Core i7-7740K vs Core i7-4790K

Primary Details

Comparing Core i7-4790K and Core i7-7740K processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1101	not rated
Place by popularity	not in top-100	not in top-100
Cost-Effectiveness Evaluation	2.20	no data
Market segment	Desktop processor	Desktop processor
Series	Core i7 (Desktop)	no data
Architecture codename	Devil's Canyon	Kaby Lake-X (2017)
Release date	June 2014 (9 years ago)	no data
Launch price (MSRP)	$339	no data
Current price	$164 (0.5x MSRP)	$618

Cost-Effectiveness Evaluation

Performance per price, higher is better.

Detailed Specifications

Core i7-4790K and Core i7-7740K 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	no data
Base clock speed	4 GHz	no data
Boost clock speed	4.4 GHz	4.3 GHz
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	256 KB (per core)
L3 cache	8 MB (shared)	8192 KB (shared)
Chip lithography	22 nm	14 nm
Die size	177 mm2	no data
Maximum core temperature	74 °C	no data
Maximum case temperature (TCase)	72 °C	72 °C
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	Yes

Compatibility

Information on Core i7-4790K and Core i7-7740K 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	FCLGA1150	1151
Power consumption (TDP)	88 Watt	112 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4790K and Core i7-7740K. 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	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	no data
SIPP	-	no data
FDI	+	no data
Status	Discontinued	no data

Security technologies

Core i7-4790K and Core i7-7740K technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4790K and Core i7-7740K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4790K and Core i7-7740K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 4600	HD 630
Max video memory	2 GB	no data
Quick Sync Video	+	no data
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 i7-7740K integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i7-4790K and Core i7-7740K 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 i7-7740K 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 i7-7740K.

PCIe version	3.0	no data
PCI Express lanes	16	no data

Pros & Cons Summary

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Chip lithography	22 nm	14 nm
Power consumption (TDP)	88 Watt	112 Watt

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Should you still have questions on choice between Core i7-4790K and Core i7-7740K, ask them in Comments section, and we shall answer.

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