i9-12900E vs i7-640LM

Place in the ranking	2487	382
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Core i7	no data
Power efficiency	3.63	24.45
Architecture codename	Arrandale (2010−2011)	Alder Lake-S (2022)
Release date	7 January 2010 (14 years ago)	4 January 2022 (2 years ago)
Launch price (MSRP)	$332	no data

Detailed specifications

Core i7-640LM and Core i9-12900E 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	2.13 GHz	2.3 GHz
Boost clock speed	2.93 GHz	5 GHz
Bus type	DMI 1.0	no data
Bus rate	1 × 2.5 GT/s	no data
Multiplier	16	no data
L1 cache	64 KB (per core)	80K (per core)
L2 cache	256 KB (per core)	1.25 MB (per core)
L3 cache	4 MB (shared)	30 MB (shared)
Chip lithography	32 nm	10 nm
Die size	81+177 mm²	215 mm²
Maximum core temperature	105 °C	no data
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 i7-640LM and Core i9-12900E 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	1700
Power consumption (TDP)	25 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-640LM and Core i9-12900E. 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)	+	+
Turbo Boost Technology	+	no data
Hyper-Threading Technology	+	no data
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
PAE	36 Bit	no data
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Core i7-640LM and Core i9-12900E technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-640LM and Core i9-12900E are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-640LM and Core i9-12900E. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066	DDR4, DDR5 Dual-channel
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 Compare	Intel HD Graphics for Previous Generation Intel Processors	Intel UHD Graphics 770
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	566 MHz	no data

Graphics interfaces

Available interfaces and connections of Core i7-640LM and Core i9-12900E integrated GPUs.

Number of displays supported

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-640LM and Core i9-12900E.

PCIe version	2.0	5.0
PCI Express lanes	16	20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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.

i7-640LM 0.96

i9-12900E 16.79
+1649%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-640LM 1531

i9-12900E 26666
+1642%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-640LM 366

i9-12900E 1752
+379%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-640LM 680

i9-12900E 10392
+1428%

Gaming performance

Pros & cons summary

Performance score	0.96	16.79
Integrated graphics card	0.77	6.15
Recency	7 January 2010	4 January 2022
Physical cores	2	16
Threads	4	24
Chip lithography	32 nm	10 nm
Power consumption (TDP)	25 Watt	65 Watt

i7-640LM has 160% lower power consumption.

i9-12900E, on the other hand, has a 1649% higher aggregate performance score, 698.7% faster integrated GPU, an age advantage of 11 years, 700% more physical cores and 500% more threads, and a 220% more advanced lithography process.

The Core i9-12900E is our recommended choice as it beats the Core i7-640LM in performance tests.

Be aware that Core i7-640LM is a notebook processor while Core i9-12900E is a desktop one.

Should you still have questions on choice between Core i7-640LM and Core i9-12900E, ask them in Comments section, and we shall answer.