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Flyingliz

I7-7700 vs I5-9400f

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Posted · Original PosterOP

I currently have an i7-7700 but am in need of a new motherboard. I've found a decent deal for a motherboard/i5-9400f combo that would cost me an extra $80 over a motherboard for the i7-7700. Is it worth it to spend a little extra and go with the new cpu or keep what I have and just replace my motherboard? I'm running a gtx 1070 and use the computer primarily for gaming. I plan to buy new ram as well regardless which direction I go.

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5 minutes ago, Flyingliz said:

I currently have an i7-7700 but am in need of a new motherboard. I've found a decent deal for a motherboard/i5-9400f combo that would cost me an extra $80 over a motherboard for the i7-7700. Is it worth it to spend a little extra and go with the new cpu or keep what I have and just replace my motherboard? I'm running a gtx 1070 and use the computer primarily for gaming. I plan to buy new ram as well regardless which direction I go.

Do ur reaserch on the cpu but I don’t think it will be sufficient because it will probably be a power saver

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i would still use you current CPU, a core I7 is always a multi-threathed CPU as a core I5 is a single threat CPU, you can look up cinnebench scores and compare the cpu's based on their preformance


intel core i5 7500 | nividia gtx 1070ti | mobo: msi b250 PC mate | RAM: corsair vengence 8gb DDR4 2400mhz | SSD: samsung 850 evo 250gb | HHD: western digital 1TB 7200 rpm |CPU cooler: MSI core Frozr L | case: corsair spec 03 | 

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I'd stick to the i7 7700 but only pair it with the dirtiest cheapest h110m board I can find.


Workstation Rig:
CPU:  Intel Core i9 9900K @4.8ghz  |~| Cooling: Noctua NH-U12P |~|  MOBO: Asus Z390M ROG Maximus XI GENE |~| RAM: 32gb 3200mhz CL16 G.Skill Trident Z RGB |~| GPU: nVidia Founders Edition RTX 2080 Ti  |~| PSU: Corsair RM850X 80Plus Gold |~| Boot: WD Black M.2 2280 500GB NVMe |~| Storage: 2X4TB HDD 7200rpm Seagate Iron Wolf + 2X2TB SSD SanDisk Ultra |~| Case: Cooler Master Case Pro 3 |~| Display: ASUS ROG Swift PG348Q 3440x1440p100hz |~| OS: Windows 10 Pro.
Personal Use Rig:
CPU: Intel Core i7 8700 @4.45ghz |~| Cooling: Cooler Master Hyper 212X |~| MOBO: Gigabyte Z370M D3H mATX|~| RAM: 16gb DDR4 3333mhzCL16 G.Skill Trident Z |~| GPU: EVGA Founders Edition GTX 1080 Ti |~| PSU: Corsair TX650M 80Plus Gold |~| Boot:  SSD WD Green M.2 2280 240GB |~| Storage: 1x3TB HDD 7200rpm Seagate Barracuda + SanDisk SSD Plus G26 480gb |~| Case: Cooler Master Case Pro 3 |~| Display Setup: Acer X34 3440x1440p100hz |~| OS: Windows 10 Pro.
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10 minutes ago, Princess Cadence said:

I'd stick to the i7 7700 but only pair it with the dirtiest cheapest h110m board I can find.

This.


My System: i7-8700k 5.0ghz delidded @1.355v // Cryorig H7 Quad Lumi // Gigabyte Aorus Z370 Gaming 5 // 16GB Corsair Vengeance DDR4 3200 // Sapphire Radeon RX Vega 64 UV/OC 1677core/1050hbm // NZXT S340 White // Seasonic Focus Plus Gold 850w // 120GB PNY CS900/480GB PNY CS1311/1TB Hitachi Deskstar // Displays: ASUS VG248QE/ASUS VG245H/ASUS VP248QG // Eagletech KG010 Mechanical Keyboard - Logitech G502 

 

Wife's System: Ryzen 5 1600 3.8ghz @1.3v // Wraith Spire // Gigabyte AX-370-Gaming // 16GB T-Force DDR4 2667 // XFX Radeon RX 580 8GB // Corsair Obsidian 750D // Seasonic Focus Plus Gold 850w // 120GB Sandisk SSD/500GB Silicon Power A55/4TB Western Digital Blue // Displays: Acer K242HYL/Acer K242HYL // Eagletech KG010 Mechanical Keyboard // Logitech G602

 

