i7-640M vs Pentium G2120

Primary details

Comparing Pentium G2120 and Core i7-640M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2357	2277
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.07	no data
Market segment	Desktop processor	Laptop
Series	no data	Intel Core i7
Power efficiency	2.05	3.54
Architecture codename	Ivy Bridge (2012−2013)	Arrandale (2010−2011)
Release date	3 September 2012 (12 years ago)	1 September 2010 (14 years ago)
Launch price (MSRP)	$88	$346

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium G2120 and Core i7-640M 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	2	4
Base clock speed	3.1 GHz	2.8 GHz
Boost clock speed	3.1 GHz	3.46 GHz
Bus type	no data	DMI 1.0
Bus rate	5 GT/s	1 × 2.5 GT/s
Multiplier	no data	21
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	256K (per core)
L3 cache	3 MB (shared)	4 MB (shared)
Chip lithography	22 nm	32 nm
Die size	94 mm2	81+114 mm2
Maximum core temperature	no data	105 °C
Maximum case temperature (TCase)	65 °C	no data
Number of transistors	no data	384 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Pentium G2120 and Core i7-640M 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	BGA1288,PGA988
Power consumption (TDP)	55 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G2120 and Core i7-640M. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	-	+
FMA	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
My WiFi	-	no data
Turbo Boost Technology	-	+
Hyper-Threading Technology	-	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	no data	+
PAE	no data	36 Bit
FDI	no data	+
Fast Memory Access	no data	+

Security technologies

Pentium G2120 and Core i7-640M technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium G2120 and Core i7-640M are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium G2120 and Core i7-640M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	32 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	17.051 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics for 3rd Generation Intel Processors	Intel HD Graphics for Previous Generation Intel Processors
Clear Video	no data	+
Clear Video HD	-	+
Graphics max frequency	1.05 GHz	766 MHz

Graphics interfaces

Available interfaces and connections of Pentium G2120 and Core i7-640M integrated GPUs.

Number of displays supported

3

2

Peripherals

Specifications and connection of peripherals supported by Pentium G2120 and Core i7-640M.

PCIe version	2.0	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	1.19	1.31
Recency	3 September 2012	1 September 2010
Threads	2	4
Chip lithography	22 nm	32 nm
Power consumption (TDP)	55 Watt	35 Watt

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Should you still have questions on choice between Pentium G2120 and Core i7-640M, ask them in Comments section, and we shall answer.

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