Intel Core i9-11900K vs AMD Ryzen 7 5800X

Intel Core i9-11900K

The Intel Core i9-11900K operates with 8 cores and 16 CPU threads. It run at 5.30 GHz base 4.80 GHz all cores while the TDP is set at 125 W.The processor is attached to the LGA 1200 CPU socket. This version includes 16.00 MB of L3 cache on one chip, supports 2 memory channels to support DDR4-3200 RAM and features 4.0 PCIe Gen 20 lanes. Tjunction keeps below 100 °C degrees C. In particular, Rocket Lake S Architecture is enhanced with 14 nm technology and supports VT-x, VT-x EPT, VT-d. The product was launched on Q1/2021

Intel Core i9-11900K

The AMD Ryzen 7 5800X operates with 8 cores and 16 CPU threads. It run at 4.70 GHz base 4.40 GHz all cores while the TDP is set at 105 W.The processor is attached to the AM4 CPU socket. This version includes 32.00 MB of L3 cache on one chip, supports 2 memory channels to support DDR4-3200 RAM and features 4.0 PCIe Gen 20 lanes. Tjunction keeps below 95 °C degrees C. In particular, Vermeer (Zen 3) Architecture is enhanced with 7 nm technology and supports AMD-V, SVM. The product was launched on Q4/2020


Compare Detail

3.50 GHz Frequency 3.80 GHz
8 Cores 8
5.30 GHz Turbo (1 Core) 4.70 GHz
4.80 GHz Turbo (All Cores) 4.40 GHz
check Yes Hyperthreading Yes check
check Yes Overclocking Yes check
normal Core Architecture normal
Intel UHD Graphics 750 GPU no iGPU
1.30 GHz GPU (Turbo) No turbo
14 nm Technology 7 nm
1.30 GHz GPU (Turbo) No turbo
12 DirectX Version
3 Max. displays
DDR4-3200 Memory DDR4-3200
2 Memory channels 2
Max memory
uncheck No ECC Yes check
4.00 MB L2 Cache 4.00 MB
16.00 MB L3 Cache 32.00 MB
4.0 PCIe version 4.0
20 PCIe lanes 20
14 nm Technology 7 nm
LGA 1200 Socket AM4
125 W TDP 105 W
VT-x, VT-x EPT, VT-d Virtualization AMD-V, SVM
Q1/2021 Release date Q4/2020

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.

Intel Core i9-11900K 1,676 (100%)
100% Complete
AMD Ryzen 7 5800X 1,605 (96%)
96% Complete

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.

Intel Core i9-11900K 16,215 (22%)
22% Complete
AMD Ryzen 7 5800X 15,249 (20%)
20% Complete

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.

90% Complete
AMD Ryzen 7 5800X 637 (77%)
77% Complete

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.

Intel Core i9-11900K 6,218 (25%)
25% Complete
AMD Ryzen 7 5800X 5,728 (23%)
23% Complete

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.

95% Complete
AMD Ryzen 7 5800X 281 (97%)
97% Complete

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.

Intel Core i9-11900K 2,579 (24%)
24% Complete
AMD Ryzen 7 5800X 2,615 (25%)
25% Complete

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.

Intel Core i9-11900K 1,891 (100%)
100% Complete
AMD Ryzen 7 5800X 1,642 (87%)
87% Complete

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.

Intel Core i9-11900K 11,650 (30%)
30% Complete
AMD Ryzen 7 5800X 11,082 (29%)
29% Complete

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.

13% Complete
0% Complete

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-Comparison. However the majority of CPUs have not been tested and the results have been estimated by a CPU-Comparison’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.

Intel Core i9-11900K 28,470 (32%)
32% Complete
AMD Ryzen 7 5800X 28,560 (32%)
32% Complete

Monero Hashrate kH/s

The crypto currency Monero has been using the RandomX algorithm since November 2019. This PoW (proof of work) algorithm can only efficiently be calculated using a processor (CPU) or a graphics card (GPU). The CryptoNight algorithm was used for Monero until November 2019, but it could be calculated using ASICs. RandomX benefits from a high number of CPU cores, cache and a fast connection of the memory via as many memory channels as possible

8% Complete
9% Complete
Electric Usage Estimate

Electric Usage Estimate

Electric Usage Estimate

Electric Usage Estimate

Intel Core i9-11900K AMD Ryzen 7 5800X
125 W Max TDP 105 W
NA Power consumption per day (kWh) NA
NA Running cost per day NA
NA Power consumption per year (kWh) NA
NA Running cost per year NA

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