i9-11900KF vs Celeron 420
Primary details
Comparing Celeron 420 and Core i9-11900KF processor market type (desktop or notebook), architecture, sales start time and price.
Place in performance ranking | not rated | 401 |
Place by popularity | not in top-100 | not in top-100 |
Market segment | Desktop processor | Desktop processor |
Architecture codename | Conroe-L (2007−2008) | Rocket Lake (2021) |
Release date | June 2007 (17 years ago) | 16 March 2021 (3 years ago) |
Launch price (MSRP) | $23 | no data |
Detailed specifications
Celeron 420 and Core i9-11900KF basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
Physical cores | 1 (Single-Core) | 8 (Octa-Core) |
Threads | 1 | 16 |
Base clock speed | 1.6 GHz | 3.5 GHz |
Boost clock speed | 1.6 GHz | 5.2 GHz |
L1 cache | 64 KB | 64K (per core) |
L2 cache | 512 KB | 256K (per core) |
L3 cache | 0 KB | 16 MB (shared) |
Chip lithography | 65 nm | 14 nm |
Die size | 77 mm2 | no data |
Maximum core temperature | no data | 100 °C |
Maximum case temperature (TCase) | 60 °C | 72 °C |
Number of transistors | 105 million | no data |
64 bit support | + | + |
Windows 11 compatibility | - | + |
Unlocked multiplier | - | + |
VID voltage range | 1V-1.3375V | no data |
Compatibility
Information on Celeron 420 and Core i9-11900KF compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
Number of CPUs in a configuration | 1 | 1 |
Socket | LGA775 | FCLGA1200 |
Power consumption (TDP) | 35 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron 420 and Core i9-11900KF. You'll probably need this information if you require some particular technology.
Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
AES-NI | - | + |
AVX | - | + |
Enhanced SpeedStep (EIST) | - | + |
Turbo Boost Technology | - | 2.0 |
Hyper-Threading Technology | - | + |
TSX | - | + |
Idle States | + | + |
Thermal Monitoring | + | + |
Demand Based Switching | - | no data |
Turbo Boost Max 3.0 | no data | + |
FSB parity | - | no data |
Status | Discontinued | Discontinued |
Deep Learning Boost | - | + |
Security technologies
Celeron 420 and Core i9-11900KF technologies aimed at improving security, for example, by protecting against hacks.
TXT | - | + |
EDB | + | + |
Secure Key | no data | + |
Identity Protection | - | + |
SGX | no data | - |
OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron 420 and Core i9-11900KF are enumerated here.
VT-d | - | + |
VT-x | - | + |
EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron 420 and Core i9-11900KF. Depending on the motherboard, higher memory frequencies may be supported.
Supported memory types | DDR1, DDR2, DDR3 | DDR4-3200 |
Maximum memory size | no data | 128 GB |
Max memory channels | no data | 2 |
Maximum memory bandwidth | no data | 50 GB/s |
Peripherals
Specifications and connection of peripherals supported by Celeron 420 and Core i9-11900KF.
PCIe version | no data | 4.0 |
PCI Express lanes | no data | 20 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
Physical cores | 1 | 8 |
Threads | 1 | 16 |
Chip lithography | 65 nm | 14 nm |
Power consumption (TDP) | 35 Watt | 125 Watt |
Celeron 420 has 257.1% lower power consumption.
i9-11900KF, on the other hand, has 700% more physical cores and 1500% more threads, and a 364.3% more advanced lithography process.
We couldn't decide between Celeron 420 and Core i9-11900KF. We've got no test results to judge.
Should you still have questions on choice between Celeron 420 and Core i9-11900KF, ask them in Comments section, and we shall answer.
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