Core i5-11400 vs Core 2 Quad Q9100

Place in the ranking	2325	723
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Core 2 Quad	no data
Power efficiency	2.53	15.59
Architecture codename	Penryn (2008−2011)	Rocket Lake (2021)
Release date	August 2008 (16 years ago)	16 March 2021 (3 years ago)

Detailed specifications

Core 2 Quad Q9100 and Core i5-11400 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	2.26 GHz	2.6 GHz
Boost clock speed	2.26 GHz	4.4 GHz
Bus rate	1066 MHz	8 GT/s
L1 cache	64 KB	64K (per core)
L2 cache	6 MB (per die)	256K (per core)
L3 cache	0 KB	12 MB (shared)
Chip lithography	45 nm	14 nm
Die size	2x 107 mm²	no data
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	-	+
VID voltage range	1.05V-1.175V	no data

Compatibility

Information on Core 2 Quad Q9100 and Core i5-11400 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	2	1
Socket	PGA478	FCLGA1200
Power consumption (TDP)	45 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9100 and Core i5-11400. 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	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
TSX	-	+
Idle States	no data	+
Thermal Monitoring	-	+
Demand Based Switching	-	no data
Turbo Boost Max 3.0	no data	-
AMT	+	no data
FSB parity	-	no data
Deep Learning Boost	-	+

Security technologies

Core 2 Quad Q9100 and Core i5-11400 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q9100 and Core i5-11400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9100 and Core i5-11400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR4-3200
Maximum memory size	no data	128 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	50 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel UHD Graphics 730
Max video memory	no data	64 GB
Quick Sync Video	-	+
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.3 GHz
Execution Units	no data	24
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Core 2 Quad Q9100 and Core i5-11400 integrated GPUs.

Number of displays supported

no data

Graphics image quality

Maximum display resolutions supported by Core 2 Quad Q9100 and Core i5-11400 integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096x2160@60Hz
Max resolution over eDP	no data	5120 x 3200 @60Hz
Max resolution over DisplayPort	no data	5120 x 3200 @60Hz

Graphics API support

APIs supported by Core 2 Quad Q9100 and Core i5-11400 integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q9100 and Core i5-11400.

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.

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 Quad Q9100 1.25

i5-11400 11.11
+789%

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 Quad Q9100 1915

i5-11400 17003
+788%

Gaming performance

Pros & cons summary

Performance score	1.25	11.11
Physical cores	4	6
Threads	4	12
Chip lithography	45 nm	14 nm
Power consumption (TDP)	45 Watt	65 Watt

Core 2 Quad Q9100 has 44.4% lower power consumption.

i5-11400, on the other hand, has a 788.8% higher aggregate performance score, 50% more physical cores and 200% more threads, and a 221.4% more advanced lithography process.

The Core i5-11400 is our recommended choice as it beats the Core 2 Quad Q9100 in performance tests.

Be aware that Core 2 Quad Q9100 is a notebook processor while Core i5-11400 is a desktop one.

Should you still have questions on choice between Core 2 Quad Q9100 and Core i5-11400, ask them in Comments section, and we shall answer.