Core i7-14650HX vs Core 2 Duo E8400

VS

Aggregate performance score

Core 2 Duo E8400
2008
2 cores / 2 threads, 65 Watt
0.73
Core i7-14650HX
2024
16 cores / 24 threads, 55 Watt
22.85
+3030%

Core i7-14650HX outperforms Core 2 Duo E8400 by a whopping 3030% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E8400 and Core i7-14650HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2685231
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataRaptor Lake-HX
Power efficiency1.0639.29
Architecture codenameWolfdale (2008−2010)Raptor Lake-HX Refresh (2024)
Release date1 January 2008 (16 years ago)8 January 2024 (less than a year ago)

Detailed specifications

Core 2 Duo E8400 and Core i7-14650HX 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 cores2 (Dual-core)16 (Hexadeca-Core)
Threads224
Base clock speed3 GHz2.2 GHz
Boost clock speed3 GHz5.1 GHz
Bus rate1333 MHz157 MHz
L1 cache64 KB (per core)80 KB (per core)
L2 cache6 MB (shared)2 MB (per core)
L3 cache0 KB30 MB (shared)
Chip lithography45 nmIntel 7 nm
Die size104 mm2257 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)72 °C72 °C
Number of transistors410 millionno data
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier-+
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Duo E8400 and Core i7-14650HX 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 configuration11
SocketLGA775FCBGA1964
Power consumption (TDP)65 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E8400 and Core i7-14650HX. You'll probably need this information if you require some particular technology.

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

Security technologies

Core 2 Duo E8400 and Core i7-14650HX technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB+no data
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E8400 and Core i7-14650HX are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8400 and Core i7-14650HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR4, DDR5
Maximum memory sizeno data192 GB
Max memory channelsno data2
Maximum memory bandwidthno data89.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)Intel UHD Graphics for 14th Gen Intel Processors
Quick Sync Video-+
Graphics max frequencyno data1.6 GHz
Execution Unitsno data16

Graphics interfaces

Available interfaces and connections of Core 2 Duo E8400 and Core i7-14650HX integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Core 2 Duo E8400 and Core i7-14650HX integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2160 @ 60Hz
Max resolution over eDPno data5120 x 3200 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core 2 Duo E8400 and Core i7-14650HX integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E8400 and Core i7-14650HX.

PCIe version2.05.0 and 4.0
PCI Express lanesno data16

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.

Core 2 Duo E8400 0.73
i7-14650HX 22.85
+3030%

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.

Core 2 Duo E8400 1165
i7-14650HX 36293
+3015%

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.

Core 2 Duo E8400 370
i7-14650HX 2453
+563%

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.

Core 2 Duo E8400 604
i7-14650HX 13323
+2106%

Gaming performance

Pros & cons summary


Performance score 0.73 22.85
Recency 1 January 2008 8 January 2024
Physical cores 2 16
Threads 2 24
Power consumption (TDP) 65 Watt 55 Watt

i7-14650HX has a 3030.1% higher aggregate performance score, an age advantage of 16 years, 700% more physical cores and 1100% more threads, and 18.2% lower power consumption.

The Core i7-14650HX is our recommended choice as it beats the Core 2 Duo E8400 in performance tests.

Note that Core 2 Duo E8400 is a desktop processor while Core i7-14650HX is a notebook one.


Should you still have questions on choice between Core 2 Duo E8400 and Core i7-14650HX, 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.


Intel Core 2 Duo E8400
Core 2 Duo E8400
Intel Core i7-14650HX
Core i7-14650HX

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Community ratings

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Questions & comments

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