AMD Ryzen 9 5950X vs. Intel Core i9-11900K
CPU comparison with benchmarks
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| AMD Ryzen 9 5950X | Intel Core i9-11900K | |
| AMD Ryzen | Family | Intel Core i9 |
| AMD Ryzen 5000 | CPU group | Intel Core i 11000 |
| 4 | Generation | 11 |
| Vermeer (Zen 3) | Architecture | Rocket Lake S |
| Desktop / Server | Segment | Desktop / Server |
| AMD Ryzen 9 3950X | Predecessor | Intel Core i9-10900K |
| -- | Successor | Intel Core i9-12900K |
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| 16 | Cores | 8 |
| 32 | Threads | 16 |
| 3.40 GHz | Frequency | 3.50 GHz |
| 4.90 GHz | Turbo (1 Core) | 5.30 GHz |
| 4.20 GHz | Turbo (All Cores) | 4.80 GHz |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| Yes | Overclocking ? | Yes |
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| no iGPU | GPU | Intel UHD Graphics 750 |
| GPU frequency | 0.35 GHz | |
| GPU (Turbo) | 1.30 GHz | |
| GPU Generation | 12 | |
| Technology | 14 nm | |
| Max. displays | 3 | |
| Execution units | 32 | |
| Shader | 256 | |
| Max. GPU Memory | ||
| DirectX Version | 12 | |
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| No | Codec h265 / HEVC (8 bit) | Decode / Encode |
| No | Codec h265 / HEVC (10 bit) | Decode / Encode |
| No | Codec h264 | Decode / Encode |
| No | Codec VP9 | Decode / Encode |
| No | Codec VP8 | Decode |
| No | Codec AV1 | Decode |
| No | Codec AVC | Decode / Encode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode / Encode |
CPU Cores and Base Frequency
Internal Graphics
Hardware codec support
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| DDR4-3200 | Memory | DDR4-3200 |
| 128 GB | Max. Memory | 128 GB |
| 2 | Memory channels | 2 |
| Yes | ECC | No |
| 8.00 MB | L2 Cache | 4.00 MB |
| 64.00 MB | L3 Cache | 16.00 MB |
| 4.0 | PCIe version | 4.0 |
| 20 | PCIe lanes | 20 |
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| 105 W | TDP (PL1) | 125 W |
| 142 W | TDP (PL2) | 251 W @ 56 s |
| -- | TDP up | -- |
| -- | TDP down | 95 W |
| 95 °C | Tjunction max. | 100 °C |
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| 7 nm | Technology | 14 nm |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512 |
| AM4 | Socket | LGA 1200 |
| AMD-V, SVM | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Q4/2020 | Release date | Q1/2021 |
| show more data | show more data | |
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16 x 3.40 GHz, Turbo 4.90 GHz (105 W TDP) buy now on Amazon and save!
8 x 3.50 GHz, Turbo 5.30 GHz (125 W TDP) buy now on Amazon and save!
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Memory & PCIe
Thermal Management
Technical detailsCinebench R23 (Single-Core)
Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT |
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Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT |
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Cinebench R23 (Multi-Core)
Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.|
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AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT |
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Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT |
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Cinebench R20 (Single-Core)
Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.|
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AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT |
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Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT |
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Cinebench R20 (Multi-Core)
Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.|
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AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT |
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Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT |
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Cinebench R15 (Single-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.|
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AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT |
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Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT |
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Cinebench R15 (Multi-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.|
|
AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT |
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Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT |
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Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.|
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AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT |
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Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT |
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Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.|
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AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT |
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Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT |
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Monero Hashrate kH/s
The crypto currency Monero has been using the RandomX algorithm since November 2019. This PoW (proof of work) algorithm can only efficiently be calculated using a processor (CPU) or a graphics card (GPU). The CryptoNight algorithm was used for Monero until November 2019, but it could be calculated using ASICs. RandomX benefits from a high number of CPU cores, cache and a fast connection of the memory via as many memory channels as possible. Tested with XMRig v6.x under the operation system HiveOS.|
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AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT |
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Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT |
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iGPU - FP32 Performance (Single-precision GFLOPS)
The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.|
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AMD Ryzen 9 5950X
-- |
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Intel Core i9-11900K
Intel UHD Graphics 750 @ 1.30 GHz |
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Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.|
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AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT |
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Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT |
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| AMD Ryzen 9 5950X | Intel Core i9-11900K |
| Unknown | Unknown |
Devices using this processorThe Intel Core i9-11900K clocks its 8 CPU cores with 3.5 GHz in the base, but can also adjust its clock frequency dynamically. In turbo mode, 4.8 GHz are possible when all cores are loaded or even a very high 5.3 GHz when only one CPU core is loaded. The i9 also benefits from Hyper-Threading and can therefore process 16 threads in parallel.
Both processors have a free multiplier and can therefore be overclocked. The AMD Ryzen 9 5950X also has a 64 MB level 3 cache, while Intel has given the Intel Core i9-11900K only 16 MB. The maximum amount of RAM on both systems is 128 GB, with both processors being approved for DDR4-3200. With overclocking, significantly higher clock frequencies of the main memory are possible on both systems, DDR4-3600 is actually always achievable.
Despite its 16 cores, the AMD Ryzen 9 5950X has a lower TDP of 105 watts than Intel's Core i9-11900K, which is specified as 125 watts. This is mainly due to the significantly better energy efficiency of the AMD processor. Its "Zen 3" CPU cores are already being produced in a modern 7 nm process, while Intel is still using a (greatly improved) 14 nm production process. The "Rocket Lake" processors, to which the Intel Core i9-11900K belongs, were originally supposed to be manufactured in 10 nm. Due to delivery bottlenecks, Intel had to port this architecture to 14 nm via backport.
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