• # of Cores 6
  • # of Threads 12
  • Processor Base Frequency 2.60 GHz
  • Max Turbo Frequency 4.40 GHz
  • Cache 12 MB Intel® Smart Cache
  • Bus Speed 8 GT/s
  • Intel® Turbo Boost Technology 2.0 Frequency 4.40 GHz
  • TDP 65 W

 34,000  38,000

Intel Core i5-11400F

The Intel Core i5-11400F is a fast six-core desktop processor based on the new Rocket Lake architecture, which was introduced in March 2021. The processor clocks with a base clock of 2.6 GHz and reaches an all-core boost of 4.2 GHz under load. In single-thread applications, the Intel Core i5-11400F even reaches up to 4.4 GHz. Intel also gives the Rocket Lake processors the Hyperthreading feature, which allows the i5-11400F to process up to 12 threads simultaneously. As known, the Intel Core i5-11400F is manufactured in the 14 nm process. Nevertheless, many changes have been made with the Rocket Lake architecture, which is also reflected in the performance compared to the Comet Lake. The Intel Core i5-11400F is a non-K CPU, which means that there is no freely selectable multiplier. Thus, the scope for overclocking is relatively small.


Compared to the Intel Core i5-10400F, the Core i5-11400F offers a significantly better IPC. This can be seen clearly in the single-core benchmarks. But the multi-core performance also benefits from the better IPC compared to Comet-Lake. A performance increase of up to 20 percent can be expected. The Core i5 has to do without the TVB (Thermal Velocity Boost). However, 4.2 GHz is still possible when all cores are loaded. Due to the very high single-thread performance, the Intel Core i5-11400F is best suited for video games.

Graphics unit

The processors marked with “F” in the nomenclature don’t offer an integrated graphics unit. All other non-F processors can fall back on the Intel UHD Graphics 750 and also allow operation without a dedicated graphics card.

Power consumption

The TDP turns out relatively low with 65 watts. This is the PL1 value. For Turbo, the Intel Core i5-11400F offers a higher TDP of up to 154 watts with PL2. However, this may only be applied for a maximum of 28 seconds (dew). A good air cooler should be able to handle the resulting waste heat, so no AiO is necessary for this processor.


Series Intel Rocket Lake
Codename Rocket Lake-S
Series: Rocket Lake Rocket Lake-S
Intel Core i5-11600K 3.9 – 4.9 GHz 6 / 12 12 MB
» Intel Core i5-11400F 2.6 – 4.4 GHz 6 / 12 12 MB
Intel Core i5-11400T 1.3 – 3.7 GHz 6 / 12 12 MB
Clock Rate 2600 – 4400 MHz
Level 1 Cache 480 KB
Level 2 Cache 3 MB
Level 3 Cache 12 MB
Number of Cores / Threads 6 / 12
Power Consumption (TDP = Thermal Design Power) 65 Watt
Manufacturing Technology 14 nm
Max. Temperature 100 °C
Socket 1200
Features TVB, HyperThreading, AVX, AVX2, FMA3, Quick Sync, Virtualization
64 Bit 64 Bit support
Architecture x86
Starting Price $157 U.S.
Announcement Date 05/19/2021 = 466 days old
Product Link (external) Intel Rocket Lake i5-11400F


Details about our test system

We use the following system for the following benchmarks and tests:

  • Raijintek Pean Benchtable
  • Intel Core i5-11400F
  • MSI B560 MAG Tomahawk WiFi
  • Alphacool Eisbaer 280 AiO
  • Nvidia Titan RTX (Nvidia 456.71)
  • Corsair HX 1200i power supply
  • G.Skill Trident Z Neo RGB DDR4-4000 memory kit 2 x 16 GB, set to DDR4-4000 CL16-19-39
  • Intel Optane 905P 480GB PCIe SSD
  • Microsoft Windows 10 Professional 64-bit (version 20H2)

From Intel comes the Core i5-11400F, as well as the used MSI B560 motherboard and Caseking provided us with the Raijintek Pean Showcase for the tests. We used the Alphacool Eisbaer 280 AiO for cooling and G.Skill provided us with the DDR4-4000 memory kit.


Processor benchmarks

In a direct comparison with the predecessor (Intel Core i5-10400F), the newer Rocket Lake S model can place itself in front, as expected. The Intel Core i5-11400F now has a lead of almost 20 percent. The even older Intel Core i5-9400F can even be surpassed by up to 66 percent in the multi-thread benchmarks. However, the comparison to the AMD Ryzen 5 5600X, which also comes with 6 cores and 12 threads, is much more interesting. This shows that Intel still has a lot of homework to do, because the gap to the rival from the red camp is clear and cannot be denied. Moreover, AMD can accommodate up to 16 cores on the AM4 socket with its chiplet design.  Due to the larger cache (compared to Comet-Lake-S) Intel now only allows a maximum of 8 cores in the top model


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