Core i7-11390H vs Core 2 Quad Q9400

Primary details

Comparing Core 2 Quad Q9400 and Core i7-11390H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2238	1062
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	Intel Tiger Lake
Power efficiency	1.33	21.17
Architecture codename	Yorkfield (2007−2009)	Tiger Lake-H35 (2021)
Release date	August 2008 (16 years ago)	21 June 2021 (3 years ago)

Detailed specifications

Core 2 Quad Q9400 and Core i7-11390H 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)	4 (Quad-Core)
Threads	4	8
Base clock speed	2.66 GHz	2.9 GHz
Boost clock speed	2.67 GHz	5 GHz
Bus rate	1333 MHz	4 GT/s
L1 cache	64K (per core)	80K (per core)
L2 cache	6 MB (shared)	1.25 MB (per core)
L3 cache	0 KB	12 MB (shared)
Chip lithography	45 nm	10 nm SuperFin
Die size	2x 81 mm2	146.1 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	71 °C	72 °C
Number of transistors	456 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Quad Q9400 and Core i7-11390H 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	LGA775	FCBGA1449
Power consumption (TDP)	95 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400 and Core i7-11390H. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	-	+
FMA	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
TSX	-	+
Idle States	+	+
Thermal Monitoring	+	+
Demand Based Switching	-	no data
Turbo Boost Max 3.0	no data	+
FSB parity	-	no data
Deep Learning Boost	-	+

Security technologies

Core 2 Quad Q9400 and Core i7-11390H technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q9400 and Core i7-11390H are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400 and Core i7-11390H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4
Maximum memory size	no data	64 GB
Max memory channels	no data	2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel® Iris® Xe Graphics eligible
Quick Sync Video	-	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.4 GHz
Execution Units	no data	96

Graphics interfaces

Available interfaces and connections of Core 2 Quad Q9400 and Core i7-11390H integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by Core 2 Quad Q9400 and Core i7-11390H integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096x2304@60Hz
Max resolution over eDP	no data	4096x2304@60Hz
Max resolution over DisplayPort	no data	7680x4320@60Hz

Graphics API support

APIs supported by Core 2 Quad Q9400 and Core i7-11390H 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 2 Quad Q9400 and Core i7-11390H.

PCIe version	no data	4.0
PCI Express lanes	no data	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.

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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	1.39	6.50
Threads	4	8
Chip lithography	45 nm	10 nm
Power consumption (TDP)	95 Watt	28 Watt

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Should you still have questions on choice between Core 2 Quad Q9400 and Core i7-11390H, ask them in Comments section, and we shall answer.

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