Celeron B830 vs Pentium G645

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Aggregate performance score

Pentium G645
2012
2 cores / 2 threads, 65 Watt
0.90
+66.7%
Celeron B830
2012
2 cores / 2 threads, 35 Watt
0.54

Pentium G645 outperforms Celeron B830 by an impressive 67% based on our aggregate benchmark results.

Primary details

Comparing Pentium G645 and Celeron B830 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking25492852
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.06no data
Market segmentDesktop processorLaptop
Seriesno dataIntel Celeron
Power efficiency1.311.46
Architecture codenameSandy Bridge (2011−2013)Sandy Bridge (2011−2013)
Release date2 September 2012 (12 years ago)1 September 2012 (12 years ago)
Launch price (MSRP)$80$86

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium G645 and Celeron B830 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)2 (Dual-core)
Threads22
Base clock speed2.9 GHz1.8 GHz
Boost clock speed2.9 GHz1.8 GHz
Bus typeno dataDMI 2.0
Bus rate5 GT/s4 × 5 GT/s
Multiplierno data18
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)256K (per core)
L3 cache3 MB (shared)2 MB (shared)
Chip lithography32 nm32 nm
Die size131 mm2131 mm2
Maximum core temperature69 °C100 °C
Number of transistors504 million504 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Pentium G645 and Celeron B830 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 (Uniprocessor)
SocketFCLGA1155FCPGA988,PGA988
Power consumption (TDP)65 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G645 and Celeron B830. 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
AES-NI+-
FMA-+
AVX+-
Enhanced SpeedStep (EIST)++
My WiFino data-
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States++
Thermal Monitoring++
Flex Memory Access++
Demand Based Switchingno data-
FDI++
Fast Memory Access++

Security technologies

Pentium G645 and Celeron B830 technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Anti-Theftno data-

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium G645 and Celeron B830 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium G645 and Celeron B830. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size32 GB16 GB
Max memory channels22
Maximum memory bandwidth17 GB/s21.335 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics for 2nd Generation Intel ProcessorsIntel HD Graphics for 2nd Generation Intel Processors
Clear Video HD--
Graphics max frequency1.1 GHz1.05 GHz
InTru 3D--

Graphics interfaces

Available interfaces and connections of Pentium G645 and Celeron B830 integrated GPUs.

Number of displays supported22
eDPno data+
DisplayPort-+
HDMI-+
SDVOno data+
CRTno data+

Peripherals

Specifications and connection of peripherals supported by Pentium G645 and Celeron B830.

PCIe version2.02.0
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 G645 0.90
+66.7%
Celeron B830 0.54

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 G645 1429
+66.6%
Celeron B830 858

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.

Pentium G645 454
+75.3%
Celeron B830 259

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.

Pentium G645 773
+72.2%
Celeron B830 449

Gaming performance

Pros & cons summary


Performance score 0.90 0.54
Power consumption (TDP) 65 Watt 35 Watt

Pentium G645 has a 66.7% higher aggregate performance score.

Celeron B830, on the other hand, has 85.7% lower power consumption.

The Pentium G645 is our recommended choice as it beats the Celeron B830 in performance tests.

Note that Pentium G645 is a desktop processor while Celeron B830 is a notebook one.


Should you still have questions on choice between Pentium G645 and Celeron B830, ask them in Comments section, and we shall answer.

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Intel Pentium G645
Pentium G645
Intel Celeron B830
Celeron B830

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Community ratings

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Questions & comments

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