i5-11600K vs Ryzen 9 5900HX

VS

Aggregate performance score

Ryzen 9 5900HX
2021
8 cores / 16 threads, 45 Watt
14.16
+14.9%
Core i5-11600K
2021
6 cores / 12 threads, 125 Watt
12.32

Ryzen 9 5900HX outperforms Core i5-11600K by a moderate 15% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 5900HX and Core i5-11600K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking515630
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesAMD Cezanne (Zen 3, Ryzen 5000)no data
Power efficiency29.789.33
Architecture codenameCezanne-H (Zen 3) (2021)Rocket Lake (2021)
Release date12 January 2021 (3 years ago)16 March 2021 (3 years ago)

Detailed specifications

Ryzen 9 5900HX and Core i5-11600K basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores8 (Octa-Core)6 (Hexa-Core)
Threads1612
Base clock speed3.3 GHz3.9 GHz
Boost clock speed4.6 GHz4.9 GHz
Bus rateno data8 GT/s
Multiplier33no data
L1 cache512 KB64K (per core)
L2 cache4 MB256K (per core)
L3 cache16 MB (shared)12 MB (shared)
Chip lithography7 nm14 nm
Die size156 mm2no data
Maximum core temperature105 °C100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors9,800 millionno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Ryzen 9 5900HX and Core i5-11600K compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFP6FCLGA1200
Power consumption (TDP)45 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 5900HX and Core i5-11600K. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHAIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
FMA-+
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
SIPP-+
Turbo Boost Max 3.0no data-
Deep Learning Boost-+

Security technologies

Ryzen 9 5900HX and Core i5-11600K technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
Identity Protection-+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 5900HX and Core i5-11600K are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5900HX and Core i5-11600K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data50 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon RX Vega 8 (Ryzen 4000/5000) ( - 2100 MHz)Intel UHD Graphics 750
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.3 GHz
Execution Unitsno data32
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Ryzen 9 5900HX and Core i5-11600K integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Ryzen 9 5900HX and Core i5-11600K integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2160@60Hz
Max resolution over eDPno data5120 x 3200 @60Hz
Max resolution over DisplayPortno data5120 x 3200 @60Hz

Graphics API support

APIs supported by Ryzen 9 5900HX and Core i5-11600K integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 5900HX and Core i5-11600K.

PCIe version3.04.0
PCI Express lanesno data20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Ryzen 9 5900HX 14.16
+14.9%
i5-11600K 12.32

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Ryzen 9 5900HX 22498
+14.9%
i5-11600K 19575

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Ryzen 9 5900HX 1846
i5-11600K 2221
+20.3%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Ryzen 9 5900HX 7605
i5-11600K 8613
+13.3%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Ryzen 9 5900HX 6409
i5-11600K 9745
+52.1%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Ryzen 9 5900HX 40114
i5-11600K 49408
+23.2%

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Ryzen 9 5900HX 14254
i5-11600K 14519
+1.9%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Ryzen 9 5900HX 3.46
+42.2%
i5-11600K 4.92

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Ryzen 9 5900HX 25
+27.9%
i5-11600K 19

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Ryzen 9 5900HX 2106
+20.8%
i5-11600K 1744

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Ryzen 9 5900HX 240
+0.8%
i5-11600K 238

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Ryzen 9 5900HX 2.84
i5-11600K 2.87
+1.1%

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Ryzen 9 5900HX 11.1
+14.4%
i5-11600K 9.7

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

Ryzen 9 5900HX 7061
i5-11600K 7850
+11.2%

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

Ryzen 9 5900HX 120
+19.3%
i5-11600K 101

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

Ryzen 9 5900HX 275
i5-11600K 289
+5%

Geekbench 5.5 Multi-Core

Ryzen 9 5900HX 8462
+0.4%
i5-11600K 8430

Blender(-)

Ryzen 9 5900HX 243
i5-11600K 267
+10%

Geekbench 5.5 Single-Core

Ryzen 9 5900HX 1539
i5-11600K 1723
+12%

7-Zip Single

Ryzen 9 5900HX 5750
i5-11600K 6062
+5.4%

7-Zip

Ryzen 9 5900HX 58664
+30.4%
i5-11600K 44971

WebXPRT 3

Ryzen 9 5900HX 279
+2.8%
i5-11600K 272

CrossMark Overall

Ryzen 9 5900HX 1458
i5-11600K 1652
+13.3%

Gaming performance

Pros & cons summary


Performance score 14.16 12.32
Integrated graphics card 9.05 4.50
Recency 12 January 2021 16 March 2021
Physical cores 8 6
Threads 16 12
Chip lithography 7 nm 14 nm
Power consumption (TDP) 45 Watt 125 Watt

Ryzen 9 5900HX has a 14.9% higher aggregate performance score, 101.1% faster integrated GPU, 33.3% more physical cores and 33.3% more threads, a 100% more advanced lithography process, and 177.8% lower power consumption.

i5-11600K, on the other hand, has an age advantage of 2 months.

The Ryzen 9 5900HX is our recommended choice as it beats the Core i5-11600K in performance tests.

Be aware that Ryzen 9 5900HX is a notebook processor while Core i5-11600K is a desktop one.


Should you still have questions on choice between Ryzen 9 5900HX and Core i5-11600K, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 5900HX
Ryzen 9 5900HX
Intel Core i5-11600K
Core i5-11600K

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