Intel Core 2 Quad Q9450 vs Intel Pentium D 950

Comparative analysis of Intel Core 2 Quad Q9450 and Intel Pentium D 950 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, 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 - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Core 2 Quad Q9450

Intel Pentium D 950

Differences

Reasons to consider the Intel Core 2 Quad Q9450

CPU is newer: launch date 2 year(s) 1 month(s) later
2 more cores, run more applications at once: 4 vs 2
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
9.1x more L1 cache, more data can be stored in the L1 cache for quick access later
3x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 37% lower typical power consumption: 95 Watt vs 130 Watt
Around 62% better performance in PassMark - Single thread mark: 1127 vs 695
3.2x better performance in PassMark - CPU mark: 2187 vs 681
Around 83% better performance in Geekbench 4 - Single Core: 403 vs 220
3.4x better performance in Geekbench 4 - Multi-Core: 1322 vs 389

Specifications (specs)
Launch date	March 2008 vs January 2006
Number of cores	4 vs 2
Manufacturing process technology	45 nm vs 65 nm
L1 cache	256 KB vs 28 KB
L2 cache	12288 KB vs 4096 KB
Thermal Design Power (TDP)	95 Watt vs 130 Watt
Benchmarks
PassMark - Single thread mark	1127 vs 695
PassMark - CPU mark	2187 vs 681
Geekbench 4 - Single Core	403 vs 220
Geekbench 4 - Multi-Core	1322 vs 389

Reasons to consider the Intel Pentium D 950

Around 27% higher clock speed: 3.4 GHz vs 2.67 GHz

Maximum frequency	3.4 GHz vs 2.67 GHz
Max number of CPUs in a configuration	2 vs 1

Compare benchmarks

CPU 1: Intel Core 2 Quad Q9450
CPU 2: Intel Pentium D 950

PassMark - Single thread mark

CPU 1

CPU 2

1127

695

PassMark - CPU mark

CPU 1

CPU 2

2187

681

Geekbench 4 - Single Core

CPU 1

CPU 2

403

220

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1322

389

Name	Intel Core 2 Quad Q9450	Intel Pentium D 950
PassMark - Single thread mark	1127	695
PassMark - CPU mark	2187	681
Geekbench 4 - Single Core	403	220
Geekbench 4 - Multi-Core	1322	389
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.573
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	31.997
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.177
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.154
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.249

Compare specifications (specs)

	Intel Core 2 Quad Q9450	Intel Pentium D 950
Essentials
Architecture codename	Yorkfield	Presler
Launch date	March 2008	January 2006
Place in performance rating	2980	3051
Price now	$335
Processor Number	Q9450	950
Series	Legacy Intel® Core™ Processors	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Value for money (0-100)	3.31
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.66 GHz	3.40 GHz
Bus Speed	1333 MHz FSB	800 MHz FSB
Die size	214 mm2	162 mm2
L1 cache	256 KB	28 KB
L2 cache	12288 KB	4096 KB
Manufacturing process technology	45 nm	65 nm
Maximum case temperature (TCase)	71 °C
Maximum core temperature	71.4°C	C1+D0=63.4°C, B1=68.6°C
Maximum frequency	2.67 GHz	3.4 GHz
Number of cores	4	2
Transistor count	820 million	376 million
VID voltage range	0.8500V-1.3625V	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)	95 Watt	130 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)