Core i5-12400 vs Core 2 Extreme QX9775

Primary details

Comparing Core 2 Extreme QX9775 and Core i5-12400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated624
Place by popularitynot in top-10081
Market segmentDesktop processorDesktop processor
Power efficiencyno data17.75
Architecture codenameYorkfield (2007−2009)Alder Lake-S (2022)
Release dateMarch 2008 (16 years ago)4 January 2022 (2 years ago)

Detailed specifications

Core 2 Extreme QX9775 and Core i5-12400 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 cores4 (Quad-Core)6 (Hexa-Core)
Threads412
Base clock speed3.2 GHz2.5 GHz
Boost clock speed3.2 GHz4.4 GHz
Bus rate1600 MHzno data
L1 cache64K (per core)80K (per core)
L2 cache12 MB (shared)1.25 MB (per core)
L3 cache0 KB18 MB (shared)
Chip lithography45 nmIntel 7 nm
Die size2x 107 mm2163 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)63 °Cno data
Number of transistors820 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-
VID voltage range0.85V-1.35Vno data

Compatibility

Information on Core 2 Extreme QX9775 and Core i5-12400 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
SocketLGA771FCLGA1700
Power consumption (TDP)150 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX9775 and Core i5-12400. 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-+
AVX-+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology-2.0
Hyper-Threading Technology-+
TSX-+
Idle States++
Thermal Monitoring++
Demand Based Switching-no data
Turbo Boost Max 3.0no data-
FSB parity-no data
Deep Learning Boost-+

Security technologies

Core 2 Extreme QX9775 and Core i5-12400 technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme QX9775 and Core i5-12400 are enumerated here.

VT-dno data+
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX9775 and Core i5-12400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR2DDR5-4800, DDR4-3200
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data76.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics 730
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data1.45 GHz
Execution Unitsno data24

Graphics interfaces

Available interfaces and connections of Core 2 Extreme QX9775 and Core i5-12400 integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Core 2 Extreme QX9775 and Core i5-12400 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 Extreme QX9775 and Core i5-12400 integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core 2 Extreme QX9775 and Core i5-12400.

PCIe versionno data5.0 and 4.0
PCI Express lanesno data20

Pros & cons summary


Physical cores 4 6
Threads 4 12
Power consumption (TDP) 150 Watt 65 Watt

i5-12400 has 50% more physical cores and 200% more threads, and 130.8% lower power consumption.

We couldn't decide between Core 2 Extreme QX9775 and Core i5-12400. We've got no test results to judge.


Should you still have questions on choice between Core 2 Extreme QX9775 and Core i5-12400, ask them in Comments section, and we shall answer.

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Intel Core 2 Extreme QX9775
Core 2 Extreme QX9775
Intel Core i5-12400
Core i5-12400

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Community ratings

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3.8 43 votes

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4.1 3867 votes

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