i9-12900KF vs i7-660LM

Primary details

Comparing Core i7-660LM and Core i9-12900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	188
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	36.86
Market segment	Laptop	Desktop processor
Series	Intel Core i7	Intel Core i9
Power efficiency	no data	19.59
Architecture codename	Arrandale (2010−2011)	Alder Lake, Golden Cove, Gracemont (2021)
Release date	13 September 2010 (14 years ago)	4 November 2021 (3 years ago)
Launch price (MSRP)	$346	$564

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-660LM and Core i9-12900KF 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)	16 (Hexadeca-Core)
Threads	4	24
Base clock speed	2.26 GHz	3.2 GHz
Boost clock speed	3.06 GHz	5.2 GHz
Bus type	DMI 1.0	DMI 4.0
Bus rate	1 × 2.5 GT/s	8 × 16 GT/s
Multiplier	17	32
L1 cache	128 KB	80K (per core)
L2 cache	512 KB	1.25 MB (per core)
L3 cache	4 MB	30 MB (shared)
Chip lithography	32 nm	Intel 7 nm
Die size	81+177 mm2	215.25 mm2
Maximum core temperature	105 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	382+177 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Core i7-660LM and Core i9-12900KF 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	FCLGA1700
Power consumption (TDP)	25 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-660LM and Core i9-12900KF. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
FMA	+	-
AVX	-	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	+	2.0
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
PAE	36 Bit	no data
Turbo Boost Max 3.0	no data	+
FDI	+	no data
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Core i7-660LM and Core i9-12900KF technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-660LM and Core i9-12900KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-660LM and Core i9-12900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066	DDR5-4800, DDR4-3200
Maximum memory size	8 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	17.051 GB/s	76.805 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics for Previous Generation Intel Processors	no data
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 Core i9-12900KF integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-660LM and Core i9-12900KF.

PCIe version	2.0	5.0 and 4.0
PCI Express lanes	16	20

Pros & cons summary

---

Recency	13 September 2010	4 November 2021
Physical cores	2	16
Threads	4	24
Power consumption (TDP)	25 Watt	125 Watt

---

Should you still have questions on choice between Core i7-660LM and Core i9-12900KF, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---