Core i9-9900KF

Details and Benchmarks for Intel Core i9-9900KF

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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 i9-9900KF based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

6,259 Rank: 164
Rank Name Score Visual
160 Core i9-9900 6,266
+0.1%
161 Xeon W-1350P 6,262
+0%
162 EPYC 7402P 6,261
+0%
163 Core i9-10900K 6,261
+0%
164 Core i9-9900KF 6,259
165 Ryzen 7 5700X 6,255
-0.1%
166 Core i9-13900E 6,248
-0.2%
167 AMD Ryzen 7 1800X 6,246
-0.2%
168 Xeon w3-2435 6,246
-0.2%
169 Xeon Platinum 8176 6,239
-0.3%

View full ranking →

Multicore Score

Multicore performance score for Core i9-9900KF based on multi-threaded benchmark results.

5,732 Rank: 306
Rank Name Score Visual
302 AMD Ryzen 5 1600X 5,748
+0.3%
303 Ryzen 7 3800XT 5,743
+0.2%
304 Ryzen 5 5600GT 5,741
+0.2%
305 Xeon E5-2689 v4 5,736
+0.1%
306 Core i9-9900KF 5,732
307 Core i7-8086K 5,731
+-0%
308 Xeon W-3225 5,727
-0.1%
309 Xeon E-2386G 5,721
-0.2%
310 Ryzen Threadripper 1900X 5,720
-0.2%
311 Xeon Silver 4310T 5,720
-0.2%

View full ranking →

Singlecore Score

Single-core performance score for Core i9-9900KF based on single-threaded benchmark results.

6,610 Rank: 94
Rank Name Score Visual
90 Ryzen 9 PRO 5945 6,656
+0.7%
91 Xeon W-1370P 6,635
+0.4%
92 Ryzen 9 3900X 6,633
+0.3%
93 Ryzen 7 8845HS 6,625
+0.2%
94 Core i9-9900KF 6,610
95 Ryzen 5 7540U 6,606
-0.1%
96 Xeon W-1350 6,602
-0.1%
97 Ryzen 7 PRO 5845 6,601
-0.1%
98 Xeon w9-3495X 6,600
-0.2%
99 Core i9-11900K 6,599
-0.2%

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 i9-9900KF based on integer math, floating point math, and prime number computation benchmarks.

5,053 Rank: 349
Rank Name Score Visual
345 Ryzen 7 5825U 5,059
+0.1%
346 Core Ultra 7 165U 5,057
+0.1%
347 Xeon W-1350P 5,056
+0.1%
348 Xeon W-2145 5,053
+0%
349 Core i9-9900KF 5,053
350 Xeon Silver 4309Y 5,053
+0%
351 Core Ultra 5 125U 5,052
+-0%
352 Core i9-9900K 5,051
+-0%
353 Ryzen 5 7540U 5,048
-0.1%
354 Core Ultra 5 135U 5,047
-0.1%

View full ranking →

Data Processing

Aggregated score for Core i9-9900KF based on data encryption, data compression, and string sorting benchmarks.

5,171 Rank: 334
Rank Name Score Visual
330 Ryzen 5 5500 5,177
+0.1%
331 Xeon Gold 5315Y 5,177
+0.1%
332 Ryzen 7 PRO 2700 5,176
+0.1%
333 Core i9-9900K 5,172
+0%
334 Core i9-9900KF 5,171
335 Xeon W-1350P 5,171
+0%
336 Xeon E5-4660 v4 5,170
+-0%
337 Xeon E5-2687W v4 5,161
-0.2%
338 Ryzen 5 3600XT 5,158
-0.3%
339 Xeon D-2187NT 5,157
-0.3%

View full ranking →

Physics & Compute

Aggregated score for Core i9-9900KF based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

5,127 Rank: 326
Rank Name Score Visual
322 Core i7-10700KF 5,139
+0.2%
323 Core i7-10700K 5,136
+0.2%
324 Ryzen Threadripper 2920X 5,132
+0.1%
325 Xeon Gold 5215 5,127
+0%
326 Core i9-9900KF 5,127
327 Xeon E5-2689 v4 5,126
+-0%
328 Core i9-9900K 5,126
+-0%
329 Ryzen 9 5900HX 5,126
+-0%
330 Xeon E5-2680 v4 5,122
-0.1%
331 Core i9-10900 5,120
-0.1%

View full ranking →

Core i9-9900KF Details

The Intel Core i9-9900KF stands as a high-performance desktop processor from the Coffee Lake Refresh generation, launched in January 2019. While now several years old, it remains a potent option for enthusiasts and power users seeking strong single-threaded performance. At the time of its release, it competed directly with AMD’s Ryzen 7 2700X and Intel’s own Core i9-9900K, offering a similar feature set with a slight cost advantage due to its lack of integrated graphics. As of March 2026, the Core i9-9900KF is no longer a top-tier contender in the CPU landscape, but its performance still places it in the upper echelon of older processors.

