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R9 290x needs water (Puget systems article)

post #1 of 2
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http://www.pugetsystems.com/labs/articles/Radeon-R9-290X-Performance-Analysis-522/
Quote:
The first potential explanation we found was that the performance of a single R9 290X with the Quiet profile can drop by as much as 5.6% once the system has reached its full load temperature. Putting this in terms of comparing two fictional reviews, Review1 may show the performance of a R9 290X as 58.5 FPS in a specific benchmark if they only ran the benchmark once. Review2, on the other hand, may show the performance of same card in the same setup with the same benchmark settings as 55.8 FPS if they let the system get to full load temperatures before logging the results. Both are accurate, but one is an unrealistic number since you never are going to game for 5 minutes at a time, letting the system cool down between each session. Even if you do loop the benchmark five times like we did in our testing, if you simply take the average of those five runs you would get a result of 56.5 FPS, not the more accurate 55.8 FPS.

If you add a second video card and start testing in Crossfire, the difference is even larger. Even discounting the times when the cards overheated and overrode the Quiet profile's 2200 RPM fan limitation, we saw up to a 12.3% drop in performance once the system was at full load temperature. This time, Review1 would show 91.5 FPS, but Review2 would only show 80.8 FPS. This is a huge difference, and although both are still technically correct, one is clearly an inaccurate representation of what performance you should reasonably expect from a pair of Radeon R9 290X cards using the Quiet profile in Crossfire.
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Workstation stuff
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post #2 of 2
It's an accepted fact now that any reference 290X needs water cooling, otherwise the thermal aspects of the card coupled with that awful vacuum cleaner of a cooler will limit it.

Good article though smile.gif

-Zepp
"D'yer Mak'er"
(46 items)
 
 
Stronger, Stiffer, Cleaner.
EK Waterblocks R9-290X Reinforcement Bracket
CPUMotherboardGraphicsGraphics
Intel 3930K (4.411GHz @ 1.35V) Asus Rampage IV Black Edition Sapphire Radeon R9-290X (1010/1260) Sapphire Radeon R9-290X (1010/1260) 
RAMHard DriveHard DriveHard Drive
Corsair Dominator GT 16GB Kit @ 1604MHz (9-9-9-24) Asus Raidr 240GB PCI-E SSD Samsung EVO 250GB Samsung EVO 250GB 
CoolingCoolingCoolingCooling
(X3) NoiseBlocker BlackSIlentPro PL-2 @ 5V Bitspower 45* Single Rotary Adapter (Matte Blac... (X3) Bitspower Chrome Stop Plug (W/ Black O-Ring) (X2) EK Monarch (Nickle Base, Clean Acetal Top) 
CoolingCoolingCoolingCooling
Bitspower Mini Valve (Matte Black) (X4) NoiseBlocker eLoop B12-2 @ 7V (X3) NoiseBlocker/Phobya eLoop Black "Silent Ed... (X4) NoiseBLocker BlackSilentPro PK-2 @ 7V 
CoolingCoolingCoolingCooling
(X1) NoiseBlock eLoop B12-PS Bitspower X-Station (White) (X3) ModMyToys Splitter PCB (Single 3-Pin --> 5... Bitspower Acrylic Pump Top 
CoolingCoolingCoolingCooling
ModMyToys Splitter PCB (Single 3-Pin --> 3 3-Pins) (X2) EK-FC R9-290X Nickle/Acrylic (X2) EK-FC R9-290X Reinforcement Brackets (X2) EK-FC R9-290X Backplates 
CoolingCoolingCoolingCooling
HardwareLabs BlackIce SR-1 360MM  HardwareLabs BlackIce SR-1 560MM  BItspower Black Mod Kit XSPC D5 Vario 
CoolingCoolingCoolingCooling
Bitspower 150mm Reservoir (Acrylic base, clear ... (X14) Bitspower X47 Acrylic Fittings (Matte Bla... (X3) Bitspower Dual Rotary Snake Fittings (Matt... (X4) Bitspower 90* Angled Fittings (Matte Black) 
CoolingCoolingCoolingOS
(X2) Bitspower Enhanced Dual 45* Multi-Link Ada... (X3) Bitspower Enhanced Dual 90* Multi-Link Ada... Bitspower Pressure Equalizer Stop Plug (Matte B... Windows 8.1 + Full Office Suite 
MonitorKeyboardPowerCase
BenQ XL2420TE Logitech G710+ Silverstone Strider Evolution 1000W (Sleeved by... CaseLabs SMH10, XL Window, standard ventilated ... 
MouseMouse PadAudioOther
Razer Ouroborus  Akasa Venom XXL Schiit Asgard 2 (soon to be happening) (X6) Silverstone 120mm Magnetic Fan Filters 
OtherOther
(X4) Silverstone 140mm Magnetic Fan Filters Vintage Soviet Ushanka Over Monitor, For Good Luck 
CPUMotherboardGraphicsRAM
FX-8350 Asus Crosshair V Forumula-Z MSI R7970-2pmd3gd5/oc (water cooled) Corsair Dominator Platinum 
Hard DriveOSMonitorKeyboard
WD Black  Windows 7 Home Premium  Samsung Syncmaster S20B350H Razer Anansi 
PowerCaseMouseMouse Pad
EVGA Supernova NEX750G Cooler Master HAF-X (Modded) Logitech G700 Cheap one 
AudioOtherOtherOther
Sound Blaster Zxr (when it comes out) CPU Block: Swiftech Apogee HD (Black) X2 120mm Bitfenix Specter PWM Red L.E.D Fans (o... X2 200mm Bitfenix Specter Pro Red L.E.D Fans 
OtherOtherOtherOther
Bitfenix Specter Pro Red L.E.D 230mm Fan X2 Thermal-Star gauge style thermometers w/ cus... 10ft DangerDen Dream Flex 1/2 X 3/4 in Red UV T... GPU Block: Swiftech Komodo R7970 Full Cover 
OtherOtherOtherOther
Phobya 400mm Extreme (Dual 200mm) Radiator Alphacool UT60 120mm Radiator Alphacool XT45 120mm Radiator Swiftech MCP35X PWM Pump (Black) 
OtherOtherOther
FrozenQ 250mm Blood Red Liquid Fusion Reservoir Drainage Loop (AlphaCool matte black T-block, d... Too many Bitspower Black 1/2 X 3/4 Compression ... 
  hide details  
Reply
"D'yer Mak'er"
(46 items)
 
