2021 13" ASUS ROG Flow X13 (GTX1650) [R5K,8C,H] + RTX 3080 @ 64Gbps-XG (XG Mobil...
 
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2021 13" ASUS ROG Flow X13 (GTX1650) [R5K,8C,H] + RTX 3080 @ 64Gbps-XG (XG Mobile) + Win10 20H2 [aquaeatrae] // Quest 2  

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AquaeAtrae
(@aquaeatrae)
Eminent Member
Joined: 4 years ago
 

System specs 

Asus ROG Flow X13 (GV301QH-DS96)
1920x1200 13.4" 43-120Hz Freesync Touchscreen IPS Display (Sharp SHP151E)
AMD Ryzen 9 5900HS 45W TDP
iGPU: AMD Radeon Vega (Cezanne)
dGPU: Nvidia GTX 1650 with Max Q (TU117)
16GB LPDDR4X memory
1TB NVMe drive M.2 2230 (WDC PC SN530 SDBPTPZ-1T00-1002)
Intel Wifi 6 AX200

Windows 10 Enterprise 20H2
- Bitlocker
- HyperV
- WSL2
- Ubuntu 20.10, GWSL X11, wsl-ssh-agent
- Office 2019, Adobe CC, VScode
- Oculus Link for Quest 2 wired VR
- Call of Duty, Battlefield, MS Flight Sim, AAA VR titles

 

eGPU hardware 

Asus XG Mobile with Mobile RTX 3080 150W (GC31S)

Integrated 240W power supply

Proprietary 15" cable combining USB-C with 100W PD, OCuLink(?) 8-lane PCIe gen3, and indicator LED

Asus eGPU live switching utility is required (even after power off)

 

Hardware pictures 

[coming]

 

Installation steps 

1. Order from Asus Store, etc

2. Open Box

3. Plug and play*

Asus utility detects the XG Mobile eGPU and reminds you to slide the lock. USB and power delivery are immediately available. Once you slide the lock, a pop-up progress bar appears for a few seconds before confirming the eGPU is now active (LED turns red). A taskbar icon appears which must be clicked to deactivate the eGPU. It confirms when ready and the LED turns white again.

While disconnected from the eGPU, a separate control enables iGPU Only Mode to be enabled or automatic (Nvidia Advanced Optimus). This manages when the built-in GTX 1650 dGPU is powered up and needs cooling. On eGPU or iGPU, all cooling is dedicated to the CPU and its iGPU.

* While my steps are easy, let me take this moment to acknowledge the painstaking and costly builds others here have contributed over the years in pursuit of the perfect road warrior powerhouse. Thank you all!

Benchmarks 

Internal Display loopback (1920x1200 native)

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Valley fWKeDXfivV

External Display DisplayPort (1920x1200 forced)

aida64 MpS7oykFQU
CUDA Z 0.10.251 32bit t2E5UST3C4
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 Superposition - Internal Display loopback (1080p, forced)

launcher QedP9tXkya
launcher m9KVL1u396
launcher J3z99LcCVZ

Superposition - External Display DisplayPort (1080p, forced)

Superposition Benchmark v1.1 20314 1617170264
Superposition Benchmark v1.1 15453 1617170598
Superposition Benchmark v1.1 7128 1617170843

Superposition - Internal Display loopback (various resolutions, forced)

launcher DubJQ3pLyx
launcher MxbxsuVKL3

Superposition - External Display DisplayPort (various resolutions, forced)

Superposition Benchmark v1.1 9175 1617171071
Superposition Benchmark v1.1 3968 1617171302

Superposition VR - Internal Display loopback (custom 1832x1920, Quest 2)

Superposition Benchmark v1.1 23417 1617240027
Superposition Benchmark v1.1 14341 1617240245
Superposition Benchmark v1.1 4794 1617240456

Superposition VR - External Display DisplayPort (custom 1832x1920, Quest 2)

Superposition Benchmark v1.1 29571 1617171602
Superposition Benchmark v1.1 14793 1617171833
Superposition Benchmark v1.1 4714 1617172050

3DMark - Internal Display loopback, in laptop mode (with limited cooling beneath base)

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SIYdRCQy30

3DMark - Internal Display loopback, in tent mode (maximum cooling through raised base)

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3DMark 4Q7Bz4dItX
3DMark 9rWKsMK1bb
3DMark OwcMpdZqra
02I8LDU6LI

3DMark - External Display DisplayPort, in tent mode (maximum cooling through raised base)

3DMark RLRaclD7Kj
3DMark fyNEz5Lt1Q
3DMark 2QqCitgq8y
3DMark ogJwb2G2dV
3DMark 41YJtFXubh

VRMark - Internal Display loopback, in tent mode (maximum cooling through raised base)

VRMark SbrmHQziqq
VRMark bBaN3jt0aQ
VRMark Dnc3am1FH8

VRMark - External Display DisplayPort, in tent mode (maximum cooling through raised base)

VRMark kS5Mjt1UuO
VRMark R5vhMri6le
VRMark psHEzNldCQ

3DMark Feature Tests

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IJ0EUXPzRP

AIDA64 Cache, Memory, and Disk Speeds (1TB internal NVMe + 4TB NVMe external enclosure via USB 3.2)

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Battery: Over 5 hours continuously running PCmark (heavy productivity) on battery. Streamed 3 full-length movies (6 hours) over wi-fi on battery. 10+ hours at idle on battery seems realistic.

