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RX 580 bottlenecking?

JMak00
By JMak00
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Go to solution Solved by Mateyyy,

The higher you go with the resolution, the more work the GPU has to do, compared to the CPU. Regardless of that though, you want your GPU usage to be 100% and your CPU to be around 80% max I'd say (higher than that and you could probably be looking at a bottleneck). You'll have problems when your CPU usage is pinned to 100%, meaning your CPU can't keep up with your GPU, as then you'll start noticing stuttering and frametime issues.

 

Tl;dr: You've nothing to worry about, as that's what your CPU/GPU usages should look like.

Posted

I've got a 4690k (oc'd to 4.5) and a XFX RX 580 8GB GTR (580p8dbrr) oc'd to 1450.  I'm running a Viotek 1440p, 100mhz monitor.

 

Using the NZXT Cam software that came with my Cryorig H7 Quad Lumi cooler, I've been monitoring the CPU and GPU usage.

 

Playing world of tanks, Cam software indicates that the GPU is running at 100% and the CPU bouncing between 55% and 60%.  I expected the opposite since world of tanks is generally recognized as a CPU-intensive game.

 

 

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At 1080p maybe, at 1440p this is the expected behaviour.

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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2 minutes ago, Jurrunio said:

At 1080p maybe, at 1440p this is the expected behaviour.

So it's the 1440p resolution thats causing the gpu to max out.  Got it.

 

So if I stick with a 1440p monitor (and gosh I want to) I either run the game at 1080p on it (doable) or upgrade the gpu, right?

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1 minute ago, Blatcher2 said:

DAMN I wish I had a monitor that fast! XD

 

This is expected behavior for a midrange GPU. If you had a 2080 Ti then you would be sitting above 90% CPU usage the whole time.

This Viotek monitor is really nice - VIOTEK GNV34DB

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The higher you go with the resolution, the more work the GPU has to do, compared to the CPU. Regardless of that though, you want your GPU usage to be 100% and your CPU to be around 80% max I'd say (higher than that and you could probably be looking at a bottleneck). You'll have problems when your CPU usage is pinned to 100%, meaning your CPU can't keep up with your GPU, as then you'll start noticing stuttering and frametime issues.

 

Tl;dr: You've nothing to worry about, as that's what your CPU/GPU usages should look like.

Desktop: Intel Core i9-9900K | ASUS Strix Z390-F | G.Skill Trident Z Neo 2x16GB @ 3200MHz CL14 | EVGA GeForce RTX 2070 SUPER XC Ultra | Corsair RM650x | Fractal Design Define R6

Laptop: 2018 Apple MacBook Pro 13"  --  i5-8259U | 8GB LPDDR3 | 512GB NVMe

Peripherals: Leopold FC660C w/ Topre Silent 45g | Logitech MX Master 3 & Razer Basilisk X HyperSpeed | HIFIMAN HE400se & iFi ZEN DAC | Audio-Technica AT2020USB+

Display: Gigabyte G34WQC

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The reverse. The GPU working at max load isn't bottlenecking, the GPU running under 90% most of the time is a bottleneck.

M.S.C.E. (M.Sc. Computer Engineering), IT specialist in a hospital, 32+ years of gaming, 20+ years of computer enthusiasm, Geek, Trekkie, anime fan

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2 minutes ago, JMak00 said:

I either run the game at 1080p on it (doable)

no that just make the gpu get used less which....... is not "solving" a bottleneck. it's just making the machine not work as hard so it seems like there isn't one.

 

 

10 minutes ago, JMak00 said:

Cam software indicates that the GPU is running at 100%

i'm sorry but is there an actual problem you are having

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As a general rule higher resolution means more GPU usage/less CPU usage.

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Just now, 191x7 said:

The reverse. The GPU working at max load isn't bottlenecking, the GPU running under 90% most of the time is a bottleneck.

i.... i can't even get what they were trying to do with this comment sorry for that

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3 minutes ago, 191x7 said:

The reverse. The GPU working at max load isn't bottlenecking, the GPU running under 90% most of the time is a bottleneck.

