AMD Ryzen 9 3900XT vs Intel Core i9-9900K

AMD Ryzen 9 3900XT

The AMD Ryzen 9 3900XT operates with 12 cores and 24 CPU threads. It run at 4.70 GHz base 4.60 GHz all cores while the TDP is set at 105 W.The processor is attached to the AM4 CPU socket. This version includes 64.00 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, Matisse (Zen 2) Architecture is enhanced with 7 nm technology and supports AMD-V, SVM. The product was launched on Q2/2020

AMD Ryzen 9 3900XT

The Intel Core i9-9900K operates with 8 cores and 24 CPU threads. It run at 5.00 GHz base 4.70 GHz all cores while the TDP is set at 95 W.The processor is attached to the LGA 1151-2 CPU socket. This version includes 16.00 MB of L3 cache on one chip, supports 2 memory channels to support DDR4-2666 RAM and features 3.0 PCIe Gen 16 lanes. Tjunction keeps below 100 °C degrees C. In particular, Coffee Lake S Refresh Architecture is enhanced with 14 nm technology and supports VT-x, VT-x EPT, VT-d. The product was launched on Q4/2018


Compare Detail

4.10 GHz Frequency 3.60 GHz
12 Cores 8
4.70 GHz Turbo (1 Core) 5.00 GHz
4.60 GHz Turbo (All Cores) 4.70 GHz
check Yes Hyperthreading Yes check
check Yes Overclocking Yes check
normal Core Architecture normal
no iGPU GPU Intel UHD Graphics 630
No turbo GPU (Turbo) 1.20 GHz
7 nm Technology 14 nm
No turbo GPU (Turbo) 1.20 GHz
DirectX Version 12
Max. displays 3
DDR4-3200 Memory DDR4-2666
2 Memory channels 2
Max memory
check Yes ECC No uncheck
-- L2 Cache --
64.00 MB L3 Cache 16.00 MB
4.0 PCIe version 3.0
20 PCIe lanes 16
7 nm Technology 14 nm
AM4 Socket LGA 1151-2
105 W TDP 95 W
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Q2/2020 Release date Q4/2018

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.

AMD Ryzen 9 3900XT 1,364 (81%)
81% Complete
Intel Core i9-9900K 1,293 (77%)
77% 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.

AMD Ryzen 9 3900XT 18,515 (25%)
25% Complete
Intel Core i9-9900K 12,453 (17%)
17% 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.

AMD Ryzen 9 3900XT 547 (66%)
66% Complete
63% 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.

AMD Ryzen 9 3900XT 7,248 (29%)
29% Complete
Intel Core i9-9900K 4,999 (20%)
20% 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.

AMD Ryzen 9 3900XT 228 (79%)
79% Complete
79% 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.

AMD Ryzen 9 3900XT 3,197 (30%)
30% Complete
Intel Core i9-9900K 2,249 (21%)
21% 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.

AMD Ryzen 9 3900XT 1,423 (75%)
75% Complete
Intel Core i9-9900K 1,351 (71%)
71% 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.

AMD Ryzen 9 3900XT 12,979 (34%)
34% Complete
Intel Core i9-9900K 8,783 (23%)
23% 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.

0% Complete
9% Complete

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.

0% Complete
Intel Core i9-9900K 163.81 (8%)
8% Complete

Geekbench 3, 64bit (Single-Core)

Geekbench 3 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.

0% Complete
Intel Core i9-9900K 6,261 (90%)
90% Complete

Geekbench 3, 64bit (Multi-Core)

Geekbench 3 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.

0% Complete
Intel Core i9-9900K 35,774 (38%)
38% Complete

Cinebench R11.5, 64bit (Single-Core)

Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

0% Complete
Intel Core i9-9900K 2.74 (100%)
100% Complete

Cinebench R11.5, 64bit (Multi-Core)

Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

0% Complete
Intel Core i9-9900K 21.25 (38%)
38% Complete

Cinebench R11.5, 64bit (iGPU, OpenGL)

Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular to generate forms and other stuff in 3D. The iGPU test uses the CPU internal graphic unit to execute OpenGL commands.

0% Complete
Intel Core i9-9900K 45.49 (74%)
74% 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.

AMD Ryzen 9 3900XT 33,027 (37%)
37% Complete
Intel Core i9-9900K 20,196 (23%)
23% 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

15% Complete
6% Complete
Electric Usage Estimate

Electric Usage Estimate

Electric Usage Estimate

Electric Usage Estimate

AMD Ryzen 9 3900XT Intel Core i9-9900K
105 W Max TDP 95 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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