AMD Phenom II X4 925 vs Intel Core 2 Quad Q9450

Comparative analysis of AMD Phenom II X4 925 and Intel Core 2 Quad Q9450 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 - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - Video Composition (Frames/s).

AMD Phenom II X4 925

Intel Core 2 Quad Q9450

Differences

Reasons to consider the AMD Phenom II X4 925

CPU is newer: launch date 1 year(s) 2 month(s) later
Around 5% higher clock speed: 2.8 GHz vs 2.67 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 2% better performance in PassMark - Single thread mark: 1150 vs 1127
Around 4% better performance in PassMark - CPU mark: 2277 vs 2187
Around 90% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 1.088 vs 0.573
Around 11% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.197 vs 0.177

Specifications (specs)
Launch date	May 2009 vs March 2008
Maximum frequency	2.8 GHz vs 2.67 GHz
L1 cache	128 KB (per core) vs 256 KB
Benchmarks
PassMark - Single thread mark	1150 vs 1127
PassMark - CPU mark	2277 vs 2187
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.088 vs 0.573
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.197 vs 0.177

Reasons to consider the Intel Core 2 Quad Q9450

6x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 13% better performance in Geekbench 4 - Single Core: 403 vs 357
Around 15% better performance in Geekbench 4 - Multi-Core: 1322 vs 1147
3.1x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 31.997 vs 10.457
Around 32% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.249 vs 3.231

Specifications (specs)
L2 cache	12288 KB vs 512 KB (per core)
Benchmarks
Geekbench 4 - Single Core	403 vs 357
Geekbench 4 - Multi-Core	1322 vs 1147
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	31.997 vs 10.457
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.249 vs 3.231

Compare benchmarks

CPU 1: AMD Phenom II X4 925
CPU 2: Intel Core 2 Quad Q9450

PassMark - Single thread mark

CPU 1

CPU 2

1150

1127

PassMark - CPU mark

CPU 1

CPU 2

2277

2187

Geekbench 4 - Single Core

CPU 1

CPU 2

357

403

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1147

1322

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

1.088

0.573

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

10.457

31.997

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.197

0.177

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

3.231

4.249

Name	AMD Phenom II X4 925	Intel Core 2 Quad Q9450
PassMark - Single thread mark	1150	1127
PassMark - CPU mark	2277	2187
Geekbench 4 - Single Core	357	403
Geekbench 4 - Multi-Core	1147	1322
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.088	0.573
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	10.457	31.997
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.197	0.177
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.231	4.249
CompuBench 1.5 Desktop - Video Composition (Frames/s)		1.154

Compare specifications (specs)

	AMD Phenom II X4 925	Intel Core 2 Quad Q9450
Essentials
Architecture codename	Deneb	Yorkfield
Launch date	May 2009	March 2008
Launch price (MSRP)	$160
Place in performance rating	2976	2980
Price now	$43.99	$335
Value for money (0-100)	22.90	3.31
Vertical segment	Desktop	Desktop
Processor Number		Q9450
Series		Legacy Intel® Core™ Processors
Status		Discontinued
Performance
64 bit support
Die size	258 mm	214 mm2
L1 cache	128 KB (per core)	256 KB
L2 cache	512 KB (per core)	12288 KB
L3 cache	6144 KB (shared)
Manufacturing process technology	45 nm	45 nm
Maximum frequency	2.8 GHz	2.67 GHz
Number of cores	4	4
Transistor count	758 million	820 million
Base frequency		2.66 GHz
Bus Speed		1333 MHz FSB
Maximum case temperature (TCase)		71 °C
Maximum core temperature		71.4°C
VID voltage range		0.8500V-1.3625V
Memory
Supported memory types	DDR3	DDR1, DDR2, DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	LGA775
Thermal Design Power (TDP)	95 Watt	95 Watt
Low Halogen Options Available
Package Size		37.5mm x 37.5mm
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
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)