2020 15" Razer Blade 15 (RTX2060) [10th,6C,H] + RTX 3060 Ti @ 32Gbps-TB3 (Razer ...
 
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2020 15" Razer Blade 15 (RTX2060) [10th,6C,H] + RTX 3060 Ti @ 32Gbps-TB3 (Razer Core X) + Win10  

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Erwin Holzhauser
(@erwin_holzhauser)
New Member
Joined: 1 month ago
 

 

System specs:

  • Notebook Model: Razer Blade 15 Base Model (Early 2020) - RZ09-0328
    • OS: Windows 10 (10.0.19042 Build 19042) 
    • CPU: i7-10750H
    • iGPU: Intel UHD Graphics
    • dGPU: RTX 2060 Max-Q
    • Internal Display: 15" 1080p 144Hz
  • External Monitors: 2 x Dell S2719DGF (27" 1440p, G-SYNC Compatible)

 

eGPU hardware:

 

Hardware pictures:

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Installation steps:

Thunderbolt 3 eGPUs have been plug-and-play on Windows 10 for a while. First, I downloaded all Windows Updates. Then I deleted the existing NVIDIA dGPU driver using DDU v18.0.3.4 and rebooted my computer with the eGPU plugged in. Finally, I installed the latest nvidia drivers for the RTX 3060 Ti. The single driver installation installed drivers for both my dGPU and eGPU.

 

Benchmarks:

CUDA-Z H2D: 22xx.xx MiB/s (~18.4 - 18.8 Gbps)


I ran Fire Strike, Fire Strike Extreme, and Time Spy 3DMark benchmarks on the eGPU connected to the two external monitors and on the dGPU connected to the internal display.

I wanted some kind of comparison to desktop performance, but I didn't have the means to run such benchmarks myself, so I looked up results for benchmarks on an RTX 3060 Ti paired with a Ryzen 5 3600 in a desktop. According to UserBenchmark, Ryzen 5 3600 is a desktop processor comparable to the i7-10750H mobile processor; they have comparable benchmark performance, they're both 6 core processors, and although the Ryzen 5 3600 has a higher base clock speed, both it and the i7-10750H run a similar average turbo clock speed. Also, for each RTX 3060 Ti + Ryzen 5 3600 benchmark, I chose the single benchmark whose 3DMark score was closest to the average score for that GPU & CPU combo.

 

3DMark Benchmark GPU + CPU
RTX 3060 Ti (eGPU) + i7-10750H RTX 2060 Max-Q (dGPU) + i7-10750H RTX 3060 Ti + Ryzen 5 3600
Fire Strike (1080p, D11) 3DMark Score: 17016 3DMark Score: 14779 3DMark Score: 23103
Graphics Score: 19463 Graphics Score: 16759 Graphics Score: 28900
Physics Score: 17004 Physics Score: 16785 Physics Score: 19871
Fire Strike Extreme (1440p, D11) 3DMark Score: 10918 3DMark Score: 7541 3DMark Score: 13367
Graphics Score: 11404 Graphics Score: 7746 Graphics Score: 14247
Physics Score: 17308 Physics Score: 17610 Physics Score: 19838
Time Spy (1440p, D12) 3DMark Score: 8967 N/A 3DMark Score: 10833
Graphics Score: 9775 Graphics Score: 11828
CPU Score: 6019 CPU Score: 7337

 

From the above synthetic benchmarks alone, the RTX 3060 Ti as an eGPU outperforms the RTX 2060 Max-Q dGPU by ~15% and ~45% on 1080p and 1440p gaming, respectively. Similarly, the RTX 3060 Ti loses about ~26% and ~18% performance on 1080p and 1400p gaming, respectively, as an eGPU over Thunderbolt 3.

Note: Outside of the 3DMark benchmarks, I never experienced any kind of performance issue in any game or application while having the iGPU, dGPU, and eGPU all simultaneously enabled in Device Manager. However, when I initially attempted to run the eGPU benchmarks, I experienced frequent, persistent stuttering in all of them, resulting in scores that were roughly half of those posted. I had to disable the dGPU to resolve the stuttering issue and achieve the posted eGPU scores. Disabling the iGPU alone, or both the iGPU and dGPU, achieves similar scores to those above.

