AMD Ryzen 9 7900X | Intel Core i9-11900KF | |
CPU comparisonIn this CPU comparison, we compare the AMD Ryzen 9 7900X and the Intel Core i9-11900KF and use benchmarks to check which processor is faster.
We compare the AMD Ryzen 9 7900X 12 core processor released in Q4/2022 with the Intel Core i9-11900KF which has 8 CPU cores and was introduced in Q1/2021. |
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AMD Ryzen 9 (40) | Family | Intel Core i9 (78) |
AMD Ryzen 7000 (14) | CPU group | Intel Core i 11000 (22) |
6 | Generation | 11 |
Raphael (Zen 4) | Architecture | Rocket Lake S |
Desktop / Server | Segment | Desktop / Server |
AMD Ryzen 9 5900X | Predecessor | Intel Core i9-10900KF |
AMD Ryzen 9 9900X | Successor | Intel Core i9-12900KF |
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CPU Cores and Base FrequencyThe AMD Ryzen 9 7900X is a 12 core processor with a clock frequency of 4.70 GHz (5.60 GHz). The processor can compute 24 threads at the same time. The Intel Core i9-11900KF clocks with 3.50 GHz (5.30 GHz), has 8 CPU cores and can calculate 16 threads in parallel. |
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AMD Ryzen 9 7900X | Characteristic | Intel Core i9-11900KF |
12 | Cores | 8 |
24 | Threads | 16 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | Yes |
4.70 GHz | Frequency | 3.50 GHz |
5.60 GHz | Turbo Frequency (1 Core) | 5.30 GHz |
5.40 GHz | Turbo Frequency (All Cores) | 4.80 GHz |
Integrated graphics (iGPU)Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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AMD Radeon Graphics (Raphael) | GPU | no iGPU |
0.40 GHz | GPU frequency | -- |
2.20 GHz | GPU (Turbo) | -- |
9 | GPU Generation | -- |
5 nm | Technology | |
3 | Max. displays | |
2 | Compute units | -- |
128 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
8 GB | Max. GPU Memory | -- |
12 | DirectX Version | -- |
Hardware codec supportA photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos. |
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AMD Radeon Graphics (Raphael) | GPU | no iGPU |
Decode / Encode | Codec h265 / HEVC (8 bit) | No |
Decode / Encode | Codec h265 / HEVC (10 bit) | No |
Decode / Encode | Codec h264 | No |
Decode / Encode | Codec VP9 | No |
Decode / Encode | Codec VP8 | No |
Decode | Codec AV1 | No |
Decode / Encode | Codec AVC | No |
Decode | Codec VC-1 | No |
Decode / Encode | Codec JPEG | No |
Memory & PCIeUp to 128 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 9 7900X, while the Intel Core i9-11900KF supports a maximum of 128 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled. |
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AMD Ryzen 9 7900X | Characteristic | Intel Core i9-11900KF |
DDR5-5200 | Memory | DDR4-3200 |
128 GB | Max. Memory | 128 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
83.2 GB/s | Max. Bandwidth | 51.2 GB/s |
Yes | ECC | No |
12.00 MB | L2 Cache | 4.00 MB |
64.00 MB | L3 Cache | 16.00 MB |
5.0 | PCIe version | 4.0 |
24 | PCIe lanes | 20 |
94.5 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe AMD Ryzen 9 7900X has a TDP of 170 W. The TDP of the Intel Core i9-11900KF is 125 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD Ryzen 9 7900X | Characteristic | Intel Core i9-11900KF |
170 W | TDP (PL1 / PBP) | 125 W |
230 W | TDP (PL2) | 251 W @ 56 s |
-- | TDP up | -- |
-- | TDP down | 95 W |
95 °C | Tjunction max. | 100 °C |
Technical detailsThe AMD Ryzen 9 7900X has 76.00 MB cache and is manufactured in 5 nm. The cache of Intel Core i9-11900KF is at 20.00 MB. The processor is manufactured in 14 nm. |
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AMD Ryzen 9 7900X | Characteristic | Intel Core i9-11900KF |
5 nm | Technology | 14 nm |
Chiplet | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512 |
AM5 (LGA 1718) | Socket | LGA 1200 |
AMD-V, SVM | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q4/2022 | Release date | Q1/2021 |
549 $ | Release price | 513 $ |
show more data | show more data | |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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Intel Core i9-11900KF
8C 16T @ 5.30 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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Intel Core i9-11900KF
8C 16T @ 4.80 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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Intel Core i9-11900KF
8C 16T @ 5.30 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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Intel Core i9-11900KF
8C 16T @ 4.80 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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Intel Core i9-11900KF
8C 16T @ 5.30 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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Intel Core i9-11900KF
8C 16T @ 4.80 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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Intel Core i9-11900KF
8C 16T @ 5.30 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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Intel Core i9-11900KF
8C 16T @ 4.80 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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Intel Core i9-11900KF
8C 16T @ 4.80 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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Intel Core i9-11900KF
8C 16T @ 4.80 GHz |
AMD Ryzen 9 7900X
12C 24T @ 4.70 GHz |
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Intel Core i9-11900KF
8C 16T @ 3.50 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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Intel Core i9-11900KF
8C 16T @ 5.30 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.40 GHz |
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Intel Core i9-11900KF
8C 16T @ 4.80 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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Intel Core i9-11900KF
8C 16T @ 5.30 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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Intel Core i9-11900KF
8C 16T @ 5.30 GHz |
AMD Ryzen 9 7900X
AMD Radeon Graphics (Raphael) @ 2.20 GHz |
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Intel Core i9-11900KF
@ 0.00 GHz |
AMD Ryzen 9 7900X
12C 24T @ 5.60 GHz |
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Intel Core i9-11900KF
8C 16T @ 5.30 GHz |
AMD Ryzen 9 7900X
29,306 CB R23 MC @ 186 W |
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Intel Core i9-11900KF
3.50 GHz |
Devices using this processor |
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AMD Ryzen 9 7900X | Intel Core i9-11900KF |
Unknown | Unknown |