i5-1155G7 vs i3-2105

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Aggregate performance score

Core i3-2105
2011
2 cores / 4 threads, 65 Watt
1.20
Core i5-1155G7
2021
4 cores / 8 threads, 28 Watt
6.60
+450%

Core i5-1155G7 outperforms Core i3-2105 by a whopping 450% based on our aggregate benchmark results.

Primary details

Comparing Core i3-2105 and Core i5-1155G7 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking23601047
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.07no data
Market segmentDesktop processorLaptop
Seriesno dataTiger Lake
Power efficiency1.6821.49
Architecture codenameSandy Bridge (2011−2013)Tiger Lake-UP3 (2020−2021)
Release date22 May 2011 (13 years ago)31 May 2021 (3 years ago)
Launch price (MSRP)$145no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i3-2105 and Core i5-1155G7 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 cores2 (Dual-core)4 (Quad-Core)
Threads48
Base clock speed3.1 GHz2.5 GHz
Boost clock speed3.1 GHz4.5 GHz
Bus rate5 GT/s4 GT/s
L1 cache64 KB (per core)96K (per core)
L2 cache256 KB (per core)1.25 MB (per core)
L3 cache3 MB (shared)8 MB (shared)
Chip lithography32 nm10 nm SuperFin
Maximum core temperature69 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Core i3-2105 and Core i5-1155G7 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 configuration11
SocketFCLGA1155FCBGA1449
Power consumption (TDP)65 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-2105 and Core i5-1155G7. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVXIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI-+
FMA-+
AVX-+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology-2.0
Hyper-Threading Technology++
TSX-+
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
FDI+no data
Fast Memory Access+no data
Deep Learning Boost-+

Security technologies

Core i3-2105 and Core i5-1155G7 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB+no data
Identity Protection+-
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-2105 and Core i5-1155G7 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 i5-1155G7. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4
Maximum memory size32 GB64 GB
Max memory channels22
Maximum memory bandwidth21 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000Intel® Iris® Xe Graphics eligible
Quick Sync Video++
Clear Video HD++
Graphics max frequency1.1 GHz1.35 GHz
Execution Unitsno data80
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i3-2105 and Core i5-1155G7 integrated GPUs.

Number of displays supported24

Graphics image quality

Maximum display resolutions supported by Core i3-2105 and Core i5-1155G7 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096x2304@60Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data7680x4320@60Hz

Graphics API support

APIs supported by Core i3-2105 and Core i5-1155G7 integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Core i3-2105 and Core i5-1155G7.

PCIe version2.04.0
PCI Express lanes1616

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
i5-1155G7 6.60
+450%

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
i5-1155G7 10108
+450%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i3-2105 482
i5-1155G7 1739
+261%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i3-2105 983
i5-1155G7 4835
+392%

Gaming performance

Pros & cons summary


Performance score 1.20 6.60
Recency 22 May 2011 31 May 2021
Physical cores 2 4
Threads 4 8
Chip lithography 32 nm 10 nm
Power consumption (TDP) 65 Watt 28 Watt

i5-1155G7 has a 450% higher aggregate performance score, an age advantage of 10 years, 100% more physical cores and 100% more threads, a 220% more advanced lithography process, and 132.1% lower power consumption.

The Core i5-1155G7 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 i5-1155G7 is a notebook one.


Should you still have questions on choice between Core i3-2105 and Core i5-1155G7, ask them in Comments section, and we shall answer.

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Intel Core i3-2105
Core i3-2105
Intel Core i5-1155G7
Core i5-1155G7

Similar processor comparisons

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Community ratings

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Questions & comments

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