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AMD Ryzen 9 5900 vs Intel Core i9-11900
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CPU comparison with benchmarks
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| AMD Ryzen 9 5900 | Intel Core i9-11900 | |
CPU comparisonAMD Ryzen 9 5900 or Intel Core i9-11900 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The AMD Ryzen 9 5900 has 12 cores with 24 threads and clocks with a maximum frequency of 4.70 GHz. Up to 128 GB of memory is supported in 2 memory channels. The AMD Ryzen 9 5900 was released in Q2/2021. The Intel Core i9-11900 has 8 cores with 16 threads and clocks with a maximum frequency of 5.20 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Core i9-11900 was released in Q1/2021. |
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| AMD Ryzen 9 (41) | Family | Intel Core i9 (80) |
| AMD Ryzen 5000 (14) | CPU group | Intel Core i 11000 (22) |
| 4 | Generation | 11 |
| Vermeer (Zen 3) | Architecture | Rocket Lake S |
| Desktop | Segment | Desktop |
| AMD Ryzen 9 3900 | Predecessor | Intel Core i9-10900 |
| AMD Ryzen 9 7900 | Successor | Intel Core i9-12900 |
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CPU Cores and Base FrequencyThe AMD Ryzen 9 5900 has 12 CPU cores and can calculate 24 threads in parallel. The clock frequency of the AMD Ryzen 9 5900 is 3.00 GHz (4.70 GHz) while the Intel Core i9-11900 has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the Intel Core i9-11900 is at 2.50 GHz (5.20 GHz). |
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| AMD Ryzen 9 5900 | Characteristic | Intel Core i9-11900 |
| 12 | Cores | 8 |
| 24 | Threads | 16 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| Yes | Overclocking ? | No |
| 3.00 GHz | Frequency | 2.50 GHz |
| 4.70 GHz | Turbo Frequency (1 Core) | 5.20 GHz |
| 4.10 GHz | Turbo Frequency (All Cores) | 3.80 GHz |
Integrated graphics (iGPU)The AMD Ryzen 9 5900 or Intel Core i9-11900 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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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 | |
| -- | Compute units | 32 |
| -- | Shader | 256 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 64 GB |
| -- | DirectX Version | 12 |
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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| no iGPU | GPU | Intel UHD Graphics 750 |
| 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 |
Memory & PCIeThe AMD Ryzen 9 5900 can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 51.2 GB/s. The Intel Core i9-11900 supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 51.2 GB/s. |
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| AMD Ryzen 9 5900 | Characteristic | Intel Core i9-11900 |
| DDR4-3200 | Memory | DDR4-3200 |
| 128 GB | Max. Memory | 128 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 51.2 GB/s | Max. Bandwidth | 51.2 GB/s |
| Yes | ECC | No |
| 6.00 MB | L2 Cache | 4.00 MB |
| 64.00 MB | L3 Cache | 16.00 MB |
| 4.0 | PCIe version | 4.0 |
| 20 | PCIe lanes | 20 |
| 39.4 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Ryzen 9 5900 is 65 W, while the Intel Core i9-11900 has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD Ryzen 9 5900 | Characteristic | Intel Core i9-11900 |
| 65 W | TDP (PL1 / PBP) | 65 W |
| -- | TDP (PL2) | 224 W @ 56 s |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 95 °C | Tjunction max. | 100 °C |
Technical detailsThe AMD Ryzen 9 5900 is manufactured in 7 nm and has 70.00 MB cache. The Intel Core i9-11900 is manufactured in 14 nm and has a 20.00 MB cache. |
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| AMD Ryzen 9 5900 | Characteristic | Intel Core i9-11900 |
| 7 nm | Technology | 14 nm |
| Chiplet | Chip design | Monolithic |
| 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 (PGA 1331) | 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 |
| Q2/2021 | Release date | Q1/2021 |
| -- | Release price | 439 $ |
| show more data | show more data | |
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8C 16T @ 2.50 GHz (5.20 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 3 CPU benchmarks
⌀ Multi core performance in 4 CPU benchmarks
Cinebench 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 5900
12C 24T @ 4.70 GHz |
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Intel Core i9-11900
8C 16T @ 5.20 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.
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AMD Ryzen 9 5900
12C 24T @ 4.70 GHz |
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Intel Core i9-11900
8C 16T @ 5.20 GHz |
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Geekbench 6 (Multi-Core)
The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.
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AMD Ryzen 9 5900
12C 24T @ 4.10 GHz |
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Intel Core i9-11900
8C 16T @ 3.80 GHz |
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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 5900
12C 24T @ 4.70 GHz |
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Intel Core i9-11900
8C 16T @ 5.20 GHz |
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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 5900
12C 24T @ 4.10 GHz |
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Intel Core i9-11900
8C 16T @ 3.80 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 5900
12C 24T @ 4.10 GHz |
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Intel Core i9-11900
8C 16T @ 3.80 GHz |
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CPU-Z Benchmark 17 (Multi-Core)
The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
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AMD Ryzen 9 5900
12C 24T @ 3.00 GHz |
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Intel Core i9-11900
8C 16T @ 2.50 GHz |
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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 5900
12C 24T @ 4.10 GHz |
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Intel Core i9-11900
8C 16T @ 3.80 GHz |
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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 5900
@ 0.00 GHz |
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Intel Core i9-11900
Intel UHD Graphics 750 @ 1.30 GHz |
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Devices using this processor |
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| AMD Ryzen 9 5900 | Intel Core i9-11900 |
| Unknown | Unknown |
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