Is it the same die as the 10900k?
According to Geekbench, yes. They're both Family 6, Model 165, Stepping 5, which would be the Q0 stepping.
I read this rather differently than jpiniero. PC sales are actually up almost across the board, and Intel was already capacity constrained going into this mess. They had to be aggressive with binning the 10900K to ensure that their halo SKU could benchmark against AMD's offerings. However, they aren't yielding enough of them to supply OEMs or be able to cut prices in order to respond to the competition. So they slotted in another unlocked 10-core that they can have a little more flexibility with.
Incidentally, CML-U V2 with LPDDR4X support finally showed up on Geekbench last week as well:
https://browser.geekbench.com/v5/cpu/2990837
And I might as well throw in an updated version of my table of Intel "lake" dies:
Platform | Die | Cores | IGP | Process | HW Stepping | Model # | Stepping # | Launch Date |
SKL-H/S 4+2 | 4+2 HP | Skylake | Gen9 | 14 | R0 | 94 | 3 | Aug '15 |
SKL-U/Y 2+2 | 2+2 LP | Skylake | Gen9 | 14 | D1 | 78 | 3 | Sep '15 |
SKL-U 2+3e | 2+3 LP | Skylake | Gen9 | 14 | K1 | 78 | 3 | Sep '15 |
SKL-S 2+2 | 2+2 HP | Skylake | Gen9 | 14 | S0 | 94 | 3 | Sep '15 |
SKL-H 4+4e | 4+4 HP | Skylake | Gen9 | 14 | N0 | 94 | 3 | Jan '16 |
KBL-U/Y 2+2, AML-Y 2+2 | 2+2 LP | Skylake | Gen9.5 | 14+ | H0 | 142 | 9 | Aug '16 |
KBL-U 2+3e | 2+3 LP | Skylake | Gen9.5 | 14+ | J1 | 142 | 9 | Jan '17 |
KBL-S 2+2 | 2+2 HP | Skylake | Gen9.5 | 14+? | S0* | 158 | 9 | Jan '17 |
KBL-H/S/G/X 4+2 | 4+2 HP | Skylake | Gen9.5 | 14+ | B0 | 158 | 9 | Jan '17 |
KBL-U R 4+2 | 4+2 LP | Skylake | Gen9.5 | 14+ | Y0 | 142 | 10 | Aug '17 |
CFL-H/S 6+2, CFL-H/S R 6+2 | 6+2 HP | Skylake | Gen9.5 | 14++ | U0 | 158 | 10 | Oct '17 |
CFL-S 4+2, CFL-S R 4+2 | 4+2 HP | Skylake | Gen9.5 | 14++? | B0* | 158 | 11 | Oct '17 |
CFL-U 4+3e | 4+3 LP | Skylake | Gen9.5 | 14++ | D0 | 142 | 10 | Apr '18 |
CNL-U 2+0 | 4+2 LP | Palm Cove | Gen10 | 10 | ? | 102 | 3 | May '18 |
WHL-U 4+2 | 4+2 LP | Skylake | Gen9.5 | 14++ | W0 | 142 | 11 | Aug '18 |
CFL-S R 8+2 | 8+2 HP | Skylake | Gen9.5 | 14++ | P0 | 158 | 12 | Oct '18 |
WHL-U 4+2, AML/CML-Y 4+2, CML-U 4+2 V1 | 4+2 LP | Skylake | Gen9.5 | 14++ | V0 | 142 | 12 | Apr '19 |
CFL-H/S R 8+2 | 8+2 HP | Skylake | Gen9.5 | 14++ | R0 | 158 | 13 | Apr '19 |
ICL-Y 4+2 | 4+2 LP | Sunny Cove | Gen11 | 10+ | ? | 126 | 4 | Aug '19 |
ICL-U/UN/Y/YN 4+2 | 4+2 LP | Sunny Cove | Gen11 | 10+ | D1 | 126 | 5 | Aug '19 |
CML-U 6+2 V1 | 6+2 LP V1 | Skylake | Gen9.5 | 14++ | A0 | 166 | 0 | Aug '19 |
CML-H 8+2 | 8+2 HP | Skylake | Gen9.5 | 14++ | R1 | 165 | 2 | Apr '20 |
CML-S 6+2 | 6+2 HP | Skylake | Gen9.5 | 14++ | G1 | 165 | 3 | Apr '20 |
CML-S 10+2 | 10+2 HP | Skylake | Gen9.5 | 14++ | Q0 | 165 | 5 | Apr '20 |
CML-U 6+2 V2 | 6+2 LP V2 | Skylake | Gen9.5 | 14++ | K1 | 166 | 1 | May '20 |
LKF 1+4+2 | 1+4+2 | Sunny Cove + Tremont | Gen11 | 10+ | B3 | 138 | 1 | Jun '20 |
TGL-UP3/UP4 4+2 | 4+2 LP | Willow Cove | Gen12 LP | 10++ | | | | Aug '20? |
RKL-UP3 6+1 | 6+1 LP | Sunny Cove? | Gen12 LP | 14++ | | | | Aug '20? |
RKL-S 8+1 | 8+1 HP | Sunny Cove? | Gen12 LP | 14++ | | | | H1 '21? |
TGL-H 8+1 | 8+1 HP | Willow Cove | Gen12 LP | 10++ | | | | H1 '21? |
Platform Chipset | Die | PCH | Chipset Name | Process | HW Stepping | Launch Date |
SKL PCH-H | SPT-H | Sunrise Point | 100 Series | 22 | D1 | Aug '15 |
SKL PCH-LP | SPT-LP | Sunrise Point | 6/7/8/10th Gen | 22 | C1 | Sep '15 |
KBL PCH-H | KBP-H | Kaby Point | 200 Series | 22 | A0 | Jan '17 |
CNL PCH-LP | CNP-LP | Cannon Point | 300 Series | 14 | D0 | Apr '18 |
CNL PCH-H | CNP-H | Cannon Point | 300 Series | 14 | B0 | Apr '18 |
ICL PCH-LP | ICP-LP | Ice Point | 495 Series | 14 | D0* | Aug '19 |
CML PCH-LP | CMP-LP | Comet Point | 400 Series | 14 | A0 | Aug '19 |
ICL PCH-N | ICP-N | Ice Point | 495 Series | 14 | ? | Mar '20 |
CML PCH-H | CMP-H | Comet Point | 400 Series | 14 | A0* | Apr '20 |
CML PCH-V | CMP-V | Comet Point | 400 Series | 22 | A0* | Apr '20 |
TGL PCH-LP | TGP-LP | Tiger Point | 500 Series | 14 | | Aug '20? |
TGL PCH-H | TGP-H | Tiger Point | 500 Series | 14 | | H1 '21? |