i7-5550U vs i7-6600U

Place in the ranking	1846	2004
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Core i7
Power efficiency	13.63	11.36
Architecture codename	Skylake (2015−2016)	Broadwell-U (2015)
Release date	1 September 2015 (9 years ago)	1 March 2015 (9 years ago)
Launch price (MSRP)	$393	$426

Detailed specifications

Core i7-6600U and Core i7-5550U 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	2 (Dual-core)	2 (Dual-core)
Threads	4	4
Base clock speed	2.6 GHz	2 GHz
Boost clock speed	3.4 GHz	3 GHz
Bus type	OPI	no data
Bus rate	4 GT/s	5 GT/s
Multiplier	26	no data
L1 cache	128 KB	64K (per core)
L2 cache	512 KB	256K (per core)
L3 cache	4 MB	4 MB (shared)
Chip lithography	14 nm	14 nm
Die size	98.57 mm²	133 mm²
Maximum core temperature	100 °C	105 °C
Maximum case temperature (TCase)	no data	105 °C
Number of transistors	1750 Million	1900 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-6600U and Core i7-5550U 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 (Uniprocessor)	1
Socket	FCBGA1356	FCBGA1168
Power consumption (TDP)	15 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6600U and Core i7-5550U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	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	+	+
Flex Memory Access	+	+
SIPP	+	-
Smart Response	+	+
FDI	no data	+
Fast Memory Access	no data	+

Security technologies

Core i7-6600U and Core i7-5550U technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
Secure Key	+	+
MPX	+	-
Identity Protection	+	+
SGX	Yes with Intel® ME	no data
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6600U and Core i7-5550U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6600U and Core i7-5550U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR3
Maximum memory size	32 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	34.134 GB/s	25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 520	Intel HD Graphics 6000
Max video memory	32 GB	16 GB
Quick Sync Video	+	+
Clear Video	+	+
Clear Video HD	+	+
Graphics max frequency	1.05 GHz	1 GHz
InTru 3D	+	+

Graphics interfaces

Available interfaces and connections of Core i7-6600U and Core i7-5550U integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i7-6600U and Core i7-5550U integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@24Hz	2560x1600@60Hz
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	4096x2304@60Hz	3840x2160@60Hz
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Core i7-6600U and Core i7-5550U integrated GPUs, sometimes API versions are included.

DirectX	12	11.2/12
OpenGL	4.5	4.3

Peripherals

Specifications and connection of peripherals supported by Core i7-6600U and Core i7-5550U.

PCIe version	3.0	2.0
PCI Express lanes	12	12

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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.

i7-6600U 2.16
+20%

i7-5550U 1.80

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-6600U 3430
+19.8%

i7-5550U 2864

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i7-6600U 4
+9.1%

i7-5550U 3

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

i7-6600U 1.61
+22%

i7-5550U 1.32