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Radeon HD 5770 vs Radeon HD 6770 1GB


The Radeon HD 5770 makes use of a 40 nm design. AMD has clocked the core frequency at 850 MHz. The GDDR5 RAM works at a frequency of 1200 MHz on this particular model. It features 800(160x5) SPUs as well as 40 Texture Address Units and 16 ROPs.

Compare all of that to the Radeon HD 6770 1GB, which comes with a core clock speed of 900 MHz and a GDDR5 memory frequency of 1050 MHz. It also uses a 128-bit memory bus, and makes use of a 40 nm design. It features 800 SPUs, 40 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

The Radeon HD 5770 should theoretically perform a bit faster than the Radeon HD 6770 1GB in general. (explain)

Radeon HD 5770 76800 MB/sec
Radeon HD 6770 1GB 67200 MB/sec
Difference: 9600 (14%)

Texel Rate

The Radeon HD 6770 1GB will be a little bit (approximately 6%) better at anisotropic filtering than the Radeon HD 5770. (explain)

Radeon HD 6770 1GB 36000 Mtexels/sec
Radeon HD 5770 34000 Mtexels/sec
Difference: 2000 (6%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon HD 6770 1GB is the winner, but it probably won't make a huge difference. (explain)

Radeon HD 6770 1GB 14400 Mpixels/sec
Radeon HD 5770 13600 Mpixels/sec
Difference: 800 (6%)

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

Radeon HD 5770

Radeon HD 6770 1GB


Display Specifications

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Model Radeon HD 5770 Radeon HD 6770 1GB
Manufacturer AMD AMD
Year October 13, 2009 January 2011
Code Name Juniper XT Juniper XT
Memory 1024 MB 1024 MB
Core Speed 850 MHz 900 MHz
Memory Speed 4800 MHz 4200 MHz
Power (Max TDP) 108 watts 108 watts
Bandwidth 76800 MB/sec 67200 MB/sec
Texel Rate 34000 Mtexels/sec 36000 Mtexels/sec
Pixel Rate 13600 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 800(160x5) 800
Texture Mapping Units 40 40
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 1040 million 1040 million
Bus PCIe 2.1 x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 3.2 OpenGL 4.1

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. It is worked out by multiplying the card's bus width by its memory speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's 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 can be processed in one second. This figure is worked out by multiplying the total number of texture units of the card by the core 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 applied per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write 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 clock speed of the card. 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 lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Radeon HD 5770

Radeon HD 6770 1GB


26 Responses to “Radeon HD 5770 vs Radeon HD 6770 1GB”
5670 512 o la hd 5670 1gb?? says:

[...] mejor porque trabaja con drivers nuevos) y ademas la pienso vender luego, por lo tanto mas actual. Radeon HD 5770 vs Radeon HD 6770 1GB – Performance Comparison Benchmarks @ Hardware Compare Radeon HD 5670 vs Radeon HD 5770 – Performance Comparison Benchmarks @ Hardware Compare [...]

Is this a good gaming setup ? says:

[...] [...]

amd ati hd 6770 - My Garage says:

[...] aici ca sa-ti faci o idee despre diferentele dintre 5770 si 6770 . __________________ R.I.P. Toranagah, Mon [...]

Ayuda, que VGA comprar? says:

[...] [...]

Final config of my PC.. Pls. choose for me ! - Digit Technology Discussion Forum says:

[...] Re: Final config of my PC.. Pls. choose for me ! hmm.. okay.. This seems to be a very good deal for me @ 5.4k ! Theitdepot - XFX Radeon HD6770 1GB DDR3 ATI PCI E Graphic Cards (HD-667X-ZHF3) Although its the ddr3 version, I see that the 6770 has opengl 4.1 support as against 5770's opengl 3.2 support Radeon HD 5770 vs Radeon HD 6770 1GB – Performance Comparison Benchmarks @ Hardware Compare [...]

Shefath says:

I would recommend the 5770 because benchmarks tend to prefer that one and the card has more bandwith too.

placa video pana la 400 lei (+ configuratia pc'ului meu) - Page 2 - My Garage says:

[...] pe diferente modeste ? Parerea mea ... PS: Ai o comparatie "eala" intre generatii : BAfta la algere, Flavius [quote=AndrMr;1140800] Alta chestie de stiu, placile 6670, 6750, 6770 [...]

meg says:

can you crossfire a 5770 with a 6770??

meh says:

can you crossfire a 5770 with a 6770

Pete says:

Probably not, the cards need to be of at least the same generation. Besides, these two cards are so close you might as well get a second 5770 if you're going to upgrade, save you some hassle.

HD5770 vs. HD6770 says:

[...] im dauertieffall ist. Hab mich im netz mal versucht schlau zu machen und hab auch ein paar tests zwischen den 2 karten gefunden, im grunde geben diese sich ja nicht viel, teilweise punktet ja [...]

Sid says:

It's a shame that the new generation improved so low from the previous,with prices rising sky-high.I really think the 6770 should have been better.

nitin says:

which is the best gpu 5770 or 6770?

ben says:

i have the 6770 but after about a mond i still cant connect my 3 displays, my pc is sure good enough, i7 @3.40, 8gb RAM 2tb HD ... mail me benjamin1995 AT

admin says:

@ben - That's a bit beyond the scope of this site, but maybe this will help?

Subir says:

6770 banwidth is actually 76.8 gb/sec...dont belief this site:-p

Scelta Scheda Video High says:

[...] ecco che vantaggi portava nella fascia medio-bassa 6770 vs 5770 (si e no un 10% di differenza) Radeon HD 5770 vs Radeon HD 6770 1GB – Performance Comparison Benchmarks @ Hardware Compare Rispondi [...]

Duda Duda!!! says:

[...] es ligeramente mayor la 6770 porq pertenece a una generacion adelante. Aki una comparativa: 6770 vs 5770 [...]

scheda grafica x battlefield 3 - Pagina 2 says:

[...] e che crolla se attivi le dx11 sisi infatti hai proprio ragione vedo anche nelle comparazioni:Radeon HD 5770 vs Radeon HD 6770 1GB – Performance Comparison Benchmarks @ Hardware Compare MAH!!! Rispondi [...]

Need help in GFX Card and Motherboard. - says:

[...] ard the shops at SLS. Or buy 2nd hand at forums for ard $70. Best bang for buck for your budget. Radeon HD 5770 vs Radeon HD 6770 1GB – Performance Comparison Benchmarks @ Hardware Compare Maximum Detail Benchmarks : Diablo III Performance, Benchmarked __________________ [ [...]

MAL22 says:

You idiots, the HD 6770 and the HD 5770 are the same damn cards except that the 6770.

فروش کارت گرافیک HD 5770 HIS ICQ5 says:

[...] ارزون دادم الان قاطی کردم دوست گلم این بنچمارکش Radeon HD 5770 vs Radeon HD 6770 1GB – Performance Comparison Benchmarks @ Hardware Compare بعدم دوست عزیزم الآن همه میدونن که برندها تفاوت [...]

Denzyl says:

At what resolution can the hd 6770 handle games like Crysis 2,Battlefield 3...etc at max settings? Please reply...

leato15 says:

como hago la diferencia de una tajreta de video

ttfurujr says:


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