 

Comments:

Performance in Destiny 2: Obviously, synthetic benchmarks don't always translate directly to real-world performance. The most prominent example of this that I've experienced with this setup is my performance in certain areas of Destiny 2, a shared-world first-person looter shooter which I play at 1440p max settings using the eGPU. In the Tower, a Destiny 2 "social area" populated with other players and NPCs, my FPS can fluctuate from ~30 FPS to >90 FPS depending on how many players are in my instance, or even within the same instance standing in the same position depending on where I look. Such drastic FPS dips within the game are an anomaly though, as my FPS mostly stays within the range of mid-50's to low-70's in PvP and within the range of mid-50's to >80 in PvE environments, whether or not I'm around few or many other players in either. As there have been complaints of low FPS in certain environments in Destiny 2 since the Beyond Light expansion, I'm not sure what of this to attribute to the game itself vs. TB3 bandwidth, latency associated with an external TB3 controller and routing through PCH, etc. However, the dGPU doesn't have such drastic FPS dips in these similar problem areas.

PCH Cooling: After reading about @itsage & @nando4's discovery about lack of PCH cooling (and the associated performance degradation) in certain 8th generation H-CPU hosts, I wanted to make sure that my 10th generation H-CPU model wasn't affected. Certain Razer Blade 15 Base models have been affected in the past. After opening mine, I'm happy to report that the early 2020 model (RZ09-0328) uses a thermal pad to dissipate heat from the PCH to the aluminum chassis.

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This topic was modified 1 month ago
2020 15" Razer Blade 15 (RTX2060) [10th,6C,H] + RTX 3060 Ti @ 32Gbps-TB3 (Razer Core X) + Win10 [build link]  

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mbliss11
(@mbliss11)
Eminent Member
Joined: 4 years ago
 

@erwin_holzhauser, Awesome build and thank you so much for sharing desktop comparisons! 

 

2020 13" Razer Blade Stealth (GTX1650Ti) [10th,4C,G] + RTX 3060 Ti @ 32Gbps-TB3 (AKiTiO Node) + Win10 [build link]  

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itsage
(@itsage)
Illustrious Member Admin
Joined: 4 years ago
 

@erwin_holzhauser, Thank you for sharing this excellent build! Nice to see there's cooling pad on the PCH chip. Since you have a spare M.2 NVMe slot, you may want to explore M.2 eGPU adapter such as the ADT-Link R43SG. It's not a slick solution like Thunderbolt 3 but will have better performance.

 

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2020 14" MSI Prestige 14 EVO [11th,4C,G] + RTX 3080 @ 32Gbps-TB4 (AORUS Gaming Box) + Win10 2004 [build link]  


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Erwin Holzhauser
(@erwin_holzhauser)
New Member
Joined: 1 month ago
 

@itsage, I'm definitely planning to do that at some point. I almost wrote about it in the OP, but I haven't fully done my research on connecting a GPU via M.2, so I didn't want to write anything that was incorrect.

I also have a mid-2018 15" MacBook Pro with a i7-8850H and a GTX 1070. When I have time, I'll probably do some benchmarking on the RTX 3060 Ti with the MacBook to get some data on the performance increase from a more direct TB3-to-CPU connection.

 I actually got the Blade 15 Base to replace said MacBook. I'm a software developer, and I didn't like having to constantly switch between macOS and Windows to work and play. Doing some research on Windows Subsystem for Linux was enough to entice me to fully make the jump into Windows for work and play.

This post was modified 1 month ago
2020 15" Razer Blade 15 (RTX2060) [10th,6C,H] + RTX 3060 Ti @ 32Gbps-TB3 (Razer Core X) + Win10 [build link]  

itsage liked
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Dave Lawson
(@dave_lawson)
New Member
Joined: 2 days ago
 

@erwin_holzhauser, Hi Erwin, thanks for you post! I'm very interested in this exact setup, possibly the 17". Can you game with the laptop closed?

 

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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