Core i9-11900K vs Core i9-11900KB

Core i9-11900K
Core i9-11900KB
8 Cores
16 Threads
3.5GHz Clock
8 Cores
16 Threads
3.3GHz Clock
Socket
LGA 1200
Socket
BGA 1787
iGPU
UHD 750 1300MHz
iGPU
UHD 32EU 1450MHz Gen 12
GB6S 2,450
65%
GB6S 2,200
58%
GB6M 11,100
46%
GB6M 9,000
38%
CB23S 1,665
71%
CB23S 1,665
71%
CB23M 16,210
39%
CB23M 12,265
30%
Manufacturer
Intel
Manufacturer
Intel
Architecture
Rocket Lake
Architecture
Tiger Lake
Family
Core 11th Gen
Family
Core 11th Gen
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Rocket Lake-S
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-
-
Cypress Cove
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-
-
-
Codename
Tiger Lake-B
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Tiger Lake-8C
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Willow Cove
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-
-
-
Market Segment
Desktop
Market Segment
Desktop
Release Date
3/16/2021
Release Date
6/11/2021
Foundry
Intel
-
-
-
Foundry
Intel
-
-
-
Node
14nm++++
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-
-
Node
10nm SuperFin
-
-
-
Die Size
276 mm²
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-
-
Die Size
190 mm²
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-
-
Transistor Count
6.9 Billion
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-
-
Transistor Count
12.4 Billion
-
-
-
8 Cores
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-
-
8 Cores
-
-
-
16 Threads
-
-
-
16 Threads
-
-
-
-
3.5GHz
5.2GHz Boost
-
-
3.3GHz
4.9GHz Boost
-
-
-
-
-
-
-
-
-
-
-
-
-
Overclocking
Unlocked
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-
-
Overclocking
Unlocked
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-
-
Type
DMI
Type
DMI
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-
-
-
-
-
-
-
Transfer Rate
8GT/s
Transfer Rate
8GT/s
-
-
-
-
Lanes
8
Lanes
8
Bandwidth
8GB/s
Bandwidth
8GB/s
Bi-directional
16GB/s
Bi-directional
16GB/s
L0 Instruction
-
-
L0 Instruction
-
-
L0 Data
-
-
L0 Data
-
-
L1 Instruction
32KB/Core
8-way set associative
-
-
-
-
L1 Instruction
32KB/Core
8-way set associative
-
-
-
-
L1 Data
48KB/Core
12-way set associative
-
-
-
-
L1 Data
48KB/Core
12-way set associative
-
-
-
-
L2
512KB/Core
8-way set associative
-
-
-
-
-
-
-
-
-
-
L2
1280KB/Core
20-way set associative
-
-
-
-
-
-
-
-
-
-
L3
-
16MB Shared
-
16-way set associative
-
-
-
-
-
L3
-
24MB 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
1600MHz
Transfer Rate
3200MT/s
Bandwidth/Channel
25.6GB/s
Bandwidth
51.2GB/s
Bandwidth/Channel
25.6GB/s
Bandwidth
51.2GB/s
TDP
125W
-
-
295W Peak
TDP
65W
55W cTDP Down
-
-
Temp
100°C Max
-
Temp
100°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 4.0 x20 Lanes
PCIe 4.0 x20 Lanes
UHD 750 1300MHz
256 Shaders
1300MHz
UHD 32EU 1450MHz Gen 12
256 Shaders
1450MHz
GNA 2.0
GNA 2.0
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-
-
-
-
-
-
-
-
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No Cellular
No Cellular
Change Results