Intel Pentium G620 vs Intel Pentium D 945

Comparative analysis of Intel Pentium G620 and Intel Pentium D 945 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 - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s).

Intel Pentium G620

Intel Pentium D 945

Differences

Reasons to consider the Intel Pentium G620

CPU is newer: launch date 4 year(s) 10 month(s) later
Around 9% higher maximum core temperature: 69.1°C vs 63.4°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 65 nm
4.6x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 46% lower typical power consumption: 65 Watt vs 95 Watt
2.1x better performance in Geekbench 4 - Single Core: 458 vs 220
2.1x better performance in Geekbench 4 - Multi-Core: 832 vs 389

Specifications (specs)
Launch date	May 2011 vs July 2006
Maximum core temperature	69.1°C vs 63.4°C
Manufacturing process technology	32 nm vs 65 nm
L1 cache	64 KB (per core) vs 28 KB
Thermal Design Power (TDP)	65 Watt vs 95 Watt
Benchmarks
Geekbench 4 - Single Core	458 vs 220
Geekbench 4 - Multi-Core	832 vs 389

Reasons to consider the Intel Pentium D 945

Around 31% higher clock speed: 3.4 GHz vs 2.6 GHz
8x more L2 cache, more data can be stored in the L2 cache for quick access later

Maximum frequency	3.4 GHz vs 2.6 GHz
L2 cache	4096 KB vs 256 KB (per core)
Max number of CPUs in a configuration	2 vs 1

Compare benchmarks

CPU 1: Intel Pentium G620
CPU 2: Intel Pentium D 945

Geekbench 4 - Single Core

CPU 1

CPU 2

458

220

Geekbench 4 - Multi-Core

CPU 1

CPU 2

832

389

Name	Intel Pentium G620	Intel Pentium D 945
PassMark - Single thread mark	1176
PassMark - CPU mark	1217
Geekbench 4 - Single Core	458	220
Geekbench 4 - Multi-Core	832	389
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.11
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	26.661
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	1.599
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.174
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.831

Compare specifications (specs)

	Intel Pentium G620	Intel Pentium D 945
Essentials
Architecture codename	Sandy Bridge	Presler
Launch date	May 2011	July 2006
Launch price (MSRP)	$60
Place in performance rating	3014	3281
Price now	$24.99
Processor Number	G620	945
Series	Legacy Intel® Pentium® Processor	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Value for money (0-100)	27.01
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.60 GHz	3.40 GHz
Bus Speed	5 GT/s DMI	800 MHz FSB
Die size	131 mm	162 mm2
L1 cache	64 KB (per core)	28 KB
L2 cache	256 KB (per core)	4096 KB
L3 cache	3072 KB (shared)
Manufacturing process technology	32 nm	65 nm
Maximum core temperature	69.1°C	63.4°C
Maximum frequency	2.6 GHz	3.4 GHz
Number of cores	2	2
Number of threads	2
Transistor count	504 million	376 million
VID voltage range		1.200V-1.3375V
Memory
Max memory channels	2
Maximum memory bandwidth	17 GB/s
Maximum memory size	32 GB
Supported memory types	DDR3 1066	DDR1, DDR2, DDR3
Graphics
Graphics base frequency	850 MHz
Graphics max dynamic frequency	1.10 GHz
Graphics max frequency	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
Graphics interfaces
Number of displays supported	2
Wireless Display (WiDi) support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA1155	PLGA775
Thermal Design Power (TDP)	65 Watt	95 Watt
Peripherals
PCI Express revision	2.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2
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
FSB parity
Intel® Demand Based Switching
Physical Address Extensions (PAE)		32-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)