Core i9-11900KF

Details and Benchmarks for Intel Core i9-11900KF

Sysbuilds Alpha Stage!

Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Core i9-11900KF based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

6,315 Rank: 144
Rank Name Score Visual
140 Xeon w5-2445 6,330
+0.2%
141 Xeon W-1370P 6,318
+0%
142 Zen+ µarch 6,317
+0%
143 Zen µarch 6,317
+0%
144 Core i9-11900KF 6,315
145 Xeon Platinum 8180 6,314
+-0%
146 Ryzen Z1 6,307
-0.1%
147 EPYC 7451 6,304
-0.2%
148 Core i9-9920X 6,303
-0.2%
149 Xeon Gold 6348 6,303
-0.2%

View full ranking →

Multicore Score

Multicore performance score for Core i9-11900KF based on multi-threaded benchmark results.

5,982 Rank: 234
Rank Name Score Visual
230 Core i7-12700H 6,001
+0.3%
231 Ryzen 7 5800X 6,001
+0.3%
232 Xeon E5-2698 v4 5,985
+0.1%
233 Core i7-6950X 5,985
+0.1%
234 Core i9-11900KF 5,982
235 Xeon W-2170B 5,981
+-0%
236 Xeon Gold 6134M 5,976
-0.1%
237 Ryzen 7 PRO 5845 5,970
-0.2%
238 Xeon E5-2628L v4 5,968
-0.2%
239 Ryzen 7 5800XT 5,968
-0.2%

View full ranking →

Singlecore Score

Single-core performance score for Core i9-11900KF based on single-threaded benchmark results.

6,537 Rank: 110
Rank Name Score Visual
106 Xeon w7-2495X 6,568
+0.5%
107 Core i9-11900T 6,553
+0.2%
108 Xeon E-2278G 6,551
+0.2%
109 Core i7-8670 6,542
+0.1%
110 Core i9-11900KF 6,537
111 Xeon w5-2455X 6,529
-0.1%
112 Ryzen Threadripper PRO 5955WX 6,527
-0.2%
113 Core i7-8086K 6,520
-0.3%
114 Core i9-9900KS 6,512
-0.4%
115 Core i9-10980XE 6,512
-0.4%

View full ranking →

Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Core i9-11900KF based on integer math, floating point math, and prime number computation benchmarks.

5,253 Rank: 249
Rank Name Score Visual
245 Ryzen 5 5600 5,261
+0.2%
246 Core i9-11900K 5,259
+0.1%
247 Xeon Gold 6130 5,256
+0.1%
248 Xeon E5-2695 v4 5,256
+0.1%
249 Core i9-11900KF 5,253
250 Xeon Gold 5218 5,250
-0.1%
251 Ryzen 7 8840U 5,249
-0.1%
252 Xeon Silver 4216 5,246
-0.1%
253 Xeon W-1290P 5,243
-0.2%
254 Xeon E5-2690 v4 5,237
-0.3%

View full ranking →

Data Processing

Aggregated score for Core i9-11900KF based on data encryption, data compression, and string sorting benchmarks.

5,393 Rank: 234
Rank Name Score Visual
230 Xeon W-2175 5,398
+0.1%
231 Xeon W-1290P 5,397
+0.1%
232 Ryzen 5 7500F 5,395
+0%
233 Core i9-10900K 5,393
+0%
234 Core i9-11900KF 5,393
235 Core i9-10900KF 5,389
-0.1%
236 Ryzen 7 8840HS 5,388
-0.1%
237 Xeon E-2388G 5,387
-0.1%
238 Ryzen 9 6900HX 5,384
-0.2%
239 Xeon E5-2697A v4 5,383
-0.2%

View full ranking →

Physics & Compute

Aggregated score for Core i9-11900KF based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

5,235 Rank: 264
Rank Name Score Visual
260 Ryzen 7 5800 5,242
+0.1%
261 Ryzen 7 3800X 5,240
+0.1%
262 Ryzen 7 8840HS 5,236
+0%
263 Ryzen 7 3800XT 5,235
+0%
264 Core i9-11900KF 5,235
265 Core Ultra 7 258V 5,234
+-0%
266 Ryzen 9 6900HX 5,231
-0.1%
267 Xeon Gold 6234 5,230
-0.1%
268 Ryzen Z1 Extreme 5,230
-0.1%
269 Ryzen 7 PRO 5845 5,229
-0.1%

View full ranking →

Core i9-11900KF Details

Built on Intel's Rocket Lake-S architecture and manufactured on a 14 nm process, the Core i9-11900KF is a high-performance desktop CPU that was released in March 2021. Though now several years old, it remains a compelling option for users seeking strong single-threaded performance without integrated graphics. The processor features eight cores and sixteen threads, enabled by Intel Hyper-Threading technology, and operates at a base frequency of 3.5 GHz with a turbo boost of up to 5.3 GHz, making it one of the fastest consumer-grade CPUs of its generation in single-core workloads.

