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Bottlenecking with egpus

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Hi, I've been considering to buy a laptop to replace my Desktop and use an egpu to play games on the go. This way I can bring my laptop anywhere, and when I get home, I simply plug in the egpu(with a gtx 1080 FE inside). Specifically, I am looking at the dell xps 13 9360, and the Razer core v2 for the egpu. However, I've ran into a problem with bottlenecking! I've looked at all the CPUs that the xps 13 can have, and they are mainly i7 7560U, i7 8550U, i5 8250U, and i5 7200. If I plug in the Razer core v2 with a 1080 FE inside, will the xps bottleneck, and if so how bad will it be? Which xps laptop will handle the 1080 the best, and does the egpu affect this?

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It will bottleneck (even with the 8550U) unfortunately. Still nothing unplayable tho 

Main PC:  MacBook Air (M1, 2020), 8GB of RAM, 256GB of storage; running macOS, but waiting for Linux to be ported to the M1

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Not just CPU bottleneck, but TB3 bottleneck as well. My expectation will be half to 70% the performance compared to desktops with the same graphics card.

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: 1TB HP EX920 PCIe x4 M.2 SSD + 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172), 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally 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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