i7-4950HQ vs i7-6900K

Primary details

Comparing Core i7-6900K and Core i7-4950HQ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	831	1379
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.03	no data
Market segment	Desktop processor	Laptop
Series	no data	Intel Core i7
Power efficiency	6.16	8.34
Architecture codename	Broadwell-E (2016)	Crystalwell (2013−2014)
Release date	31 May 2016 (8 years ago)	2 June 2013 (11 years ago)
Launch price (MSRP)	$1,020	$657

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-6900K and Core i7-4950HQ 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	8 (Octa-Core)	4 (Quad-Core)
Threads	16	8
Base clock speed	3.2 GHz	2.4 GHz
Boost clock speed	4 GHz	3.6 GHz
Bus type	no data	DMI 2.0
Bus rate	no data	5 GT/s
Multiplier	no data	24
L1 cache	32 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	1 MB
L3 cache	20 MB (shared)	6 MB
Chip lithography	14 nm	22 nm
Die size	no data	264 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	72 °C	100 °C
Number of transistors	no data	1,400 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	+

Compatibility

Information on Core i7-6900K and Core i7-4950HQ 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	FCLGA2011	FCBGA1364
Power consumption (TDP)	140 Watt	47 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6900K and Core i7-4950HQ. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
My WiFi	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	+
Thermal Monitoring	-	+
Smart Response	+	no data
Turbo Boost Max 3.0	+	no data
FDI	no data	+

Security technologies

Core i7-6900K and Core i7-4950HQ technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6900K and Core i7-4950HQ are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6900K and Core i7-4950HQ. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR3
Maximum memory size	128 GB	32 GB
Max memory channels	4	2
Maximum memory bandwidth	no data	25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel Iris Pro Graphics 5200
Max video memory	no data	2 GB
Quick Sync Video	-	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.3 GHz
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Core i7-6900K and Core i7-4950HQ integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i7-6900K and Core i7-4950HQ integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	3840x2160@30Hz
Max resolution over DisplayPort	no data	3840x2160@60Hz
Max resolution over VGA	no data	2880x1800@60Hz

Graphics API support

APIs supported by Core i7-6900K and Core i7-4950HQ integrated GPUs, sometimes API versions are included.

DirectX	no data	11.2/12
OpenGL	no data	4.3

Peripherals

Specifications and connection of peripherals supported by Core i7-6900K and Core i7-4950HQ.

PCIe version	3.0	3
PCI Express lanes	40	16

Pros & cons summary

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Performance score	9.46	4.30
Recency	31 May 2016	2 June 2013
Physical cores	8	4
Threads	16	8
Chip lithography	14 nm	22 nm
Power consumption (TDP)	140 Watt	47 Watt

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