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core i5 750 or core i7 920 ???

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post #1 of 94

11/25/09 at 9:36am

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the magical me
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hello all...

I have a quick question regarding which one to get from these 2 processors: core i5 750 (2.66 GHz) or core i7 920 (2.66 GHz)?

I am confused since the 2 ones seem to be similar to each other except for that the core i5 has no HT, while the i7 does have, but on the other hand... the Core i5 memory controller 1333, while the Core i7 is only 1066, and not to mention that the Core i5 has the Turbo technology while the Core i7 has not.
so I need your help in this, I need to know:
1- which one of these 2 CPUs would be faster on stock speed.

2- which one would overclock higher?

3- both would be with at least 6 GB DDR3 so which one is best ?

for sure I am going to replace the board with some one that fits them and I think it is more likely to be the Asus P5p43td pro

so now what do you say please ???

which one.... which one ?

thank you all
Edited by the magical me - 11/25/09 at 9:42am

CPU	Motherboard	Graphics	RAM
Core i7 860 @ stock.	Intel DH55CT	MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S...	Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3
Hard Drive	Optical Drive	Optical Drive	Cooling
Hitachi 250 GB SATA, 7200RPM, 8MB cache.	LG DVD writer x22	Asus Lite Scribe DVD writer x18.	AMA Phantom air cooler.
OS	Monitor	Keyboard	Power
Windows 7 ultimate SP1 64-bit	LG E2260 LED 22 inch wide 1080P full HD.	Genius PS2	FSP Everest 80plus 800 watt quad-rail.
Case	Mouse	Mouse Pad	Audio
Magic	Delux USB.	Teletabies	built-in RealTek HD. for Creative 4.1 Supwoofer .
Other
Technisat Skystar2 PCI satellite card.
View all

hide details

CPU	Motherboard	Graphics	RAM
Core i7 860 @ stock.	Intel DH55CT	MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S...	Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3
Hard Drive	Optical Drive	Optical Drive	Cooling
Hitachi 250 GB SATA, 7200RPM, 8MB cache.	LG DVD writer x22	Asus Lite Scribe DVD writer x18.	AMA Phantom air cooler.
OS	Monitor	Keyboard	Power
Windows 7 ultimate SP1 64-bit	LG E2260 LED 22 inch wide 1080P full HD.	Genius PS2	FSP Everest 80plus 800 watt quad-rail.
Case	Mouse	Mouse Pad	Audio
Magic	Delux USB.	Teletabies	built-in RealTek HD. for Creative 4.1 Supwoofer .
Other
Technisat Skystar2 PCI satellite card.
View all

hide details

post #2 of 94

11/25/09 at 9:38am

neurolysis
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Location: Newcastle, England
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IIRC, the main upsides of i7 are triple channel and HT. I've seen both i5s and i7s go up to 4GHz a lot, but I'd surmise from the number of 5GHz i7 clocks I've seen that the i7 is the one to go for for OCing.

CPU	Motherboard	Graphics	RAM
Phenom II x4 940 @ 3.6 GHz	GA-MA790X-UD4P	XFX 260GTX (216SP) OC @ 673/1101/1451	Corsair XMS2 DHX PC2-6400 (4GB) w\ 5-5-5-18\900MHz
Hard Drive	Optical Drive	OS	Monitor
1.5TB Seagate Terracuda	LG GGC-H20N	Windows XP SP3	24'' Optiquest LCD
Keyboard	Power	Case	Mouse
Logitech G15 (2nd generation)	850W Powercool 80+ Quad 12v Rail	Akasa Zen (White)	Logitech MX518
Mouse Pad
SteelSeries QCK+
View all

hide details

CPU	Motherboard	Graphics	RAM
Phenom II x4 940 @ 3.6 GHz	GA-MA790X-UD4P	XFX 260GTX (216SP) OC @ 673/1101/1451	Corsair XMS2 DHX PC2-6400 (4GB) w\ 5-5-5-18\900MHz
Hard Drive	Optical Drive	OS	Monitor
1.5TB Seagate Terracuda	LG GGC-H20N	Windows XP SP3	24'' Optiquest LCD
Keyboard	Power	Case	Mouse
Logitech G15 (2nd generation)	850W Powercool 80+ Quad 12v Rail	Akasa Zen (White)	Logitech MX518
Mouse Pad
SteelSeries QCK+
View all

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post #3 of 94

11/25/09 at 9:40am

tK FuRY
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Joined: May 2009
Location: Alpharetta, GA
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From what I've heard the i5 actually beats the i7 in SOME categories, but by only a few % / points.

