Question i7-13700kf vs i9-13900kf For Unreal Engine developer, build suggestion

Feb 9, 2023
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Hello, got questions concerning building PC for Unreal Engine, working now on quit old one i7 4470k 1660.... Looking for high end to upgrade to new entire level, thinking about I7 and and i9, how big is difference ? Also planned go for 4090, but got strange feelings about 4080


Here are 2 builds what I currently looking:


Gigabyte UD1000GM, 1000W, 80PLUS Gold
Asrock Z790 Pro RS
Intel Core i7-13700KF (8P+8E/24T, 3.40 GHz, 30 MB Cache, LGA1700, 125W
MSI MAG CoreLiquid P360
Crucial 32GB, DDR5, 4800MHz, CL40, Kit of 2
Palit GeForce RTX 4090, 24GB GDDR6X, GameRock
Western Digital Green SN350, 2TB, M.2 NVMe Gen3x4

Be Quiet Straight Power 11, 1200W, 80PLUS Platinum
Asrock Z790 Pro RS
Intel Core i9-13900KF (8P+16E/32T, 3.00 GHz, 36 MB Cache, LGA1700, 125W)
MSI MAG CoreLiquid P360
Crucial 32GB, DDR5, 4800MHz, CL40,
Kit of 2Palit GeForce RTX 4090, 24GB GDDR6X, GameRock
Western Digital Green SN350, 2TB, M.2 NVMe Gen3x4RTX 4090, 24GB GDDR6X, GameRock Western Digital Green SN350, 2TB, M.2 NVMe Gen3x4


Ty for answers in general...
 

Eximo

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1200W might be too little for dual 4090...unless that is a typo.

Can't say I approve of WD Green label drives in a build this expensive.

360mm radiator is a good choice for the CPUs in terms of cooling. But for a professional grade build I like to see air cooling. Noctua NH-D15 is the usual go to.

Memory speed is a little lacking. 5600 CL36 is pretty inexpensive.
 
My reading says that Unreal engine uses primarily two cores. A game thread and a Render thread.
You should not look to highly threaded processors but instead look for strong single thread performance.
Run the cpu-Z bench on your 4470K.
You should get a single thread performance rating of about 459:
https://valid.x86.fr/bench/aibivw

The I9-13900K would be strongest at 902.
But, with your budget and wanting the best, look at the I9-13900KS

On the cooler, I think there are some issues with the MSI MAG coolers; look into that.

For an app that is only going to stress a couple of cores via the turbo mechanism, you may find that a good air cooler will do the job.
Here is a recent study:
https://www.tomshardware.com/features/intel-core-13900k-cooling-tested
 
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PCPartPicker Part List

CPU: AMD Ryzen 7 5800X 3.8 GHz 8-Core Processor ($227.50 @ Newegg)
CPU Cooler: Thermalright Peerless Assassin 120 SE 66.17 CFM CPU Cooler ($37.90 @ Amazon)
Motherboard: ASRock X570 Taichi ATX AM4 Motherboard ($220.99 @ Newegg)
Memory: Kingston FURY Beast 32 GB (2 x 16 GB) DDR4-3200 CL16 Memory ($74.99 @ Newegg)
Storage: Samsung 980 Pro 2 TB M.2-2280 PCIe 4.0 X4 NVME Solid State Drive ($189.00 @ Amazon)
Video Card: MSI GAMING X TRIO GeForce RTX 4090 24 GB Video Card ($1649.99 @ B&H)
Case: Lian Li O11 Air Mini ATX Mid Tower Case ($119.99 @ Newegg)
Power Supply: Corsair RM1000x (2021) 1000 W 80+ Gold Certified Fully Modular ATX Power Supply ($189.99 @ Best Buy)
Total: $2710.35
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2023-02-09 19:47 EST-0500
 
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Feb 9, 2023
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My reading says that Unreal engine uses primarily two cores. A game thread and a Render thread.
You should not look to highly threaded processors but instead look for strong single thread performance.
Run the cpu-Z bench on your 4470K.
You should get a single thread performance rating of about 459:
https://valid.x86.fr/bench/aibivw

The I9-13900K would be strongest at 902.
But, with your budget and wanting the best, look at the I9-13900KS

On the cooler, I think there are some issues with the MSI MAG coolers; look into that.

For an app that is only going to stress a couple of cores via the turbo mechanism, you may find that a good air cooler will do the job.
Here is a recent study:
https://www.tomshardware.com/features/intel-core-13900k-cooling-tested


Twice better, which will improve alot my UE development speed, but concerning video memory on cards and those cuda cores, should I go 4080 and add 64GB of ram DDR 5 6000 CL30 ? there is also option in my location 5400 28 CL,
 
