i7-2740QM vs i7-4790K

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1491	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.95	no data
Market segment	Desktop processor	Laptop
Series	Core i7 (Desktop)	Intel Core i7
Power efficiency	2.21	no data
Designer	Intel	Intel
Manufacturer	Intel	no data
Architecture codename	Devil's Canyon	Sandy Bridge (2011−2013)
Release date	June 2014 (11 years ago)	4 September 2011 (14 years ago)
Launch price (MSRP)	$339	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Performance to price scatter graph

Detailed specifications

Basic parameters of Core i7-4790K and Core i7-2740QM: 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	4 GHz	no data
Boost clock speed	4.4 GHz	2.3 GHz
Bus type	no data	DMI 2.0
Bus rate	5 GT/s	4 × 5 GT/s
Multiplier	no data	23
L1 cache	64K (per core)	256 KB
L2 cache	256K (per core)	1 MB
L3 cache	8 MB (shared)	6 MB
Chip lithography	22 nm	32 nm
Die size	177 mm2	216 mm2
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	1,400 million	1160 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on Core i7-4790K and Core i7-2740QM 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 (Uniprocessor)
Socket	FCLGA1150	Socket G2
Power consumption (TDP)	88 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4790K and Core i7-2740QM. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	+
FMA	-	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
FDI	+	no data

Security technologies

Core i7-4790K and Core i7-2740QM technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data
Identity Protection	+	-
OS Guard	+	no data
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4790K and Core i7-2740QM are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4790K and Core i7-2740QM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3-1600
Maximum memory size	32 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	25.598 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare HD Graphics 3000 and HD Graphics 4600	Intel HD Graphics 4600	Intel HD Graphics 3000
Max video memory	2 GB	no data
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.25 GHz	no data
Execution Units	20	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-4790K and Core i7-2740QM integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
DVI	+	no data
VGA	+	no data

Graphics image quality

Maximum display resolutions supported by Core i7-4790K and Core i7-2740QM integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	3840x2160@24Hz	no data
Max resolution over eDP	3840x2160@60Hz	no data
Max resolution over DisplayPort	3840x2160@60Hz	no data
Max resolution over VGA	1920x1200@60Hz	no data

Graphics API support

APIs supported by Core i7-4790K and Core i7-2740QM integrated GPUs, sometimes API versions are included.

DirectX	11.2/12	no data
OpenGL	4.3	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-4790K and Core i7-2740QM.

PCIe version	3.0	no data
PCI Express lanes	16	no data

Pros & cons summary

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Integrated graphics card	1.70	0.61
Recency	on June 2014	4 September 2011
Chip lithography	22 nm	32 nm
Power consumption (TDP)	88 Watt	45 Watt