Core i9-11900KB vs Core i9-11900KF

Core i9-11900KB
Core i9-11900KF
8 Cores
16 Threads
3.3GHz Clock
8 Cores
16 Threads
3.5GHz Clock
Socket
BGA 1787
Socket
LGA 1200
iGPU
UHD 32EU 1450MHz Gen 12
iGPU
No GPU
GB6S 2,200
58%
GB6S 2,450
65%
GB6M 9,000
38%
GB6M 11,100
46%
CB23S 1,665
71%
CB23S 1,575
67%
CB23M 12,265
30%
CB23M 14,895
36%
Manufacturer
Intel
Manufacturer
Intel
Architecture
Tiger Lake
Architecture
Rocket Lake
Family
Core 11th Gen
Family
Core 11th Gen
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Tiger Lake-B
-
Tiger Lake-8C
-
Willow Cove
-
-
-
-
Codename
Rocket Lake-S
-
-
-
Cypress Cove
-
-
-
-
Market Segment
Desktop
Market Segment
Desktop
Release Date
6/11/2021
Release Date
3/16/2021
Foundry
Intel
-
-
-
Foundry
Intel
-
-
-
Node
10nm SuperFin
-
-
-
Node
14nm++++
-
-
-
Die Size
190 mm²
-
-
-
Die Size
276 mm²
-
-
-
Transistor Count
12.4 Billion
-
-
-
Transistor Count
6.9 Billion
-
-
-
8 Cores
-
-
-
8 Cores
-
-
-
16 Threads
-
-
-
16 Threads
-
-
-
-
3.3GHz
4.9GHz Boost
-
-
3.5GHz
5.1GHz Boost
-
-
-
-
-
-
-
-
-
-
-
-
-
Overclocking
Unlocked
-
-
-
Overclocking
Unlocked
-
-
-
Type
DMI
Type
DMI
-
-
-
-
-
-
-
-
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
1280KB/Core
20-way set associative
-
-
-
-
-
-
-
-
-
-
L2
512KB/Core
8-way set associative
-
-
-
-
-
-
-
-
-
-
L3
-
24MB Shared
-
12-way set associative
-
-
-
-
-
L3
-
16MB Shared
-
16-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
65W
55W cTDP Down
-
-
TDP
125W
-
-
-
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 32EU 1450MHz Gen 12
256 Shaders
1450MHz
No GPU
-
-
GNA 2.0
GNA 2.0
-
-
-
-
-
-
-
-
-
-
-
-
No Cellular
No Cellular
Change Results