Intel Core i9-12900KF | AMD Ryzen 7 5800X | |
CPU comparisonIn this CPU comparison, we compare the Intel Core i9-12900KF and the AMD Ryzen 7 5800X and use benchmarks to check which processor is faster.
We compare the Intel Core i9-12900KF 16 core processor released in Q4/2021 with the AMD Ryzen 7 5800X which has 8 CPU cores and was introduced in Q4/2020. |
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Intel Core i9 (78) | Family | AMD Ryzen 7 (67) |
Intel Core i 12000 (34) | CPU group | AMD Ryzen 5000 (12) |
12 | Generation | 4 |
Alder Lake S | Architecture | Vermeer (Zen 3) |
Desktop / Server | Segment | Desktop / Server |
Intel Core i9-11900KF | Predecessor | AMD Ryzen 7 3800X |
Intel Core i9-13900KF | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i9-12900KF is a 16 core processor with a clock frequency of 3.20 GHz (5.20 GHz). The processor can compute 24 threads at the same time. The AMD Ryzen 7 5800X clocks with 3.80 GHz (4.70 GHz), has 8 CPU cores and can calculate 16 threads in parallel. |
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Intel Core i9-12900KF | Characteristic | AMD Ryzen 7 5800X |
16 | Cores | 8 |
24 | Threads | 16 |
hybrid (big.LITTLE) | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | Yes |
3.20 GHz (5.20 GHz) 8x Golden Cove |
A-Core | 3.80 GHz (4.70 GHz) |
2.40 GHz (3.90 GHz) 8x Gracemont |
B-Core | -- |
Memory & PCIeUp to 128 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i9-12900KF, while the AMD Ryzen 7 5800X supports a maximum of 128 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled. |
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Intel Core i9-12900KF | Characteristic | AMD Ryzen 7 5800X |
DDR5-4800, DDR4-3200 | Memory | DDR4-3200 |
128 GB | Max. Memory | 128 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
76.8 GB/s | Max. Bandwidth | 51.2 GB/s |
No | ECC | Yes |
14.00 MB | L2 Cache | 4.00 MB |
30.00 MB | L3 Cache | 32.00 MB |
5.0 | PCIe version | 4.0 |
20 | PCIe lanes | 20 |
78.8 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe Intel Core i9-12900KF has a TDP of 125 W. The TDP of the AMD Ryzen 7 5800X is 105 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Core i9-12900KF | Characteristic | AMD Ryzen 7 5800X |
125 W | TDP (PL1 / PBP) | 105 W |
241 W | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
100 °C | Tjunction max. | 90 °C |
Technical detailsThe Intel Core i9-12900KF has 44.00 MB cache and is manufactured in 10 nm. The cache of AMD Ryzen 7 5800X is at 36.00 MB. The processor is manufactured in 7 nm. |
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Intel Core i9-12900KF | Characteristic | AMD Ryzen 7 5800X |
10 nm | Technology | 7 nm |
Monolithic | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2, AVX2+ | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
LGA 1700 | Socket | AM4 (PGA 1331) |
VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q4/2021 | Release date | Q4/2020 |
564 $ | Release price | 449 $ |
show more data | show more data | |
Intel Core i9-12900KF
16C 24T @ 5.20 GHz |
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AMD Ryzen 7 5800X
8C 16T @ 4.70 GHz |
Intel Core i9-12900KF
16C 24T @ 5.20 GHz |
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AMD Ryzen 7 5800X
8C 16T @ 4.70 GHz |
Intel Core i9-12900KF
16C 24T @ 5.20 GHz |
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AMD Ryzen 7 5800X
8C 16T @ 4.70 GHz |
Intel Core i9-12900KF
16C 24T @ 5.00 GHz |
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AMD Ryzen 7 5800X
8C 16T @ 4.40 GHz |
Intel Core i9-12900KF
16C 24T @ 5.20 GHz |
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AMD Ryzen 7 5800X
8C 16T @ 4.70 GHz |
Intel Core i9-12900KF
16C 24T @ 5.00 GHz |
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AMD Ryzen 7 5800X
8C 16T @ 4.40 GHz |
Intel Core i9-12900KF
16C 24T @ 5.20 GHz |
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AMD Ryzen 7 5800X
8C 16T @ 4.70 GHz |
Intel Core i9-12900KF
16C 24T @ 5.00 GHz |
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AMD Ryzen 7 5800X
8C 16T @ 4.40 GHz |
Intel Core i9-12900KF
16C 24T @ 5.20 GHz |
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AMD Ryzen 7 5800X
8C 16T @ 4.70 GHz |
Intel Core i9-12900KF
16C 24T @ 5.00 GHz |
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AMD Ryzen 7 5800X
8C 16T @ 4.40 GHz |
Intel Core i9-12900KF
16C 24T @ 5.00 GHz |
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AMD Ryzen 7 5800X
8C 16T @ 4.40 GHz |
Intel Core i9-12900KF
16C 24T @ 5.00 GHz |
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AMD Ryzen 7 5800X
8C 16T @ 4.40 GHz |
Intel Core i9-12900KF
16C 24T @ 5.00 GHz |
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AMD Ryzen 7 5800X
8C 16T @ 4.40 GHz |
Intel Core i9-12900KF
16C 24T @ 3.20 GHz |
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AMD Ryzen 7 5800X
8C 16T @ 3.80 GHz |
Intel Core i9-12900KF
16C 24T @ 5.20 GHz |
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AMD Ryzen 7 5800X
8C 16T @ 4.70 GHz |
Intel Core i9-12900KF
16C 24T @ 5.00 GHz |
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AMD Ryzen 7 5800X
8C 16T @ 4.40 GHz |
Intel Core i9-12900KF
27,472 CB R23 MC @ 240 W |
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AMD Ryzen 7 5800X
15,228 CB R23 MC @ 119 W |
Devices using this processor |
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Intel Core i9-12900KF | AMD Ryzen 7 5800X |
Unknown | Unknown |