Intel Core i9-10900K vs AMD Ryzen 9 3950X

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CPU comparison with benchmarks


Intel Core i9-10900K CPU1 vs CPU2 AMD Ryzen 9 3950X
Intel Core i9-10900K AMD Ryzen 9 3950X

CPU comparison

Intel Core i9-10900K or AMD Ryzen 9 3950X - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core i9-10900K has 10 cores with 20 threads and clocks with a maximum frequency of 5.30 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i9-10900K was released in Q2/2020.

The AMD Ryzen 9 3950X has 16 cores with 32 threads and clocks with a maximum frequency of 4.70 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 9 3950X was released in Q3/2019.
Intel Core i9 (78) Family AMD Ryzen 9 (35)
Intel Core i 10000 (43) CPU group AMD Ryzen 3000 (15)
10 Generation 3
Comet Lake S Architecture Matisse (Zen 2)
Desktop / Server Segment Desktop / Server
Intel Core i9-9900K Predecessor --
Intel Core i9-11900K Successor AMD Ryzen 9 5950X

CPU Cores and Base Frequency

The Intel Core i9-10900K has 10 CPU cores and can calculate 20 threads in parallel. The clock frequency of the Intel Core i9-10900K is 3.70 GHz (5.30 GHz) while the AMD Ryzen 9 3950X has 16 CPU cores and 32 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 9 3950X is at 3.50 GHz (4.70 GHz).

Intel Core i9-10900K Characteristic AMD Ryzen 9 3950X
10 Cores 16
20 Threads 32
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? Yes
3.70 GHz Frequency 3.50 GHz
5.30 GHz Turbo Frequency (1 Core) 4.70 GHz
4.90 GHz Turbo Frequency (All Cores) 4.00 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i9-10900K Characteristic AMD Ryzen 9 3950X
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i9-10900K or AMD Ryzen 9 3950X has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

Intel UHD Graphics 630 GPU no iGPU
0.35 GHz GPU frequency --
1.20 GHz GPU (Turbo) --
9.5 GPU Generation --
14 nm Technology
3 Max. displays
24 Compute units --
192 Shader --
No Hardware Raytracing No
No Frame Generation No
64 GB Max. GPU Memory --
12 DirectX Version --

Hardware codec support

A 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.

Intel UHD Graphics 630 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 / Encode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The Intel Core i9-10900K can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 45.8 GB/s. The AMD Ryzen 9 3950X supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 51.2 GB/s.

Intel Core i9-10900K Characteristic AMD Ryzen 9 3950X
DDR4-2933 Memory DDR4-3200
128 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
45.8 GB/s Max. Bandwidth 51.2 GB/s
No ECC Yes
-- L2 Cache --
20.00 MB L3 Cache 64.00 MB
3.0 PCIe version 4.0
16 PCIe lanes 20
15.8 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core i9-10900K is 125 W, while the AMD Ryzen 9 3950X has a TDP of 105 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i9-10900K Characteristic AMD Ryzen 9 3950X
125 W TDP (PL1 / PBP) 105 W
-- TDP (PL2) 142 W
-- TDP up --
95 W TDP down --
100 °C Tjunction max. 95 °C

Technical details

The Intel Core i9-10900K is manufactured in 14 nm and has 20.00 MB cache. The AMD Ryzen 9 3950X is manufactured in 7 nm and has a 64.00 MB cache.

Intel Core i9-10900K Characteristic AMD Ryzen 9 3950X
14 nm Technology 7 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
LGA 1200 Socket AM4 (PGA 1331)
VT-x, VT-x EPT, VT-d Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q2/2020 Release date Q3/2019
490 $ Release price 650 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 7 CPU benchmarks
Intel Core i9-10900K (100%)
AMD Ryzen 9 3950X (93%)
⌀ Multi core performance in 10 CPU benchmarks
Intel Core i9-10900K (72%)
AMD Ryzen 9 3950X (97%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 5.30 GHz
80 (100%)
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16C 32T @ 4.70 GHz
74 (93%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 5.30 GHz
936 (71%)
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16C 32T @ 4.70 GHz
1325 (100%)

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 i9-10900K Intel Core i9-10900K
10C 20T @ 5.30 GHz
1382 (100%)
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16C 32T @ 4.70 GHz
1371 (99%)

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 i9-10900K Intel Core i9-10900K
10C 20T @ 4.90 GHz
15945 (66%)
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16C 32T @ 4.00 GHz
24050 (100%)

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 i9-10900K Intel Core i9-10900K
10C 20T @ 5.30 GHz
1417 (100%)
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16C 32T @ 4.70 GHz
1408 (99%)

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 i9-10900K Intel Core i9-10900K
10C 20T @ 4.90 GHz
11344 (79%)
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16C 32T @ 4.00 GHz
14322 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 5.30 GHz
1743 (100%)
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16C 32T @ 4.70 GHz
1697 (97%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 4.90 GHz
8990 (76%)
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16C 32T @ 4.00 GHz
11830 (100%)

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.
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 5.30 GHz
645 (100%)
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16C 32T @ 4.70 GHz
531 (82%)

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 i9-10900K Intel Core i9-10900K
10C 20T @ 4.90 GHz
6419 (70%)
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16C 32T @ 4.00 GHz
9148 (100%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 4.90 GHz
240 (63%)
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16C 32T @ 4.00 GHz
384 (100%)

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.
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 4.90 GHz
23706 (61%)
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16C 32T @ 4.00 GHz
39079 (100%)

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.
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 4.90 GHz
126 (100%)
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16C 32T @ 4.00 GHz
85.4 (68%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 4.90 GHz
580 (100%)
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16C 32T @ 4.00 GHz
523 (90%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 3.70 GHz
7347 (68%)
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16C 32T @ 3.50 GHz
10761 (100%)

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.
Intel Core i9-10900K Intel Core i9-10900K
10C 20T @ 5.30 GHz
232 (100%)
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16C 32T @ 4.70 GHz
217 (94%)

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 i9-10900K Intel Core i9-10900K
10C 20T @ 4.90 GHz
2668 (68%)
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
16C 32T @ 4.00 GHz
3897 (100%)

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.
Intel Core i9-10900K Intel Core i9-10900K
Intel UHD Graphics 630 @ 1.20 GHz
461 (100%)
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
@ 0.00 GHz
0 (0%)

Devices using this processor

Intel Core i9-10900K AMD Ryzen 9 3950X
Unknown Memory PC High End Gaming PC AMD Ryzen 9 3950X
Kiebel Gamer-PC Loki [184903]

News and articles for the Intel Core i9-10900K and the AMD Ryzen 9 3950X


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