i9-12900KF vs i7-3930K

Aggregate performance score

Core i7-3930K
2011
6 cores / 12 threads, 130 Watt
5.16
Core i9-12900KF
2021
16 cores / 24 threads, 125 Watt
25.88
+402%

Core i9-12900KF outperforms Core i7-3930K by a whopping 402% based on our aggregate benchmark results.

Primary details

Comparing Core i7-3930K and Core i9-12900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1195188
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.5336.87
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Core i9
Power efficiency3.7619.59
Architecture codenameSandy Bridge-E (2011−2013)Alder Lake, Golden Cove, Gracemont (2021)
Release date14 November 2011 (13 years ago)4 November 2021 (3 years ago)
Launch price (MSRP)$611$564

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-12900KF has 6857% better value for money than i7-3930K.

Detailed specifications

Core i7-3930K and Core i9-12900KF 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)
Threads1224
Base clock speed3.2 GHz3.2 GHz
Boost clock speed3.8 GHz5.2 GHz
Bus typeno dataDMI 4.0
Bus rate5 GT/s8 × 16 GT/s
Multiplierno data32
L1 cache64 KB (per core)80K (per core)
L2 cache256 KB (per core)1.25 MB (per core)
L3 cache12 MB (shared)30 MB (shared)
Chip lithography32 nmIntel 7 nm
Die size435 mm2215.25 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)67 °C72 °C
Number of transistors2,270 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on Core i7-3930K and Core i9-12900KF 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
SocketFCLGA2011FCLGA1700
Power consumption (TDP)130 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3930K and Core i9-12900KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVXIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
Idle States++
Thermal Monitoring++
Smart Response+no data
Demand Based Switching-no data
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Core i7-3930K and Core i9-12900KF technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB++
Secure Keyno data+
Identity Protection+-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3930K and Core i9-12900KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3930K and Core i9-12900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5-4800, DDR4-3200
Maximum memory size64.23 GB128 GB
Max memory channels42
Maximum memory bandwidth51.2 GB/s76.805 GB/s

Peripherals

Specifications and connection of peripherals supported by Core i7-3930K and Core i9-12900KF.

PCIe version2.05.0 and 4.0
PCI Express lanes4020

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.

i7-3930K 5.16
i9-12900KF 25.88
+402%

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.

i7-3930K 8204
i9-12900KF 41117
+401%

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.

i7-3930K 614
i9-12900KF 2603
+324%

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.

i7-3930K 2986
i9-12900KF 15080
+405%

Gaming performance

Pros & cons summary


Performance score 5.16 25.88
Recency 14 November 2011 4 November 2021
Physical cores 6 16
Threads 12 24
Power consumption (TDP) 130 Watt 125 Watt

i9-12900KF has a 401.6% higher aggregate performance score, an age advantage of 9 years, 166.7% more physical cores and 100% more threads, and 4% lower power consumption.

The Core i9-12900KF is our recommended choice as it beats the Core i7-3930K in performance tests.


Should you still have questions on choice between Core i7-3930K and Core i9-12900KF, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i7-3930K
Core i7-3930K
Intel Core i9-12900KF
Core i9-12900KF

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

Here you can see how users rate the processors, as well as rate them yourself.


4.3 278 votes

Rate Core i7-3930K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 541 vote

Rate Core i9-12900KF on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-3930K or Core i9-12900KF, agree or disagree with our judgements, or report an error or mismatch.