PCPartPicker Part List

CPU: AMD Ryzen 7 5800X 3.8 GHz 8-Core Processor ($227.50 @ Newegg)
CPU Cooler: Thermalright Peerless Assassin 120 SE 66.17 CFM CPU Cooler ($37.90 @ Amazon)
Motherboard: ASRock X570 Taichi ATX AM4 Motherboard ($220.99 @ Newegg)
Memory: Kingston FURY Beast 32 GB (2 x 16 GB) DDR4-3200 CL16 Memory ($74.99 @ Newegg)
Storage: Samsung 980 Pro 2 TB M.2-2280 PCIe 4.0 X4 NVME Solid State Drive ($189.00 @ Amazon)
Video Card: MSI GAMING X TRIO GeForce RTX 4090 24 GB Video Card ($1649.99 @ B&H)
Case: Lian Li O11 Air Mini ATX Mid Tower Case ($119.99 @ Newegg)
Power Supply: Corsair RM1000x (2021) 1000 W 80+ Gold Certified Fully Modular ATX Power Supply ($189.99 @ Best Buy)
Total: $2710.35
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2023-02-09 19:47 EST-0500

5800X for a UE5 developer? That seems pretty weak. Development is a lot different than gaming....
 
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Feb 9, 2023
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I would avoid the MSI MAG CoreLiquid P360 it's reliability record is not great. As for the CPU I don't think it will make a difference whether you get the i7 or i9. I would get better RAM than 4800Mhz, 6000Mhz or something near it would be preferable.
Yes Today I thought about it I will with i7-13700kf , and G.Skill Trident Z5 32GB 1.35V CL 30 6000 mhz
 
Yes Today I thought about it I will with i7-13700kf , and G.Skill Trident Z5 32GB 1.35V CL 30 6000 mhz
A sensible choice, I'm sure you would find the 13700KF more than sufficient. The price difference between the 13700K and KF is very small where I live, you may want to consider K model if that's true for you as well. If you ever need to troubleshoot your system the iGPU can be helpful.

Good RAM choice, DDR5 is more worthwhile at the higher clock speeds.
 
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Twice better, which will improve alot my UE development speed, but concerning video memory on cards and those cuda cores, should I go 4080 and add 64GB of ram DDR 5 6000 CL30 ? there is also option in my location 5400 28 CL,
Best to consult the forums for your app or the hardware recommendation for your video app.
My recollection is that the number and performance of CUDA cores was not particularly important.
A relatively cheap card may do the job.

There may be value to you in a K suffix processor.
It will have quick sync that can help video processing:
https://www.intel.com/content/www/u...uick-sync-video/quick-sync-video-general.html

On ram, lots of ram is good.
Today, DDR4 and DDR5 perform comparably. DDR4 based ram and motherboards are cheaper.
DDR5 ram speeds do look impressive, but they are accompanied by higher latency.
DDR5 6000 speed/30 latency = 200.
That is exactly the same as DDR4 3600/30 latency = 200.

It is best to buy all the ram you will ever need up front.
Ram must be matched to perform properly at advertised speeds.
Adding ram later may not work well.
 
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Zerk2012

Titan
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Hello, got questions concerning building PC for Unreal Engine, working now on quit old one i7 4470k 1660.... Looking for high end to upgrade to new entire level, thinking about I7 and and i9, how big is difference ? Also planned go for 4090, but got strange feelings about 4080


Here are 2 builds what I currently looking:


Gigabyte UD1000GM, 1000W, 80PLUS Gold
Asrock Z790 Pro RS
Intel Core i7-13700KF (8P+8E/24T, 3.40 GHz, 30 MB Cache, LGA1700, 125W
MSI MAG CoreLiquid P360
Crucial 32GB, DDR5, 4800MHz, CL40, Kit of 2
Palit GeForce RTX 4090, 24GB GDDR6X, GameRock
Western Digital Green SN350, 2TB, M.2 NVMe Gen3x4

Be Quiet Straight Power 11, 1200W, 80PLUS Platinum
Asrock Z790 Pro RS
Intel Core i9-13900KF (8P+16E/32T, 3.00 GHz, 36 MB Cache, LGA1700, 125W)
MSI MAG CoreLiquid P360
Crucial 32GB, DDR5, 4800MHz, CL40,
Kit of 2Palit GeForce RTX 4090, 24GB GDDR6X, GameRock
Western Digital Green SN350, 2TB, M.2 NVMe Gen3x4RTX 4090, 24GB GDDR6X, GameRock Western Digital Green SN350, 2TB, M.2 NVMe Gen3x4


Ty for answers in general...
The first question I always ask on these questions is are you making money from this or not.

If not then a i5 13600K, 32 gb of memory and something like a 4070ti would be fine.

If you are then.
 
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Feb 9, 2023
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The first question I always ask on these questions is are you making money from this or not.

If not then a i5 13600K, 32 gb of memory and something like a 4070ti would be fine.

If you are then.
I'm working in IT for 9 years, Front -end developer, Ux/UI designer / Project Manager, and moving now to Unreal Engine development, so probably Answer yes-no, possibility in earning from developing Unreal Engine high.
 
Feb 9, 2023
12
1
15
I would suggest a case with better airflow for proper front placement radiator mounting. That 13900K needs a very good cooling set up to reduce throttling.

You mean that in this case is closed front panel bad airflow ?
 

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