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Overclocking fear.

post #1 of 4
Thread Starter 
Hi there,

I'm thinking about pumping my "runs very cool" Radeon HD 5870, but since it's a non-ref design and it has no memory cooling (and no core voltage control), I'm afraid of burning something.

I've pushed the core clocks up towards 900MHz from 825MHz, but I don't feel like going further. Memory will crash no matter what I do even with a 40MHz overclock.

Shall I rip off some old K7 heatsinks and make some coolers? Or will it be enough just by rising the core speed?


Edit: Right now it sits 41ºC idle and 55ºC full load (Furmark)
   
AGP bencher
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AGP bencher
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AMD A10-5700 Gigabyte F2A75M-HD2 G.SKILL Ares 2133 CL9 Hitachi 5K750 
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post #2 of 4
Don't be afraid, its only silicon

Just watch temps and be ready to downclock if something goes wrong. But without any software overvolting or voltage mods you should really be safe no matter what you set the clocks to, worst that can really happen is it crashes.
Nehalem
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Nehalem
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post #3 of 4
Thread Starter 
I don't know wwhere's this fear coming from really...
I've been crude and terrible with my previous FX6200 (from 325/650 to 431/930), with my 8800GT (650/900 to 800/1050), and with my two current CPUs (Opty 1214 @3179 on suicides, X6 1055T 125W @4424 on suicides)...


Well, let's open Furmark and overclock this bish a bit



Let's see how far does it reach without needing a voltmod (that will be done once the warranty's gone, that way I can purchase a new card TROLOLOLO)


Let's go!
   
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AGP bencher
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CPUMotherboardRAMHard Drive
AMD A10-5700 Gigabyte F2A75M-HD2 G.SKILL Ares 2133 CL9 Hitachi 5K750 
Hard DriveCoolingOSMonitor
Momentus .7 200GB Noctua NH-L9a Server 2012 R2 Standard AUO B156HW01 
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post #4 of 4
Thread Starter 
Wow, so far I'm very happy with the results!!

Seems that overclocking the card triggered the super power saving mode (core 157MHz, mems 300MHz, 1.05 vGPU), and with my custom fan profile, the card sits at 31ºC idling, and the best is still to come... on GTAIV at 900MHz core 80% usage, it stays at 51ºC!!

Furmark doesn't beat 58ºC though.
   
AGP bencher
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CoolingCoolingCoolingCooling
EKWB Supreme HF XSPC Rasa GPU EK XT360 EK 4.0 
OSMonitorMonitorKeyboard
W10 Pro LG IPS235 LG E2250V KUL ES-87 
PowerCaseMouseAudio
SF Leadex II 650W Lian Li PC-A05NB Logitech G9 Xonar DX 
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SMSL SA-S3+Technics CB-250 Sennheiser HD555 
CPUMotherboardRAMHard Drive
AMD A10-5700 Gigabyte F2A75M-HD2 G.SKILL Ares 2133 CL9 Hitachi 5K750 
Hard DriveCoolingOSMonitor
Momentus .7 200GB Noctua NH-L9a Server 2012 R2 Standard AUO B156HW01 
PowerCaseOther
PicoPSU-80-WI-25V AIO Aluminium Handmade TP-Link Archer Something Something Wi-Fi AC 
CPUCPUCPUMotherboard
Core2Duo E6400 Core2Quad Q6600 Pentium Dual Core E5200 AsRock 4COREDUAL-SATA2 R2.0 
GraphicsRAMHard DriveOptical Drive
A dumpload of ancient AGP cards Kingston Value DDR2-667 CL4 2T @CL3 1T Seagate 160GB 7200.10 LG IDE DVD-ROM 
CoolingCoolingOSMonitor
Ghettomade CPU waterblock 49cc 2stroke engine copper radiator WinXP SP2 32bit ProView 17" 
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Tacens Radix V 550W Ghetto aluminium bench 
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AGP bencher
(14 items)
 
CPUMotherboardGraphicsRAM
Ryzen R7 1700 Gigabyte GA-AX370-Gaming 5 Sapphire HD 6950 2GiB 2x8GB KFA2 HOF DDR4-3600 
Hard DriveHard DriveHard DriveHard Drive
Crucial MX100 256GB Seagate 600 Series 240GB Seagate 7200.14 2TB Samsung F3 1TB 
CoolingCoolingCoolingCooling
EKWB Supreme HF XSPC Rasa GPU EK XT360 EK 4.0 
OSMonitorMonitorKeyboard
W10 Pro LG IPS235 LG E2250V KUL ES-87 
PowerCaseMouseAudio
SF Leadex II 650W Lian Li PC-A05NB Logitech G9 Xonar DX 
AudioAudio
SMSL SA-S3+Technics CB-250 Sennheiser HD555 
CPUMotherboardRAMHard Drive
AMD A10-5700 Gigabyte F2A75M-HD2 G.SKILL Ares 2133 CL9 Hitachi 5K750 
Hard DriveCoolingOSMonitor
Momentus .7 200GB Noctua NH-L9a Server 2012 R2 Standard AUO B156HW01 
PowerCaseOther
PicoPSU-80-WI-25V AIO Aluminium Handmade TP-Link Archer Something Something Wi-Fi AC 
CPUCPUCPUMotherboard
Core2Duo E6400 Core2Quad Q6600 Pentium Dual Core E5200 AsRock 4COREDUAL-SATA2 R2.0 
GraphicsRAMHard DriveOptical Drive
A dumpload of ancient AGP cards Kingston Value DDR2-667 CL4 2T @CL3 1T Seagate 160GB 7200.10 LG IDE DVD-ROM 
CoolingCoolingOSMonitor
Ghettomade CPU waterblock 49cc 2stroke engine copper radiator WinXP SP2 32bit ProView 17" 
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Tacens Radix V 550W Ghetto aluminium bench 
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