Intel Core i9-11900KB Benchmark, Test and specs

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CPU lineage

The Intel Core i9-11900KB features 8 processor cores and has the capability to manage 16 threads concurrently. It was released in Q2/2021 and belongs to the 11 generation of the Intel Core i9 series. To use the Intel Core i9-11900KB, you'll need a motherboard with a BGA 1787 socket.
Name: Intel Core i9-11900KB
Family: Intel Core i9
Group: Intel Core i 11000H
Segment: Mobile
Generation: 11

CPU Cores and Base Frequency

The Intel Core i9-11900KB has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Core i9-11900KB is 3.3 GHz and turbo frequency for one core is 5.3 GHz. The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
CPU Cores: 8
Threads: 16
Cores: 8x
Core architecture: normal
Hyperthreading: Yes
Overclocking: Yes
Frequency: 3.3 GHz
Turbo Frequency (1 core): 5.3 GHz
Turbo Frequency (all cores): 4.9 GHz

Internal Graphics

The Intel Core i9-11900KB has integrated graphics, called iGPU for short. Specifically, the Intel Core i9-11900KB uses the Intel UHD Graphics 11th Gen (32 EU), which has 256 texture shaders and 32 execution units. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
GPU name: Intel UHD Graphics 11th Gen (32 EU)
GPU frequency: 0.35 GHz
GPU (Turbo): 1.45 GHz
Execution units: 32
Shaders: 256
Max. GPU Memory: 64.0 GB
Max. displays: --
Generation: 11
Direct X: 12
Technology: 10 nm
Release date: Q2/2021

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
h265 / HEVC (8 bit): Decode / Encode
h265 / HEVC (10 bit): Decode / Encode
h264: Decode / Encode
VP8: Decode / Encode
VP9: Decode / Encode
AV1: Decode
AVC: Decode / Encode
VC-1: Decode
JPEG: Decode / Encode

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 51.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
Memory type: DDR4-3200
Max. Memory: 128.0 GB
Memory channels: 2
Bandwidth: 51.2 GB/s
ECC: No
PCIe: pci
AES-NI: Yes

Thermal Management

The processor has a thermal design power (TDP) of 65 W watts. TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
TDP (PL1 / PBP): 65 W
TDP (PL2): None
TDP up: None
TDP down: 55 W
Tjunction max: 100 °C

Technical details

The Intel Core i9-11900KB is manufactured using a 10 nm process. A smaller manufacturing process indicates a more contemporary and energy-efficient CPU. In total, this processor boasts a generous 20.0 MB cache. A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
Technology: 10 nm
Chip design: Monolithic
Socket: BGA 1787
L2-Cache: 4.0 MB
L3-Cache: 20.0 MB
Architecture: Tiger Lake H
Operating systems: Windows 10, Linux, Windows 11
Virtualization: VT-x, VT-x EPT, VT-d
Instruction set (ISA): x86-64 (64 bit)
ISA extensions: SSE4.1, SSE4.2, AVX2, AVX-512
Release date: Q2/2021
Release price: 583 $
Part Number: --
Documents: Technical data sheet
ADS

Benchmarks

Estimated results for PassMark CPU Mark

Intel Xeon Gold 6146
12C 24T @ 3.2 GHz
23299
23299
Intel Xeon Platinum 8176
28C 56T @ 2.1 GHz
23189
23189
Intel Core i9-11900KB
8C 16T @ 3.3 GHz
23151
23151
AMD Ryzen 7 6800HS
8C 16T @ 3.2 GHz
23144
23144
Intel Xeon W-11955M
8C 16T @ 2.6 GHz
23067
23067

Cinebench R23 (Multi-Core)

Intel Core i7-11850H
8C 16T @ 2.5 GHz
12345
12345
Intel Core i9-11900H
8C 16T @ 2.5 GHz
12345
12345
Intel Core i9-11900KB
8C 16T @ 3.3 GHz
12264
12264
Intel Core i7-10700
8C 16T @ 2.9 GHz
12250
12250
Intel Core i7-10700F
8C 16T @ 2.9 GHz
12250
12250

Geekbench 6 (Multi-Core)

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
10689
10689
AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
10689
10689
Intel Core i9-11900KB
8C 16T @ 3.3 GHz
10645
10645
Intel Core i9-10900KF
10C 20T @ 3.7 GHz
10634
10634
AMD Ryzen 9 PRO 3900
12C 24T @ 3.1 GHz
10522
10522

