Athlon II X4 645 vs Pentium G2140

Primary details

Comparing Pentium G2140 and Athlon II X4 645 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2269	2167
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	3.30
Market segment	Desktop processor	Desktop processor
Power efficiency	2.27	1.47
Architecture codename	no data	Propus (2009−2011)
Release date	1 April 2013 (11 years ago)	21 September 2010 (14 years ago)
Launch price (MSRP)	no data	$80

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium G2140 and Athlon II X4 645 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)	4 (Quad-Core)
Threads	2	4
Base clock speed	3.3 GHz	3.1 GHz
Boost clock speed	no data	3.1 GHz
Bus rate	5 GT/s	no data
L1 cache	no data	128 KB (per core)
L2 cache	no data	512 KB (per core)
L3 cache	3 MB Intel® Smart Cache	0 KB
Chip lithography	22 nm	45 nm
Die size	no data	169 mm2
Number of transistors	no data	300 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Pentium G2140 and Athlon II X4 645 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
Socket	FCLGA1155	AM3
Power consumption (TDP)	55 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G2140 and Athlon II X4 645. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
Enhanced SpeedStep (EIST)	+	no data
My WiFi	-	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-

Security technologies

Pentium G2140 and Athlon II X4 645 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium G2140 and Athlon II X4 645 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium G2140 and Athlon II X4 645. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1333, DDR3-1600	DDR3
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics for 3rd Generation Intel Processors	no data
Graphics max frequency	1.05 GHz	no data

Graphics interfaces

Available interfaces and connections of Pentium G2140 and Athlon II X4 645 integrated GPUs.

Number of displays supported

3

no data

Peripherals

Specifications and connection of peripherals supported by Pentium G2140 and Athlon II X4 645.

PCIe version

2.0

2.0

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	1.32	1.48
Recency	1 April 2013	21 September 2010
Physical cores	2	4
Threads	2	4
Chip lithography	22 nm	45 nm
Power consumption (TDP)	55 Watt	95 Watt

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Should you still have questions on choice between Pentium G2140 and Athlon II X4 645, ask them in Comments section, and we shall answer.

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