i9-11900K vs Pentium Silver N6005

VS

Aggregate performance score

Pentium Silver N6005
2021
4 cores / 4 threads, 10 Watt
3.51
Core i9-11900K
2021
8 cores / 16 threads, 125 Watt
16.48
+370%

Core i9-11900K outperforms Pentium Silver N6005 by a whopping 370% based on our aggregate benchmark results.

Primary details

Comparing Pentium Silver N6005 and Core i9-11900K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1552417
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data18.34
Market segmentLaptopDesktop processor
Power efficiency32.0112.02
Architecture codenameJasper Lake (2021)Rocket Lake (2021)
Release date11 January 2021 (3 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)no data$539

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium Silver N6005 and Core i9-11900K 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 cores4 (Quad-Core)8 (Octa-Core)
Threads416
Base clock speed2 GHz3.5 GHz
Boost clock speed3.3 GHz5.2 GHz
Bus rateno data8 GT/s
L1 cacheno data80 KB (per core)
L2 cache1.5 MB512 KB (per core)
L3 cache4 MB16 MB (shared)
Chip lithography10 nm14 nm
Die sizeno data276 mm2
Maximum core temperature105 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Pentium Silver N6005 and Core i9-11900K 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
SocketFCBGA1338FCLGA1200
Power consumption (TDP)10 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Silver N6005 and Core i9-11900K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX-+
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shift+no data
Turbo Boost Technology-2.0
Hyper-Threading Technology-+
TSX-+
Idle States++
Thermal Monitoring++
SIPP-+
Smart Response-no data
GPIO+no data
Turbo Boost Max 3.0-+
Deep Learning Boost-+

Security technologies

Pentium Silver N6005 and Core i9-11900K technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDBno data+
Secure Keyno data+
Identity Protection++
SGX--
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium Silver N6005 and Core i9-11900K are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Silver N6005 and Core i9-11900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size16 GB128 GB
Max memory channels22
Maximum memory bandwidthno data50 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD GraphicsIntel UHD Graphics 750
Max video memoryno data64 GB
Quick Sync Video++
Clear Videono data+
Clear Video HDno data+
Graphics max frequency900 MHz1.3 GHz
Execution Units3232
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Pentium Silver N6005 and Core i9-11900K integrated GPUs.

Number of displays supported33
eDP+no data
DisplayPort+-
HDMI+-
MIPI-DSI+no data

Graphics image quality

Maximum display resolutions supported by Pentium Silver N6005 and Core i9-11900K integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096x2160@60Hz4096x2160@60Hz
Max resolution over eDP4096x2160@60Hz5120 x 3200 @60Hz
Max resolution over DisplayPort4096x2160@60Hz5120 x 3200 @60Hz

Graphics API support

APIs supported by Pentium Silver N6005 and Core i9-11900K integrated GPUs, sometimes API versions are included.

DirectX1212.1
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Pentium Silver N6005 and Core i9-11900K.

PCIe versionno data4.0
PCI Express lanes820
USB revision2.0/3.2no data
Max number of SATA 6 Gb/s Ports2no data
Number of USB ports14no data
Integrated LAN-no data
UART+no data

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.

Pentium Silver N6005 3.51
i9-11900K 16.48
+370%

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.

Pentium Silver N6005 5367
i9-11900K 25220
+370%

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.

Pentium Silver N6005 549
i9-11900K 2400
+337%

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.

Pentium Silver N6005 1421
i9-11900K 11056
+678%

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.

Pentium Silver N6005 3970
i9-11900K 10545
+166%

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.

Pentium Silver N6005 12496
i9-11900K 62024
+396%

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.

Pentium Silver N6005 16.55
i9-11900K 3.98
+316%

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.

Pentium Silver N6005 5
i9-11900K 27
+452%

Cinebench 15 64-bit multi-core

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

Pentium Silver N6005 319
i9-11900K 2379
+646%

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.

Pentium Silver N6005 121
i9-11900K 255
+111%

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.

Pentium Silver N6005 1.48
i9-11900K 3.1
+109%

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.

Pentium Silver N6005 2.8
i9-11900K 13
+373%

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.  

Pentium Silver N6005 25
i9-11900K 137
+444%

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.  

Pentium Silver N6005 119
i9-11900K 310
+161%

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.

Pentium Silver N6005 1675
i9-11900K 9030
+439%

Geekbench 5.5 Multi-Core

Pentium Silver N6005 1673
i9-11900K 10483
+527%

Blender(-)

Pentium Silver N6005 1805
+752%
i9-11900K 212

Geekbench 5.5 Single-Core

Pentium Silver N6005 695
i9-11900K 1788
+157%

7-Zip Single

Pentium Silver N6005 3465
i9-11900K 6347
+83.2%

7-Zip

Pentium Silver N6005 9964
i9-11900K 59659
+499%

WebXPRT 3

Pentium Silver N6005 146
i9-11900K 284
+94.2%

Gaming performance

Pros & cons summary


Performance score 3.51 16.48
Integrated graphics card 5.57 4.49
Recency 11 January 2021 16 March 2021
Physical cores 4 8
Threads 4 16
Chip lithography 10 nm 14 nm
Power consumption (TDP) 10 Watt 125 Watt

Pentium Silver N6005 has 24.1% faster integrated GPU, a 40% more advanced lithography process, and 1150% lower power consumption.

i9-11900K, on the other hand, has a 369.5% higher aggregate performance score, an age advantage of 2 months, and 100% more physical cores and 300% more threads.

The Core i9-11900K is our recommended choice as it beats the Pentium Silver N6005 in performance tests.

Be aware that Pentium Silver N6005 is a notebook processor while Core i9-11900K is a desktop one.


Should you still have questions on choice between Pentium Silver N6005 and Core i9-11900K, ask them in Comments section, and we shall answer.

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Intel Pentium Silver N6005
Pentium Silver N6005
Intel Core i9-11900K
Core i9-11900K

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Community ratings

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