Son's System: i3-8350k 4.8ghz @ 1.35v // Cryorig H7 Quad Lumi // ASRock Z370 Extreme 4 // 16GB Corsair Vengeance DDR4 3200 // ASUS Radeon RX 570 4GB // NZXT S340 Black // Seasonic S12II 620w Bronze // 525GB Crucial MX300/500GB Wester Digital Blue // Display: Dell P2417H - Eagletech KG010 Mechanical Keyboard // Logitech G203

 

Daughter's System: i5-4570 // ASUS H81I-Plus // 8GB Corsair DDR3 XMS2 1333 // Zotac GeForce GTX 1060 3GB Mini // Cooler Master Elite 130 // Corsair CX600M // 120GB Sandisk SSD/500GB Western Digital Blue // Display: AOC 20" // HP Business Keyboard // HP Business Mouse

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37 minutes ago, AboveBrakes (ivan) said:

i would still use you current CPU, a core I7 is always a multi-threathed CPU as a core I5 is a single threat CPU, you can look up cinnebench scores and compare the cpu's based on their preformance

but the 7700 is 4c/8t and the 9400 is 6c/6t, the 9400 should do better than the 7700 in multi-core since more cores > more threads


i like water.

 

SYSTEM SPECS

CPU: i5-8400

Motherboard: MSI B360 GAMING ARCTIC

GPU: Dell GTX 1070(From a prebuilt, HWInfo says it’s from Dell)

Case: Lian Li PC-O11 Dynamic White

Case Fans: 6x Corsair LL120 RGB

Thermal Paste: Thermal Grizzly Kryonaut

CPU Cooler: Cryorig H7

RAM: G.Skill TridentZ RGB 3200MHz 

 

 

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1 hour ago, _d0nut said:

but the 7700 is 4c/8t and the 9400 is 6c/6t, the 9400 should do better than the 7700 in multi-core since more cores > more threads

They'll perform pretty similarly honestly. 4c/8t is about equivalent to 6c/6t just as the 6c/12t 8700K is basically equivalent to 8c/8t. They're just different ways of achieving similar performance. 


Main PC :

CPU = Intel Core i7 6700K @4.7GHz / Motherboard = Asus Maximus IX Hero / GPU = Zotac AMP! GeForce GTX 1080 / RAM = Corsair Vengeance LPX 3200 ( 16GB ) / Cooling = Coolermaster Hyper 212 Evo / Hard Drives = Western Digital Caviar Blue ( X2 ) / PSU = Seasonic X-850 Modular / Case = Corsair Carbide 200R

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Posted · Original PosterOP

Thanks for all the input. Sounds like both CPUs are roughly the same and I'm probably better off sticking with my current cpu and looking for a cheap motherboard at this point.

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Keep your current CPU. The Kaby Lake lineup are still great chips in today's standards


Prim - Ryzen 5 2600 / Stock Wraith Stealth / EVGA GTX 1070 8GB / 16 GB GEIL RAM @ 2400MHz (OC) / MSI x470 Gaming Plus / NZXT 750w PSU

Sec - Intel i5 7600k / Corsair H60 Liquid Cooler / GA GTX 1060 6GB / 8 GB Kingston RAM @ 2400MHz /GA-B250M-DS3H / EVGA 500ww PSU

Lenovo y50-70 - Intel i7 4710hq / nVidia GeForce GTX 860m / 12 GB Kingston RAM / 1 TB HDD

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6 hours ago, AboveBrakes (ivan) said:

a core I7 is always a multi-threathed CPU as a core I5 is a single threat CPU

Wait what? I don't quite think this is worded correctly. An i7 7700 has 4 cores any hyperthreading, so it can sort of act like 8, but the i5 has 6 cores and 6 threads only. However, benchmarks have shown the 2 extra cores are quite handy, and actually either come quite close or even surpass the hyperthreading.

 

Also @Flyingliz the i7 7700 goes for quite a good price on eBay, you might actually make money by selling it and getting the i5 if the price difference in buying is only $80.


I WILL find your ITX build thread, and I WILL recommend the SIlverstone Sugo SG13B

 

Primary PC:

i7 8086k (won) - EVGA Z370 Classified K - G.Kill Trident Z RGB - Force MP500 - Jedi Order Titan Xp - The venerated Hyper 212 Evo (with RGB Riing flair) - EVGA G2 650W - Black and green theme, Razer branwashed me.

Draws 400 watts under max load, for reference.

 

Linux Proliant ML150 G6:

Xeon X5560 - 24GB ECC DDR3 - MSI GTX 650 - some 7200RPM SATA II thing - Ubuntu (at the moment)

 

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