Resistance to Ground List
I feel it important to state that this is truly Resistance to ground - not Diode readings.
Paul Daniels is adding resistance and voltage to FlexBoardView. Linking to his repo here
Resistance by Board Number
820-2796 2010 11" MacBook Air
L6995 PP3V42_G3H 160 KΩ
820-3024 2011 11" MacBook Air
C7649 PP1V05_S0 51 Ω
820-00165 2015/17 13" MacBook Air
C2740 PP0V6_S0_DDRVTT 630 Ω
C7648 PP1V05_S0 217 Ω
C1910 PPVRTC_G3H ~ 7 MΩ
C6100 PP3V3_SUS 54 kΩ
820-00875 2016 13" MacBook Pro with Function keys
L2950 VR09V_IND_TBT_X 564 Ω
C2994 PP3V3_TBT_X_F 2.8 KΩ
CPU Resistance
Penryn
2010 MBA 11" 59 Ω
2010 MBP 13" 23.5 Ω
2010 MBP 13" P8600: 62Ω
Arrandale
2010 MBP 15" i5 101 Ω
2010 MBP 15" i7 51 Ω
2010 MBP 15" i5-520M: CPU=15Ω/iGPU=64Ω
2010 MBP 15" i5-540M: CPU=57Ω/iGPU=33Ω, CPU=46Ω/iGPU=59Ω
Sandy Bridge
2011 MBP 13" i5 8 Ω
2011 MBP 13" i5-2415M: CPU=17Ω/iGPU=15Ω
2011 MBA 11" I5 23 Ω
2011 MBA 13" i5-2557M: CPU=25Ω/iGPU=20Ω, CPU=29Ω/iGPU=25Ω
2011 MBA 13" i7-2677M: CPU=25Ω/iGPU=23Ω
Ivy Bridge
Down to 1.5 Ω
2012 MBP 13" i5-3210M: CPU=2.0Ω/iGPU=1.3Ω
2012 MBP 13" i7-3520M CPU=2.0Ω/iGPU=2.1Ω
2012 MBP 15" i7 4.1 Ω
2012-E2012 MBPr 15" 1.5 Ω
2012 MBA 13" i5 4.3 Ω
2012 MBA 13" i5-3427U: CPU=3.4Ω/iGPU=2.0Ω
Haswell
Haswell-U
At least 20 Ω
L2013-2014 13" MBP
L2013 MBP 13" i5-4258U: 53Ω, 76Ω, 77Ω
M2014 MBP 13" i5-4278U: 165Ω
2013-2014 MBA i5 120 Ω
Haswell-H
Above 10Ω
L2013-M2014 15" MBP
L2013 15" MBP iGPU i7-4750HQ: 22Ω, 35Ω
M2014 15" MBP iGPU i7-4770HQ: 10Ω, 15Ω
M2014 15" MBP dGPU i7-4870HQ: 15Ω
L2013 15" MBP dGPU i7-4850HQ: 21Ω
Broadwell
Around 18 Ω
2015 13" MBP i5 15 Ω
2015 MB
2015-2017 11 MBA i5 23 Ω
2015-2017 13 MBA i5 18 Ω
2015-2017 13 MBA i7 23 Ω
Skylake
6 Ω, 7 Ω
2016 MBP
2016 MB
Kaby Lake
2017 MBP 13" i5 10 Ω
2017 MB 12" m3 16 Ω
Coffee Lake
2018-2019 MBP 15" 4.8 Ω
2018-2019 MBP 13"
2019 MBP 16"
Amber Lake Y
2018-2019 MBA