What? In normal conditions GPU at max while CPU isn't indicates a GPU bottleneck, CPU at max while GPU isn't indicates a CPU bottleneck.

Main Rig:-

Ryzen 7 3800X | Asus ROG Strix X570-F Gaming | 16GB Team Group Dark Pro 3600Mhz | Corsair MP600 1TB PCIe Gen 4 | Sapphire 5700 XT Pulse | Corsair H115i Platinum | WD Black 1TB | WD Green 4TB | EVGA SuperNOVA G3 650W | Asus TUF GT501 | Samsung C27HG70 1440p 144hz HDR FreeSync 2 | Ubuntu 20.04.2 LTS |

 

Server:-

Intel NUC running Server 2019 + Synology DSM218+ with 2 x 4TB Toshiba NAS Ready HDDs (RAID0)

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2 minutes ago, emosun said:

no that just make the gpu get used less which....... is not "solving" a bottleneck. it's just making the machine not work as hard so it seems like there isn't one.

 

 

i'm sorry but is there an actual problem you are having

No, I was asking if there was a problem.  I was expecting that the cpu would be bottlenecking the game, but given the responses, that's not the case at all.  I was just sharing and seeing if there was a problem.

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3 minutes ago, JMak00 said:

This Viotek monitor is really nice - VIOTEK GNV34DB

Was completely joking. You said 100mhz (that is 100 MILLION hertz) refresh rate instead of 100 hz. The fastest monitors typically go to 240 hertz (with some expectations) so I was making a joke bc you were misquoting the spec of the monitor. 

 

TLDR for everyone's comments... you are fine, you don't want to be CPU bottlenecked. It may just decrease your FPS but in some cases it can make some games unplayable due to frame time variances. 

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14 minutes ago, JMak00 said:

So if I stick with a 1440p monitor (and gosh I want to) I either run the game at 1080p on it (doable) or upgrade the gpu, right?

why? Frame rate bad?

 

11 minutes ago, JMak00 said:

VIOTEK GNV34DB

that's a 3440x1440 monitor (21:9) right? In that case the GPU bottleneck will be worse than I expected since there's more pixels (1440p = 2560x1440, 16:9)

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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6 minutes ago, Blatcher2 said:

Was completely joking. You said 100mhz (that is 100 MILLION hertz) refresh rate instead of 100 hz. The fastest monitors typically go to 240 hertz (with some expectations) so I was making a joke bc you were misquoting the spec of the monitor. 

 

TLDR for everyone's comments... you are fine, you don't want to be CPU bottlenecked. It may just decrease your FPS but in some cases it can make some games unplayable due to frame time variances. 

Bwahahahahahaaaaaa....I didnt notice that!

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5 minutes ago, Jurrunio said:

why? Frame rate bad?

 

that's a 3440x1440 monitor (21:9) right? In that case the GPU bottleneck will be worse than I expected since there's more pixels (1440p = 2560x1440, 16:9)

No, frame rate is right at 100fps, the displays native refresh rate.

 

Yeah, ultrawide.

 

Cool, so everything working as expected.  

 

To get more frames or to push the gfx settings up to ultra and maintain my current 100fps, I'd need to upgrade the gpu, right?

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3 minutes ago, JMak00 said:

To get more frames or to push the gfx settings up to ultra and maintain my current 100fps, I'd need to upgrade the gpu, right?

maintain, as in it currently maxes at 100fps but dips at times? Yes GPU upgrade is the way.

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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1 minute ago, Jurrunio said:

maintain, as in it currently maxes at 100fps but dips at times? Yes GPU upgrade is the way.

I can get 100fps on this display, but only with a mix of med to high settings.  I'd like to push the gfx settings for the game up to high to ultra as well as use AA, but keep the high fps.  I don't think my cpu will help with that, so my option is to upgrade the gpu, right?

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1 minute ago, JMak00 said:

I can get 100fps on this display, but only with a mix of med to high settings.  I'd like to push the gfx settings for the game up to high to ultra as well as use AA, but keep the high fps.  I don't think my cpu will help with that, so my option is to upgrade the gpu, right?

yup

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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