 
Stronger, Stiffer, Cleaner.
EK Waterblocks R9-290X Reinforcement Bracket
CPUMotherboardGraphicsGraphics
Intel 3930K (4.411GHz @ 1.35V) Asus Rampage IV Black Edition Sapphire Radeon R9-290X (1010/1260) Sapphire Radeon R9-290X (1010/1260) 
RAMHard DriveHard DriveHard Drive
Corsair Dominator GT 16GB Kit @ 1604MHz (9-9-9-24) Asus Raidr 240GB PCI-E SSD Samsung EVO 250GB Samsung EVO 250GB 
CoolingCoolingCoolingCooling
(X3) NoiseBlocker BlackSIlentPro PL-2 @ 5V Bitspower 45* Single Rotary Adapter (Matte Blac... (X3) Bitspower Chrome Stop Plug (W/ Black O-Ring) (X2) EK Monarch (Nickle Base, Clean Acetal Top) 
CoolingCoolingCoolingCooling
Bitspower Mini Valve (Matte Black) (X4) NoiseBlocker eLoop B12-2 @ 7V (X3) NoiseBlocker/Phobya eLoop Black "Silent Ed... (X4) NoiseBLocker BlackSilentPro PK-2 @ 7V 
CoolingCoolingCoolingCooling
(X1) NoiseBlock eLoop B12-PS Bitspower X-Station (White) (X3) ModMyToys Splitter PCB (Single 3-Pin --> 5... Bitspower Acrylic Pump Top 
CoolingCoolingCoolingCooling
ModMyToys Splitter PCB (Single 3-Pin --> 3 3-Pins) (X2) EK-FC R9-290X Nickle/Acrylic (X2) EK-FC R9-290X Reinforcement Brackets (X2) EK-FC R9-290X Backplates 
CoolingCoolingCoolingCooling
HardwareLabs BlackIce SR-1 360MM  HardwareLabs BlackIce SR-1 560MM  BItspower Black Mod Kit XSPC D5 Vario 
CoolingCoolingCoolingCooling
Bitspower 150mm Reservoir (Acrylic base, clear ... (X14) Bitspower X47 Acrylic Fittings (Matte Bla... (X3) Bitspower Dual Rotary Snake Fittings (Matt... (X4) Bitspower 90* Angled Fittings (Matte Black) 
CoolingCoolingCoolingOS
(X2) Bitspower Enhanced Dual 45* Multi-Link Ada... (X3) Bitspower Enhanced Dual 90* Multi-Link Ada... Bitspower Pressure Equalizer Stop Plug (Matte B... Windows 8.1 + Full Office Suite 
MonitorKeyboardPowerCase
BenQ XL2420TE Logitech G710+ Silverstone Strider Evolution 1000W (Sleeved by... CaseLabs SMH10, XL Window, standard ventilated ... 
MouseMouse PadAudioOther
Razer Ouroborus  Akasa Venom XXL Schiit Asgard 2 (soon to be happening) (X6) Silverstone 120mm Magnetic Fan Filters 
OtherOther
(X4) Silverstone 140mm Magnetic Fan Filters Vintage Soviet Ushanka Over Monitor, For Good Luck 
CPUMotherboardGraphicsRAM
FX-8350 Asus Crosshair V Forumula-Z MSI R7970-2pmd3gd5/oc (water cooled) Corsair Dominator Platinum 
Hard DriveOSMonitorKeyboard
WD Black  Windows 7 Home Premium  Samsung Syncmaster S20B350H Razer Anansi 
PowerCaseMouseMouse Pad
EVGA Supernova NEX750G Cooler Master HAF-X (Modded) Logitech G700 Cheap one 
AudioOtherOtherOther
Sound Blaster Zxr (when it comes out) CPU Block: Swiftech Apogee HD (Black) X2 120mm Bitfenix Specter PWM Red L.E.D Fans (o... X2 200mm Bitfenix Specter Pro Red L.E.D Fans 
OtherOtherOtherOther
Bitfenix Specter Pro Red L.E.D 230mm Fan X2 Thermal-Star gauge style thermometers w/ cus... 10ft DangerDen Dream Flex 1/2 X 3/4 in Red UV T... GPU Block: Swiftech Komodo R7970 Full Cover 
OtherOtherOtherOther
Phobya 400mm Extreme (Dual 200mm) Radiator Alphacool UT60 120mm Radiator Alphacool XT45 120mm Radiator Swiftech MCP35X PWM Pump (Black) 
OtherOtherOther
FrozenQ 250mm Blood Red Liquid Fusion Reservoir Drainage Loop (AlphaCool matte black T-block, d... Too many Bitspower Black 1/2 X 3/4 Compression ... 
  hide details  
Reply
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