Intel Core i9-11900KB vs AMD FX-6120
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CPU comparison with benchmarks
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| Intel Core i9-11900KB | AMD FX-6120 | |
CPU comparisonIntel Core i9-11900KB or AMD FX-6120 - 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 Intel Core i9-11900KB has 8 cores with 16 threads and clocks with a maximum frequency of 5.30 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i9-11900KB was released in Q2/2021. The AMD FX-6120 has 6 cores with 6 threads and clocks with a maximum frequency of 4.10 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD FX-6120 was released in Q2/2012. |
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| Intel Core i9 (78) | Family | AMD FX (30) |
| Intel Core i 11000H (17) | CPU group | AMD FX-6100/6200 (3) |
| 11 | Generation | 1 |
| Tiger Lake H | Architecture | Zambezi (Bulldozer) |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i9-11900KB is a 8 core processor with a clock frequency of 3.30 GHz (5.30 GHz). The AMD FX-6120 has 6 CPU cores with a clock frequency of 3.50 GHz (4.10 GHz). |
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| Intel Core i9-11900KB | Characteristic | AMD FX-6120 |
| 8 | Cores | 6 |
| 16 | Threads | 6 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| Yes | Overclocking ? | Yes |
| 3.30 GHz | Frequency | 3.50 GHz |
| 5.30 GHz | Turbo Frequency (1 Core) | 4.10 GHz |
| 4.90 GHz | Turbo Frequency (All Cores) | 4.10 GHz |
Integrated graphics (iGPU)The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs. |
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| Intel UHD Graphics 11th Gen (32 EU) | GPU | no iGPU |
| 0.35 GHz | GPU frequency | -- |
| 1.45 GHz | GPU (Turbo) | -- |
| 11 | GPU Generation | -- |
| 10 nm | Technology | |
| 3 | Max. displays | |
| 32 | Compute units | -- |
| 256 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 64 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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| Intel UHD Graphics 11th Gen (32 EU) | 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 & PCIeThe Intel Core i9-11900KB supports a maximum of 128 GB of memory in 2 memory channels. The AMD FX-6120 can connect up to GB of memory in 2 memory channels. |
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| Intel Core i9-11900KB | Characteristic | AMD FX-6120 |
| DDR4-3200 | Memory | DDR3-1866 |
| 128 GB | Max. Memory | |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 51.2 GB/s | Max. Bandwidth | 29.9 GB/s |
| No | ECC | Yes |
| 4.00 MB | L2 Cache | -- |
| 20.00 MB | L3 Cache | 8.00 MB |
| 3.0 | PCIe version | -- |
| 16 | PCIe lanes | -- |
| 15.8 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i9-11900KB has a TDP of 65 W, that of the AMD FX-6120 is 95 W. |
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| Intel Core i9-11900KB | Characteristic | AMD FX-6120 |
| 65 W | TDP (PL1 / PBP) | 95 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| 55 W | TDP down | -- |
| 100 °C | Tjunction max. | -- |
Technical detailsThe Intel Core i9-11900KB has a 24.00 MB cache, while the AMD FX-6120 cache has a total of 8.00 MB. |
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| Intel Core i9-11900KB | Characteristic | AMD FX-6120 |
| 10 nm | Technology | 32 nm |
| Monolithic | Chip design | Unknown |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | SSE4.1, SSE4.2, AVX |
| BGA 1787 | Socket | AM3+ |
| VT-x, VT-x EPT, VT-d | Virtualization | AMD-V |
| Yes | AES-NI | Yes |
| Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
| Q2/2021 | Release date | Q2/2012 |
| 583 $ | Release price | -- |
| show more data | show more data | |
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8C 16T @ 3.30 GHz (5.30 GHz) buy now on Amazon and save!
6C 6T @ 3.50 GHz (4.10 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks
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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Intel Core i9-11900KB
8C 16T @ 5.30 GHz |
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AMD FX-6120
6C 6T @ 4.10 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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Intel Core i9-11900KB
8C 16T @ 4.90 GHz |
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AMD FX-6120
6C 6T @ 4.10 GHz |
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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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Intel Core i9-11900KB
8C 16T @ 5.30 GHz |
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AMD FX-6120
6C 6T @ 4.10 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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Intel Core i9-11900KB
8C 16T @ 4.90 GHz |
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AMD FX-6120
6C 6T @ 4.10 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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Intel Core i9-11900KB
8C 16T @ 4.90 GHz |
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AMD FX-6120
6C 6T @ 4.10 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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Intel Core i9-11900KB
8C 16T @ 5.30 GHz |
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AMD FX-6120
6C 6T @ 4.10 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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Intel Core i9-11900KB
8C 16T @ 4.90 GHz |
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AMD FX-6120
6C 6T @ 4.10 GHz |
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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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Intel Core i9-11900KB
8C 16T @ 5.30 GHz |
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AMD FX-6120
6C 6T @ 4.10 GHz |
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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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Intel Core i9-11900KB
8C 16T @ 4.90 GHz |
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AMD FX-6120
6C 6T @ 4.10 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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Intel Core i9-11900KB
Intel UHD Graphics 11th Gen (32 EU) @ 1.45 GHz |
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AMD FX-6120
@ 0.00 GHz |
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Blender 2.81 (bmw27)
Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
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Intel Core i9-11900KB
8C 16T @ 4.90 GHz |
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AMD FX-6120
6C 6T @ 4.10 GHz |
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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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Intel Core i9-11900KB
8C 16T @ 5.30 GHz |
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AMD FX-6120
6C 6T @ 4.10 GHz |
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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.
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Intel Core i9-11900KB
8C 16T @ 4.90 GHz |
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AMD FX-6120
6C 6T @ 4.10 GHz |
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Devices using this processor |
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| Intel Core i9-11900KB | AMD FX-6120 |
| Unknown | Unknown |
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