Cinebench R20 (Multi-Core)

AMD Ryzen 7 PRO 6850HS
8C 16T @ 3.2 GHz
4735
4735
AMD EPYC 7351
16C 32T @ 2.4 GHz
4728
4728
Intel Core i9-11900KB
8C 16T @ 3.3 GHz
4712
4712
AMD Ryzen 7 5800HS
8C 16T @ 2.8 GHz
4710
4710
Intel Core i9-9820X
10C 20T @ 3.3 GHz
4677
4677

Geekbench 6 (Single-Core)

Intel Core i7-12800HL
14C 20T @ 2.4 GHz
2235
2235
AMD EPYC 9254
24C 48T @ 2.9 GHz
2233
2233
Intel Core i9-11900KB
8C 16T @ 3.3 GHz
2231
2231
Intel Core i5-1340P
12C 16T @ 1.8 GHz
2217
2217
AMD Ryzen 9 5950X
16C 32T @ 3.4 GHz
2215
2215

Cinebench R15 (Multi-Core)

AMD Ryzen 7 5800H
8C 16T @ 3.2 GHz
2164
2164
AMD Ryzen 9 5980HS
8C 16T @ 3.0 GHz
2154
2154
Intel Core i9-11900KB
8C 16T @ 3.3 GHz
2144
2144
Intel Core i9-10900T
10C 20T @ 1.9 GHz
2136
2136
Intel Xeon Platinum 8153
16C 32T @ 2.0 GHz
2124
2124

Geekbench 5, 64bit (Single-Core)

Intel Core i7-11700B
8C 16T @ 3.2 GHz
1878
1878
Intel Core i9-11900KF
8C 16T @ 3.5 GHz
1878
1878
Intel Core i9-11900KB
8C 16T @ 3.3 GHz
1878
1878
Intel Core i9-11900K
8C 16T @ 3.5 GHz
1878
1878
Intel Core i9-12900T
16C 24T @ 1.4 GHz
1878
1878

Cinebench R23 (Single-Core)

Intel Core i5-1235U
10C 12T @ 1.3 GHz
1668
1668
Intel Core i7-11700B
8C 16T @ 3.2 GHz
1663
1663
Intel Core i9-11900KB
8C 16T @ 3.3 GHz
1663
1663
Intel Core i7-11700B
8C 16T @ 3.2 GHz
1663
1663
AMD Ryzen 9 PRO 6950H
8C 16T @ 3.3 GHz
1662
1662

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel Core i5-11500H
6C 12T @ 2.9 GHz
742
742
Intel Core i7-11800H
8C 16T @ 2.3 GHz
742
742
Intel Core i9-11900KB
8C 16T @ 3.3 GHz
742
742
Intel Core i7-11600H
6C 12T @ 2.5 GHz
742
742
Intel Core i5-11500B
6C 12T @ 3.3 GHz
742
742

Cinebench R20 (Single-Core)

AMD Ryzen 9 PRO 6950HS
8C 16T @ 3.3 GHz
642
642
AMD Ryzen 9 PRO 6950H
8C 16T @ 3.3 GHz
642
642
Intel Core i9-11900KB
8C 16T @ 3.3 GHz
640
640
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
637
637
AMD Ryzen 7 5800X
8C 16T @ 3.8 GHz
628
628

Cinebench R15 (Single-Core)

Intel Core i9-12900HK
14C 20T @ 2.5 GHz
257
257
Intel Core i9-12900H
14C 20T @ 2.5 GHz
257
257
Intel Core i9-11900KB
8C 16T @ 3.3 GHz
256
256
AMD Ryzen 7 5700X
8C 16T @ 3.4 GHz
253
253
Intel Core i5-13400
10C 16T @ 2.5 GHz
253
253

Blender 2.81 (bmw27)

AMD Ryzen 9 4900HS
8C 16T @ 3.0 GHz
208
208
AMD Ryzen 9 4900H
8C 16T @ 3.3 GHz
202
202
Intel Core i9-11900KB
8C 16T @ 3.3 GHz
200
200
AMD Ryzen 9 6900HS
8C 16T @ 3.0 GHz
191
191
Intel Xeon E5-2690 v3
12C 24T @ 2.6 GHz
185.5
185.5