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The new Dell XPS 15 9510 OLED has problems with the GPU Performance

Dell XPS 15 9510 OLED
Dell XPS 15 9510 OLED
Dell equips its brand-new XPS 15 9510 with the 45W version of the GeForce RTX 3050 Ti, but our tests show that the performance quickly drops and it is even slower than the old XPS 15 9500 with the RTX 1650 Ti. Update: BIOS 1.4 improves gaming performance

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After a little delay, we have finally received a sample of the new Dell XPS 15 9510 with the Core i7-11800H (Tiger Lake-H), the 3.5K OLED screen and the new Nvidia GeForce RTX 3050 Ti. Dell advertises the 45W version of the RTX 3050 Ti on its website, so it is one of the slowest models available (range between 35 up to 80W TGP). During our initial tests with the XPS 15, however, we noticed that the performance is not stable and there will be a performance drop of around 20% after a very short period.

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Dell Power Manager

Dell once again installs its Power Manager software, which offers several settings for the battery as well as the thermal management. The default profile is Optimized, which is supposed to offer a good balance between performance, fan noise, and temperature. We have also tried the Ultra-Performance profile, but it does not change much. The fan noise is slightly louder, but there is no real performance advantage and the GPU performance also drops.

Dell Power Manager
Dell Power Manager

The Witcher 3

The game Witcher 3 illustrates the problem of the new Dell XPS 15 9510 very well, because there is a performance drop after a very short time. All in all, the laptop performs slightly better with the Ultra-Performance profile, but you have to expect a drop of around 20% with both profiles. This means the new model with the RTX 3050 Ti is even a bit slower than the old XPS 15 9500 with the GTX 1650 Ti Mobile.

Update 08/04/21: Dell released a new BIOS update (version 1.4), which improves the gaming performance when you use the Ultra-Performance profile (see chart below). The full analysis will follow in our review of the XPS 15 9510.

Witcher 3 FPS Chart

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Dell XPS 15 9510 11800H RTX 3050 Ti OLED i7-11800H, GeForce RTX 3050 Ti Laptop GPU; BIOS 1.4 Ultra Performance: Ø43.7 (32-48)
Dell XPS 15 9510 11800H RTX 3050 Ti OLED i7-11800H, GeForce RTX 3050 Ti Laptop GPU; BIOS 1.4: Ø37.1 (33-46)
Dell XPS 15 9510 11800H RTX 3050 Ti OLED i7-11800H, GeForce RTX 3050 Ti Laptop GPU; BIOS 1.3.2 Ultra Performance: Ø36.2 (31-46)
Dell XPS 15 9510 11800H RTX 3050 Ti OLED i7-11800H, GeForce RTX 3050 Ti Laptop GPU; BIOS 1.3.2: Ø34.3 (30-42)
The Witcher 3 - 1920x1080 Ultra Graphics & Postprocessing (HBAO+)
Dell XPS 15 9510 11800H RTX 3050 Ti OLED
GeForce RTX 3050 Ti Laptop GPU, i7-11800H, Micron 2300 512GB MTFDHBA512TDV (BIOS 1.4 Ultra Performance)
43.7 (32min, 34P1 - 48max) fps ∼100%
Dell XPS 15 9510 11800H RTX 3050 Ti OLED
GeForce RTX 3050 Ti Laptop GPU, i7-11800H, Micron 2300 512GB MTFDHBA512TDV (BIOS 1.4)
37.1 (33min, 35P1 - 46max) fps ∼85% -15%
Dell XPS 15 9510 11800H RTX 3050 Ti OLED
GeForce RTX 3050 Ti Laptop GPU, i7-11800H, Micron 2300 512GB MTFDHBA512TDV (BIOS 1.3.2 Ultra Performance)
36.2 (31min, 32P1 - 46max) fps ∼83% -17%
Dell XPS 15 9510 11800H RTX 3050 Ti OLED
GeForce RTX 3050 Ti Laptop GPU, i7-11800H, Micron 2300 512GB MTFDHBA512TDV (BIOS 1.3.2)
34.3 (30min, 31P1 - 42max) fps ∼78% -22%
Dell XPS 15 9500 Core i7 4K UHD
GeForce GTX 1650 Ti Mobile, i7-10875H, SK Hynix PC611 512GB
38.1 (34min - 43max) fps ∼87% -13%

The following diagram shows a comparison of the performance data of the processor and the graphics card during a 30-minute session of the Witcher 3 (Ultra preset). The CPU load is not very high in this game, so we will focus on the performance of the RTX 3050 Ti. A look at the power consumption reveals that the new XPS 15 9510 cannot even maintain the 45W under combined workloads, because the consumption quickly levels off at around 30W with both profiles. This is a very disappointing result and as of right now it looks like the gaming performance is lower compared to the predecessor.

CPU and GPU data Witcher 3 Ultra preset (Red: performance profile Optimized, Green: performance profile Ultra-Performance)
CPU and GPU data Witcher 3 Ultra preset (Red: performance profile Optimized, Green: performance profile Ultra-Performance)
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First Impressions - Performance of the new XPS 15 9510 disappoints

The first results are no particularly promising. We will obviously continue our comprehensive tests, but it looks like the CPU performance is also massively affected when you use the GPU at the same time. The consumption of the i7-11800H drops to just 20W after ~2 minutes during our stress test. The cooling system is subjectively a bit quieter than before, but we still have to perform our measurements.

We are currently working on the review, but it will take another 2-3 days before publishing. Please leave a comment if you have any suggestions or questions for the review.

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Andreas Osthoff
Editor of the original article: Andreas Osthoff - Managing Editor Business Laptops - 1302 articles published on Notebookcheck since 2013
I grew up with modern consumer electronics and my first computer was a Commodore C64, which encouraged my interest in building my own systems. I started working as a review editor for Notebookcheck during my dual studies at Siemens. Currently, I am mainly responsible for dealing with business laptops and mobile workstations. It’s a great experience to be able to review the latest devices and technologies and then compare them with each other.
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2021 08 > The new Dell XPS 15 9510 OLED has problems with the GPU Performance
Andreas Osthoff, 2021-08- 1 (Update: 2021-08- 4)