Intel Pentium G645 vs Intel Core i3-2105

Comparative analysis of Intel Pentium G645 and Intel Core i3-2105 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s).

Intel Pentium G645

Intel Core i3-2105

Differences

Reasons to consider the Intel Pentium G645

CPU is newer: launch date 1 year(s) 4 month(s) later

Launch date	September 2012 vs May 2011

Reasons to consider the Intel Core i3-2105

2 more threads: 4 vs 2
Around 7% higher clock speed: 3.1 GHz vs 2.9 GHz
Around 6% better performance in PassMark - Single thread mark: 1419 vs 1342
Around 28% better performance in PassMark - CPU mark: 1846 vs 1438
Around 15% better performance in Geekbench 4 - Single Core: 563 vs 489
Around 41% better performance in Geekbench 4 - Multi-Core: 1241 vs 878

Specifications (specs)
Number of threads	4 vs 2
Maximum frequency	3.1 GHz vs 2.9 GHz
Benchmarks
PassMark - Single thread mark	1419 vs 1342
PassMark - CPU mark	1846 vs 1438
Geekbench 4 - Single Core	563 vs 489
Geekbench 4 - Multi-Core	1241 vs 878

Compare benchmarks

CPU 1: Intel Pentium G645
CPU 2: Intel Core i3-2105

PassMark - Single thread mark

CPU 1

CPU 2

1342

1419

PassMark - CPU mark

CPU 1

CPU 2

1438

1846

Geekbench 4 - Single Core

CPU 1

CPU 2

489

563

Geekbench 4 - Multi-Core

CPU 1

CPU 2

878

1241

Name	Intel Pentium G645	Intel Core i3-2105
PassMark - Single thread mark	1342	1419
PassMark - CPU mark	1438	1846
Geekbench 4 - Single Core	489	563
Geekbench 4 - Multi-Core	878	1241
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	1.806
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		1.961
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		35.598
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.241

Compare specifications (specs)

	Intel Pentium G645	Intel Core i3-2105
Essentials
Architecture codename	Sandy Bridge	Sandy Bridge
Launch date	September 2012	May 2011
Launch price (MSRP)	$80	$145
Place in performance rating	2595	2607
Price now	$95	$79.99
Processor Number	G645	i3-2105
Series	Legacy Intel® Pentium® Processor	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	8.01	13.64
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.90 GHz	3.10 GHz
Bus Speed	5 GT/s DMI	5 GT/s DMI
Die size	131 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	3072 KB (shared)	3072 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	69.1°C	69.1°C
Maximum frequency	2.9 GHz	3.1 GHz
Number of cores	2	2
Number of threads	2	4
Transistor count	504 million
Memory
Max memory channels	2	2
Maximum memory bandwidth	17 GB/s	21 GB/s
Maximum memory size	32 GB	32 GB
Supported memory types	DDR3 1066	DDR3 1066/1333
Graphics
Graphics base frequency	850 MHz	850 MHz
Graphics max dynamic frequency	1.10 GHz	1.10 GHz
Graphics max frequency	1.1 GHz	1.1 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics	Intel HD Graphics	Intel® HD Graphics 3000
Device ID		0x112
Graphics interfaces
Number of displays supported	2	2
Wireless Display (WiDi) support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA1155	FCLGA1155
Thermal Design Power (TDP)	65 Watt	65 Watt
Peripherals
PCI Express revision	2.0	2.0
Max number of PCIe lanes		16
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Intel® Identity Protection technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)