[SOLVED] Will those PCs bottleneck graphic cards?

curtiss

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Jun 14, 2005
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18,510
Hi fellows,

I have 2 rigs, one for me and the other one for my GF, as we both like to play coop games. My Pc is beefer as Im not only playing coop but I like to enjoy AAA games myself.

Im interested in purchasing a 3090 for my rig, and installing my current 3071MB NVIDIA GeForce GTX 1080 Ti (Gigabyte) to my GF's PC. The specs of both computer are:

MY COMPUTER:
  • CPU AMD Ryzen 7 2700X
  • RAM 32,0GB Dual-Channel @ 1066MHz (15-15-15-36)
  • Motherboard Gigabyte X470 AORUS ULTRA GAMING-CF (AM4)
  • Storage 930GB AMD-RAID Array 1 SCSI Disk Device (RAID (SSD)): 232GB Samsung SSD 850 SCSI Disk Device + 465GB AMD-RAID Samsung SSD 850 SCSI Disk Device

GF's COMPUTER:
  • CPU Intel Core i5 3570 @ 3.40GHz
  • RAM 16,0GB Dual-Channel DDR3 @ 667MHz (9-9-9-24)
  • Motherboard Gigabyte Technology Co. Ltd. Z77X-UD3
  • Graphics 3072MB ATI AMD Radeon R9 200 Series (XFX): to be changed?
  • Storage
    • 232GB Samsung SSD 850 EVO 250GB (SATA (SSD))
    • 1863GB Seagate ST2000DM001-9YN164 (SATA )
    • 1397GB Western Digital WDC WD15EARS-00Z5B1 (SATA )

My questions are...
  1. Can MY COMPUTER run a nvidia 3090 without being bottlenecked?
  2. Can my GF's COMPUTER RUN a 3071MB NVIDIA GeForce GTX 1080 Ti (Gigabyte) without being bottlenecked? OR...
  3. Would be better just give my rig to my GF's and purchase a new whole one for me to run with a 3090? I know this is always best option but if I can wait for longer with those computers, better for my pocket

thank you
 
Solution
CPU bottlenecks happen at lower resolutions like 1080p. At 1080p this puts more stress on the CPU where as 1440p and 4k put the stress more on the GPU. This being said what resolutions are you gaming at? This will tell you what piece of hardware will be the bottleneck.

The i5 3570 Intel CPU will surely be a bottleneck for an Nvidia 1080 at even higher resolutions.

The Nvidia 3090 on a 2700X CPU will be bottlenecked if you play at 1080p.
Hi!
1st things first What PSU does the 2 computers have?
2nd both computers will bottleneck both cards!

The second PC should be changed completely and yours should be with new CPU and better Ram (you should specify better everything about the ram, manufacturer and whole name).
 
CPU bottlenecks happen at lower resolutions like 1080p. At 1080p this puts more stress on the CPU where as 1440p and 4k put the stress more on the GPU. This being said what resolutions are you gaming at? This will tell you what piece of hardware will be the bottleneck.

The i5 3570 Intel CPU will surely be a bottleneck for an Nvidia 1080 at even higher resolutions.

The Nvidia 3090 on a 2700X CPU will be bottlenecked if you play at 1080p.
 
Solution

curtiss

Distinguished
Jun 14, 2005
4
0
18,510
CPU bottlenecks happen at lower resolutions like 1080p. At 1080p this puts more stress on the CPU where as 1440p and 4k put the stress more on the GPU. This being said what resolutions are you gaming at? This will tell you what piece of hardware will be the bottleneck.

The i5 3570 Intel CPU will surely be a bottleneck for an Nvidia 1080 at even higher resolutions.

The Nvidia 3090 on a 2700X CPU will be bottlenecked if you play at 1080p.

Thank you for your answer. My PC will run at 3440x1440 (ultrawide), and my GF's will be at 1080p.

But for the gist of your answer I feel I will have to give my PC to my GF and take a whole new one for me. Do you think GF's bottleneck will be too severe with this specs?
 
Thank you for your answer. My PC will run at 3440x1440 (ultrawide), and my GF's will be at 1080p.

But for the gist of your answer I feel I will have to give my PC to my GF and take a whole new one for me. Do you think GF's bottleneck will be too severe with this specs?
She will be able to have the eye candy maxed out and be able to run ray tracing with ease but not many games use ray tracing yet so some the GPU's performance will be of no use. You can pair them and let it be till you have the money to update your system and give her yours as an upgrade. For her the CPU will be the bottleneck, how bad will depend on the game being played and whether or not the game is CPU or GPU bound at the start. If the game is GPU bound then she will see a big boost in performance but much less so on CPU bound games.
 
Hi fellows,

I have 2 rigs, one for me and the other one for my GF, as we both like to play coop games. My Pc is beefer as Im not only playing coop but I like to enjoy AAA games myself.

Im interested in purchasing a 3090 for my rig, and installing my current 3071MB NVIDIA GeForce GTX 1080 Ti (Gigabyte) to my GF's PC. The specs of both computer are:

MY COMPUTER:
  • CPU AMD Ryzen 7 2700X
  • RAM 32,0GB Dual-Channel @ 1066MHz (15-15-15-36)
  • Motherboard Gigabyte X470 AORUS ULTRA GAMING-CF (AM4)
  • Storage 930GB AMD-RAID Array 1 SCSI Disk Device (RAID (SSD)): 232GB Samsung SSD 850 SCSI Disk Device + 465GB AMD-RAID Samsung SSD 850 SCSI Disk Device
GF's COMPUTER:
  • CPU Intel Core i5 3570 @ 3.40GHz
  • RAM 16,0GB Dual-Channel DDR3 @ 667MHz (9-9-9-24)
  • Motherboard Gigabyte Technology Co. Ltd. Z77X-UD3
  • Graphics 3072MB ATI AMD Radeon R9 200 Series (XFX): to be changed?
  • Storage
    • 232GB Samsung SSD 850 EVO 250GB (SATA (SSD))
    • 1863GB Seagate ST2000DM001-9YN164 (SATA )
    • 1397GB Western Digital WDC WD15EARS-00Z5B1 (SATA )
My questions are...
  1. Can MY COMPUTER run a nvidia 3090 without being bottlenecked?
  2. Can my GF's COMPUTER RUN a 3071MB NVIDIA GeForce GTX 1080 Ti (Gigabyte) without being bottlenecked? OR...
  3. Would be better just give my rig to my GF's and purchase a new whole one for me to run with a 3090? I know this is always best option but if I can wait for longer with those computers, better for my pocket
thank you
There are a tremendous amount of variables here.

If you run with all the eye candy @ 4K on say cyberpunk, then your GPU will still be the bottle neck. It might be even the bottleneck of you play warcraft together @4K with Ray Tracing.

If you are running 1080p, with a high refresh rate monitor, likely your CPU will be the issue.

THAT SAID, these new generation graphics cards are EXTREMELY sensitive to power supply. You'll also have to likely upgrade your PSU to a Quality Corsair RM/CX 850W or Seasonic Focus 850W. (As I have recently learned: Stay away from Seasonic Primes as they think the power surge is a short circuit and shut down as a safety measure)