Core 2 Duo E8400 vs Core i9-14900HX

Primary details

Comparing Core i9-14900HX and Core 2 Duo E8400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	154	2664
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Raptor Lake-HX	no data
Power efficiency	49.57	1.07
Architecture codename	Raptor Lake-HX Refresh (2024)	Wolfdale (2008−2010)
Release date	8 January 2024 (less than a year ago)	1 January 2008 (16 years ago)

Detailed specifications

Core i9-14900HX and Core 2 Duo E8400 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	24 (Tetracosa-Core)	2 (Dual-core)
Threads	32	2
Base clock speed	2.2 GHz	3 GHz
Boost clock speed	5.7 GHz	3 GHz
Bus rate	157 MHz	1333 MHz
L1 cache	80 KB (per core)	64 KB (per core)
L2 cache	2 MB (per core)	6 MB (shared)
L3 cache	36 MB (shared)	0 KB
Chip lithography	Intel 7 nm	45 nm
Die size	257 mm2	104 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	72 °C
Number of transistors	no data	410 million
64 bit support	+	+
Windows 11 compatibility	no data	-
Unlocked multiplier	+	-
VID voltage range	no data	0.85V-1.3625V

Compatibility

Information on Core i9-14900HX and Core 2 Duo E8400 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	FCBGA1964	LGA775
Power consumption (TDP)	55 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-14900HX and Core 2 Duo E8400. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i9-14900HX and Core 2 Duo E8400 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-14900HX and Core 2 Duo E8400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-14900HX and Core 2 Duo E8400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4, DDR5	DDR1, DDR2, DDR3
Maximum memory size	192 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	89.6 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® UHD Graphics for 14th Gen Intel® Processors	On certain motherboards (Chipset feature)
Quick Sync Video	+	-
Graphics max frequency	1.65 GHz	no data
Execution Units	32	no data

Graphics interfaces

Available interfaces and connections of Core i9-14900HX and Core 2 Duo E8400 integrated GPUs.

Number of displays supported

4

no data

Graphics image quality

Maximum display resolutions supported by Core i9-14900HX and Core 2 Duo E8400 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	4096 x 2160 @ 60Hz	no data
Max resolution over eDP	5120 x 3200 @ 120Hz	no data
Max resolution over DisplayPort	7680 x 4320 @ 60Hz	no data

Graphics API support

APIs supported by Core i9-14900HX and Core 2 Duo E8400 integrated GPUs, sometimes API versions are included.

DirectX	12.1	no data
OpenGL	4.6	no data

Peripherals

Specifications and connection of peripherals supported by Core i9-14900HX and Core 2 Duo E8400.

PCIe version	5.0 and 4.0	2.0
PCI Express lanes	16	no data

Synthetic benchmark performance

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

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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.

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Pros & cons summary

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Performance score	29.90	0.76
Recency	8 January 2024	1 January 2008
Physical cores	24	2
Threads	32	2
Power consumption (TDP)	55 Watt	65 Watt

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Should you still have questions on choice between Core i9-14900HX and Core 2 Duo E8400, ask them in Comments section, and we shall answer.

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