Intel Core i5-13600K vs AMD Ryzen 9 3900

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CPU comparison with benchmarks


Intel Core i5-13600K CPU1 vs CPU2 AMD Ryzen 9 3900
Intel Core i5-13600K AMD Ryzen 9 3900

CPU comparison

Intel Core i5-13600K or AMD Ryzen 9 3900 - 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 i5-13600K has 14 cores with 20 threads and clocks with a maximum frequency of 5.10 GHz. Up to 192 GB of memory is supported in 2 memory channels. The Intel Core i5-13600K was released in Q4/2022.

The AMD Ryzen 9 3900 has 12 cores with 24 threads and clocks with a maximum frequency of 4.30 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 9 3900 was released in Q3/2019.
Intel Core i5 (331) Family AMD Ryzen 9 (35)
Intel Core i 13000 (17) CPU group AMD Ryzen 3000 (15)
13 Generation 3
Raptor Lake S Architecture Matisse (Zen 2)
Desktop / Server Segment Desktop / Server
Intel Core i5-12600K Predecessor --
Intel Core i5-14600K Successor AMD Ryzen 9 5900

CPU Cores and Base Frequency

The Intel Core i5-13600K is a 14 core processor with a clock frequency of 3.50 GHz (5.10 GHz). The AMD Ryzen 9 3900 has 12 CPU cores with a clock frequency of 3.10 GHz (4.30 GHz).

Intel Core i5-13600K Characteristic AMD Ryzen 9 3900
14 Cores 12
20 Threads 24
hybrid (big.LITTLE) Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? Yes
3.50 GHz (5.10 GHz)
6x Raptor Cove
A-Core 3.10 GHz (4.30 GHz)
2.60 GHz (3.90 GHz)
8x Gracemont
B-Core --

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 i5-13600K Characteristic AMD Ryzen 9 3900
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

Intel UHD Graphics 770 GPU no iGPU
0.30 GHz GPU frequency --
1.50 GHz GPU (Turbo) --
11 GPU Generation --
10 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 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 770 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
Decode Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The Intel Core i5-13600K supports a maximum of 192 GB of memory in 2 memory channels. The AMD Ryzen 9 3900 can connect up to 128 GB of memory in 2 memory channels.

Intel Core i5-13600K Characteristic AMD Ryzen 9 3900
DDR5-5600, DDR4-3200 Memory DDR4-3200
192 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
89.6 GB/s Max. Bandwidth 51.2 GB/s
Yes ECC No
20.00 MB L2 Cache --
24.00 MB L3 Cache 64.00 MB
5.0 PCIe version 4.0
20 PCIe lanes 20
78.8 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i5-13600K has a TDP of 125 W, that of the AMD Ryzen 9 3900 is 65 W.

Intel Core i5-13600K Characteristic AMD Ryzen 9 3900
125 W TDP (PL1 / PBP) 65 W
181 W TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. 95 °C

Technical details

The Intel Core i5-13600K has a 44.00 MB cache, while the AMD Ryzen 9 3900 cache has a total of 64.00 MB.

Intel Core i5-13600K Characteristic AMD Ryzen 9 3900
10 nm Technology 7 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX2+ ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
LGA 1700 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
Q4/2022 Release date Q3/2019
319 $ Release price 485 $
show more data show more data


Rate these processors

Here you can rate the Intel Core i5-13600K to help other visitors make their purchasing decisions. The average rating is 4.3 stars (33 ratings). Rate now:
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Average performance in benchmarks

⌀ Single core performance in 6 CPU benchmarks
Intel Core i5-13600K (100%)
AMD Ryzen 9 3900 (64%)
⌀ Multi core performance in 8 CPU benchmarks
Intel Core i5-13600K (100%)
AMD Ryzen 9 3900 (72%)

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 i5-13600K Intel Core i5-13600K
14C 20T @ 5.10 GHz
116 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 4.30 GHz
75 (65%)

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 i5-13600K Intel Core i5-13600K
14C 20T @ 5.10 GHz
1282 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 4.30 GHz
947 (74%)

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 i5-13600K Intel Core i5-13600K
14C 20T @ 5.10 GHz
2021 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 4.30 GHz
1281 (63%)

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 i5-13600K Intel Core i5-13600K
14C 20T @ 5.10 GHz
24125 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
16555 (69%)

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 i5-13600K Intel Core i5-13600K
14C 20T @ 5.10 GHz
1955 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 4.30 GHz
1234 (63%)

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 i5-13600K Intel Core i5-13600K
14C 20T @ 5.10 GHz
16227 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
11432 (70%)

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 i5-13600K Intel Core i5-13600K
14C 20T @ 5.10 GHz
2639 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 4.30 GHz
1688 (64%)

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 i5-13600K Intel Core i5-13600K
14C 20T @ 5.10 GHz
16192 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
10260 (63%)

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 i5-13600K Intel Core i5-13600K
14C 20T @ 5.10 GHz
775 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 4.30 GHz
487 (63%)

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 i5-13600K Intel Core i5-13600K
14C 20T @ 5.10 GHz
9329 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
6443 (69%)

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 i5-13600K Intel Core i5-13600K
14C 20T @ 5.10 GHz
348 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
234 (67%)

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 i5-13600K Intel Core i5-13600K
14C 20T @ 5.10 GHz
38449 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
30688 (80%)

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 i5-13600K Intel Core i5-13600K
14C 20T @ 5.10 GHz
829 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
525 (63%)

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 i5-13600K Intel Core i5-13600K
14C 20T @ 3.50 GHz
9848 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
7875 (80%)

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 i5-13600K Intel Core i5-13600K
Intel UHD Graphics 770 @ 1.50 GHz
768 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
@ 0.00 GHz
0 (0%)

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 i5-13600K Intel Core i5-13600K
14C 20T @ 5.10 GHz
290 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 4.30 GHz
0 (0%)

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 i5-13600K Intel Core i5-13600K
14C 20T @ 5.10 GHz
3652 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
0 (0%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
Intel Core i5-13600K Intel Core i5-13600K
24,125 CB R23 MC @ 174 W
139 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
3.10 GHz
0 (0%)

Devices using this processor

Intel Core i5-13600K AMD Ryzen 9 3900
Unknown Unknown

News and articles for the Intel Core i5-13600K and the AMD Ryzen 9 3900


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