2017 13" HP Spectre X360 [8th,4C,U] + RX Vega 56 @ 32Gbps-TB3 (Mantiz Venus) + ...
 
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2017 13" HP Spectre X360 [8th,4C,U] + RX Vega 56 @ 32Gbps-TB3 (Mantiz Venus) + Win10 [dslater]  

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dslater
(@dslater)
Eminent Member
Joined: 3 years ago
 

Reason for picking Spectre x360

  • 8th Gen i7 (4 cores/8 threads) clocked @ 1.8ghz, turbo to 4.0ghz
  • 16GB ram
  • 512gb SSD
  • Build quality closely resembles my MacBook Pro, feels extremely well built, keyboard might be better than my MacBook Pro (late '16)

Video Card

  • PowerColor Vega 56 flashed with 64 bios (no over clocking except for defaults once flashed with 64 bios)

Monitor

  • LG 27UD88-W via DisplayPort

eGPU Enclosure

  • Mantiz Venus with 1 meter Belkin TB3 cable (not using Mantiz USB ports, getting some lag, working with Mantiz to fix)

 

First Impressions

The 13" HP SPectre x360 strikes me as a 13"MacBook Pro if the MBP was done right! $1500 nets you an 8th gen quadcore processor, 16 Gb of ram, 512 Gb SSD, 4K Touchscreen, a nifty carrying case, and the HP Active Pen. I am not overly excited about touch screen laptops, nor am I overly excited about the pen, but a similar Dell XPS 13 on their website will set you back a bit more (as of today anyway). I only intend to connect to the eGPU for gaming and the like so I didn't require a dedicated gpu (and wasn't out any cash to get a eGPU as I already had this setup for my 15" MBP). Build quality is very Apple like, feels very solid, good weight, but I don't care for the track pad as much. Finger print reader works ok, though it seems a little bit finicky, and I haven't used the Windows Hello Face Recognition yet (but it is supported).  The only odd thing is the Spectre x360 complains about being charged by a non HP original power adapter.

 

Implementation

  1. With Windows running, plug in eGPU to TB3 port furthest to the back of the Spectre x360
  2. Wait for Windows to do its thing (auto detect and install drivers, etc)
  3. Download and install Radeon Crimson drivers (Current is 17.11.1)
  4. Install drivers (Vega 56 was recognized by installation media) and then reboot
  5. Enjoy the goodness!

 

Technical Data/Benchmarks

 

 ATTO

ATTO showed drive reads well over 2000MB/s, therefore GT4 OPI

ATTO

 

Heaven Benchmark

heaven

 

Valley Benchmark

valley

 

Timespy Benchmark

Timespy

 

Skydiver Benchmark

skydiver

 

 -D

 

2017 13" HP Spectre X360 [8th,4C,U] + RX Vega 56 @ 32Gbps-TB3 (Mantiz Venus) + Win10 [build link]  

3RYL, nando4 and itsage liked
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wusel
(@wusel)
Active Member
Joined: 3 years ago
 

Thanks for sharing your setup. I wasn't sure if I wanted the yoga 920 or the x360 (x360 is 500€ cheaper). I think I'm buying the x360, too.

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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dslater
(@dslater)
Eminent Member
Joined: 3 years ago
 
Posted by: wusel

Thanks for sharing your setup. I wasn't sure if I wanted the yoga 920 or the x360 (x360 is 500€ cheaper). I think I'm buying the x360, too.

Just validate you get the right cpu as there are a lot of the gen 7s out there right now too.

 

2017 13" HP Spectre X360 [8th,4C,U] + RX Vega 56 @ 32Gbps-TB3 (Mantiz Venus) + Win10 [build link]  

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

Ditto ^. Definitely make sure you're buying one with an 8th gen i7.

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

 
2020 13" MacBook Pro [10th,4C,G] + RTX 2080 Ti @ 32Gbps-TB3 (AORUS Gaming Box) + Win10 2004 [build link]  


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nando4
(@nando4)
Noble Member Admin
Joined: 4 years ago
 

Is the CPU TDP unlocked?

@dslater, can you confirm that with the Intel XTU tool, the i7-8550U's TDP is unlocked and can be increased from 15W to say 25W, 35W or 45W and see a significant increase in performance as seen at 7:27 of this video (Xiaomi Mi Notebook Pro). 

Expect a noticable increase in CPU/chassis temps if increasing TDP this way. At 45W, it's effectively running like a i7-7700HQ and you'll note in the video, his video encoding time decreased significantly when running at 45w.

