Ryzen 7 7840U vs i7-660LM

Primary details

Comparing Core i7-660LM and Ryzen 7 7840U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	427
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	AMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency	no data	53.11
Architecture codename	Arrandale (2010−2011)	Phoenix-U (Zen 4) (2023)
Release date	13 September 2010 (14 years ago)	May 2023 (1 year ago)
Launch price (MSRP)	$346	no data

Detailed specifications

Core i7-660LM and Ryzen 7 7840U 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)	8 (Octa-Core)
Threads	4	16
Base clock speed	2.26 GHz	3.3 GHz
Boost clock speed	3.06 GHz	5.1 GHz
Bus type	DMI 1.0	no data
Bus rate	1 × 2.5 GT/s	no data
Multiplier	17	no data
L1 cache	128 KB	64K (per core)
L2 cache	512 KB	1 MB (per core)
L3 cache	4 MB	16 MB (shared)
Chip lithography	32 nm	4 nm
Die size	81+177 mm2	178 mm2
Maximum core temperature	105 °C	100 °C
Number of transistors	382+177 Million	25,000 million
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Core i7-660LM and Ryzen 7 7840U 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	BGA1288	FP8
Power consumption (TDP)	25 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-660LM and Ryzen 7 7840U. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i7-660LM and Ryzen 7 7840U 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 Core i7-660LM and Ryzen 7 7840U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-660LM and Ryzen 7 7840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066	DDR5-5600
Maximum memory size	8 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	17.051 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Previous Generation Intel® Processors	AMD Radeon 780M
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	566 MHz	no data

Graphics interfaces

Available interfaces and connections of Core i7-660LM and Ryzen 7 7840U integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-660LM and Ryzen 7 7840U.

PCIe version	2.0	4.0
PCI Express lanes	16	20

Pros & cons summary

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Physical cores	2	8
Threads	4	16
Chip lithography	32 nm	4 nm
Power consumption (TDP)	25 Watt	28 Watt

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Should you still have questions on choice between Core i7-660LM and Ryzen 7 7840U, ask them in Comments section, and we shall answer.

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