i7-2677M vs i5-3450S

Primary details

Comparing Core i5-3450S and Core i7-2677M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1690	2332
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.51	no data
Market segment	Desktop processor	Laptop
Series	no data	Intel Core i7
Power efficiency	4.00	6.68
Architecture codename	Ivy Bridge (2012−2013)	Sandy Bridge (2011−2013)
Release date	29 April 2012 (12 years ago)	27 June 2011 (13 years ago)
Launch price (MSRP)	$150	$317

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-3450S and Core i7-2677M 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)	2 (Dual-core)
Threads	4	4
Base clock speed	2.8 GHz	1.8 GHz
Boost clock speed	3.5 GHz	2.9 GHz
Bus type	no data	DMI 2.0
Bus rate	5 GT/s	4 × 5 GT/s
Multiplier	no data	18
L1 cache	64 KB (per core)	128 KB
L2 cache	256 KB (per core)	512 KB
L3 cache	6144 KB (shared)	4 MB
Chip lithography	22 nm	32 nm
Die size	160 mm2	149 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	69 °C	no data
Number of transistors	1,400 million	624 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i5-3450S and Core i7-2677M 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	FCLGA1155	FCBGA1023
Power consumption (TDP)	65 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-3450S and Core i7-2677M. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i5-3450S and Core i7-2677M 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 i5-3450S and Core i7-2677M are enumerated here.

VT-d	-	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-3450S and Core i7-2677M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3-1066, DDR3-1333
Maximum memory size	32 GB	8.01 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 2500	Intel HD Graphics 3000
Quick Sync Video	+	+
Clear Video HD	+	+
Graphics max frequency	1.1 GHz	1.2 GHz
InTru 3D	+	+

Graphics interfaces

Available interfaces and connections of Core i5-3450S and Core i7-2677M integrated GPUs.

Number of displays supported	3	2
eDP	no data	+
DisplayPort	-	+
HDMI	-	+
SDVO	no data	+
CRT	no data	+

Peripherals

Specifications and connection of peripherals supported by Core i5-3450S and Core i7-2677M.

PCIe version	3.0	2.0
PCI Express lanes	no data	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.

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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.

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Pros & cons summary

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Performance score	2.75	1.20
Integrated graphics card	0.69	0.66
Recency	29 April 2012	27 June 2011
Physical cores	4	2
Chip lithography	22 nm	32 nm
Power consumption (TDP)	65 Watt	17 Watt

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Should you still have questions on choice between Core i5-3450S and Core i7-2677M, ask them in Comments section, and we shall answer.

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