference: 12704 (93%)

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

Please note that the price comparisons are based on search keywords, and might not be the exact same card listed on this page. We have no control over the accuracy of their search results.

GeForce GTX 560 Ti

Amazon.com

Other US-based stores

Radeon HD 5770

Amazon.com

Other US-based stores

Specifications

Model GeForce GTX 560 Ti Radeon HD 5770
Manufacturer nVidia ATi
Year January 2011 October 13, 2009
Code Name GF114 Juniper XT
Fab Process 40 nm 40 nm
Bus PCIe x16 PCIe 2.1 x16
Memory 1024 MB 1024 MB
Core Speed 822 MHz 850 MHz
Shader Speed 1645 MHz (N/A) MHz
Memory Speed 1002 MHz (4008 MHz effective) 1200 MHz (4800 MHz effective)
Unified Shaders 384 800(160x5)
Texture Mapping Units 64 40
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 3.2
Power (Max TDP) 170 watts 108 watts
Shader Model 5.0 5.0
Bandwidth 128256 MB/sec 76800 MB/sec
Texel Rate 52608 Mtexels/sec 34000 Mtexels/sec
Pixel Rate 26304 Mpixels/sec 13600 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be moved over the external memory interface within a second. The number is worked out by multiplying the bus width by the speed of its memory. If the card has DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per 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 video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Comments

3 Responses to “GeForce GTX 560 Ti vs Radeon HD 5770”
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[...] Third argument is upgradability. Go google “iMac”. Look at it. It’s a giant white square pancake with a keyboard and a mouse with one button connected to it. It’s like a laptop: not very powerful and annoying to upgrade. Notice I said “annoying” and not impossible. Upgrading RAM is just finding compatible RAM and slotting it in which I think means the Apple store or Apple suppliers only. Not much room for fans there either. I went to the electronics store here the other day and touched the back of the screen of an iMac that had been on all day… it literally burnt my fingers. You could look into the Mac Pro, the tower Mac but they range in price from $2.5k- $5k (AU$3k-$6k). Here I’d like to point out that for AU$3400 (comparing to the AU$6k Mac Pro), you can get the NRG Avalanche that has half the cores (6 cores @ 3.9Ghz that have been overclocked to 4.5Ghz), twice as much hard drive space (plus a 120GB SSD), 10GB more RAM, and a slightly more powerful graphics card. [...]
[...] and this build are between the CPU and graphics card. The NVIDIA GeForce GTX 560 Ti in our build offers significantly better performance, so if your needs are GPU-intensive you’re in much better shape with the Hack Pro. When it [...]

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