i9-11900H vs i3-2105

Place in the ranking	2363	579
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.07	no data
Market segment	Desktop processor	Laptop
Series	no data	Tiger Lake
Power efficiency	1.68	35.02
Architecture codename	Sandy Bridge (2011−2013)	Tiger Lake-H (2021)
Release date	22 May 2011 (13 years ago)	11 May 2021 (3 years ago)
Launch price (MSRP)	$145	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i3-2105 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	4	16
Base clock speed	3.1 GHz	2.5 GHz
Boost clock speed	3.1 GHz	4.9 GHz
Bus rate	5 GT/s	8 GT/s
L1 cache	64 KB (per core)	96K (per core)
L2 cache	256 KB (per core)	1.25 MB (per core)
L3 cache	3 MB (shared)	24 MB (shared)
Chip lithography	32 nm	10 nm SuperFin
Maximum core temperature	69 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Core i3-2105 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	FCLGA1155	FCBGA1787
Power consumption (TDP)	65 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-2105 and Core i9-11900H. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	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	+	+
Turbo Boost Max 3.0	no data	+
FDI	+	no data
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Core i3-2105 and Core i9-11900H technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-2105 and Core i9-11900H are enumerated here.

VT-d	-	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-2105 and Core i9-11900H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	32 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	21 GB/s	51.2 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 3000	Intel® UHD Graphics for 11th Gen Intel® Processors
Quick Sync Video	+	+
Clear Video HD	+	no data
Graphics max frequency	1.1 GHz	1.45 GHz
Execution Units	no data	32
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i3-2105 and Core i9-11900H integrated GPUs.

Number of displays supported

Graphics image quality

Maximum display resolutions supported by Core i3-2105 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 i3-2105 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 i3-2105 and Core i9-11900H.

PCIe version	2.0	4.0
PCI Express lanes	16	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.

i3-2105 1.20

i9-11900H 13.44
+1020%

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.

i3-2105 1837

i9-11900H 20561
+1019%

Gaming performance

Pros & cons summary

Performance score	1.20	13.44
Recency	22 May 2011	11 May 2021
Physical cores	2	8
Threads	4	16
Chip lithography	32 nm	10 nm
Power consumption (TDP)	65 Watt	35 Watt

i9-11900H has a 1020% higher aggregate performance score, an age advantage of 9 years, 300% more physical cores and 300% more threads, a 220% more advanced lithography process, and 85.7% lower power consumption.

The Core i9-11900H is our recommended choice as it beats the Core i3-2105 in performance tests.

Note that Core i3-2105 is a desktop processor while Core i9-11900H is a notebook one.

Should you still have questions on choice between Core i3-2105 and Core i9-11900H, ask them in Comments section, and we shall answer.