In memory intensive tasks the i7 will still prevail.

1. Clock for clock I think the i7 will still come on top
2. I haven't seen i5 clocks but I know most of the new i7s can get 4.0-4.5GHz with low volts.\\

EDIT: The board you said you will most likely get won't be compatible with either of those CPUs.

If you're on a budget think about this, a decent i7 board is $200++ while a decent i5 board is only <$200.
Edited by tK FuRY - 11/25/09 at 9:43am

CPU	Motherboard	Graphics	RAM
i7 2700k @ 5GHz	ASUS Maximus IV	Zotac GTX 580 AMP!	16GB G.Skill Ripjaw X
Hard Drive	Hard Drive	Cooling	OS
2x Crucial M4 128GB	2x Samsung Spinpoint F3	Corsair H100 Push Pull	Windows 7 Ultimate Retail x64
Keyboard	Power	Case	Mouse
DAS Ultimate	Corsair HX1000	White HAF932	Razer Deathadder
View all

hide details

CPU	Motherboard	Graphics	RAM
i7 2700k @ 5GHz	ASUS Maximus IV	Zotac GTX 580 AMP!	16GB G.Skill Ripjaw X
Hard Drive	Hard Drive	Cooling	OS
2x Crucial M4 128GB	2x Samsung Spinpoint F3	Corsair H100 Push Pull	Windows 7 Ultimate Retail x64
Keyboard	Power	Case	Mouse
DAS Ultimate	Corsair HX1000	White HAF932	Razer Deathadder
View all

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post #4 of 94

11/25/09 at 9:43am

spacegoast
Str8 stalkin n chkn hawkn

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Gaming wise, go i5. If you need HT, go i7. I would save the money though and get the i5. Dual channel RAM is still a lot cheaper than tri-channel and so are the P55 motherboards. It all adds up.

CPU	Motherboard	Graphics	RAM
i5 2500k (4.7ghz at 1.33v)	Asus Maximus IV Extreme	MSI GTX 580 Lightning TFIII SLI	16GB(4x4GB) G. Skil Sniper
Hard Drive	Hard Drive	Optical Drive	Cooling
Crucial M4	OCZ Agilitty 3	Asus dvd-rom (sata)	Corsair H80 P/P
OS	Monitor	Keyboard	Power
Windows 7 Ultimate X64	Asus 24"	Filco Ninja	Enermax Revolutions 1050w
Case	Mouse	Mouse Pad
Silverstone Raven RV02	Cyborg RAT 7	Steel Series
View all

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CPU	Motherboard	Graphics	RAM
i5 2500k (4.7ghz at 1.33v)	Asus Maximus IV Extreme	MSI GTX 580 Lightning TFIII SLI	16GB(4x4GB) G. Skil Sniper
Hard Drive	Hard Drive	Optical Drive	Cooling
Crucial M4	OCZ Agilitty 3	Asus dvd-rom (sata)	Corsair H80 P/P
OS	Monitor	Keyboard	Power
Windows 7 Ultimate X64	Asus 24"	Filco Ninja	Enermax Revolutions 1050w
Case	Mouse	Mouse Pad
Silverstone Raven RV02	Cyborg RAT 7	Steel Series
View all

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post #5 of 94

11/25/09 at 9:43am

supaspoon
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1- which one of these 2 CPUs would be faster on stock speed.

i7 will be faster in environments that actually use the multi-threading. Otherwise they're prob. comparable. It depends what you're doing.

2- which one would overclock higher?

Either or.

3- both would be with at least 6 GB DDR3 so which one is best ?

???

It's a lot easier to help you decide which is best for you if you can describe the primary things you'll be using the machine for.

CPU	Motherboard	Graphics	RAM
i7 920 d0 - 4.4ghz w/ HT @ 1.37v	EVGA x58 LE	4890 xfire	12gb ocz Flex @ 1680
Hard Drive	OS	Monitor	Power
Velociraptor / 2x WD Black 2tb's	Win7x64	27in+22in LCD	corsair tx950w
Case
Black Pearl
View all

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CPU	Motherboard	Graphics	RAM
i7 920 d0 - 4.4ghz w/ HT @ 1.37v	EVGA x58 LE	4890 xfire	12gb ocz Flex @ 1680
Hard Drive	OS	Monitor	Power
Velociraptor / 2x WD Black 2tb's	Win7x64	27in+22in LCD	corsair tx950w
Case
Black Pearl
View all

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post #6 of 94

11/25/09 at 9:51am

Thread Starter

the magical me
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oops... it seems that the motherboard I mention is LGA 775, so forget it, I am going to concider another one.