 

 

eGPU Setup 1.35    •    eGPU Port Bandwidth Reference Table

 
2015 15" Dell Precision 7510 (Q M1000M) [6th,4C,H] + GTX 1080 Ti @32Gbps-M2 (ADT-Link R43SG) + Win10 1803 [build link]  


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dslater
(@dslater)
Eminent Member
Joined: 3 years ago
 
Posted by: nando4

Is the CPU TDP unlocked?

@dslater, can you confirm that with the Intel XTU tool, the i7-8550U's TDP is unlocked and can be increased from 15W to say 25W, 35W or 45W and see a significant increase in performance as seen at 7:27 of this video (Xiaomi Mi Notebook Pro). 

Expect a noticable increase in CPU/chassis temps if increasing TDP this way. At 45W, it's effectively running like a i7-7700HQ and you'll note in the video, his video encoding time decreased significantly when running at 45w.

 

 

 

I'm traveling for work for about 10 days but will when I get back home.

 

-D

2017 13" HP Spectre X360 [8th,4C,U] + RX Vega 56 @ 32Gbps-TB3 (Mantiz Venus) + Win10 [build link]  

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4chip4
(@4chip4)
Estimable Member
Joined: 3 years ago
 
Posted by: nando4

Expect a noticable increase in CPU/chassis temps if increasing TDP this way. At 45W, it's effectively running like a i7-7700HQ and you'll note in the video, his video encoding time decreased significantly when running at 45w

One of the upsides of having the 15" version is that the cooling with the GPU is unified. The discrete GPU (MX150 or 940M) is a 20W component so even though you can't just increase CPU TDP by that much if you have an eGPU attached, you still have a bit more TDP headroom on the CPU side. The 13" versions are likely a bit more thermal-limited. Best to do test with one eye on the thermal gauge of the XTU 😉

2017 HP Spectre x360 15 i7-8550U GTX150 + GTX970@16Gbps-TB3 (HP Omen Accelerator) + Oculus Rift + Win10 (no guide)
HP Omen Accelerator Thunderbolt 3 enclosure legs stand removal walkthrough
Employed by HP, but my posts and opinions expressed on this forum are my own.


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dslater
(@dslater)
Eminent Member
Joined: 3 years ago
 
Posted by: 4chip4
Posted by: nando4

Expect a noticable increase in CPU/chassis temps if increasing TDP this way. At 45W, it's effectively running like a i7-7700HQ and you'll note in the video, his video encoding time decreased significantly when running at 45w

One of the upsides of having the 15" version is that the cooling with the GPU is unified. The discrete GPU (MX150 or 940M) is a 20W component so even though you can't just increase CPU TDP by that much if you have an eGPU attached, you still have a bit more TDP headroom on the CPU side. The 13" versions are likely a bit more thermal-limited. Best to do test with one eye on the thermal gauge of the XTU 😉

True enough, don't need to destroy a new ultrabook...

2017 13" HP Spectre X360 [8th,4C,U] + RX Vega 56 @ 32Gbps-TB3 (Mantiz Venus) + Win10 [build link]  

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dslater
(@dslater)
Eminent Member
Joined: 3 years ago
 

hey @4chip4... you think the 13" x360 could run a rift or other VR headset with an egpu?

-D

2017 13" HP Spectre X360 [8th,4C,U] + RX Vega 56 @ 32Gbps-TB3 (Mantiz Venus) + Win10 [build link]  

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4chip4
(@4chip4)
Estimable Member
Joined: 3 years ago
 
Posted by: dslater

hey @4chip4... you think the 13" x360 could run a rift or other VR headset with an egpu?

-D

Absolutely - that's how I use my Rift. The Oculus Rift (with Touch controllers) works reasonably well even with my 15" x360, which has less eGPU bandwidth than the 13" model. I didn't try TOO heavy games (after all, I only use it with a meager 970GTX), but Robo Recall, Bridge Crew, Google Earth et al all worked OK. Two caveats:

1. With the 7th gen Intel CPUs you will be almost certainly CPU bound - you want the 8th gen Intel, 8550U models

2. The Rift is pretty sensitive about which port the sensors are plugged in - I use a powered USB HUB and not the ports on the eGPU to avoid tracking jitters

 

2017 HP Spectre x360 15 i7-8550U GTX150 + GTX970@16Gbps-TB3 (HP Omen Accelerator) + Oculus Rift + Win10 (no guide)
HP Omen Accelerator Thunderbolt 3 enclosure legs stand removal walkthrough
Employed by HP, but my posts and opinions expressed on this forum are my own.


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