Pentium G640 vs Core i7-4960X

Primary details

Comparing Core i7-4960X and Pentium G640 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	983	2455
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.25	1.45
Market segment	Desktop processor	Desktop processor
Series	Intel Core i7 (Desktop)	no data
Architecture codename	Ivy Bridge-E (2013)	Sandy Bridge (2011−2013)
Release date	3 September 2013 (10 years ago)	3 June 2012 (12 years ago)
Launch price (MSRP)	$999	$179
Current price	$450 (0.5x MSRP)	$72 (0.4x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Pentium G640 has 16% better value for money than i7-4960X.

Detailed specifications

Core i7-4960X and Pentium G640 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	6 (Hexa-Core)	2 (Dual-core)
Threads	12	2
Base clock speed	3.6 GHz	2.8 GHz
Boost clock speed	4 GHz	2.8 GHz
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	256 KB (per core)
L3 cache	15 MB (shared)	3 MB (shared)
Chip lithography	22 nm	32 nm
Die size	257 mm2	131 mm2
Maximum core temperature	67 °C	69 °C
Number of transistors	1,860 million	504 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on Core i7-4960X and Pentium G640 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	FCLGA2011	FCLGA1155
Power consumption (TDP)	130 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4960X and Pentium G640. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i7-4960X and Pentium G640 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Identity Protection	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4960X and Pentium G640 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4960X and Pentium G640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	64 GB	32 GB
Max memory channels	4	2
Maximum memory bandwidth	59.7 GB/s	17 GB/s
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

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

Graphics interfaces

Available interfaces and connections of Core i7-4960X and Pentium G640 integrated GPUs.

Number of displays supported

no data

2

Peripherals

Specifications and connection of peripherals supported by Core i7-4960X and Pentium G640.

PCIe version	3.0	2.0
PCI Express lanes	40	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.

Core i7-4960X outperforms Pentium G640 by 641% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	6.52	0.88
Recency	3 September 2013	3 June 2012
Physical cores	6	2
Threads	12	2
Cost	$999	$179
Chip lithography	22 nm	32 nm
Power consumption (TDP)	130 Watt	65 Watt

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Should you still have questions on choice between Core i7-4960X and Pentium G640, ask them in Comments section, and we shall answer.

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