Ryzen 9 7945HX vs i5-11600K

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Aggregate performance score

Core i5-11600K
2021
6 cores / 12 threads, 125 Watt
12.32
Ryzen 9 7945HX
2023
16 cores / 32 threads, 55 Watt
34.42
+179%

Ryzen 9 7945HX outperforms Core i5-11600K by a whopping 179% based on our aggregate benchmark results.

Primary details

Comparing Core i5-11600K and Ryzen 9 7945HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking630111
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Power efficiency9.3359.23
Architecture codenameRocket Lake (2021)Dragon Range-HX (Zen 4) (2023−2024)
Release date16 March 2021 (3 years ago)4 January 2023 (1 year ago)

Detailed specifications

Core i5-11600K and Ryzen 9 7945HX 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 cores6 (Hexa-Core)16 (Hexadeca-Core)
Threads1232
Base clock speed3.9 GHz2.5 GHz
Boost clock speed4.9 GHz5.4 GHz
Bus rate8 GT/sno data
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)1 MB (per core)
L3 cache12 MB (shared)64 MB (shared)
Chip lithography14 nmCCD = 5 nm, I/O = 6 nm
Die sizeno data2x 71 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data13,140 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Core i5-11600K and Ryzen 9 7945HX 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
SocketFCLGA1200FL1
Power consumption (TDP)125 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-11600K and Ryzen 9 7945HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI++
FMA++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Idle States+no data
Thermal Monitoring+-
SIPP+-
Turbo Boost Max 3.0-no data
Precision Boost 2no data+
Deep Learning Boost+-

Security technologies

Core i5-11600K and Ryzen 9 7945HX technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Key+no data
Identity Protection+-
SGX-no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-11600K and Ryzen 9 7945HX are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-11600K and Ryzen 9 7945HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth50 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 750AMD Radeon 610M (400 - 2200 MHz)
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.3 GHzno data
Execution Units32no data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-11600K and Ryzen 9 7945HX integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i5-11600K and Ryzen 9 7945HX integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2160@60Hzno data
Max resolution over eDP5120 x 3200 @60Hzno data
Max resolution over DisplayPort5120 x 3200 @60Hzno data

Graphics API support

APIs supported by Core i5-11600K and Ryzen 9 7945HX integrated GPUs, sometimes API versions are included.

DirectX12.1no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-11600K and Ryzen 9 7945HX.

PCIe version4.05.0
PCI Express lanes2028

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.

i5-11600K 12.32
Ryzen 9 7945HX 34.42
+179%

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.

i5-11600K 19575
Ryzen 9 7945HX 54668
+179%

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.

i5-11600K 2221
Ryzen 9 7945HX 2736
+23.2%

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.

i5-11600K 8613
Ryzen 9 7945HX 15895
+84.5%

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.

i5-11600K 9745
+15.2%
Ryzen 9 7945HX 8462

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.

i5-11600K 49408
Ryzen 9 7945HX 71611
+44.9%

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.

i5-11600K 14519
Ryzen 9 7945HX 19820
+36.5%

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.

i5-11600K 4.92
Ryzen 9 7945HX 1.99
+147%

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.

i5-11600K 19
Ryzen 9 7945HX 62
+219%

Cinebench 15 64-bit multi-core

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

i5-11600K 1744
Ryzen 9 7945HX 5521
+217%

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.

i5-11600K 238
Ryzen 9 7945HX 308
+29.4%

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.

i5-11600K 2.87
Ryzen 9 7945HX 3.65
+27.2%

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.

i5-11600K 9.7
Ryzen 9 7945HX 27.7
+186%

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.

i5-11600K 7850
Ryzen 9 7945HX 14532
+85.1%

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.  

i5-11600K 101
Ryzen 9 7945HX 236
+134%

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.  

i5-11600K 289
Ryzen 9 7945HX 369
+27.6%

Geekbench 5.5 Multi-Core

i5-11600K 8430
Ryzen 9 7945HX 19802
+135%

Blender(-)

i5-11600K 267
+184%
Ryzen 9 7945HX 94

Geekbench 5.5 Single-Core

i5-11600K 1723
Ryzen 9 7945HX 2124
+23.3%

7-Zip Single

i5-11600K 6062
Ryzen 9 7945HX 7381
+21.8%

7-Zip

i5-11600K 44971
Ryzen 9 7945HX 140471
+212%

WebXPRT 3

i5-11600K 272
Ryzen 9 7945HX 351
+29.3%

CrossMark Overall

i5-11600K 1652
Ryzen 9 7945HX 2058
+24.5%

Gaming performance

Pros & cons summary


Performance score 12.32 34.42
Integrated graphics card 4.50 2.85
Recency 16 March 2021 4 January 2023
Physical cores 6 16
Threads 12 32
Power consumption (TDP) 125 Watt 55 Watt

i5-11600K has 57.9% faster integrated GPU.

Ryzen 9 7945HX, on the other hand, has a 179.4% higher aggregate performance score, an age advantage of 1 year, 166.7% more physical cores and 166.7% more threads, and 127.3% lower power consumption.

The Ryzen 9 7945HX is our recommended choice as it beats the Core i5-11600K in performance tests.

Note that Core i5-11600K is a desktop processor while Ryzen 9 7945HX is a notebook one.


Should you still have questions on choice between Core i5-11600K and Ryzen 9 7945HX, ask them in Comments section, and we shall answer.

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Intel Core i5-11600K
Core i5-11600K
AMD Ryzen 9 7945HX
Ryzen 9 7945HX

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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Questions & comments

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