The Core i9-11900KF is packaged in the LGA 1200 socket and is compatible with a range of chipsets including Z590, B560, and H570. It supports DDR4 memory with dual-channel operation, up to a rated speed of 3200 MT/s, and offers a maximum memory bandwidth of 51.2 GB/s. The CPU includes a substantial 15.259 MiB L3 cache, complemented by 0.488 MiB of L2 cache and 0.076 MiB of L1 cache, ensuring efficient data access for demanding applications. With a TDP of 125 W, the processor demands robust cooling solutions, especially when operating at high frequencies.

Despite lacking integrated graphics, the Core i9-11900KF supports a wide range of advanced features, including AVX, AVX2, and AVX-512 instruction sets, which enhance performance in computational and scientific workloads. It also supports Intel’s Turbo Boost Technology 2.0, Enhanced SpeedStep, and hardware virtualization technologies such as VT-x and VT-d, making it suitable for both gaming and professional virtualization environments. The unlocked multiplier simplifies overclocking, allowing enthusiasts to fine-tune performance.

In benchmark testing, the Core i9-11900KF achieves an overall score of 6315, ranking #144 out of 2060 processors, with a single-core score of 6537 (#110) and a multicore score of 5982 (#234). These results highlight its strength in single-threaded tasks, where it outperforms many of its contemporaries, including the Core i9-12700H and Ryzen 7 5800X. However, its multicore performance, while solid, is outpaced by newer architectures and processors with more cores and higher efficiency.

As of March 2026, the Core i9-11900KF is best suited for users who prioritize raw single-threaded performance and are willing to forgo integrated graphics. It remains competitive in tasks such as gaming, content creation, and productivity applications that benefit from high clock speeds. While newer processors have since surpassed it in both efficiency and overall performance, the i9-11900KF still holds a place in the enthusiast market for those seeking a high-frequency, overclockable CPU within a compatible platform.
Frequently Compared

AMD Phenom 9650 23 views

AMD Ryzen 7 PRO 2700 23 views

Intel Core i3-4030U 22 views

AMD Ryzen 7 PRO 2700X 21 views

AMD Ryzen 5 3600 20 views

AMD Ryzen 5 3500X 20 views

AMD A10-5757M 20 views

Intel Core 2 Duo E8600 20 views

AMD Athlon II X2 270 19 views

AMD A10-7400P 18 views

Intel Core i9-11900KF

Main Specifications

Designer: Intel
Name: Core i9-11900KF
Cores: 8
Threads: 16
Base Frequency: 3500 MHz
Clock Multiplier: 35x (unlocked)
Core Name: Rocket Lake
Socket: Socket 1200
Package: FC-LGA14A
Target Segment: Desktop
TDP: 125 W

Cache Specifications

L1 Cache: 77.824 KiB
L2 Cache: 0.488 MiB
L3 Cache: 15.259 MiB

Memory Specifications

Supported Memory Type: DDR4

Physical Specifications

Process: 14 nm
Die Area: 276 mm²
Manufacturer: Intel

CPU Features

MMX SSE SSE2 SSE3 SSSE3 SSE4.2 AVX AVX2 ABM BMI1 BMI2 FMA3 RdRand ADX CLMUL F16C TBT 2.0 EIST TXT VT-x VT-d SHA AVX-512 TSX TVB
Related News

3 sources · 1 week ago

Linux Kernel 7.1-rc6 Released: AMD Zen 6 Support Added as clearcpuid Docs Removed Amid Heavy Code Churn

With the release of Linux Kernel 7.1-rc6, AMD has expanded the range of recognized Zen 6 CPU model numbers up to 239, re...

3 sources · 5 days ago

7 sources · 4 days ago

Intel Unveils Arc G-Series: Panther Lake Chips with XeSS 3 Aim to Challenge AMD in Handheld Gaming Market

At Computex 2026, Intel introduced the new Arc G-Series, a processor family based on the Panther Lake architecture speci...

3 sources · 1 week ago

3 sources · 1 week ago

Login

Forgot your password?

Your experience on this site will be improved by allowing cookies.