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MSI 785GM-E65 Motherboard and AMD 785G Chipset Review
MSI 785GM-E65 Motherboard and AMD 785G Chipset Review - PCSTATS
MSI's 785GM-E65 motherboard is built around the AMD 785G and SB710 chipsets, and features 128MB integrated DDR3 SidePort memory. MSI has adapted the AMD 785G chipset into a micro-ATX form factor, an ideal size for small home and office computers, and best of all Home Theatre PCs.
 80% Rating:   
Filed under: Motherboards Published:  Author: 
External Mfg. Website: MSI Aug 13 2009   J. Apong  
Home > Reviews > Motherboards > MSI 785GM-E65

High-Definition Content Playback Tests

No one can deny that high definition content has been warmly embraced, but what with the success of Blue Ray, today's mainstream media center PCs need HD decoding acceleration like never before. AMD hope to address HD decoding in the 785G chipset with its Unified Video Decoder 2. UVDs directs HD playback decoding to the integrated Radeon HD 4200 GPU, rather than to the AMD processor, allowing the system to playback VC-1, MPEG-2 and H.264 content up to 1080p resolution with less CPU usage.

On the rear I/O of the MSI 785GM-E65 motherboard there are HDMI, DVI-D and analog VGA connectors. The DVI and HDMI ports are HDCP compliant, while the latter supports audio streams.

Overall, all HD playback was smooth and uninterrupted, and showed no visible artifacting or visual anomalies. First up are the Blu-Ray playback tests and then HDD based HD 720p/1080i content playback. The goal of both rounds of testing is low overall CPU utilization.

Blu-Ray Disc HD Playback

Blu-Ray High Definition content demands a lot of PC processing resources during playback, if CPU load becomes too high that can lead to jittery video quality or other artifacts. Many integrated graphics processors now feature Blu-Ray and High Definition H.264, VC1 and M-PEG2 content acceleration decoders to offload this processing from the CPU, freeing up system resources for other tasks.

The PCSTATS Blu-Ray HD content playback test scenario monitors average CPU utilization. It's simple and to the point. The motherboard's integrated graphics processor is taxed in the same way it would be in your home theatre environment, and average percent CPU utilization monitored with Windows task manager. Lower CPU utilization values are best, provided video playback remains smooth and stutter free.

How PCSTATS Tests: Each integrated graphics motherboard is connected to an ASUS MK241 wide screen 1920x1200 (1080P) resolution LCD display with an HDMI cable. The Blu-Ray movie "10,000 BC" (VC1 encrypted) is then played back from Chapter 22 on an ASUS BC-1205PT Blu-ray combo drive, using WinDVD Platinum software and the average fluctuation of CPU load recorded. Lower results are better.

PCSTATS Benchmark ReportBlu-Ray Content Playback Tests (BR-DVD)
Integrated Graphics Solution: % CPU Utilization Ranking
Intel GMA X4500HD 32 - 38%
AMD HD 4200 7 %
AMD HD 3300 6 - 14%
Nforce 750a 18 - 20%

Blu-Ray playback wasn't a huge tax on the AMD 785G chipset. While Intel's G45 chipset paired with a Core 2 Duo E6750 stayed at around 30 to 40% CPU load, the AMD 785G chipset stayed consistently under 30% load while playing back high-def content. Watching Blu-ray movies over the MSI 785GM-E65's HDMI connection was flawless, with both audio and video coming over a single cable without any setup or playback issues.

Hard Drive 720p/1080i Video Playback

Playing high definition content on current generation PCs can bog down even the fastest processors because there is more data to handle. To test the integrated graphics processor's capabilities at HD content accelerating capabilities, we played the High Definition video clip, "The Discoverers" at 720P and 1080i from the hard drive while monitoring the percentage of CPU utilization through Task Manager. Lower results are better.

PCSTATS Benchmark ReportHDD 720p/1080i Video Playback (Discoverers Video Clip)
720P (Avg): Percent CPU Utilization Ranking
Intel DG45ID (IGP G45) 17
MSI 785GM-E65 (IGP HD 4200) 10
ASUS M4A785TD-V Evo (IGP HD 4200) 10
ASUS M4A78T-E (IGP HD 3300) 17
ASUS M3A78-T (IGP HD 3300) 17
Foxconn A7DA-S (IGP HD 3300) 30
ECS A780GM-A (IGP HD 3200) 30
Foxconn A690GM2MA-RS2H (IGP 3000) 35
Biostar Tpower N750 (IGP nF 750a) 24
Biostar TF8200 A2+ (IGP GF 8200) 60
1080i (Avg): Percent CPU Utilization Ranking
Intel DG45ID (Onboard G45 ) 20
ASUS P5Q-EM (Onboard G45 ) 12
MSI 785GM-E65 (IGP HD 4200)


ASUS M4A785TD-V Evo (IGP HD 4200) 16
ASUS M4A78T-E (onboard HD 3300 video) 20
ASUS M3A78-T (onboard HD 3300 video) 22
Foxconn A7DA-S (onboard HD 3300 video) 49
ECS A780GM-A (Onboard HD 3200 Video 53
Foxconn A690GM2MA-RS2H (Onboard Video) 49
Biostar Tpower N750 (onboard nF 750a video) 18
Biostar TF8200 A2+ (onboard GF 8200 video) 64

Again, CPU utilization on the MSI 785GM-E65 platform is minimal, high-bandwidth video should have no problem playing on this chipset thanks to hardware accelerated decoding.

Overclocking and benchmarks are coming up, but first a closer look at the MSI 785GM-E64 motherboard and all it has to offer...

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Contents of Article: MSI 785GM-E65
 Pg 1.  MSI 785GM-E65 Motherboard and AMD 785G Chipset Review
 Pg 2.  ATI Stream and HD Acceleration
 Pg 3.  — High-Definition Content Playback Tests
 Pg 4.  MSI 785GM-E65 Motherboard Highlights
 Pg 5.  Overclocking the Motherboard and IGP, BIOS screenshots
 Pg 6.  Motherboard Benchmarks: Test System Specs & SYSmark 2007
 Pg 7.  Motherboard Benchmarks: Sandra 2009
 Pg 8.  Motherboard Benchmarks: PCMark Vantage
 Pg 9.  Motherboard IGP Benchmarks: 3DMark06
 Pg 10.  Motherboard IGP Benchmarks: 3DMark Vantage, FEAR
 Pg 11.  DX10 Motherboard IGP Benchmarks: Call of Juarez, Crysis
 Pg 12.  Conclusions: AMD 785G - the next IGP Evolution?

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