Intel Core i9-11900K | Intel Xeon Gold 6421N | |
CPU comparisonIn this CPU comparison, we compare the Intel Core i9-11900K and the Intel Xeon Gold 6421N and use benchmarks to check which processor is faster.
We compare the Intel Core i9-11900K 8 core processor released in Q1/2021 with the Intel Xeon Gold 6421N which has 32 CPU cores and was introduced in Q1/2023. |
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Intel Core i9 (78) | Family | Intel Xeon Gold (163) |
Intel Core i 11000 (22) | CPU group | Intel Xeon Gold 5400/6400 (25) |
11 | Generation | 4 |
Rocket Lake S | Architecture | Sapphire Rapids |
Desktop / Server | Segment | Desktop / Server |
Intel Core i9-10900K | Predecessor | -- |
Intel Core i9-12900K | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i9-11900K is a 8 core processor with a clock frequency of 3.50 GHz (5.30 GHz). The processor can compute 16 threads at the same time. The Intel Xeon Gold 6421N clocks with 1.80 GHz (3.60 GHz), has 32 CPU cores and can calculate 64 threads in parallel. |
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Intel Core i9-11900K | Characteristic | Intel Xeon Gold 6421N |
8 | Cores | 32 |
16 | Threads | 64 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | No |
3.50 GHz | Frequency | 1.80 GHz |
5.30 GHz | Turbo Frequency (1 Core) | 3.60 GHz |
4.80 GHz | Turbo Frequency (All Cores) | -- |
Internal GraphicsGraphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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Intel UHD Graphics 750 | GPU | no iGPU |
0.35 GHz | GPU frequency | -- |
1.30 GHz | GPU (Turbo) | -- |
12 | GPU Generation | -- |
14 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 750 | 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 | Codec VP8 | No |
Decode | Codec AV1 | No |
Decode / Encode | Codec AVC | No |
Decode | Codec VC-1 | No |
Decode / Encode | Codec JPEG | No |
Memory & PCIeUp to 128 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i9-11900K, while the Intel Xeon Gold 6421N supports a maximum of 4096 GB of memory with a maximum memory bandwidth of 281.6 GB/s enabled. |
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Intel Core i9-11900K | Characteristic | Intel Xeon Gold 6421N |
DDR4-3200 | Memory | DDR5-4400 |
128 GB | Max. Memory | 4096 GB |
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
51.2 GB/s | Max. Bandwidth | 281.6 GB/s |
No | ECC | Yes |
4.00 MB | L2 Cache | -- |
16.00 MB | L3 Cache | 60.00 MB |
4.0 | PCIe version | 5.0 |
20 | PCIe lanes | 80 |
39.4 GB/s | PCIe Bandwidth | 315.0 GB/s |
Thermal ManagementThe Intel Core i9-11900K has a TDP of 125 W. The TDP of the Intel Xeon Gold 6421N is 185 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Core i9-11900K | Characteristic | Intel Xeon Gold 6421N |
125 W | TDP (PL1 / PBP) | 185 W |
251 W @ 56 s | TDP (PL2) | -- |
-- | TDP up | -- |
95 W | TDP down | -- |
100 °C | Tjunction max. | -- |
Technical detailsThe Intel Core i9-11900K has 20.00 MB cache and is manufactured in 14 nm. The cache of Intel Xeon Gold 6421N is at 60.00 MB. The processor is manufactured in 10 nm. |
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Intel Core i9-11900K | Characteristic | Intel Xeon Gold 6421N |
14 nm | Technology | 10 nm |
Monolithic | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512 |
LGA 1200 | Socket | LGA 4677 |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows, Linux |
Q1/2021 | Release date | Q1/2023 |
539 $ | Release price | 2368 $ |
show more data | show more data | |
Intel Core i9-11900K
8C 16T @ 5.30 GHz |
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Intel Xeon Gold 6421N
32C 64T @ 3.60 GHz |
Intel Core i9-11900K
8C 16T @ 4.80 GHz |
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Intel Xeon Gold 6421N
32C 64T @ 1.80 GHz |
Intel Core i9-11900K
8C 16T @ 5.30 GHz |
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Intel Xeon Gold 6421N
32C 64T @ 3.60 GHz |
Intel Core i9-11900K
8C 16T @ 4.80 GHz |
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Intel Xeon Gold 6421N
32C 64T @ 1.80 GHz |
Intel Core i9-11900K
8C 16T @ 5.30 GHz |
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Intel Xeon Gold 6421N
32C 64T @ 3.60 GHz |
Intel Core i9-11900K
8C 16T @ 4.80 GHz |
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Intel Xeon Gold 6421N
32C 64T @ 1.80 GHz |
Intel Core i9-11900K
8C 16T @ 5.30 GHz |
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Intel Xeon Gold 6421N
32C 64T @ 3.60 GHz |
Intel Core i9-11900K
8C 16T @ 4.80 GHz |
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Intel Xeon Gold 6421N
32C 64T @ 1.80 GHz |
Intel Core i9-11900K
Intel UHD Graphics 750 @ 1.30 GHz |
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Intel Xeon Gold 6421N
@ 0.00 GHz |
Intel Core i9-11900K
8C 16T @ 4.80 GHz |
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Intel Xeon Gold 6421N
32C 64T @ 1.80 GHz |
Intel Core i9-11900K
8C 16T @ 4.80 GHz |
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Intel Xeon Gold 6421N
32C 64T @ 1.80 GHz |
Intel Core i9-11900K
8C 16T @ 4.80 GHz |
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Intel Xeon Gold 6421N
32C 64T @ 1.80 GHz |
Intel Core i9-11900K
8C 16T @ 3.50 GHz |
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Intel Xeon Gold 6421N
32C 64T @ 1.80 GHz |
Intel Core i9-11900K
8C 16T @ 5.30 GHz |
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Intel Xeon Gold 6421N
32C 64T @ 3.60 GHz |
Intel Core i9-11900K
8C 16T @ 4.80 GHz |
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Intel Xeon Gold 6421N
32C 64T @ 1.80 GHz |
Devices using this processor |
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Intel Core i9-11900K | Intel Xeon Gold 6421N |
Unknown | Unknown |