Core i5-11400H vs Core 2 Quad Q9550s

Primary details

Comparing Core 2 Quad Q9550s and Core i5-11400H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	775
Place by popularity	not in top-100	35
Market segment	Desktop processor	Laptop
Series	no data	Tiger Lake
Power efficiency	no data	26.60
Architecture codename	Yorkfield (2007−2009)	Tiger Lake-H (2021)
Release date	27 January 2009 (15 years ago)	11 May 2021 (3 years ago)

Detailed specifications

Core 2 Quad Q9550s and Core i5-11400H 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)	6 (Hexa-Core)
Threads	4	12
Base clock speed	2.83 GHz	2.7 GHz
Boost clock speed	0.83 GHz	4.5 GHz
Bus rate	1333 MHz	8 GT/s
L1 cache	64 KB (per core)	96K (per core)
L2 cache	12 MB (shared)	1.25 MB (per core)
L3 cache	0 KB	12 MB (shared)
Chip lithography	45 nm	10 nm SuperFin
Die size	2x 107 mm2	no data
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	76 °C	72 °C
Number of transistors	820 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Quad Q9550s and Core i5-11400H 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	FCBGA1787
Power consumption (TDP)	65 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9550s and Core i5-11400H. 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	-	no data
Hyper-Threading Technology	-	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	no data	+
Demand Based Switching	-	no data
FSB parity	+	no data
Deep Learning Boost	-	+

Security technologies

Core 2 Quad Q9550s and Core i5-11400H technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q9550s and Core i5-11400H 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 Q9550s and Core i5-11400H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4
Maximum memory size	no data	128 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	51.2 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	On certain motherboards (Chipset feature)	Intel® UHD Graphics for 11th Gen Intel® Processors
Quick Sync Video	-	+
Graphics max frequency	no data	1.45 GHz
Execution Units	no data	16

Graphics interfaces

Available interfaces and connections of Core 2 Quad Q9550s and Core i5-11400H integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by Core 2 Quad Q9550s and Core i5-11400H 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 Q9550s and Core i5-11400H 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 Q9550s and Core i5-11400H.

PCIe version	2.0	4.0
PCI Express lanes	no data	20

Pros & cons summary

---

Recency	27 January 2009	11 May 2021
Physical cores	4	6
Threads	4	12
Chip lithography	45 nm	10 nm
Power consumption (TDP)	65 Watt	35 Watt

---

Should you still have questions on choice between Core 2 Quad Q9550s and Core i5-11400H, 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.

---