i9-12900K vs Pentium Silver J5040

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Aggregate performance score

Pentium Silver J5040
2019
4 cores / 4 threads, 10 Watt
2.13
Core i9-12900K
2021
16 cores / 24 threads, 125 Watt
27.10
+1172%

Core i9-12900K outperforms Pentium Silver J5040 by a whopping 1172% based on our aggregate benchmark results.

Primary details

Comparing Pentium Silver J5040 and Core i9-12900K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1890184
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.9736.07
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Core i9
Power efficiency19.4219.77
Architecture codenameGemini Lake Refresh (2019)Alder Lake, Golden Cove, Gracemont (2021)
Release date4 November 2019 (5 years ago)27 October 2021 (3 years ago)
Launch price (MSRP)$161$589

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-12900K has 809% better value for money than Pentium Silver J5040.

Detailed specifications

Pentium Silver J5040 and Core i9-12900K 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)16 (Hexadeca-Core)
Threads424
Base clock speed2 GHz3.2 GHz
Boost clock speed3.2 GHz5.2 GHz
Bus typeno dataDMI 4.0
Bus rateno data8 × 16 GT/s
Multiplierno data32
L1 cache56 KB (per core)768 KB
L2 cache4 MB (shared)4 MB
L3 cache4 MB6 MB
Chip lithography14 nm10 nm
Die size93 mm2215.25 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 J5040 and Core i9-12900K 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
SocketFCBGA1090FCLGA1700
Power consumption (TDP)10 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Silver J5040 and Core i9-12900K. You'll probably need this information if you require some particular technology.

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

Security technologies

Pentium Silver J5040 and Core i9-12900K technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB++
Secure Key++
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard++
Anti-Theft-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium Silver J5040 and Core i9-12900K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Silver J5040 and Core i9-12900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4, DDR5
Maximum memory size8 GB128 GB
Max memory channels22
Maximum memory bandwidthno data76.805 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 605Intel UHD Graphics 770
Max video memory8 GBno data
Quick Sync Video++
Clear Video HDno data+
Graphics max frequency800 MHz1.55 GHz
Execution Units1832

Graphics interfaces

Available interfaces and connections of Pentium Silver J5040 and Core i9-12900K integrated GPUs.

Number of displays supported34
eDP+no data
DisplayPort+-
HDMI+-
MIPI-DSI+no data

Graphics image quality

Maximum display resolutions supported by Pentium Silver J5040 and Core i9-12900K integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2160@30Hz4096 x 2160 @ 60Hz
Max resolution over eDP4096x2160@60Hz5120 x 3200 @ 120Hz
Max resolution over DisplayPort4096x2160@60Hz7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Pentium Silver J5040 and Core i9-12900K integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.44.5

Peripherals

Specifications and connection of peripherals supported by Pentium Silver J5040 and Core i9-12900K.

PCIe version2.05.0 and 4.0
PCI Express lanes620
USB revision2.0/3.0no data
Total number of SATA ports2no data
Max number of SATA 6 Gb/s Ports2no data
Number of USB ports8no 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 J5040 2.13
i9-12900K 27.10
+1172%

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 J5040 3261
i9-12900K 41469
+1172%

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 J5040 418
i9-12900K 2649
+534%

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 J5040 1124
i9-12900K 15536
+1282%

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 J5040 2688
i9-12900K 9859
+267%

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 J5040 8279
i9-12900K 71819
+767%

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.

Pentium Silver J5040 4296
i9-12900K 18753
+337%

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 J5040 15.29
i9-12900K 3.66
+318%

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 J5040 3
i9-12900K 46
+1207%

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 J5040 279
i9-12900K 4057
+1354%

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 J5040 91
i9-12900K 289
+218%

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 J5040 1.09
i9-12900K 3.5
+221%

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 J5040 2
i9-12900K 19.3
+863%

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 J5040 19
i9-12900K 201
+947%

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 J5040 89
i9-12900K 367
+312%

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 J5040 1391
i9-12900K 11834
+751%

Geekbench 5.5 Multi-Core

Pentium Silver J5040 1672
i9-12900K 17776
+963%

Blender(-)

Pentium Silver J5040 2060
+1552%
i9-12900K 125

Geekbench 5.5 Single-Core

Pentium Silver J5040 538
i9-12900K 2006
+273%

7-Zip Single

Pentium Silver J5040 2833
i9-12900K 6576
+132%

7-Zip

Pentium Silver J5040 8946
i9-12900K 97316
+988%

WebXPRT 3

Pentium Silver J5040 108
i9-12900K 325
+200%

Gaming performance

Pros & cons summary


Performance score 2.13 27.10
Integrated graphics card 1.17 6.15
Recency 4 November 2019 27 October 2021
Physical cores 4 16
Threads 4 24
Chip lithography 14 nm 10 nm
Power consumption (TDP) 10 Watt 125 Watt

Pentium Silver J5040 has 1150% lower power consumption.

i9-12900K, on the other hand, has a 1172.3% higher aggregate performance score, 425.6% faster integrated GPU, an age advantage of 1 year, 300% more physical cores and 500% more threads, and a 40% more advanced lithography process.

The Core i9-12900K is our recommended choice as it beats the Pentium Silver J5040 in performance tests.


Should you still have questions on choice between Pentium Silver J5040 and Core i9-12900K, ask them in Comments section, and we shall answer.

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Intel Pentium Silver J5040
Pentium Silver J5040
Intel Core i9-12900K
Core i9-12900K

Similar processor comparisons

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Community ratings

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Questions & comments

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