i7-2620M vs i7-3687U

Place in the ranking	2074	2144
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Core i7
Power efficiency	9.30	4.14
Architecture codename	Ivy Bridge (2012−2013)	Sandy Bridge (2011−2013)
Release date	8 January 2013 (11 years ago)	20 February 2011 (13 years ago)
Launch price (MSRP)	no data	$346

Detailed specifications

Core i7-3687U and Core i7-2620M 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	2.1 GHz	2.7 GHz
Boost clock speed	3.3 GHz	3.4 GHz
Bus type	no data	DMI 2.0
Bus rate	5 GT/s	4 × 5 GT/s
Multiplier	no data	27
L1 cache	64K (per core)	128 KB
L2 cache	256K (per core)	512 KB
L3 cache	4 MB (shared)	4 MB
Chip lithography	22 nm	32 nm
Die size	118 mm²	149 mm²
Maximum core temperature	105 °C	100 °C
Number of transistors	no data	624 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-3687U and Core i7-2620M 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	FCBGA1023	FCBGA1023,PPGA988
Power consumption (TDP)	17 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3687U and Core i7-2620M. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	Intel® AVX
AES-NI	+	+
FMA	-	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	+
Turbo Boost Technology	+	2.0
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	+
Demand Based Switching	-	-
FDI	+	+
Fast Memory Access	+	+

Security technologies

Core i7-3687U and Core i7-2620M 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 i7-3687U and Core i7-2620M are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3687U and Core i7-2620M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	32 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	21.335 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 4000	Intel HD Graphics 3000
Quick Sync Video	+	+
Clear Video HD	+	+
Graphics max frequency	1.2 GHz	1.3 GHz
InTru 3D	+	+

Graphics interfaces

Available interfaces and connections of Core i7-3687U and Core i7-2620M integrated GPUs.

Number of displays supported	3	2
eDP	+	+
DisplayPort	+	+
HDMI	+	+
SDVO	+	+
CRT	+	+

Peripherals

Specifications and connection of peripherals supported by Core i7-3687U and Core i7-2620M.

PCIe version	2.0	2.0
PCI Express lanes	16	16

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.

i7-3687U 1.67
+9.2%

i7-2620M 1.53

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.

i7-3687U 2649
+9.3%

i7-2620M 2423

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-3687U 536
+4.9%

i7-2620M 511

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-3687U 1066
+4.6%

i7-2620M 1019

Gaming performance

Pros & cons summary

Performance score	1.67	1.53
Integrated graphics card	1.18	0.66
Recency	8 January 2013	20 February 2011
Chip lithography	22 nm	32 nm
Power consumption (TDP)	17 Watt	35 Watt

i7-3687U has a 9.2% higher aggregate performance score, 78.8% faster integrated GPU, an age advantage of 1 year, a 45.5% more advanced lithography process, and 105.9% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i7-3687U and Core i7-2620M.

Should you still have questions on choice between Core i7-3687U and Core i7-2620M, ask them in Comments section, and we shall answer.