i7-3940XM Extreme Edition vs i7-3770K

Primary details

Comparing Core i7-3770K and Core i7-3940XM Extreme Edition processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1399	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.67	no data
Market segment	Desktop processor	Laptop
Series	Intel Core i7 (Desktop)	Intel Core i7EE
Power efficiency	5.00	no data
Architecture codename	Ivy Bridge (2012−2013)	Ivy Bridge (2012−2013)
Release date	29 April 2012 (12 years ago)	no data (2024 years ago)
Launch price (MSRP)	$294	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-3770K and Core i7-3940XM Extreme Edition 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 cores	4 (Quad-Core)	4 (Quad-Core)
Threads	8	8
Base clock speed	3.5 GHz	no data
Boost clock speed	3.9 GHz	3 GHz
Bus type	DMI	DMI
Bus rate	5 GT/s	5 GT/s
Multiplier	35	30
L1 cache	64 KB (per core)	no data
L2 cache	256K (per core)	1 MB
L3 cache	8 MB (shared)	8 MB
Chip lithography	22 nm	22 nm
Die size	160 mm2	no data
Maximum core temperature	67 °C	no data
Maximum case temperature (TCase)	67 °C	no data
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	+	-

Compatibility

Information on Core i7-3770K and Core i7-3940XM Extreme Edition 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 configuration	1	no data
Socket	FCLGA1155	no data
Power consumption (TDP)	77 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3770K and Core i7-3940XM Extreme Edition. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	no data
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
FDI	+	no data

Security technologies

Core i7-3770K and Core i7-3940XM Extreme Edition technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	no data
Secure Key	+	no data
Identity Protection	+	-
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3770K and Core i7-3940XM Extreme Edition are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3770K and Core i7-3940XM Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	32 GB	32 GB
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 4000	no data
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.15 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-3770K and Core i7-3940XM Extreme Edition integrated GPUs.

Number of displays supported

3

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-3770K and Core i7-3940XM Extreme Edition.

PCIe version	3.0	3.0
PCI Express lanes	16	16

Pros & cons summary

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Power consumption (TDP)

77 Watt

55 Watt

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Should you still have questions on choice between Core i7-3770K and Core i7-3940XM Extreme Edition, ask them in Comments section, and we shall answer.

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