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Written by Bruce Normann   
Tuesday, 13 October 2009
Table of Contents: Page Index
ATI Radeon HD5770 Juniper GPU Video Card
Radeon HD5770 Features
Radeon HD5770 Specifications
Closer Look: Radeon HD 5770
Radeon HD5770 Detailed Features
ATI Eyefinity Multi-Monitors
Video Card Testing Methodology
3DMark Vantage Benchmarks
Crysis Benchmark Results
Devil May Cry 4 Benchmark
Far Cry 2 Benchmarks
Resident Evil 5 Benchmarks
World in Conflict Benchmarks
BattleForge - Renegade Benchmarks
ATI Radeon HD5770 Temperature
VGA Power Consumption
Radeon HD5770 Final Thoughts
ATI Radeon HD5770 Conclusion

Closer Look: Radeon HD5770

The HD 5770 follows the general design of the HD5850 card, only on a slightly smaller scale. The card is only 220 mm long (8.63"), which means it will fit into most any case without an issue. The signature red blower wheel, sourced from Delta is there, pushing air through a finned heatsink block that sits on top of the GPU, and out the back of the card through the small set of vents on the I/O plate.

ATI_Radeon_HD5770_Rear_34_02.jpg

The connections on the rear of the card mimic the HD5800 series exactly: two DVI, one HDMI and one DisplayPort connector. The collection of I/O ports doesn't leave much room for the exhaust vents, but if ATI can keep the HD5800 series cool with the same design, the half-size HD5700 series GPU should be fine. The housing is a one-piece plastic affair, black with red accents. The external appearance hints at a simplistic design; it looks like a cover and nothing more. Once we look inside, that impression will be laid to rest.

ATI_Radeon_HD5770_Front_34_01.jpg

The far end of the card showcases the new "hood scoop" design that is carried over from the high end ATI cards. They don't really feed air into the blower, but do provide some ventilation for some of the power supply components located at this end of the card. Power supply + ventilation is always a good thing. The red racing graphics on the top edge of the new cards is both decorative and functional, as there are some additional vents molded in there.

ATI_Radeon_HD5770_Back_01.jpg

The back of the Radeon HD5770 is bare, which is normal for a card in this market segment. The main features to be seen here are the metal cross-brace for the GPU heatsink screws, which are spring loaded, and the four Hynix GDDR5 memory chips on the back side. They are mounted back-to-back with four companion chips on the top side of the board. There are also five little surprises on the back of the PCB, but I'll show you those when we look at detailed features in the next section.

For most high-end video cards, the cooling system is an integral part of the performance envelope for the card. Make it run cooler, and you can make it run faster was the byword for achieving gaming-class performance from the latest and greatest GPU. Even though the HD5770 is a mid-range card with a small GPU die size, it's still a gaming product and will be pushed to maximum performance levels by most potential customers.

ATI_Radeon_HD5770_HSF-Duct.jpg

Popping off the cover reveals a deceptively simple, ducted heat sink with a copper base and tightly spaced aluminum fins. The blower is thinner than the units in the HD5800 series, but follows the same format. A portion of the duct opens up to the case by way of some vents in the top rail, molded here in red. Clearly, the majority of the air is meant to exhaust through the I/O plate, but it never hurts to have a backup plan. Let's really peel back the covers and have a good look inside.



 

Comments 

 
# low scores on ati 5770 xfrire configronald jan 2010-11-27 20:47
# Low Scores on ati 5770 xfire ? ronald jan 2010-11-27 20:43
i cant seem to know the problem with my set up why im getting a low scores on benchmark test with re5 using ati 5770 GPU.

scores with the same set-up: 1920 x 1200 with all settings were max out 8xAA was only 24.1fps with the single card and 42.1 fps with crossfire setup.

Specs:

GPU: Sapphire ATI 5770 Vapor X crossfire config with 1 crossfire cable connected
Proci: thuban 1090t h50 water cooled
mobo: msi 790gx-65g
hdd: samsung 500gb 7200rpm 3.5
mem: ocz obsidian dd3 1600mhz 4GB ( 2by2Gb)
PSU: thermaltake litepower 600w
Monitor: Sony 32in bravia lcd TV
software: dx 11 cat 10.11 win 7

can somebody please help..could it be some components maybe bottleneck?
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# answered...BruceBruce 2010-11-27 20:59
in the CrossFireX article.
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