Pentium G645 vs i7-6820EQ

Primary details

Comparing Core i7-6820EQ and Pentium G645 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1332	2531
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.57	0.06
Market segment	Laptop	Desktop processor
Series	Intel Core i7	no data
Power efficiency	9.26	1.30
Architecture codename	Skylake (2015−2016)	Sandy Bridge (2011−2013)
Release date	12 October 2015 (9 years ago)	2 September 2012 (12 years ago)
Launch price (MSRP)	$378	$80

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-6820EQ has 850% better value for money than Pentium G645.

Detailed specifications

Core i7-6820EQ and Pentium G645 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	8	2
Base clock speed	no data	2.9 GHz
Boost clock speed	2.8 GHz	2.9 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	5 GT/s
Multiplier	28	no data
L1 cache	256 KB	64 KB (per core)
L2 cache	1 MB	256 KB (per core)
L3 cache	8 MB	3 MB (shared)
Chip lithography	14 nm	32 nm
Die size	122 mm2	131 mm2
Maximum core temperature	no data	69 °C
Number of transistors	no data	504 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-6820EQ and Pentium G645 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	no data	FCLGA1155
Power consumption (TDP)	45 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6820EQ and Pentium G645. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i7-6820EQ and Pentium G645 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6820EQ and Pentium G645 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6820EQ and Pentium G645. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	LPDDR3-1866	DDR3
Maximum memory size	64 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	34.134 GB/s	17 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 530	Intel® HD Graphics for 2nd Generation Intel® Processors
Graphics max frequency	no data	1.1 GHz

Graphics interfaces

Available interfaces and connections of Core i7-6820EQ and Pentium G645 integrated GPUs.

Number of displays supported

no data

2

Peripherals

Specifications and connection of peripherals supported by Core i7-6820EQ and Pentium G645.

PCIe version	3.0	2.0
PCI Express lanes	16	no data

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	4.42	0.90
Recency	12 October 2015	2 September 2012
Physical cores	4	2
Threads	8	2
Chip lithography	14 nm	32 nm
Power consumption (TDP)	45 Watt	65 Watt

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Should you still have questions on choice between Core i7-6820EQ and Pentium G645, ask them in Comments section, and we shall answer.

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