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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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Just now, 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

i7 9700k isnt 

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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 @5.0ghz  |~| Cooling: beQuiet! Dark Rock 4 |~|  MOBO: Asus Z390M ROG Maximus XI GENE |~| RAM: 32gb 3333mhz CL15 G.Skill Trident Z RGB |~| GPU: nVidia TITAN V  |~| PSU: beQuiet! Dark Power Pro 11 80Plus Platinum  |~| Boot: Intel 660p 2TB NVMe |~| Storage: 2X4TB HDD 7200rpm Seagate Iron Wolf + 2X2TB SSD SanDisk Ultra |~| Case: Cooler Master Case Pro 3 |~| Display: Acer Predator X34 3440x1440p100hz |~| OS: Windows 10 Pro.
 
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HTPC / "Console of the house":

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: nVidia 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 Ultra 3D 1TB |~| Case: Fractal Design Meshify C Mini |~| Display: Toshiba UL7A 4K/60hz |~| 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 All-core delidded @1.365v // Cryorig H7 Quad Lumi // Gigabyte Aorus Z370 Gaming 5 // 16GB Corsair Vengeance DDR4 3200 // XFX Radeon RX 5700 XT RAW II // NZXT S340 White // Seasonic Focus Plus Gold 850w // Intel 660P 1TB NVME M.2 SSD/1TB Samsung 860 EVO/1TB 2.5" HGST HDD // Displays: ASUS VG248QE/Acer K242HYL/Acer K242HYL // Corsair K68 Mechanical Keyboard - Logitech G502 // Corsair H70 Gaming Headset

 

Wife's System: i7-8700 // Arctic Freezer 33 // Gigabyte Z390M Gaming // 16GB Corsair Vengeance LPX 3200 // Sapphire Vega 64 // Thermaltake Versa H17 // Seasonic Focus Plus Gold 850w // 1TB Samsung 860 EVO/500GB Silicon Power A55/4TB Western Digital HDD // Displays: ASUS VG245H/ASUS VP248Q // Corsair K68 Mechanical Keyboard // Logitech G602 // LG BDRW // NexStar 5.25" USB 3 Enclosure

 

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Son's System: i5-9400 // Cryorig H7 Quad Lumi // ASRock Z370 Extreme 4 // 16GB Corsair Vengeance DDr4 3200 // ASUS RX 570 4GB OC // NZXT S340 Black // Seasonic S12II 620w Bronze // 525GB Crucial MX300/500GB Wester Digital Blue // Display: Dell P2417H - Eagletech KG010 Mechanical Keyboard // Logitech G203

 

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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


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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. 


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CPU = R9 3900X / Motherboard = Asus Crosshair 8 Hero / GPU = EVGA SC Ultra RTX 2060 / RAM = Corsair Vengeance LPX 3200 ( 16GB ) / Cooling = Wraith Prism / Hard Drives = Western Digital Caviar Blue ( X3 ) / 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


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On 3/15/2019 at 8:45 AM, 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 and 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

 

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