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Change CPU from 4820k to 3930k?

post #1 of 17
Thread Starter 
So I'm planning on downsizing my rig to an matx form factor. Currently I have to option get an matx mobo + 3930k for about $20 more than I can sell my 4820k + motherboard. My question is, for an extra $20, would it be worth it to change my 4820k with a 3930k or should I just stick with my 4820k? Also would an 850w power supply be enough to power an overclocked 3930k plus my sig rig?
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Arc Reactor
(22 items)
 
For Sale: Bunch of fans
$0.00 (USD) or best offer
 
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i7 5820k ASUS X99m WS ASUS RX 480 4x4gb Corsair Vengeance LPX 2400 CL14 
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Samsung 850 Evo 500gb Samsung 840 evo 1tb Samsung 840 evo 120gb Custom water loop 
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post #2 of 17
The i7-3930K is the superior processor between the two. If you're changing your motherboard anyway, then I think $20 for the swap is definitely worth it. And yes, your power supply is sufficient.
post #3 of 17
850W XFX that you have is a Seasonic unit.

It is plenty for 2 R9 290's and a 3930K.
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post #4 of 17
Thread Starter 
Quote:
Originally Posted by chessmyantidrug View Post

The i7-3930K is the superior processor between the two. If you're changing your motherboard anyway, then I think $20 for the swap is definitely worth it. And yes, your power supply is sufficient.
Ya, I figured for $20 the 3920k would be worth it.
Quote:
Originally Posted by iinversion View Post

850W XFX that you have is a Seasonic unit.

It is plenty for 2 R9 290's and a 3930K.
Thanks, so even with overclocking I will have enough wattage to power everything?
Arc Reactor
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i7 5820k ASUS X99m WS ASUS RX 480 4x4gb Corsair Vengeance LPX 2400 CL14 
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Samsung 850 Evo 500gb Samsung 840 evo 1tb Samsung 840 evo 120gb Custom water loop 
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Arc Reactor
(22 items)
 
For Sale: Bunch of fans
$0.00 (USD) or best offer
 
CPUMotherboardGraphicsRAM
i7 5820k ASUS X99m WS ASUS RX 480 4x4gb Corsair Vengeance LPX 2400 CL14 
Hard DriveHard DriveHard DriveCooling
Samsung 850 Evo 500gb Samsung 840 evo 1tb Samsung 840 evo 120gb Custom water loop 
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Windows 10 64bit BenQ XL2730Z  Lenovo 23in 1080p IPS Ducky One 
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post #5 of 17
Quote:
Originally Posted by slothiraptor View Post

Ya, I figured for $20 the 3920k would be worth it.
Thanks, so even with overclocking I will have enough wattage to power everything?
get a 1000w psu if you will oc your cpu,and video cards
post #6 of 17
Thread Starter 
Quote:
Originally Posted by PontiacGTX View Post

get a 1000w psu if you will oc your cpu,and video cards
Im just planning on overclocking my cpu. Should I still upgrade to 1000w or no?
Arc Reactor
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For Sale: Bunch of fans
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i7 5820k ASUS X99m WS ASUS RX 480 4x4gb Corsair Vengeance LPX 2400 CL14 
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Arc Reactor
(22 items)
 
For Sale: Bunch of fans
$0.00 (USD) or best offer
 
CPUMotherboardGraphicsRAM
i7 5820k ASUS X99m WS ASUS RX 480 4x4gb Corsair Vengeance LPX 2400 CL14 
Hard DriveHard DriveHard DriveCooling
Samsung 850 Evo 500gb Samsung 840 evo 1tb Samsung 840 evo 120gb Custom water loop 
OSMonitorMonitorKeyboard
Windows 10 64bit BenQ XL2730Z  Lenovo 23in 1080p IPS Ducky One 
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post #7 of 17
Quote:
Originally Posted by slothiraptor View Post

Im just planning on overclocking my cpu. Should I still upgrade to 1000w or no?
No. You're going to have a hard time drawing 850 watts from your system.
post #8 of 17
Thread Starter 
Quote:
Originally Posted by chessmyantidrug View Post

No. You're going to have a hard time drawing 850 watts from your system.
Thats what I was thinking. Even this psu calculator says I wont need more than 850w and don't these things usually over estimate anyways?
Arc Reactor
(22 items)
 
