2013 15" Lenovo Ideapad Y510P (GT755M-SLI) [4th,4C,Q] + GTX 1070 @ 64Gbps-LUA (Lenovo Ultrabay Adapter) + Win10 [intruder]
System Info :
Laptop: Lenovo IdeaPad Y510p SLI
Display: 15.6" Internal Display
CPU: Intel i7-4700MQ
RAM: 2x 4096 MB (DDR3L-1600)
iGPU: Intel HD Graphics 4600
dGPU1: 2048 MB NVIDIA GeForce GT 755M (on Motherboard)
dGPU2: 2048 MB NVIDIA GeForce GT 755M (via Ultrabay slot)
SSD: 256 GB Samsung SSD 850 EVO Sata
HDD: 1 TB Seagate (5400 RPM)
Windows: 10 Pro, v1803, build 17134.286
eGPU Setup :
No enclosure (open stand);
eGPU: Gigabyte GTX 1070 Mini ITX OC (Undervolted)
PSU: Corsair VS450
Ultrabay-to-PCI-E adapter (custom made by user gerald at Techinferno forum)
Hardware Pictures (Spoiler: a lot of pictures)
Ultrabay-to-PCI-E adapter :
This is the adapter that made eGPU possible. Thanks a lot to gerald from TI Forums.
This is the port in laptop where the ultrabay adapter connects. You'll also notice a Slimsata port on the left side for CD/DVD optical drives. I've utilized that port as well using a Slimsata extension cable.
After inserting the adapter:
Now you'll get the idea. It is just like the original implementation of ultrabay gpu from lenovo. Plug in the ultrabay adapter and you're ready to game.
I've modified the adapter by creating an aluminium enclosure around it (which should provide some EM shielding as well) and including the Slimsata extension cable. It is still a work in progress. Now the adapter on connecting side looks like this:
The sata cable coming out from the back is connected to slimline sata extension cable i mentioned earlier.
GTX 1070 installed
Also created a backplate for the GPU in the process.
Experimental BIOS (yeah, things go wild right from start point) from user High_Voltage at Techinferno forum. At the start we were only able to use AMD graphic cards. It's sound like a joke, since original ultrabay card was NVIDIA GeForce GT 755M, but it's Device ID was hardly added in BIOS. With Nvidia gfx card the laptop didn't boot. Now the modded BIOS unlocks using NVIDIA cards in additon to AMD ones.
It is possible to skip flashing the experimental BIOS by soldering Arduino on adapter.
Compal Motherboard Diagram
You may see on diagram that both VGAs (N14P-GT1) are connected directly to CPU.
AIDA64 (Both laptop & desktop for comparison)
Note: All synthetic benchmarks below are done with driver version 430.86.
Y510p + 1070 GTX
|3DMark Time Spy||-||-||6198||6177|
|3DMark Fire Strike||-||-||18023||17988|
Shadow of the Tomb Raider:
Forza Horizon 4:
Far Cry 5:
This is a very old laptop (more than 5 year old) but with the ultrabay adapter it can hold its own with the current gen laptops. I'm very impressed with the performance. The fps i'm getting is almost same as a desktop counterpart. I'll be getting a 120 Hz monitor soon. If anyone has any suggestions on the monitor it'll be greatly appreciated.
So there's my conclusion.
Lastly, i'll be getting a PCIe riser/extender to keep the GPU away from my face in an enclosure
Suggestions/feedbacks are always welcomed!
I have a question? maybe a silly or dumb one
The CPU you have mentioned can handle only 5 GT/s
GPU connected transfer at 8 GT/s thorough LUA PCI 3.0 x 8
it bottlenecks with CPU doesn't?
Incorrect. 5 GT/s you are mentioned is Bus Speed, here is quote from Intel ARK site:
A bus is a subsystem that transfers data between computer components or between computers. Types include:
front-side bus (FSB), which carries data between the CPU and memory controller hub;
direct media interface (DMI), which is a point-to-point interconnection between an Intel integrated memory controller and an Intel I/O controller hub on the computer’s motherboard; and Quick Path Interconnect (QPI), which is a point-to-point interconnect between the CPU and the integrated memory controller.
5 GT/s it is DMI v2 speed.
VGA not transfering data via DMI and later DMI to CPU. VGA connected directly to CPU via PCI-E interface (separate lanes). That's why it's have higher speed - 8 GT\s.
But still... mobile CPU is bottleneck in this system anyway. Due to it's overall performance and design.
Thank you for your reply.
I own i5-4200m, Y510p, since external LUA adapter is not available now, i have planned to go for GDC V8.0 mPCI-e .
since mpcie port cant give more than 4gbps transfer speed.
What difference it makes in gaming 4gbps vs 64gbps?
There will be a lot of difference. Check out the Build Guides section. You can filter it by mPCI-e. Afterwards compare the results.
I compared the Firestrike score with the below build and the difference is 13365 vs 11162
and these other builds doesn't have much benchmarks but handles games OK.
Yeah. If i have to guess, with mPCI-e you should be able to play games fine but you'll have to tone down some settings if you're aiming for 60 fps.
I recently ran benchmark on SOTR at the highest preset (internal screen) and this is what i got:
If you want me run any game benchmarks let me know.
Thank you for your reply and benchmark.
I want to use mpcie till we get the next batch of adapter, so thank you for clarifying.
for the time till we get new LUA i can lower my settings & play.