i7-3920XM vs i7-3930K

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Aggregate performance score

Core i7-3930K
2011
6 cores / 12 threads, 130 Watt
5.17
+44%
Core i7-3920XM
2012
4 cores / 8 threads, 55 Watt
3.59

Core i7-3930K outperforms Core i7-3920XM by a considerable 44% based on our aggregate benchmark results.

Primary details

Comparing Core i7-3930K and Core i7-3920XM processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking12071516
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.56no data
Market segmentDesktop processorLaptop
Seriesno dataIntel Core i7
Power efficiency3.766.18
Architecture codenameSandy Bridge-E (2011−2013)Ivy Bridge (2012−2013)
Release date14 November 2011 (13 years ago)29 April 2012 (12 years ago)
Launch price (MSRP)$611$1,096

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-3930K and Core i7-3920XM 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)4 (Quad-Core)
Threads128
Base clock speed3.2 GHz2.9 GHz
Boost clock speed3.8 GHz3.8 GHz
Bus rate5 GT/s5 GT/s
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)256K (per core)
L3 cache12 MB (shared)8 MB (shared)
Chip lithography32 nm22 nm
Die size435 mm2160 mm2
Maximum core temperatureno data105 °C
Maximum case temperature (TCase)67 °Cno data
Number of transistors2,270 million1,400 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier++

Compatibility

Information on Core i7-3930K and Core i7-3920XM 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
SocketFCLGA2011FCPGA988
Power consumption (TDP)130 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3930K and Core i7-3920XM. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVXIntel® AVX
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
My WiFino data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
Smart Response+no data
Demand Based Switching--
FDIno data+
Fast Memory Accessno data+

Security technologies

Core i7-3930K and Core i7-3920XM technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Identity Protection++
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3930K and Core i7-3920XM are enumerated here.

AMD-V-+
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3930K and Core i7-3920XM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size64.23 GB32 GB
Max memory channels42
Maximum memory bandwidth51.2 GB/s25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics 4000
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data1.3 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i7-3930K and Core i7-3920XM integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
SDVOno data+
CRTno data+

Peripherals

Specifications and connection of peripherals supported by Core i7-3930K and Core i7-3920XM.

PCIe version2.03.0
PCI Express lanes4016

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 5.17
+44%
i7-3920XM 3.59

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 8207
+43.7%
i7-3920XM 5710

Gaming performance

Pros & cons summary


Performance score 5.17 3.59
Recency 14 November 2011 29 April 2012
Physical cores 6 4
Threads 12 8
Chip lithography 32 nm 22 nm
Power consumption (TDP) 130 Watt 55 Watt

i7-3930K has a 44% higher aggregate performance score, and 50% more physical cores and 50% more threads.

i7-3920XM, on the other hand, has an age advantage of 5 months, a 45.5% more advanced lithography process, and 136.4% lower power consumption.

The Core i7-3930K is our recommended choice as it beats the Core i7-3920XM in performance tests.

Note that Core i7-3930K is a desktop processor while Core i7-3920XM is a notebook one.


Should you still have questions on choice between Core i7-3930K and Core i7-3920XM, ask them in Comments section, and we shall answer.

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Intel Core i7-3930K
Core i7-3930K
Intel Core i7-3920XM
Core i7-3920XM

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Community ratings

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4.3 279 votes

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Questions & comments

Here you can ask a question about Core i7-3930K or Core i7-3920XM, agree or disagree with our judgements, or report an error or mismatch.