AMD Athlon II X3 405e vs Intel Core 2 Extreme QX9650

Comparative analysis of AMD Athlon II X3 405e and Intel Core 2 Extreme QX9650 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, 3DMark Fire Strike - Physics Score.

AMD Athlon II X3 405e

Intel Core 2 Extreme QX9650

Differences

Reasons to consider the AMD Athlon II X3 405e

CPU is newer: launch date 1 year(s) 10 month(s) later
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
2.9x lower typical power consumption: 45 Watt vs 130 Watt

Launch date	October 2009 vs November 2007
L1 cache	128 KB (per core) vs 256 KB
Thermal Design Power (TDP)	45 Watt vs 130 Watt

Reasons to consider the Intel Core 2 Extreme QX9650

Processor is unlocked, an unlocked multiplier allows for easier overclocking
1 more cores, run more applications at once: 4 vs 3
Around 30% higher clock speed: 3 GHz vs 2.3 GHz
8x more L2 cache, more data can be stored in the L2 cache for quick access later

Unlocked	Unlocked vs Locked
Number of cores	4 vs 3
Maximum frequency	3 GHz vs 2.3 GHz
L2 cache	12288 KB vs 512 KB (per core)

Compare benchmarks

CPU 1: AMD Athlon II X3 405e
CPU 2: Intel Core 2 Extreme QX9650

Name	AMD Athlon II X3 405e	Intel Core 2 Extreme QX9650
PassMark - Single thread mark	973
PassMark - CPU mark	1331
Geekbench 4 - Single Core		465
Geekbench 4 - Multi-Core		1463
3DMark Fire Strike - Physics Score		4864

Compare specifications (specs)

	AMD Athlon II X3 405e	Intel Core 2 Extreme QX9650
Essentials
Architecture codename	Rana	Yorkfield
Launch date	October 2009	November 2007
Launch price (MSRP)	$80
Place in performance rating	2313	2298
Price now	$79.99
Value for money (0-100)	7.46
Vertical segment	Desktop	Desktop
Processor Number		QX9650
Series		Legacy Intel® Core™ Processors
Status		Discontinued
Performance
64 bit support
Die size	169 mm	214 mm2
L1 cache	128 KB (per core)	256 KB
L2 cache	512 KB (per core)	12288 KB
Manufacturing process technology	45 nm	45 nm
Maximum frequency	2.3 GHz	3 GHz
Number of cores	3	4
Transistor count	300 million	820 million
Base frequency		3.00 GHz
Bus Speed		1333 MHz FSB
Maximum case temperature (TCase)		64 °C
Maximum core temperature		64.5°C
Unlocked
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)	45 Watt	130 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)