Intel Core i9-11900K vs. Intel Core i9-10900K

CPU comparison with benchmarks


Intel Core i9-11900K CPU1 vs CPU2 Intel Core i9-10900K
Intel Core i9-11900K Intel Core i9-10900K
Intel Core i9 Family Intel Core i9
Intel Core i 11000 CPU group Intel Core i 10000
11 Generation 10
Rocket Lake S Architecture Comet Lake S
Desktop / Server Segment Desktop / Server
Intel Core i9-10900K Predecessor Intel Core i9-9900K
Intel Core i9-12900K Successor Intel Core i9-11900K

CPU Cores and Base FrequencyCPU Cores and Base Frequency

8 Cores 10
16 Threads 20
3.50 GHz Frequency 3.70 GHz
5.30 GHz Turbo (1 Core) 5.30 GHz
4.80 GHz Turbo (All Cores) 4.90 GHz
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? Yes

Internal GraphicsInternal Graphics

Intel UHD Graphics 750 GPU Intel UHD Graphics 630
0.35 GHz GPU frequency 0.35 GHz
1.30 GHz GPU (Turbo) 1.20 GHz
12 GPU Generation 9.5
14 nm Technology 14 nm
3 Max. displays 3
32 Execution units 24
256 Shader 192
Max. GPU Memory 64 GB
12 DirectX Version 12

Hardware codec supportHardware codec support

Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode / Encode
Decode Codec VP8 Decode / Encode
Decode Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIeMemory & PCIe

DDR4-3200 Memory DDR4-2933
128 GB Max. Memory 128 GB
2 Memory channels 2
No ECC No
4.00 MB L2 Cache
16.00 MB L3 Cache 20.00 MB
4.0 PCIe version 3.0
20 PCIe lanes 16

Thermal ManagementThermal Management

125 W TDP (PL1) 125 W
251 W @ 56 s TDP (PL2) --
-- TDP up --
95 W TDP down 95 W
100 °C Tjunction max. 100 °C

Technical detailsTechnical details

14 nm Technology 14 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX2
LGA 1200 Socket LGA 1200
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Q1/2021 Release date Q2/2020
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Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
1686 (100%)
Amazon
Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
1382 (82%)
Amazon
Show all Cinebench R23 (Single-Core) results



Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
16211 (100%)
Amazon
Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
15945 (98%)
Amazon
Show all Cinebench R23 (Multi-Core) results



Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
650 (100%)
Amazon
Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
645 (99%)
Amazon
Show all Cinebench R20 (Single-Core) results



Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
6187 (96%)
Amazon
Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
6419 (100%)
Amazon
Show all Cinebench R20 (Multi-Core) results



Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
262 (100%)
Amazon
Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
232 (89%)
Amazon
Show all Cinebench R15 (Single-Core) results



Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
2515 (94%)
Amazon
Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
2668 (100%)
Amazon
Show all Cinebench R15 (Multi-Core) results



Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
1878 (100%)
Amazon
Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
1417 (75%)
Amazon
Show all Geekbench 5, 64bit (Single-Core) results



Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
11645 (100%)
Amazon
Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
11344 (97%)
Amazon
Show all Geekbench 5, 64bit (Multi-Core) results



Monero Hashrate kH/s

The crypto currency Monero has been using the RandomX algorithm since November 2019. This PoW (proof of work) algorithm can only efficiently be calculated using a processor (CPU) or a graphics card (GPU). The CryptoNight algorithm was used for Monero until November 2019, but it could be calculated using ASICs. RandomX benefits from a high number of CPU cores, cache and a fast connection of the memory via as many memory channels as possible. Tested with XMRig v6.x under the operation system HiveOS.

Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
7.25 (100%)
Amazon
Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
7 (97%)
Amazon
Show all Monero Hashrate kH/s results



iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.

Intel Core i9-11900K Intel Core i9-11900K
Intel UHD Graphics 750 @ 1.30 GHz
666 (100%)
Amazon
Intel Core i9-10900K Intel Core i9-10900K
Intel UHD Graphics 630 @ 1.20 GHz
461 (69%)
Amazon
Show all iGPU - FP32 Performance (Single-precision GFLOPS) results



Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.

Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
0 (0%)
Amazon
Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
126 (100%)
Amazon
Show all Blender 2.81 (bmw27) results



Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.

Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
28465 (100%)
Amazon
Intel Core i9-10900K Intel Core i9-10900K
10x 3.70 GHz (5.30 GHz) HT
24090 (85%)
Amazon
Show all Estimated results for PassMark CPU Mark results



Devices using this processorDevices using this processor

Intel Core i9-11900K Intel Core i9-10900K
Unknown Unknown
The Intel Core i9-11900K is the direct successor to the Intel Core i9-10900K, but the 11th generation of the Intel Core i9 processors now only has a maximum of 8 CPU cores, which is a step backwards to the 10th generation, which is still over 10 CPU cores. The reason is the backporting of the new "Rocket Lake S" architecture, which was actually designed for Intel's 10 nm production. Like all Core i processors of the 11th generation, the Intel Core i9-11900K is now manufactured in 14 nm. One suspects production and delivery problems on the part of Intel. However, by backporting to the 14 nm node, a maximum of 8 CPU cores can be produced economically.

The base clock of the Intel Core i9-11900K is 3.5 GHz, 4.8 GHz are possible on all 8 cores or 5.3 GHz on one CPU core via Turbo. The Intel Core i9-10900K has 10 cores, which it clocks at 3.7 GHz. Here, too, significantly higher clock frequencies are possible in turbo mode: up to 4.9 GHz under load on all cores or 5.3 GHz on one core.

Both processors support Hyper-Threading and can therefore process 16 (Intel Core i9-11900K) or even 20 threads (Intel Core i9-10900K) at the same time. The multiplier is also "free" for both processors, i.e. the processors can easily be overclocked. However, this requires very good air or, better still, water cooling.

In benchmarks, the Intel Core i9-11900K can set itself apart from its predecessor by between 12 and 15 percent under load on just one core thanks to the IPC increase in the new architecture. This is a similarly high increase that AMD was able to achieve with the Ryzen 5xxx series.

In multi-core scenarios, however, the newer Intel Core i9-11900K is about 10 percent behind its predecessor, which is due to the reduced number of cores.

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