 

Comments 

The great battery life, light weight, and 2-in-1 flexibility leaves me wanting to carry the Flow X13 everywhere I go. For someone who's always required a potent CPU in hand, I've never known this level of mobility before.

Its responsive stylus with pressure and angle sensitivity will works well for creativity apps (even on the GTX 1650). 

With 100W USB Power Delivery, I expect this will handle a day's productivity work on solar power and/or 12V car adapter. #VanLife 
When on hydroelectric (work site) or at home, the 240W XG Mobile provides gorgeous gaming on AAA titles (1920x1200, ultra, ray tracing).

Asus claim that running the device in tent mode offers the best performance seems legit. I saw it running almost 10 deg F cooler when the vents were well away from the desk.

I'm using a 4TB NVMe USB-C Enclosure to off-load games, VMs, and backups. I was worried about the 1TB storage limitation but it's looking like this will work fine. The only workload I'd hesitate to task the Flow X13 to would be editing large videos. Gaming videos would probably be okay.

I'm particularly eager to learn more about the XG Mobile cable and detection. Rumor suggests that its a repurposed OCuLink 8-lane PCI Express (PCI standard) connector, possibly wired in some proprietary way. I believe these are also called SFF-8612 8i connectors and/or SFF-8611 cables. The plug's indicator LED and detection could be handled with the USB Hub or could use the reserved pins on those connectors.

[3/31/21 - Added benchmarks on External Display, with internal display disabled. Added Superposition VR and VRMark.]

#VanLife with solar productivity + microhydroelectric gaming

 
2021 13" ASUS ROG Flow X13 (GTX1650) [R5K,8C,H] + RTX 3080 @ 64Gbps-XG (XG Mobile) + Win10 20H2 // Quest 2 [build link]  


odin, musschrott, phila-delphia and 7 people liked
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itsage
(@itsage)
Founder Admin
Joined: 4 years ago
 

@aquaeatrae, Thank you for sharing this build. Can you post a HWiNFO64 screen capture with the trees for eGPU and expansion ports expanded?

 

LinkedIn | Twitter | Facebook | Youtube | Instagram

external graphics card builds
best laptops for external GPU
eGPU enclosure buyer's guide

 
2020 13" MacBook Pro [10th,4C,G] + RX 6700 XT @ 32Gbps-TB3 (CM MasterCase EG200) + Win10 1903 [build link]  


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AquaeAtrae
(@aquaeatrae)
Eminent Member
Joined: 4 years ago
 

@itsage, good call. Here's HWINFO64 screencaps with the eGPU enabled. Let me know what else might help.

HWiNFO64 mpoumwlHeq
HWiNFO64 zvGIV0rMSv

 

 

#VanLife with solar productivity + microhydroelectric gaming

 
2021 13" ASUS ROG Flow X13 (GTX1650) [R5K,8C,H] + RTX 3080 @ 64Gbps-XG (XG Mobile) + Win10 20H2 // Quest 2 [build link]  


itsage liked
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itsage
(@itsage)
Founder Admin
Joined: 4 years ago
 

@aquaeatrae, How do you find the cable length in terms of arranging the laptop and eGPU when docked to a workstation?

Also to clarify, those benchmark results are in loopback internal mode? If so, can you run with an external monitor?

 

LinkedIn | Twitter | Facebook | Youtube | Instagram

external graphics card builds
best laptops for external GPU
eGPU enclosure buyer's guide

 
2020 13" MacBook Pro [10th,4C,G] + RX 6700 XT @ 32Gbps-TB3 (CM MasterCase EG200) + Win10 1903 [build link]  


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wildfear
(@wildfear)
Active Member
Joined: 3 months ago
 

@aquaeatrae, nice to see X13 builds coming up.

Still waiting for my order in France Smile

I think you ran benchmarks on internal display as suggested @itsage.

Still, result in bandwith, battery and CPU performance are promising !

 

2021 13" MSI Summit E13 Flip EVO [11th,4C,G] + RTX 3080 @ 32Gbps-TB4 (Razer Core X Chroma) + Win10 20H2 [build link]  

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Lester Nightfly
(@lester_nightfly)
New Member
Joined: 2 weeks ago
 

@aquaeatrae,  Thanks, do you have the quest 2 connected to the eGPU or the flow x13. I'm waiting for my delivery and main reason was for the quest 2 improved performance.

