Differences
 
                        Top features of Intel Core i9-11900K
- 
                            Higher clock speed3.50 GHz 2.40 GHz
                            Around -46% better clock speed 2.40 GHz
                            Around -46% better clock speed
- 
                            Higher turbo clock speed5.30 GHz 3.30 GHz
                            Around 38% better overclocked clock speed 3.30 GHz
                            Around 38% better overclocked clock speed
- 
                            Performance per watt125 W 200 W
                            About 1.6 0.97 times less performance per watt 200 W
                            About 1.6 0.97 times less performance per watt
 
                        Top features of AMD Epyc 7532
- 
                            More number of cores32 8
                            4 times more cores 8
                            4 times more cores
Specifications
Complete list of technical specificationsCPU generation and family
Let's find out which one of Intel Core i9-11900K and AMD Epyc 7532 is of a more recent generation, and what segment it belongs to.
| Specification | Value | 
|---|---|
| Name | Intel Core i9-11900K  AMD Epyc 7532 | 
| Segment | Desktop / Server  Desktop / Server | 
| Family | Intel Core i9  AMD Epyc | 
| Generation | 11  2 | 
| CPU group | Intel Core i 11000  AMD Epyc 7002 | 
| Predecessor | Intel Core i9-10900K  -- | 
| Successor | Intel Core i9-12900K  -- | 
CPU Cores and Base Frequency
In this block we are going to compare Intel Core i9-11900K vs AMD Epyc 7532 by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.
| Specification | Value | 
|---|---|
| Frequency | 3.50 GHz  2.40 GHz | 
| CPU Cores | 8  32 | 
| Turbo (1 Core) | 5.30 GHz  3.30 GHz | 
| CPU Threads | 16  64 | 
| Hyperthreading | Yes  Yes | 
| Overclocking | Yes  No | 
| Core architecture | normal  normal | 
Internal Graphics
Common specifications for integrated graphics cards in Intel Core i9-11900K and AMD Epyc 7532 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.
| Specification | Value | 
|---|---|
| GPU name | Intel UHD Graphics 750  no iGPU | 
| GPU frequency | 0.35 GHz   | 
| GPU (Turbo) | 1.30 GHz  No turbo | 
| Execution units | 32   | 
| Shader | 256   | 
| Max. displays | 3   | 
| Generation | 12   | 
| DirectX Version | 12   | 
| Technology | 14 nm   | 
| Release date | Q1/2021   | 
Hardware codec support
Let's compare the support of video codecs between Intel Core i9-11900K and AMD Epyc 7532. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.
| Specification | Value | 
|---|---|
| h265 / HEVC (8 bit) | Decode / Encode  No | 
| h265 / HEVC (10 bit) | Decode / Encode  No | 
| h264 | Decode / Encode  No | 
| VP9 | Decode / Encode  No | 
| VP8 | Decode  No | 
| AV1 | Decode  No | 
| AVC | Decode / Encode  No | 
| VC-1 | Decode  No | 
| JPEG | Decode / Encode  No | 
Memory & PCIe
To choose the best model between Intel Core i9-11900K and AMD Epyc 7532 you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.
| Specification | Value | 
|---|---|
| Memory type | DDR4-3200  DDR4-3200 | 
| Max. Memory | 128 GB   | 
| ECC | No  Yes | 
| Memory channels | 2  8 | 
| PCIe version | 4.0  4.0 | 
| PCIe lanes | 20  128 | 
Encryption
AES-NI encryption support for CPUs Intel Core i9-11900K and AMD Epyc 7532.
| Specification | Value | 
|---|---|
| AES-NI | Yes  Yes | 
Thermal Management
Let's find out what TDP value would be better for Intel Core i9-11900K or AMD Epyc 7532? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.
| Specification | Value | 
|---|---|
| TDP (PL1) | 125 W  200 W | 
| TDP (PL2) | 251 W / 56 s  -- | 
| TDP down | 95 W  -- | 
| Tjunction max. | 100 °C  -- | 
Technical details
Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Core i9-11900K and AMD Epyc 7532 CPUs along with a list of ISA extensions.
| Specification | Value | 
|---|---|
| Instruction set (ISA) | x86-64 (64 bit)  x86-64 (64 bit) | 
| Virtualization | VT-x, VT-x EPT, VT-d  AMD-V, SVM | 
| ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | 
| L2-Cache | 4.00 MB  -- | 
| L3-Cache | 16.00 MB  256.00 MB | 
| Architecture | Rocket Lake S  Rome (Zen 2) | 
| Technology | 14 nm  7 nm | 
| Socket | LGA 1200  SP3 | 
| Release date | Q1/2021  Q1/2020 | 
Devices using this processor
List of devices based on Intel Core i9-11900K and AMD Epyc 7532.
| Specification | Value | 
|---|---|
| Used in | Unknown  Unknown | 

 
                                                     
                         
                         
                         
                         
                         
                         
                         
                         
                         
                         
                        