The Intel Core i5-12400F is a fast six-core processor based on the Alder Lake architecture, which was introduced in January 2022. The processor has a base clock speed of 2.5 GHz and reaches a maximum clock speed of up to 4.4 GHz under load. As with its predecessor, the Intel Core i5-11400F, Alder-Lake also supports hyperthreading, which means that up to 12 threads can be processed simultaneously. The Intel Core i5-12400F is manufactured using the 10 nm process. There are many changes to the new architecture, which is essentially based on a hybrid architecture. However, the Intel Core i5-12400F does not fully benefit from this, as only P-cores are used under the heatspreader. Only with the faster Intel Core i5-12600K can you enjoy the performance of the combination of P and E cores. The Intel Core i5-12400F is a non-K CPU, which in turn means that there is no freely selectable multiplier, which means that the CPU is not suitable for overclocking.
Performance
Compared to the Intel Core i5-11400F , the IPC of the Intel Core i5-12400F has been significantly increased again. The performance difference between the two processors is between 10 and 20 percent in most cases. Due to the good single-thread performance, the Intel Core i5-12400F is definitely a sensible CPU to use as the basis in a gaming PC.
Graphics unit
The processors marked with an "F" in the nomenclature do not offer an integrated graphics unit. All other non-F processors can rely on the Intel Iris Xe.
Power consumption
The TDP is relatively low at 65 watts. This is the PL1 value. For Turbo, the Intel Core i5-12400F with PL2 offers a higher TDP of up to 117 watts. If all restrictions are deactivated in the BIOS, there is no time limit for the PL2 value. With the maximum 117 watts, a large cooling unit is not required.
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.
Performance
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
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.
The Intel Core i5-11600K is a high-end desktop CPU based on the Rocket Lake architecture. The CPU offers 6 cores and 12 threads clocked at 3.9 - 4.9 GHz (Turbo Boost 2.0 only). Using all cores, the CPU can clock up to 4.6 GHz.
The TDP is rated at 125 Watt (PL1, power limit sustained load) but the PL2 is set to around 250 Watt for short term boosts (up to 56 seconds).
The Sunny Cove processor cores (known from the Ice Lake mobile CPUs) offer larger caches and an improved IPC (up to 19%). Furthermore, the chip also includes (partly) integrated WiFi 6E and Thunderbolt 4. The platform supports PCIe 4.0 and Intel DL Boost for AI acceleration.
Thanks to the faster core architecture, the 11600K can beat the old i5-10600K by around 20 percent. Therefore, the i5-11600K is a good mid range choice for gaming.
The faster Rocket Lake-S CPUs also integrate a new Intel UHD Graphics 750 that is based on the current Intel Xe architecture (e.g. mobile Tiger Lake) and offers 32 EUs. In the 11600K, the GPU is clocked from 350 - 1300 MHz.
The CPU is manufactured on the old 14nm process like the Comet Lake predecessors. The power consumption is not as high, as the Core i9-11900K, but can't come close to the power efficient Ryzen 5 5600X.
Average Benchmarks Intel Core i5-12400F → 100%n=43
Average Benchmarks Intel Core i5-11400F → 90%n=43
Average Benchmarks Intel Core i5-11600K → 99%n=43
- Range of benchmark values for this graphics card - Average benchmark values for this graphics card * Smaller numbers mean a higher performance 1 This benchmark is not used for the average calculation
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- Average benchmark values for this graphics card