 

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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AquaeAtrae
(@aquaeatrae)
Eminent Member
Joined: 4 years ago
 
Posted by: @itsage

@aquaeatrae, How do you find the cable length in terms of arranging the laptop and eGPU when docked to a workstation?

Also to clarify, those benchmark results are in loopback internal mode? If so, can you run with an external monitor?

 

@itsage

Since this is my first actual eGPU build, I can't compare the experience with longer cables. The XG Mobile has a 16" (0.4m) cable. I can position the eGPU behind the Flow X13 or to its side. I suppose a longer cable could be nice where I might prefer to hide the eGPU under my desk, but the XG Mobile is so tiny I'm not overly concerned. Perhaps that'll be more notable later assuming we manage to reverse engineer the cable for desktop GPUs.

[OP updated above] I ran all benchmarks again using external monitors (1440p Asus ROG PG278Q with G-Sync, 4K Samsung UN55NU8000FXZA 60Hz). I wanted to get those done before updating the Nvidia driver (still on 461.92). The reported bandwidth (AIDA, CUDA-Z) appears unchanged. There was some definite gains on many tests, however a few (like the VRMark Cyan Room) surprised me with lower performance for some reason. I'm not sure why that would be. Those results seemed reproducible. I'll retest more when I can and definitely after the driver update (which now introduced Resizable BAR for some games).

Posted by: @lester_nightfly

@aquaeatrae,  Thanks, do you have the quest 2 connected to the eGPU or the flow x13. I'm waiting for my delivery and main reason was for the quest 2 improved performance.

@lester_nightfly 

The Quest Link connection must necessarily be send via a high quality USB-C cable (Orzero 6m USB 3.2 Gen 1 in my case). Since the RTX 3080 eGPU doesn't have a VirtualLink port nor direct access to its built-in USB-A hub, Quest Link is best connected to the Flow X13 laptop's USB-C port. The only way to directly stream VR video would be with a different headset that uses DisplayPort or HDMI cables. Quest Link will always require the loopback through the CPU and its USB processing. I included Superposition VR benchmarking for both scenarios above, although I set the resolution based on the Quest 2. Tests with the Vive Pro's resolution (2016x2240) were also nearly Capable for "Future VR" and even the Pimax 8KX resolutions (3840x2160) were Capable up to its "VR Maximum" levels (below). I do own a Vive and Vive Pro but they are such a hassle to setup compared to the Quest 2, I doubt I'll test them.

My brief real-world testing of the Quest 2 on this eGPU performed great although Facebook does present an annoying warning pop-up since they've not yet verified this hardware. The pop-up goes away in games, but does persist over virtual desktop viewing (as you can partially see through my phone's rolling shutter below). Hopefully, this will go away once they catch up with these new RTX 30 series laptops.

"Your computer doesn't meet the updated minimum specifications, which can lead to poor experience in VR." ("Learn more", albeit very old info)

20210331 235923
OculusClient BAaF6ISAYt

VRMark - External Display DisplayPort, in tent mode (Vive Pro & Pimax 8KX resolutions)

Superposition Benchmark v1.1 17193 1617172482
Superposition Benchmark v1.1 6438 1617172698

 

Superposition Benchmark v1.1 7754 1617173276
Superposition Benchmark v1.1 1987 1617173488

#VanLife with solar productivity + microhydroelectric gaming

 
2021 13" ASUS ROG Flow X13 (GTX1650) [R5K,8C,H] + RTX 3080 @ 64Gbps-XG (XG Mobile) + Win10 20H2 // Quest 2 [build link]  


itsage liked
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Lester Nightfly
(@lester_nightfly)
New Member
Joined: 2 weeks ago
 

@aquaeatrae

     I really appreciate what you have done for me. If you don't mind I'll use what you told me and share with others online that have had the same question, and never received a response.

Again thanks for taking time out of your day, for your response.

Lester Nightfly

 

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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itsage
(@itsage)
Founder Admin
Joined: 4 years ago
 

@aquaeatrae, Thank you for sharing more results through external monitor mode. What I'm most amazed with is the fact this is your first eGPU setup! We'd love to learn more about "#VanLife with solar productivity + microhydroelectric gaming".

 

LinkedIn | Twitter | Facebook | Youtube | Instagram

external graphics card builds
best laptops for external GPU
eGPU enclosure buyer's guide

 
2020 13" MacBook Pro [10th,4C,G] + RX 6700 XT @ 32Gbps-TB3 (CM MasterCase EG200) + Win10 1903 [build link]  


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musschrott
(@musschrott)
Active Member
Joined: 2 months ago
 

In case you're opening it up, do you see any space for a larger m.2 drive inside, ignoring that there is no way to screw it in place? A m.2 2242 might fit into the space? 2280 through an extender somewhere?
Could you measure the size of eGPU ports? That might shed some light if those are really Oculink ports.

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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