Core i9-11900KB vs Core i9-12900

Core i9-11900KB
Core i9-12900 $480
8 Cores
16 Threads
3.3GHz Clock
16 Cores
24 Threads
2.4GHz Clock
Socket
BGA 1787
Socket
LGA 1700
iGPU
UHD 32EU 1450MHz Gen 12
iGPU
UHD 770 1550MHz
GB6S 2,200
58%
GB6S 2,540
67%
GB6M 9,000
38%
GB6M 13,385
56%
CB23S 1,665
71%
CB23S 1,990
85%
CB23M 12,265
30%
CB23M 23,215
56%
Manufacturer
Intel
Manufacturer
Intel
Architecture
Tiger Lake
Architecture
Alder Lake
Family
Core 11th Gen
Family
Core 12th Gen
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Tiger Lake-B
-
Tiger Lake-8C
-
Willow Cove
-
-
-
-
Codename
Alder Lake-S
-
Alder Lake-8P-8E
P-Core
Golden Cove
-
-
E-Core
Gracemont
Market Segment
Desktop
Market Segment
Desktop
Release Date
6/11/2021
Release Date
1/18/2022
Foundry
Intel
-
-
-
Foundry
Intel
-
-
-
Node
10nm SuperFin
-
-
-
Node
Intel 7
-
-
-
Die Size
190 mm²
-
-
-
Die Size
202 mm²
-
-
-
Transistor Count
12.4 Billion
-
-
-
Transistor Count
14.6 Billion
-
-
-
8 Cores
-
-
-
16 Cores
8 P-Cores
-
8 E-Cores
16 Threads
-
-
-
24 Threads
16 P-Threads
-
8 E-Threads
-
3.3GHz
4.9GHz Boost
-
P-Core
2.4GHz
5.1GHz Boost
-
-
-
-
-
-
-
-
-
-
E-Core
1.8GHz
3.8GHz Boost
Overclocking
Unlocked
-
-
-
Overclocking
Locked
-
-
-
Type
DMI
Type
DMI
-
-
-
-
-
-
-
-
Transfer Rate
8GT/s
Transfer Rate
16GT/s
-
-
-
-
Lanes
8
Lanes
8
Bandwidth
8GB/s
Bandwidth
16GB/s
Bi-directional
16GB/s
Bi-directional
32GB/s
L0 Instruction
-
-
L0 Instruction
-
-
L0 Data
-
-
L0 Data
-
-
L1 Instruction
32KB/Core
8-way set associative
-
-
-
-
L1 Instruction
32KB/P-Core
8-way set associative
-
-
64KB/E-Core
8-way set associative
L1 Data
48KB/Core
12-way set associative
-
-
-
-
L1 Data
48KB/P-Core
12-way set associative
-
-
32KB/E-Core
8-way set associative
L2
1280KB/Core
20-way set associative
-
-
-
-
-
-
-
-
-
-
L2
1280KB/Core
10-way set associative
-
-
-
-
-
-
-
-
4MB Shared (E-Core)
16-way set associative
L3
-
24MB Shared
-
12-way set associative
-
-
-
-
-
L3
-
30MB Shared
-
12-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
2
Channels
2
Max Memory
128GB
Max Memory
128GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
64Bit
Bus Width
128Bit
Bus Width/Channel
64Bit
Bus Width
128Bit
Clock
1600MHz
Transfer Rate
3200MT/s
Clock
2400MHz
Transfer Rate
4800MT/s
Bandwidth/Channel
25.6GB/s
Bandwidth
51.2GB/s
Bandwidth/Channel
38.4GB/s
Bandwidth
76.8GB/s
TDP
65W
55W cTDP Down
-
-
TDP
65W
-
-
202W Peak
Temp
100°C Max
-
Temp
100°C Max
-
Included Cooler
Not Included
Included Cooler
Laminar RH1
PCIe 4.0 x20 Lanes
PCIe 5.0 x16 Lanes
PCIe 4.0 x4 Lanes
UHD 32EU 1450MHz Gen 12
256 Shaders
1450MHz
UHD 770 1550MHz
256 Shaders
1550MHz
GNA 2.0
GNA 3.0
-
-
-
-
-
-
-
-
-
-
-
-
No Cellular
No Cellular
Change Results