i3-11100B vs Pentium G840

Aggregate performance score

Pentium G840
2011
2 cores / 2 threads, 65 Watt
0.80
Core i3-11100B
2021
4 cores / 8 threads, 65 Watt
7.15
+794%

Core i3-11100B outperforms Pentium G840 by a whopping 794% based on our aggregate benchmark results.

Primary details

Comparing Pentium G840 and Core i3-11100B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2606989
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.61no data
Market segmentDesktop processorLaptop
Power efficiency1.1610.41
Architecture codenameSandy Bridge (2011−2013)no data
Release date22 May 2011 (13 years ago)1 April 2021 (3 years ago)
Launch price (MSRP)$60no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium G840 and Core i3-11100B 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)
Threads28
Base clock speed2.8 GHz3.6 GHz
Boost clock speed2.8 GHz4.4 GHz
Bus rateno data8 GT/s
L1 cache64 KB (per core)no data
L2 cache256 KB (per core)no data
L3 cache3 MB (shared)12 MB
Chip lithography32 nm10 nm SuperFin
Die size131 mm2no data
Maximum core temperature69 °C100 °C
Number of transistors504 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Pentium G840 and Core i3-11100B 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
SocketFCLGA1155no data
Power consumption (TDP)65 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G840 and Core i3-11100B. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX+-
vProno data-
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology-no data
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring++
Flex Memory Access++
SIPP-+
Turbo Boost Max 3.0no data+
FDI+no data
Fast Memory Access+no data
Deep Learning Boost-+

Security technologies

Pentium G840 and Core i3-11100B technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Secure Keyno data+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium G840 and Core i3-11100B are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium G840 and Core i3-11100B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3Up to 3200 MT/s
Maximum memory size32 GB128 GB
Max memory channels22
Maximum memory bandwidth21 GB/s45.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for 2nd Generation Intel® ProcessorsIntel® UHD Graphics for 11th Gen Intel® Processors
Quick Sync Video-+
Graphics max frequency1.1 GHz1.4 GHz
Execution Unitsno data16

Graphics interfaces

Available interfaces and connections of Pentium G840 and Core i3-11100B integrated GPUs.

Number of displays supported24
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Pentium G840 and Core i3-11100B integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096 x 2304@30Hz
Max resolution over eDPno data4096 x 2304@60Hz
Max resolution over DisplayPortno data4096 x 2304@60Hz

Graphics API support

APIs supported by Pentium G840 and Core i3-11100B integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Pentium G840 and Core i3-11100B.

PCIe version2.03.0
PCI Express lanesno data16

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.

Pentium G840 0.80
i3-11100B 7.15
+794%

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.

Pentium G840 1264
i3-11100B 11357
+798%

Gaming performance

Pros & cons summary


Performance score 0.80 7.15
Recency 22 May 2011 1 April 2021
Physical cores 2 4
Threads 2 8
Chip lithography 32 nm 10 nm

i3-11100B has a 793.8% higher aggregate performance score, an age advantage of 9 years, 100% more physical cores and 300% more threads, and a 220% more advanced lithography process.

The Core i3-11100B is our recommended choice as it beats the Pentium G840 in performance tests.

Note that Pentium G840 is a desktop processor while Core i3-11100B is a notebook one.


Should you still have questions on choice between Pentium G840 and Core i3-11100B, ask them in Comments section, and we shall answer.

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Intel Pentium G840
Pentium G840
Intel Core i3-11100B
Core i3-11100B

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Community ratings

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Questions & comments

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