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i5 2500k vs i7 2600k

post #1 of 35
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For a gaming rig with a single HD 5870, which would be the better option, the 2500k or the 2600k?
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post #2 of 35
the 2500k since there are not really any games that will use the hyper threading, though i do love my 2600k
Edited by Razzal - 4/25/11 at 2:43am
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post #3 of 35
If you're just gaming, the 2500K is the obvious choice over the 2600K. The extra $100 is really just for HT and an extra 2MB of cache, not worth the money if you're just gaming.
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post #4 of 35
You would barely see any difference between the 2500 and the 2600 in gaming. The difference is when HT is needed. Maybe a 1-3 fps difference max.

Rendering, video editing and such would see the 2600 pull away from the 2500.
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post #5 of 35
2500K is better choice if You're only gaming. Of course there are some games You can notice 2-4 fps boost by hyperthreading, like GTA IV but I don't think it's worth extra 100$
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post #6 of 35
Quote:
Originally Posted by sp4wners;13263272 
2500K is better choice if You're only gaming. Of course there are some games You can notice 2-4 fps boost by hyperthreading, like GTA IV but I don't think it's worth extra 100$

The video editing comment is very true, but games don't benefit from HT in any way. In fact, it was shown (sorry don't have the link to hand) that HT actually resulting in lower fps due to threads executing on virtual cores. (this perhaps isn't the case with highly threaded games, but for the most part it is true)

I wish I'd gone for the 2600k to be honest - I'd like to fold bigadv wus without having to mess around with virtual machines biggrin.gif
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Intel 2500k 4.7GHz  Asus P8P67 Pro(B3) 2 x Club3D 280X 3GB 16GB g.skill 1600MHz C9 
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Samsung 840 Pro 256GB 4 x 2TB Barracudas in RAID10 2 x WD Blue 1TB RAID0 2 x 3TB Seagate Barracuda 
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8 x 146GB HP 10k SAS - various RAID levels RAID Controller LSI 9260-8i 512MB LiteOn IHAS124 Noctua NH-D15 
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post #7 of 35
You're wrong. With HT off I can get about 58fps in GTA IV and with HT on I'm getting 61fps in the same spot at the same time of day.
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post #8 of 35
there are some performance gains to be sure but for most people that small increase is not worth the large price increase, i am not one of those people but i hear they are out there
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post #9 of 35
Quote:
Originally Posted by sp4wners;13263282 
You're wrong. With HT off I can get about 58fps in GTA IV and with HT on I'm getting 61fps in the same spot at the same time of day.

Yeah you're probably right - I'm just looking at this review, and the 2600k tops the 2500k in 50% of gaming tests, but the 2500k tops the 2600k in the other 50%, but I suppose the extra cache helped as well.
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space heater
(29 items)
 
S-HVH-01
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PfSense
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CPUMotherboardGraphicsRAM
Intel 2500k 4.7GHz  Asus P8P67 Pro(B3) 2 x Club3D 280X 3GB 16GB g.skill 1600MHz C9 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Pro 256GB 4 x 2TB Barracudas in RAID10 2 x WD Blue 1TB RAID0 2 x 3TB Seagate Barracuda 
Hard DriveHard DriveOptical DriveCooling
8 x 146GB HP 10k SAS - various RAID levels RAID Controller LSI 9260-8i 512MB LiteOn IHAS124 Noctua NH-D15 
OSMonitorMonitorMonitor
8.1 Enterprise Acer GD245HQ (120hz) LG W2420P LG IPS231P 
MonitorMonitorKeyboardPower
HP ZR24w LG 32LH3000 (w/IPS) Razer Blackwidow Antec TruePower New 750W 
CaseMouseAudioAudio
Corsair 750D Modified original G5 Asus Xonar PCIe Sennheiser HD595 
AudioAudioAudioAudio
Tannoy Mercury 5 NAD C165BEE Bowers & Wilkins 683 Cambridge Audio DACMagic+ 
CPUCPUMotherboardRAM
Intel® Xeon® Processor E5-2630 v3 (20M Cache, 2... Intel® Xeon® Processor E5-2630 v3 (20M Cache, 2... Lenovo RD650 128GB DDR4 ECC REG 
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720ix 12Gbps SAS RAID Controller with 1GB FBWC RAID 0 - 2 x Intel S3500 120GB SSD (deduped VHD... Intel 530 120GB SSD RAID 10 - 8 x Seagate 146GB 10k SAS  
OSPowerCase
Windows Hyper-V Server 2012 R2 2 x LiteION 750W 80PLUS Platinum RD650 24x2.5" chassis 
CPURAMHard DriveOS
Intel® Xeon® Processor X5650  8GB ECC 2 x 146GB SCSI RAID1 PfSense 2.2b 
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Intel 4 x 1GbE 
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post #10 of 35
In general, you will probably see performance gains of 3-5FPS in games with the 2600K over the 2500K. In some, it might not even be that much - it depends how well multi-threaded they are.

Basically though, for a gaming system, I wouldn't recommend spending the extra amount for the 2600K. Where you will really see the difference is when you're encoding video or rendering 3D graphics.
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