Featuring eight cores and sixteen threads enabled via Hyper-Threading, the i9-9900KF operates at a base clock of 3.6 GHz and can boost up to 5.0 GHz on a single core, making it particularly effective in single-threaded applications. Built on Intel’s 14 nm process and using the FCLGA-1151 socket, it supports DDR4-2666 memory across a dual-channel interface, with a maximum capacity of 128 GB. The processor includes 16 MB of L3 cache and 2 MB of L2 cache, while L1 cache totals 0.5 MiB, split into 0.25 MiB for data and 0.25 MiB for instructions. It consumes 95 W under typical load, requiring adequate cooling, especially when overclocked.

One of the i9-9900KF’s most notable features is its unlocked multiplier, which allows for easy overclocking and makes it a popular choice among overclockers. It supports a wide array of modern instruction sets, including AVX, AVX2, AES-NI, and Intel’s Speed Shift and Turbo Boost 2.0 technologies. However, it lacks integrated graphics, necessitating a discrete GPU, and does not support AVX-512 or ECC memory, which limits its appeal in professional or server environments.

In benchmark testing, the Core i9-9900KF achieves an overall score of 6259, ranking #164 out of 2060 processors. Its single-core score of 6610 places it at #94, outperforming many modern CPUs in this category, including the Ryzen 7 5700X and Xeon W-1350. The multicore score of 5732 ranks it #306, showing a performance gap compared to newer multi-core processors but still competitive with older high-end models like the Core i7-8086K. In the Passmark tests, it scores 5053 in number crunching and 5171 in data processing, further reinforcing its strong single-threaded capabilities.

When compared to its closest peers, the i9-9900KF holds its own in single-core performance but trails behind more recent Intel and AMD offerings in multicore workloads. It is surpassed by the Core i9-10900K and Core i9-13900K in overall performance, while AMD’s Ryzen 9 7950X and Threadripper series dominate in multi-threaded tasks. Despite its age, the Core i9-9900KF remains a solid choice for gaming and productivity tasks that benefit from high clock speeds, particularly in scenarios where integrated graphics are not required. For users with existing LGA-1151 platforms, it offers a compelling upgrade path, though newer architectures provide better efficiency and future-proofing.
Frequently Compared

Intel Core i5-1135G7 9 views

AMD Ryzen 3 PRO 2200GE 1 view

AMD Ryzen 9 PRO 3900 1 view

AMD Ryzen 5 PRO 3500U 1 view

Intel Xeon Silver 4214 1 view

Intel Xeon Silver 4116T 1 view

Intel Xeon Silver 4112 1 view

Intel Core i9-9900KF

Main Specifications

Designer: Intel
Name: Core i9-9900KF
Family: Core
Series: i9-9000
Model Number: i9-9900KF
Cores: 8
Threads: 16
Base Frequency: 3600 MHz
Turbo Frequency (1 core): 5000 MHz
Turbo Frequency (2 cores): 5000 MHz
Clock Multiplier: 36x (unlocked)
Microarchitecture: Coffee Lake
Core Name: Coffee Lake R
Core Family: 6
Core Model: 158
Socket: LGA-1151
Package: FCLGA-1151
Chipset: 300
Target Segment: Desktop
Max CPUs: 1
TDP: 95 W
Release Price: $488.00

Cache Specifications

L1 Cache: 512 KiB
L1 Instruction Cache: 256 KiB (8-way set associative)
L1 Data Cache: 256 KiB (8-way set associative)
L2 Cache: 2 MiB (4-way set associative)
L3 Cache: 16 MiB (16-way set associative)

Memory Specifications

Supported Memory Type: DDR4-2666
Memory Channels: 2
Maximum Memory: 128 GB
Maximum Bandwidth: 39.74 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 3.0
PCIe Lanes: 16
PCIe Configuration: 1x16, 2x8, 1x8+2x4

Physical Specifications

Process: 14 nm
Die Area: 180.3 mm²
Manufacturer: Intel
Technology: CMOS
Word Size: 64-bit
ISA: x86-64 (x86)

CPU Features

MMX EMMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 ABM BMI1 BMI2 FMA3 AES RdRand ADX CLMUL F16C x86-16 x86-32 x86-64 Real Protected SMM FPU NX HT TBT 2.0 EIST SST TXT VT-x VT-d EPT MPX SGX Secure Key SMEP IPT TSX Flex Memory MWT ATT FMA
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