CPU	Motherboard	Graphics	RAM
Core i7 860 @ stock.	Intel DH55CT	MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S...	Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3
Hard Drive	Optical Drive	Optical Drive	Cooling
Hitachi 250 GB SATA, 7200RPM, 8MB cache.	LG DVD writer x22	Asus Lite Scribe DVD writer x18.	AMA Phantom air cooler.
OS	Monitor	Keyboard	Power
Windows 7 ultimate SP1 64-bit	LG E2260 LED 22 inch wide 1080P full HD.	Genius PS2	FSP Everest 80plus 800 watt quad-rail.
Case	Mouse	Mouse Pad	Audio
Magic	Delux USB.	Teletabies	built-in RealTek HD. for Creative 4.1 Supwoofer .
Other
Technisat Skystar2 PCI satellite card.
View all

hide details

CPU	Motherboard	Graphics	RAM
Core i7 860 @ stock.	Intel DH55CT	MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S...	Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3
Hard Drive	Optical Drive	Optical Drive	Cooling
Hitachi 250 GB SATA, 7200RPM, 8MB cache.	LG DVD writer x22	Asus Lite Scribe DVD writer x18.	AMA Phantom air cooler.
OS	Monitor	Keyboard	Power
Windows 7 ultimate SP1 64-bit	LG E2260 LED 22 inch wide 1080P full HD.	Genius PS2	FSP Everest 80plus 800 watt quad-rail.
Case	Mouse	Mouse Pad	Audio
Magic	Delux USB.	Teletabies	built-in RealTek HD. for Creative 4.1 Supwoofer .
Other
Technisat Skystar2 PCI satellite card.
View all

hide details

post #7 of 94

11/25/09 at 10:02am

Thread Starter

the magical me
4.0ghz

Joined: Nov 2008
Posts: 2,304
Rep: 46 (Unique: 38)
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so what about that i7 memory controller is only 1066, while i5 is 1333 ???

how much does that make difference ?

and how much the extra one memory channel makes difference over the core i5 that lacks it ?

CPU	Motherboard	Graphics	RAM
Core i7 860 @ stock.	Intel DH55CT	MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S...	Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3
Hard Drive	Optical Drive	Optical Drive	Cooling
Hitachi 250 GB SATA, 7200RPM, 8MB cache.	LG DVD writer x22	Asus Lite Scribe DVD writer x18.	AMA Phantom air cooler.
OS	Monitor	Keyboard	Power
Windows 7 ultimate SP1 64-bit	LG E2260 LED 22 inch wide 1080P full HD.	Genius PS2	FSP Everest 80plus 800 watt quad-rail.
Case	Mouse	Mouse Pad	Audio
Magic	Delux USB.	Teletabies	built-in RealTek HD. for Creative 4.1 Supwoofer .
Other
Technisat Skystar2 PCI satellite card.
View all

hide details

CPU	Motherboard	Graphics	RAM
Core i7 860 @ stock.	Intel DH55CT	MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S...	Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3
Hard Drive	Optical Drive	Optical Drive	Cooling
Hitachi 250 GB SATA, 7200RPM, 8MB cache.	LG DVD writer x22	Asus Lite Scribe DVD writer x18.	AMA Phantom air cooler.
OS	Monitor	Keyboard	Power
Windows 7 ultimate SP1 64-bit	LG E2260 LED 22 inch wide 1080P full HD.	Genius PS2	FSP Everest 80plus 800 watt quad-rail.
Case	Mouse	Mouse Pad	Audio
Magic	Delux USB.	Teletabies	built-in RealTek HD. for Creative 4.1 Supwoofer .
Other
Technisat Skystar2 PCI satellite card.
View all

hide details

post #8 of 94

11/25/09 at 10:04am

tK FuRY
4.0ghz

Joined: May 2009
Location: Alpharetta, GA
Posts: 1,918
Rep: 205 (Unique: 170)
Trader Rating: 12
Select All Posts By This User

The extra memory channel makes a good difference, a larger amount of bandwidth for sure.

It should be a little noticeable in tasks that need the extra memory band.