For Sale: Bunch of fans
$0.00 (USD) or best offer
 
CPUMotherboardGraphicsRAM
i7 5820k ASUS X99m WS ASUS RX 480 4x4gb Corsair Vengeance LPX 2400 CL14 
Hard DriveHard DriveHard DriveCooling
Samsung 850 Evo 500gb Samsung 840 evo 1tb Samsung 840 evo 120gb Custom water loop 
OSMonitorMonitorKeyboard
Windows 10 64bit BenQ XL2730Z  Lenovo 23in 1080p IPS Ducky One 
PowerCaseMouseAudio
Seasonic X-850 Arc Mini R2 Logitech G502 Micca MB42x 
AudioAudioAudioAudio
SMLS SA-36A Amp Sennheiser HD650 ModMic 4.0 JDS Labs ODAC 
Audio
Schiit Magni 2 Uber 
  hide details  
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Arc Reactor
(22 items)
 
For Sale: Bunch of fans
$0.00 (USD) or best offer
 
CPUMotherboardGraphicsRAM
i7 5820k ASUS X99m WS ASUS RX 480 4x4gb Corsair Vengeance LPX 2400 CL14 
Hard DriveHard DriveHard DriveCooling
Samsung 850 Evo 500gb Samsung 840 evo 1tb Samsung 840 evo 120gb Custom water loop 
OSMonitorMonitorKeyboard
Windows 10 64bit BenQ XL2730Z  Lenovo 23in 1080p IPS Ducky One 
PowerCaseMouseAudio
Seasonic X-850 Arc Mini R2 Logitech G502 Micca MB42x 
AudioAudioAudioAudio
SMLS SA-36A Amp Sennheiser HD650 ModMic 4.0 JDS Labs ODAC 
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Schiit Magni 2 Uber 
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post #9 of 17
with a 4.7Ghz 3930k and crossfire 290x at 1250 core/1650 memory with +100mv I was drawing 1.21kw from the wall during GTA V

Now that said, with no overclock on the cpu and no overclock on either card, I was drawing only like 800w during heavy game play.

It was 350w on just idle.....
Edited by ShortySmalls - 5/20/15 at 7:42pm
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post #10 of 17
Quote:
Originally Posted by slothiraptor View Post

Ya, I figured for $20 the 3920k would be worth it.
Thanks, so even with overclocking I will have enough wattage to power everything?

Depends on the overclocking. Mild OCs and you will be fine.

Don't be scared by the above posters results, when you add efficiency into the calcutions it's much less actual wattage.

What kind of OCing do you have planned
Celerity
(20 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7-6850K @ 4.5GHz / 1.41v Asus X99 Deluxe II EVGA GTX 980 Ti Classified  Corsair Vengeance LPX 4x8GB 3000MHz 
Hard DriveHard DriveCoolingCooling
Samsung 850 Pro 256 GB Western Digital Purple 2TB XSPC Raystorm Pro XSPC RX 360 
CoolingOSMonitorMonitor
XSPC D5 Photon 170 Windows 7 Professional BenQ GW2765 ViewSonic XG2401 
KeyboardPowerCaseMouse
Corsair Strafe RGB MX Silent EVGA SuperNOVA G2 750W Fractal Design Define S Logitech G900 
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SteelSeries QCK+ Sennheiser HD 598 FiiO E10K Cablemod Sleeved Cables (Black/White) 
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Celerity
(20 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7-6850K @ 4.5GHz / 1.41v Asus X99 Deluxe II EVGA GTX 980 Ti Classified  Corsair Vengeance LPX 4x8GB 3000MHz 
Hard DriveHard DriveCoolingCooling
Samsung 850 Pro 256 GB Western Digital Purple 2TB XSPC Raystorm Pro XSPC RX 360 
CoolingOSMonitorMonitor
XSPC D5 Photon 170 Windows 7 Professional BenQ GW2765 ViewSonic XG2401 
KeyboardPowerCaseMouse
Corsair Strafe RGB MX Silent EVGA SuperNOVA G2 750W Fractal Design Define S Logitech G900 
Mouse PadAudioAudioOther
SteelSeries QCK+ Sennheiser HD 598 FiiO E10K Cablemod Sleeved Cables (Black/White) 
  hide details  
Reply
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