Core i9-11900H vs Core 2 Duo E6750

Place in the ranking	2775	592
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	Tiger Lake
Power efficiency	0.93	34.91
Architecture codename	Conroe (2006−2007)	Tiger Lake-H (2021)
Release date	July 2007 (17 years ago)	11 May 2021 (3 years ago)

Detailed specifications

Core 2 Duo E6750 and Core i9-11900H 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	2 (Dual-core)	8 (Octa-Core)
Threads	2	16
Base clock speed	2.66 GHz	2.5 GHz
Boost clock speed	2.67 GHz	4.9 GHz
Bus rate	1333 MHz	8 GT/s
L1 cache	64 KB	96K (per core)
L2 cache	4 MB	1.25 MB (per core)
L3 cache	0 KB	24 MB (shared)
Chip lithography	65 nm	10 nm SuperFin
Die size	143 mm²	no data
Maximum core temperature	72 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	291 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
VID voltage range	0.85V-1.5V	no data

Compatibility

Information on Core 2 Duo E6750 and Core i9-11900H 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	PLGA775	FCBGA1787
Power consumption (TDP)	65 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6750 and Core i9-11900H. 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
Turbo Boost Max 3.0	no data	+
FSB parity	-	no data
Deep Learning Boost	-	+

Security technologies

Core 2 Duo E6750 and Core i9-11900H 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 Duo E6750 and Core i9-11900H 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 Duo E6750 and Core i9-11900H. 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	no data	Intel UHD Graphics for 11th Gen Intel Processors
Quick Sync Video	-	+
Graphics max frequency	no data	1.45 GHz
Execution Units	no data	32

Graphics interfaces

Available interfaces and connections of Core 2 Duo E6750 and Core i9-11900H integrated GPUs.

Number of displays supported

no data

Graphics image quality

Maximum display resolutions supported by Core 2 Duo E6750 and Core i9-11900H 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 Duo E6750 and Core i9-11900H 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 Duo E6750 and Core i9-11900H.

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 Duo E6750 0.64

i9-11900H 12.91
+1917%

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 E6750 1014

i9-11900H 20513
+1923%

Gaming performance

Pros & cons summary

Performance score	0.64	12.91
Physical cores	2	8
Threads	2	16
Chip lithography	65 nm	10 nm
Power consumption (TDP)	65 Watt	35 Watt

i9-11900H has a 1917.2% higher aggregate performance score, 300% more physical cores and 700% more threads, a 550% more advanced lithography process, and 85.7% lower power consumption.

The Core i9-11900H is our recommended choice as it beats the Core 2 Duo E6750 in performance tests.

Note that Core 2 Duo E6750 is a desktop processor while Core i9-11900H is a notebook one.

Should you still have questions on choice between Core 2 Duo E6750 and Core i9-11900H, ask them in Comments section, and we shall answer.