CPU	Motherboard	Graphics	RAM
i7 2700k @ 5GHz	ASUS Maximus IV	Zotac GTX 580 AMP!	16GB G.Skill Ripjaw X
Hard Drive	Hard Drive	Cooling	OS
2x Crucial M4 128GB	2x Samsung Spinpoint F3	Corsair H100 Push Pull	Windows 7 Ultimate Retail x64
Keyboard	Power	Case	Mouse
DAS Ultimate	Corsair HX1000	White HAF932	Razer Deathadder
View all

hide details

CPU	Motherboard	Graphics	RAM
i7 2700k @ 5GHz	ASUS Maximus IV	Zotac GTX 580 AMP!	16GB G.Skill Ripjaw X
Hard Drive	Hard Drive	Cooling	OS
2x Crucial M4 128GB	2x Samsung Spinpoint F3	Corsair H100 Push Pull	Windows 7 Ultimate Retail x64
Keyboard	Power	Case	Mouse
DAS Ultimate	Corsair HX1000	White HAF932	Razer Deathadder
View all

hide details

post #9 of 94

11/25/09 at 10:05am

Thread Starter

the magical me
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Joined: Nov 2008
Posts: 2,304
Rep: 46 (Unique: 38)
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Quote:

Originally Posted by supaspoon

[B]
It's a lot easier to help you decide which is best for you if you can describe the primary things you'll be using the machine for.

I am going to upgrade my PC to use it for intensive video stuff and intensive gaming

CPU	Motherboard	Graphics	RAM
Core i7 860 @ stock.	Intel DH55CT	MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S...	Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3
Hard Drive	Optical Drive	Optical Drive	Cooling
Hitachi 250 GB SATA, 7200RPM, 8MB cache.	LG DVD writer x22	Asus Lite Scribe DVD writer x18.	AMA Phantom air cooler.
OS	Monitor	Keyboard	Power
Windows 7 ultimate SP1 64-bit	LG E2260 LED 22 inch wide 1080P full HD.	Genius PS2	FSP Everest 80plus 800 watt quad-rail.
Case	Mouse	Mouse Pad	Audio
Magic	Delux USB.	Teletabies	built-in RealTek HD. for Creative 4.1 Supwoofer .
Other
Technisat Skystar2 PCI satellite card.
View all

hide details

CPU	Motherboard	Graphics	RAM
Core i7 860 @ stock.	Intel DH55CT	MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S...	Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3
Hard Drive	Optical Drive	Optical Drive	Cooling
Hitachi 250 GB SATA, 7200RPM, 8MB cache.	LG DVD writer x22	Asus Lite Scribe DVD writer x18.	AMA Phantom air cooler.
OS	Monitor	Keyboard	Power
Windows 7 ultimate SP1 64-bit	LG E2260 LED 22 inch wide 1080P full HD.	Genius PS2	FSP Everest 80plus 800 watt quad-rail.
Case	Mouse	Mouse Pad	Audio
Magic	Delux USB.	Teletabies	built-in RealTek HD. for Creative 4.1 Supwoofer .
Other
Technisat Skystar2 PCI satellite card.
View all

hide details

post #10 of 94

11/25/09 at 10:07am

neurolysis
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Joined: Nov 2009
Location: Newcastle, England
Posts: 1,285
Rep: 99 (Unique: 83)
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Depending on what you mean by 'intensive video stuff', I'd say go i7.

CPU	Motherboard	Graphics	RAM
Phenom II x4 940 @ 3.6 GHz	GA-MA790X-UD4P	XFX 260GTX (216SP) OC @ 673/1101/1451	Corsair XMS2 DHX PC2-6400 (4GB) w\ 5-5-5-18\900MHz
Hard Drive	Optical Drive	OS	Monitor
1.5TB Seagate Terracuda	LG GGC-H20N	Windows XP SP3	24'' Optiquest LCD
Keyboard	Power	Case	Mouse
Logitech G15 (2nd generation)	850W Powercool 80+ Quad 12v Rail	Akasa Zen (White)	Logitech MX518
Mouse Pad
SteelSeries QCK+
View all

hide details

CPU	Motherboard	Graphics	RAM
Phenom II x4 940 @ 3.6 GHz	GA-MA790X-UD4P	XFX 260GTX (216SP) OC @ 673/1101/1451	Corsair XMS2 DHX PC2-6400 (4GB) w\ 5-5-5-18\900MHz
Hard Drive	Optical Drive	OS	Monitor
1.5TB Seagate Terracuda	LG GGC-H20N	Windows XP SP3	24'' Optiquest LCD
Keyboard	Power	Case	Mouse
Logitech G15 (2nd generation)	850W Powercool 80+ Quad 12v Rail	Akasa Zen (White)	Logitech MX518
Mouse Pad
SteelSeries QCK+
View all

hide details

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