i5-12450HX vs i7-3840QM

Place in the ranking	1487	667
Place by popularity	not in top-100	98
Market segment	Laptop	Laptop
Series	Intel Core i7	no data
Power efficiency	7.78	20.08
Architecture codename	Ivy Bridge (2012−2013)	Alder Lake-HX (2022)
Release date	3 September 2012 (12 years ago)	10 May 2022 (2 years ago)
Launch price (MSRP)	$568	no data

Detailed specifications

Core i7-3840QM and Core i5-12450HX 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)	8 (Octa-Core)
Threads	8	12
Base clock speed	2.8 GHz	2.4 GHz
Boost clock speed	3.8 GHz	4.4 GHz
Bus rate	5 GT/s	no data
L1 cache	64K (per core)	80K (per core)
L2 cache	256K (per core)	1.25 MB (per core)
L3 cache	8 MB (shared)	12 MB (shared)
Chip lithography	22 nm	Intel 7 nm
Die size	160 mm²	215 mm²
Maximum core temperature	105 °C	100 °C
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Core i7-3840QM and Core i5-12450HX 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	FCBGA1224,FCPGA988	FCBGA1964
Power consumption (TDP)	45 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3840QM and Core i5-12450HX. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i7-3840QM and Core i5-12450HX technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
Identity Protection	+	-
OS Guard	no data	+
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3840QM and Core i5-12450HX are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3840QM and Core i5-12450HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4, DDR5
Maximum memory size	32 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	76.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 4000	Intel UHD Graphics for 12th Gen Intel Processors
Quick Sync Video	+	+
Clear Video HD	+	no data
Graphics max frequency	1.3 GHz	1.3 GHz
Execution Units	no data	16
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-3840QM and Core i5-12450HX integrated GPUs.

Number of displays supported	3	4
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
SDVO	+	no data
CRT	+	no data

Graphics image quality

Maximum display resolutions supported by Core i7-3840QM and Core i5-12450HX integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2304 @ 60Hz
Max resolution over eDP	no data	5120 x 3200 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i7-3840QM and Core i5-12450HX integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Core i7-3840QM and Core i5-12450HX.

PCIe version	3.0	5.0 and 4.0
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.

i7-3840QM 3.72

i5-12450HX 11.73
+215%

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.

i7-3840QM 5911

i5-12450HX 18634
+215%

Gaming performance

Pros & cons summary

Performance score	3.72	11.73
Integrated graphics card	1.18	5.58
Recency	3 September 2012	10 May 2022
Physical cores	4	8
Threads	8	12
Power consumption (TDP)	45 Watt	55 Watt

i7-3840QM has 22.2% lower power consumption.

i5-12450HX, on the other hand, has a 215.3% higher aggregate performance score, 372.9% faster integrated GPU, an age advantage of 9 years, and 100% more physical cores and 50% more threads.

The Core i5-12450HX is our recommended choice as it beats the Core i7-3840QM in performance tests.

Should you still have questions on choice between Core i7-3840QM and Core i5-12450HX, ask them in Comments section, and we shall answer.