Intel Core 2 Quad Q6600 (105W) vs Intel Pentium D 945

Comparative analysis of Intel Core 2 Quad Q6600 (105W) and Intel Pentium D 945 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, 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), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Core 2 Quad Q6600 (105W)

Intel Pentium D 945

Differences

Reasons to consider the Intel Core 2 Quad Q6600 (105W)

CPU is newer: launch date 6 month(s) later
2 more cores, run more applications at once: 4 vs 2
9.1x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 50% better performance in Geekbench 4 - Single Core: 330 vs 220
2.6x better performance in Geekbench 4 - Multi-Core: 1019 vs 389

Specifications (specs)
Launch date	January 2007 vs July 2006
Number of cores	4 vs 2
L1 cache	256 KB vs 28 KB
L2 cache	8192 KB vs 4096 KB
Benchmarks
Geekbench 4 - Single Core	330 vs 220
Geekbench 4 - Multi-Core	1019 vs 389

Reasons to consider the Intel Pentium D 945

Around 42% higher clock speed: 3.4 GHz vs 2.4 GHz
Around 11% lower typical power consumption: 95 Watt vs 105 Watt

Maximum frequency	3.4 GHz vs 2.4 GHz
Max number of CPUs in a configuration	2 vs 1
Thermal Design Power (TDP)	95 Watt vs 105 Watt

Compare benchmarks

CPU 1: Intel Core 2 Quad Q6600 (105W)
CPU 2: Intel Pentium D 945

Geekbench 4 - Single Core

CPU 1

CPU 2

330

220

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1019

389

Name	Intel Core 2 Quad Q6600 (105W)	Intel Pentium D 945
Geekbench 4 - Single Core	330	220
Geekbench 4 - Multi-Core	1019	389
3DMark Fire Strike - Physics Score	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.522
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	24.255
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.138
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.748
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.829

Compare specifications (specs)

	Intel Core 2 Quad Q6600 (105W)	Intel Pentium D 945
Essentials
Architecture codename	Kentsfield	Presler
Launch date	January 2007	July 2006
Place in performance rating	3279	3270
Processor Number	Q6600	945
Series	Legacy Intel® Core™ Processors	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.40 GHz	3.40 GHz
Bus Speed	1066 MHz FSB	800 MHz FSB
Die size	286 mm2	162 mm2
L1 cache	256 KB	28 KB
L2 cache	8192 KB	4096 KB
Manufacturing process technology	65 nm	65 nm
Maximum case temperature (TCase)	71 °C
Maximum core temperature	B3=62.2°C; G0=71°C	63.4°C
Maximum frequency	2.4 GHz	3.4 GHz
Number of cores	4	2
Transistor count	582 million	376 million
VID voltage range	0.8500V-1.500V	1.200V-1.3375V
Memory
Supported memory types	DDR1, DDR2, DDR3	DDR1, DDR2, DDR3
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	LGA775	PLGA775
Thermal Design Power (TDP)	105 Watt	95 Watt
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
FSB parity
Idle States
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Physical Address Extensions (PAE)		32-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)