i7-660LM vs i9-9900K

Primary details

Comparing Core i9-9900K and Core i7-660LM processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	673	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	7.73	no data
Market segment	Desktop processor	Laptop
Series	Core i9 (Desktop)	Intel Core i7
Power efficiency	11.45	no data
Architecture codename	Coffee Lake-R (2018−2019)	Arrandale (2010−2011)
Release date	8 October 2018 (6 years ago)	13 September 2010 (14 years ago)
Launch price (MSRP)	$488	$346

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-9900K and Core i7-660LM 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	8 (Octa-Core)	2 (Dual-core)
Threads	16	4
Base clock speed	3.6 GHz	2.26 GHz
Boost clock speed	5 GHz	3.06 GHz
Bus type	DMI 3.0	DMI 1.0
Bus rate	4 × 8 GT/s	1 × 2.5 GT/s
Multiplier	no data	17
L1 cache	512 KB	128 KB
L2 cache	2 MB	512 KB
L3 cache	16 MB (shared)	4 MB
Chip lithography	14 nm	32 nm
Die size	178 mm2	81+177 mm2
Maximum core temperature	100 °C	105 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	382+177 Million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	+	-

Compatibility

Information on Core i9-9900K and Core i7-660LM 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 (Uniprocessor)
Socket	LGA-1151	BGA1288
Power consumption (TDP)	95 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900K and Core i7-660LM. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
FMA	-	+
AVX	+	-
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	+
Hyper-Threading Technology	+	+
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	no data	+
SIPP	+	-
PAE	no data	36 Bit
FDI	no data	+
Fast Memory Access	no data	+

Security technologies

Core i9-9900K and Core i7-660LM technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	no data
MPX	+	-
Identity Protection	+	-
SGX	Yes with Intel® ME	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900K and Core i7-660LM are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900K and Core i7-660LM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR3-800, DDR3-1066
Maximum memory size	128 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	44.668 GB/s	17.051 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics 630	Intel® HD Graphics for Previous Generation Intel® Processors
Max video memory	64 GB	no data
Quick Sync Video	+	-
Clear Video	+	+
Clear Video HD	+	+
Graphics max frequency	1.2 GHz	566 MHz
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i9-9900K and Core i7-660LM integrated GPUs.

Number of displays supported

3

2

Graphics image quality

Maximum display resolutions supported by Core i9-9900K and Core i7-660LM integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096 x 2304@24Hz	no data
Max resolution over eDP	4096 x 2304@60Hz	no data
Max resolution over DisplayPort	4096 x 2304@60Hz	no data

Graphics API support

APIs supported by Core i9-9900K and Core i7-660LM integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Core i9-9900K and Core i7-660LM.

PCIe version	3.0	2.0
PCI Express lanes	16	16

Pros & cons summary

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Recency	8 October 2018	13 September 2010
Physical cores	8	2
Threads	16	4
Chip lithography	14 nm	32 nm
Power consumption (TDP)	95 Watt	25 Watt

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Should you still have questions on choice between Core i9-9900K and Core i7-660LM, ask them in Comments section, and we shall answer.

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