Core i7-660UM vs A6-3420M

General info

Comparing A6-3420M and Core i7-660UM processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2448	2451
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	AMD A-Series	Intel Core i7
Architecture codename	Llano (2011−2012)	Arrandale (2010−2011)
Release date	20 December 2011 (12 years ago)	1 September 2010 (13 years ago)
Launch price (MSRP)	no data	$317
Current price	$1578	no data

Technical specs

A6-3420M and Core i7-660UM 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	1.5 GHz	1.33 GHz
Boost clock speed	2.4 GHz	2.4 GHz
Bus support	no data	2500 MHz
L1 cache	128 KB (per core)	128 KB
L2 cache	1 MB (per core)	512 KB
L3 cache	0 KB	4 MB
Chip lithography	32 nm	32 nm
Die size	228 mm2	81+144 mm2
Maximum core temperature	no data	105 °C
Number of transistors	1,178 million	382+177 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on A6-3420M and Core i7-660UM 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	FS1	BGA1288
Power consumption (TDP)	35 Watt	18 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-3420M and Core i7-660UM. You'll probably need this information if you require some particular technology.

Instruction set extensions	3DNow!, MMX, SSE, SSE2, SSE3, SSE4a, Radeon HD 6480G, DDR3(L)-1333 Memory Controller	Intel® SSE4.1, Intel® SSE4.2
AES-NI	no data	+
FMA	no data	+
vPro	no data	+
Enhanced SpeedStep (EIST)	no data	+
Turbo Boost Technology	no data	+
Hyper-Threading Technology	no data	+
Idle States	no data	+
Thermal Monitoring	no data	+
Flex Memory Access	no data	+
PAE	no data	36 Bit
FDI	no data	+
Fast Memory Access	no data	+
Status	no data	Discontinued

Security technologies

A6-3420M and Core i7-660UM technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by A6-3420M and Core i7-660UM are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-3420M and Core i7-660UM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3-800
Maximum memory size	no data	8 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	12.8 GB/s
ECC memory support	no data	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon HD 6520G	Intel® HD Graphics for Previous Generation Intel® Processors
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	500 MHz

Graphics interfaces

Available interfaces and connections of A6-3420M and Core i7-660UM integrated GPUs.

Number of displays supported

no data

2

Peripherals

Specifications and connection of peripherals supported by A6-3420M and Core i7-660UM.

PCIe version	no data	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.

A6-3420M outperforms Core i7-660UM by 1% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	0.84	0.83
Recency	20 December 2011	1 September 2010
Physical cores	4	2
Power consumption (TDP)	35 Watt	18 Watt

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Should you still have questions on choice between A6-3420M and Core i7-660UM, ask them in Comments section, and we shall answer.

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