Atom x7211RE vs i9-11900K
Primary details
Comparing Core i9-11900K and Atom x7211RE processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 419 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 18.11 | no data |
| Market segment | Desktop processor | Laptop |
| Power efficiency | 12.02 | no data |
| Architecture codename | Rocket Lake (2021) | Amston Lake (2024) |
| Release date | 16 March 2021 (3 years ago) | 8 April 2024 (less than a year ago) |
| Launch price (MSRP) | $539 | $42 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i9-11900K and Atom x7211RE basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 8 (Octa-Core) | 2 (Dual-core) |
| Threads | 16 | 2 |
| Base clock speed | 3.5 GHz | 1 GHz |
| Boost clock speed | 5.2 GHz | 3.2 GHz |
| Bus rate | 8 GT/s | no data |
| L1 cache | 80 KB (per core) | 96 KB (per core) |
| L2 cache | 512 KB (per core) | 2 MB (shared) |
| L3 cache | 16 MB (shared) | 6 MB (shared) |
| Chip lithography | 14 nm | 10 nm |
| Die size | 276 mm2 | no data |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i9-11900K and Atom x7211RE compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 |
| Socket | FCLGA1200 | Intel BGA 1264 |
| Power consumption (TDP) | 125 Watt | 6 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-11900K and Atom x7211RE. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| SIPP | + | - |
| Turbo Boost Max 3.0 | + | no data |
| Deep Learning Boost | + | - |
Security technologies
Core i9-11900K and Atom x7211RE technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Secure Key | + | no data |
| Identity Protection | + | - |
| SGX | - | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-11900K and Atom x7211RE are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-11900K and Atom x7211RE. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4, DDR5 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 50 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel UHD Graphics 750 | Intel UHD Graphics 16EU |
| Max video memory | 64 GB | no data |
| Quick Sync Video | + | - |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.3 GHz | no data |
| Execution Units | 32 | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i9-11900K and Atom x7211RE integrated GPUs.
| Number of displays supported | 3 | no data |
Graphics image quality
Maximum display resolutions supported by Core i9-11900K and Atom x7211RE integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096x2160@60Hz | no data |
| Max resolution over eDP | 5120 x 3200 @60Hz | no data |
| Max resolution over DisplayPort | 5120 x 3200 @60Hz | no data |
Graphics API support
APIs supported by Core i9-11900K and Atom x7211RE integrated GPUs, sometimes API versions are included.
| DirectX | 12.1 | no data |
| OpenGL | 4.5 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i9-11900K and Atom x7211RE.
| PCIe version | 4.0 | 3.0 |
| PCI Express lanes | 20 | 9 |
Pros & cons summary
| Recency | 16 March 2021 | 8 April 2024 |
| Physical cores | 8 | 2 |
| Threads | 16 | 2 |
| Chip lithography | 14 nm | 10 nm |
| Power consumption (TDP) | 125 Watt | 6 Watt |
i9-11900K has 300% more physical cores and 700% more threads.
Atom x7211RE, on the other hand, has an age advantage of 3 years, a 40% more advanced lithography process, and 1983.3% lower power consumption.
We couldn't decide between Core i9-11900K and Atom x7211RE. We've got no test results to judge.
Note that Core i9-11900K is a desktop processor while Atom x7211RE is a notebook one.
Should you still have questions on choice between Core i9-11900K and Atom x7211RE, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
