Core i7-3770 vs Core i7-3940XM

Primary Details

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

Place in performance ranking	1368	1297
Place by popularity	not in top-100	21
Cost-Effectiveness Evaluation	no data	2.97
Market segment	Laptop	Desktop processor
Series	Intel Core i7	no data
Architecture codename	Ivy Bridge (2012−2013)	Ivy Bridge (2012−2013)
Release date	3 September 2012 (11 years ago)	29 April 2012 (12 years ago)
Launch price (MSRP)	$1,096	$294
Current price	$525 (0.5x MSRP)	$87 (0.3x MSRP)

Cost-Effectiveness Evaluation

Performance per price, higher is better.

Detailed Specifications

Core i7-3940XM and Core i7-3770 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 GHz	3.4 GHz
Boost clock speed	3.9 GHz	3.9 GHz
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	256 KB (per core)
L3 cache	8 MB (shared)	8 MB (shared)
Chip lithography	22 nm	22 nm
Die size	160 mm2	160 mm2
Maximum core temperature	105 °C	105 °C
Maximum case temperature (TCase)	no data	67 °C
Number of transistors	1,400 million	1,400 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on Core i7-3940XM and Core i7-3770 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	1
Socket	FCPGA988	FCLGA1155
Power consumption (TDP)	55 Watt	77 Watt

Technologies and extensions

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

Instruction set extensions	Intel® AVX	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	no data	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Demand Based Switching	-	no data
FDI	+	+
Fast Memory Access	+	no data
Status	Discontinued	Discontinued

Security technologies

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

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

Virtualization technologies

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

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

Memory specs

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

Supported memory types	DDR3	DDR3
Maximum memory size	32 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	25.6 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 4000	Intel HD Graphics 4000
Quick Sync Video	+	+
Clear Video HD	+	+
Graphics max frequency	1.35 GHz	1.15 GHz
InTru 3D	+	+

Graphics interfaces

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

Number of displays supported	3	3
eDP	+	no data
DisplayPort	+	no data
HDMI	+	no data
SDVO	+	no data
CRT	+	no data

Peripherals

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

PCIe version	3.0	3.0
PCI Express lanes	16	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.

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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.

Core i7-3770 outperforms Core i7-3940XM by 9% based on our aggregated benchmark results.

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Pros & Cons Summary

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Performance score	3.79	4.15
Recency	3 September 2012	29 April 2012
Cost	$1096	$294
Power consumption (TDP)	55 Watt	77 Watt

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

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