Intel Core i9-11900KF | Intel Xeon Platinum 8458P | |
CPU comparisonIn this CPU comparison, we compare the Intel Core i9-11900KF and the Intel Xeon Platinum 8458P and use benchmarks to check which processor is faster.
We compare the Intel Core i9-11900KF 8 core processor released in Q1/2021 with the Intel Xeon Platinum 8458P which has 44 CPU cores and was introduced in Q1/2023. |
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Intel Core i9 (78) | Family | Intel Xeon Platinum (89) |
Intel Core i 11000 (22) | CPU group | Intel Xeon Platinum 8400 (18) |
11 | Generation | 4 |
Rocket Lake S | Architecture | Sapphire Rapids |
Desktop / Server | Segment | Desktop / Server |
Intel Core i9-10900KF | Predecessor | -- |
Intel Core i9-12900KF | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i9-11900KF is a 8 core processor with a clock frequency of 3.50 GHz (5.30 GHz). The processor can compute 16 threads at the same time. The Intel Xeon Platinum 8458P clocks with 2.70 GHz (3.80 GHz), has 44 CPU cores and can calculate 88 threads in parallel. |
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Intel Core i9-11900KF | Characteristic | Intel Xeon Platinum 8458P |
8 | Cores | 44 |
16 | Threads | 88 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | No |
3.50 GHz | Frequency | 2.70 GHz |
5.30 GHz | Turbo Frequency (1 Core) | 3.80 GHz |
4.80 GHz | Turbo Frequency (All Cores) | -- |
Memory & PCIeUp to 128 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i9-11900KF, while the Intel Xeon Platinum 8458P supports a maximum of 4096 GB of memory with a maximum memory bandwidth of 307.2 GB/s enabled. |
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Intel Core i9-11900KF | Characteristic | Intel Xeon Platinum 8458P |
DDR4-3200 | Memory | DDR5-4400, DDR5-4800 |
128 GB | Max. Memory | 4096 GB |
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
51.2 GB/s | Max. Bandwidth | 307.2 GB/s |
No | ECC | Yes |
4.00 MB | L2 Cache | -- |
16.00 MB | L3 Cache | 82.50 MB |
4.0 | PCIe version | 5.0 |
20 | PCIe lanes | 80 |
39.4 GB/s | PCIe Bandwidth | 315.0 GB/s |
Thermal ManagementThe Intel Core i9-11900KF has a TDP of 125 W. The TDP of the Intel Xeon Platinum 8458P is 350 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Core i9-11900KF | Characteristic | Intel Xeon Platinum 8458P |
125 W | TDP (PL1 / PBP) | 350 W |
251 W @ 56 s | TDP (PL2) | -- |
-- | TDP up | -- |
95 W | TDP down | -- |
100 °C | Tjunction max. | -- |
Technical detailsThe Intel Core i9-11900KF has 20.00 MB cache and is manufactured in 14 nm. The cache of Intel Xeon Platinum 8458P is at 82.50 MB. The processor is manufactured in 10 nm. |
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Intel Core i9-11900KF | Characteristic | Intel Xeon Platinum 8458P |
14 nm | Technology | 10 nm |
Monolithic | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512 |
LGA 1200 | Socket | LGA 4677 |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows, Linux |
Q1/2021 | Release date | Q1/2023 |
513 $ | Release price | 6759 $ |
show more data | show more data | |
Intel Core i9-11900KF
8C 16T @ 5.30 GHz |
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Intel Xeon Platinum 8458P
44C 88T @ 3.80 GHz |
Intel Core i9-11900KF
8C 16T @ 4.80 GHz |
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Intel Xeon Platinum 8458P
44C 88T @ 2.70 GHz |
Intel Core i9-11900KF
8C 16T @ 5.30 GHz |
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Intel Xeon Platinum 8458P
44C 88T @ 3.80 GHz |
Intel Core i9-11900KF
8C 16T @ 4.80 GHz |
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Intel Xeon Platinum 8458P
44C 88T @ 2.70 GHz |
Intel Core i9-11900KF
8C 16T @ 5.30 GHz |
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Intel Xeon Platinum 8458P
44C 88T @ 3.80 GHz |
Intel Core i9-11900KF
8C 16T @ 4.80 GHz |
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Intel Xeon Platinum 8458P
44C 88T @ 2.70 GHz |
Intel Core i9-11900KF
8C 16T @ 5.30 GHz |
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Intel Xeon Platinum 8458P
44C 88T @ 3.80 GHz |
Intel Core i9-11900KF
8C 16T @ 4.80 GHz |
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Intel Xeon Platinum 8458P
44C 88T @ 2.70 GHz |
Intel Core i9-11900KF
8C 16T @ 4.80 GHz |
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Intel Xeon Platinum 8458P
44C 88T @ 2.70 GHz |
Intel Core i9-11900KF
8C 16T @ 4.80 GHz |
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Intel Xeon Platinum 8458P
44C 88T @ 2.70 GHz |
Intel Core i9-11900KF
8C 16T @ 3.50 GHz |
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Intel Xeon Platinum 8458P
44C 88T @ 2.70 GHz |
Intel Core i9-11900KF
8C 16T @ 5.30 GHz |
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Intel Xeon Platinum 8458P
44C 88T @ 3.80 GHz |
Intel Core i9-11900KF
8C 16T @ 4.80 GHz |
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Intel Xeon Platinum 8458P
44C 88T @ 2.70 GHz |
Devices using this processor |
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Intel Core i9-11900KF | Intel Xeon Platinum 8458P |
Unknown | Unknown |