AMD Ryzen 9 5950X vs. Intel Core i9-11900K

CPU comparison with benchmarks


AMD Ryzen 9 5950X CPU1 vs CPU2 Intel Core i9-11900K
AMD Ryzen 9 5950X Intel Core i9-11900K
AMD Ryzen Family Intel Core i9
AMD Ryzen 5000 CPU group Intel Core i 11000
4 Generation 11
Vermeer (Zen 3) Architecture Rocket Lake S
Desktop / Server Segment Desktop / Server
AMD Ryzen 9 3950X Predecessor Intel Core i9-10900K
-- Successor Intel Core i9-12900K

CPU Cores and Base FrequencyCPU Cores and Base Frequency

16 Cores 8
32 Threads 16
3.40 GHz Frequency 3.50 GHz
4.90 GHz Turbo (1 Core) 5.30 GHz
4.20 GHz Turbo (All Cores) 4.80 GHz
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? Yes

Internal GraphicsInternal Graphics

no iGPU GPU Intel UHD Graphics 750
GPU frequency 0.35 GHz
GPU (Turbo) 1.30 GHz
GPU Generation 12
Technology 14 nm
Max. displays 3
Execution units 32
Shader 256
Max. GPU Memory
DirectX Version 12

Hardware codec supportHardware codec support

No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode
No Codec AV1 Decode
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIeMemory & PCIe

DDR4-3200 Memory DDR4-3200
128 GB Max. Memory 128 GB
2 Memory channels 2
Yes ECC No
8.00 MB L2 Cache 4.00 MB
64.00 MB L3 Cache 16.00 MB
4.0 PCIe version 4.0
20 PCIe lanes 20

Thermal ManagementThermal Management

105 W TDP (PL1) 125 W
142 W TDP (PL2) 251 W @ 56 s
-- TDP up --
-- TDP down 95 W
95 °C Tjunction max. 100 °C

Technical detailsTechnical details

7 nm Technology 14 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
AM4 Socket LGA 1200
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Q4/2020 Release date Q1/2021
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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 5950X AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT
1639 (97%)
Amazon
Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
1686 (100%)
Amazon
Show all Cinebench R23 (Single-Core) results



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 5950X AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT
28641 (100%)
Amazon
Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
16211 (57%)
Amazon
Show all Cinebench R23 (Multi-Core) results



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 5950X AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT
647 (100%)
Amazon
Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
650 (100%)
Amazon
Show all Cinebench R20 (Single-Core) results



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 5950X AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT
10428 (100%)
Amazon
Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
6187 (59%)
Amazon
Show all Cinebench R20 (Multi-Core) results



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 5950X AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT
277 (100%)
Amazon
Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
262 (95%)
Amazon
Show all Cinebench R15 (Single-Core) results



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 5950X AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT
4569 (100%)
Amazon
Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
2515 (55%)
Amazon
Show all Cinebench R15 (Multi-Core) results



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 5950X AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT
1657 (88%)
Amazon
Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
1878 (100%)
Amazon
Show all Geekbench 5, 64bit (Single-Core) results



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 5950X AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT
16942 (100%)
Amazon
Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
11645 (69%)
Amazon
Show all Geekbench 5, 64bit (Multi-Core) results



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. Tested with XMRig v6.x under the operation system HiveOS.

AMD Ryzen 9 5950X AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT
20.5 (100%)
Amazon
Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
7.25 (35%)
Amazon
Show all Monero Hashrate kH/s results



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.

AMD Ryzen 9 5950X AMD Ryzen 9 5950X
--
0 (0%)
Amazon
Intel Core i9-11900K Intel Core i9-11900K
Intel UHD Graphics 750 @ 1.30 GHz
666 (100%)
Amazon
Show all iGPU - FP32 Performance (Single-precision GFLOPS) results



Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’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 5950X AMD Ryzen 9 5950X
16x 3.40 GHz (4.90 GHz) HT
46021 (100%)
Amazon
Intel Core i9-11900K Intel Core i9-11900K
8x 3.50 GHz (5.30 GHz) HT
28465 (62%)
Amazon
Show all Estimated results for PassMark CPU Mark results



Devices using this processorDevices using this processor

AMD Ryzen 9 5950X Intel Core i9-11900K
Unknown Unknown
AMD Ryzen 9 5950X has 16 CPU cores and can process up to 32 threads in parallel using simultaneous multi-threading. The desktop processor is AMD's largest expansion stage for the mainstream socket AM4. The clock frequency is 3.4 GHz, but the AMD Ryzen 9 5950X can increase the clock frequency up to 4.2 GHz (utilization of all CPU cores) or even 4.9 GHz in single-core operation.

The Intel Core i9-11900K clocks its 8 CPU cores with 3.5 GHz in the base, but can also adjust its clock frequency dynamically. In turbo mode, 4.8 GHz are possible when all cores are loaded or even a very high 5.3 GHz when only one CPU core is loaded. The i9 also benefits from Hyper-Threading and can therefore process 16 threads in parallel.

Both processors have a free multiplier and can therefore be overclocked. The AMD Ryzen 9 5950X also has a 64 MB level 3 cache, while Intel has given the Intel Core i9-11900K only 16 MB. The maximum amount of RAM on both systems is 128 GB, with both processors being approved for DDR4-3200. With overclocking, significantly higher clock frequencies of the main memory are possible on both systems, DDR4-3600 is actually always achievable.

Despite its 16 cores, the AMD Ryzen 9 5950X has a lower TDP of 105 watts than Intel's Core i9-11900K, which is specified as 125 watts. This is mainly due to the significantly better energy efficiency of the AMD processor. Its "Zen 3" CPU cores are already being produced in a modern 7 nm process, while Intel is still using a (greatly improved) 14 nm production process. The "Rocket Lake" processors, to which the Intel Core i9-11900K belongs, were originally supposed to be manufactured in 10 nm. Due to delivery bottlenecks, Intel had to port this architecture to 14 nm via backport.

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