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[Performance] x16 2.0 Desktop vs x1 2.0 eGPU - GTX770 + R9 270x

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Ok guys I have supplemented my table with a AMD R9 270X and a AMD HD 7770. Furthermore, I will initially wanted to quit the eGPU subject because I have my GTX 770 packed into my PC. There, I have an Intel Quad-Core, which will be superior in the future games. 
But probably I continue to be active in the german Forum.

Of the request of Nando4 here the table:
My System; Lenovo X220, BIOS 1.39 (no-whitelist), i7-2640M, 8GB Ram, mSata-SSD 256GB and HDD 1TB and a PE4L-EC100A V2.1b

Grafikkarten, Verbindung 3DMark 06 3DMark Vantage 3DMark 11 3DMark (2013)
         
GTX 770, x16.2 ext. 19039* (100%) 25598 (100%) 10989 (100%) 246409 / 51774 / 7778 (100%/100%/100%)
GTX 770, x1.2 Opt. ext. 20099* (106%) 27584 (108%) 8748 (80%) 145922 / 39660 / 6624 (59%/77%/85%)
GTX 770, x1.2 Opt. int. 17943* (94%) 23062 (90%) 7993 (73%) 22746 / 21779 / 5781 (9%/42%/74%)
GTX 770, x1.1 Opt. ext. 19837* (104%) 23786 (93%) 7818 (71%) 112794 / 35436 / 6212 (46%/68%/80%)
GTX 770, x1.1 Opt. int. 12918* (68%) 15262 (60%) 6109 (56%) 11349 / 11220 / 4558 (5%/22%/59%)
         
GTX 660, x16.2 ext. 19112* (100%) 22751 (100%) 6556 (100%) 232266 / 34004 / 4746 (100%/100%/100%)
GTX 660, x1.2 Opt. ext. 18953* (99%) 20124 (88%) 5698 (87%) 131392 / 27756 / 4264 (56%/82%/90%)
GTX 660, x1.2 Opt. int. 17612* (92%) 17849 (78%) 5524 (84%) 22995 / 18465 / 3980 (10%/54%/84%)
GTX 660, x1.1 Opt. ext. 18860* (99%) 17670 (78%) 5355 (82%) 100774 / 25507 / 4068 (43%/75%/87%)
GTX 660, x1.1 Opt. int. 12910* (68%) 12827 (56%) 4647 (71%) 11350 / 10606 / 3356 (5%/31%/71%)
         
GTX 560 TI 448, x16.2 ext. 18905* (100%) 20781 (100%) 5201 (100%) 229377 / 33262 / 4330 (100%/100%/100%)
GTX 560 TI 448, x1.2 Opt. ext. 19295* (102%) 18162 (87%) 4838 (93%) 126747 / 27255 / 3722 (55%/82%/86%)
GTX 560 TI 448, x1.2 Opt. int. 17612* (94%) 17335 (83%) 4795 (92%) 22432 / 21072 / 3599 (10%/63%/83%)
GTX 560 TI 448, x1.1 Opt. ext. 18999* (101%) 16092 (77%) 4614 (89%) 100186 / 24734 / 3495 (44%/74%/81%)
GTX 560 TI 448, x1.1 Opt. int. 12964* (69%) 13553 (65%) 4300 (83%) 11352 / 11220 / 3113 (5%/34%/72%)
         
R9 270X x16.3 ext. 24944* (100%) - 8275 (100%) 248341 / 40418 / 6163 (100%/100%/100%)
R9 270X x1.2 ext. 16336* (65,5%) - 7273 (87,9%) 113338 / 34693 / 5417 (45,6%/85,8%/88%)
R9 270X x1.1 ext. 15564* (62,4%) - 6585 (79,6%) 89156 / 30596 / 4848 (35,9%/75,7%/78,7%)
         
Radeon HD 7770 x16.2 ext. 16636* (100%) 14667 (100%) 4044 (100%) 158657 / 19143 / 2868 (100%/100%/100%)
Radeon HD 7770 x1.2 ext. 14427* (86,7%) 12387 (84,4%) 3595 (88,9%) 86402 / 17264 / 2610 (54,4%/90,2%/91%)
Radeon HD 7770 x1.1 ext. 13667* (82,1%) 11173 (76,2%) 3405 (84,2%) 67712 / 15738 / 2429 (42,7%/82,2%/84,7%)
         
HD 4870, x16.2 ext. 13975* (100%) 9312 - 124249 / 14395 / - (100%/100%/-)
HD 4870, x1.2 ext. 4724* (34%) - - 72526 / 12044 / - (58%/84%/-)
HD 4870, x1.1 ext. 3958* (28%) - - 49071 / 9670 / - (40%/67%/-)
         
Intel HD 3000 int. 3837* 1446 - 28054 / 2673 / -

* = total value
x16.2 = a x16 connection with PCI-e 2.0
x16.3 = a x16 connection with PCI-e 3.0
x1.2 = a x1 connection with PCI-e 2.0
x1.1 = a x1 connection with PCI-e 1.0
Opt. = Optimus
ext. = external Monitor
int. = Laptop Monitor
(XXX%) = total value of the CPU and GPU, as CPU and system differently, you should consider this value wisely.

Soon, I supplement an AMD R9 290 / 290X.

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