Rankings and Points
Global 1 Cores GPU Team Power Rank
0.0 Points
ATi
Radeon HD 4890
Team Power Rank
24.4 Points
Hardware Details
Memory
Product G.Skill PI Cooling Air (Custom) Type 4096 MB DDR3 SDRAM Speed @ 2,604 MHz Timings 9-11-9-28
Videocard
Model ATi Radeon HD 4890 (RV790) Cooling Liquid Nitrogen Speed 1,210 MHz (+42.35%) / 1,250 MHz (+38.89%)
Comments
Good stuff!
How do you keep the VRM cool? I don't see heatsinks.
I'm asking this, because I'm going to bench 4890 soon, but it will be my first HD4890 under cold.
No sinks. Full pot, so there's a reasonable amount of PCB cold creep. But those fans in the back of the picture, I also have one of those pointed at the VRM which was moved for this picture - they move a lot of air. Afterburner tops out at 1.5V, so not a ton of voltage involved.
Dunno if that might be holding me back under other benches. I tried running 3d06 also last night but couldn't get it running under respectable clocks. Gotta figure that out but haven't spent much time on it yet.
I personally use the TPU GPU clock tool, which works fine for reference cards - you can increase VMEM too.
I found a passive zalman VRM heatsiink for HD4890 in my boxes, so I'm gonna use that + a strong fan.
Had a great card (1130/1330 1.4625V Vgpu - '01 on water), but it died under a strange circumstances at 24/7 clocks.
Does that tool have profiles? I often use the keyboard hotkeys afterburner gives. May try that out for vmem tho at least. Thanks.
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