Intel Core 2 Quad Q9550 vs Intel Pentium D 950

Comparative analysis of Intel Core 2 Quad Q9550 and Intel Pentium D 950 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Memory. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 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 Q9550

Intel Pentium D 950

Differences

Reasons to consider the Intel Core 2 Quad Q9550

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
Around 37% lower typical power consumption: 95 Watt vs 130 Watt
Around 75% better performance in PassMark - Single thread mark: 1216 vs 695
3.5x better performance in PassMark - CPU mark: 2351 vs 681
Around 87% better performance in Geekbench 4 - Single Core: 412 vs 220
3.3x better performance in Geekbench 4 - Multi-Core: 1299 vs 389

Specifications (specs)
Number of cores	4 vs 2
Manufacturing process technology	45 nm vs 65 nm
Thermal Design Power (TDP)	95 Watt vs 130 Watt
Benchmarks
PassMark - Single thread mark	1216 vs 695
PassMark - CPU mark	2351 vs 681
Geekbench 4 - Single Core	412 vs 220
Geekbench 4 - Multi-Core	1299 vs 389

Compare benchmarks

CPU 1: Intel Core 2 Quad Q9550
CPU 2: Intel Pentium D 950

PassMark - Single thread mark

CPU 1

CPU 2

1216

695

PassMark - CPU mark

CPU 1

CPU 2

2351

681

Geekbench 4 - Single Core

CPU 1

CPU 2

412

220

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1299

389

Name	Intel Core 2 Quad Q9550	Intel Pentium D 950
PassMark - Single thread mark	1216	695
PassMark - CPU mark	2351	681
Geekbench 4 - Single Core	412	220
Geekbench 4 - Multi-Core	1299	389
3DMark Fire Strike - Physics Score	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.612
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	30.904
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.175
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.258
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.476

Compare specifications (specs)

	Intel Core 2 Quad Q9550	Intel Pentium D 950
Essentials
Architecture codename	Yorkfield	Presler
Launch date	Q1'08	January 2006
Place in performance rating	3021	3046
Processor Number	Q9550	950
Series	Legacy Intel® Core™ Processors	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.83 GHz	3.40 GHz
Bus Speed	1333 MHz FSB	800 MHz FSB
Die size	214 mm2	162 mm2
Manufacturing process technology	45 nm	65 nm
Maximum core temperature	71.4°C	C1+D0=63.4°C, B1=68.6°C
Number of cores	4	2
Transistor count	820 million	376 million
VID voltage range	0.8500V-1.3625V	1.200V-1.3375V
L1 cache		28 KB
L2 cache		4096 KB
Maximum frequency		3.4 GHz
Compatibility
Low Halogen Options Available
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	LGA775	PLGA775
Thermal Design Power (TDP)	95 Watt	130 Watt
Max number of CPUs in a configuration		2
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)
Memory
Supported memory types		DDR1, DDR2, DDR3