Intel Core 2 Extreme QX9775 vs Intel Pentium Dual-Core E2220

Comparative analysis of Intel Core 2 Extreme QX9775 and Intel Pentium Dual-Core E2220 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).

Intel Core 2 Extreme QX9775

Intel Pentium Dual-Core E2220

Differences

Reasons to consider the Intel Core 2 Extreme QX9775

2 more cores, run more applications at once: 4 vs 2
Around 33% higher clock speed: 3.2 GHz vs 2.4 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
12x more L2 cache, more data can be stored in the L2 cache for quick access later

Number of cores	4 vs 2
Maximum frequency	3.2 GHz vs 2.4 GHz
Manufacturing process technology	45 nm vs 65 nm
L2 cache	12288 KB vs 1024 KB (shared)

Reasons to consider the Intel Pentium Dual-Core E2220

Around 16% higher maximum core temperature: 73.3°C vs 63°C
2.3x lower typical power consumption: 65 Watt vs 150 Watt

Maximum core temperature	73.3°C vs 63°C
Thermal Design Power (TDP)	65 Watt vs 150 Watt

Compare benchmarks

CPU 1: Intel Core 2 Extreme QX9775
CPU 2: Intel Pentium Dual-Core E2220

Name	Intel Core 2 Extreme QX9775	Intel Pentium Dual-Core E2220
PassMark - Single thread mark		915
PassMark - CPU mark		842
Geekbench 4 - Single Core		299
Geekbench 4 - Multi-Core		507
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		0.258
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		8.304
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.07

Compare specifications (specs)

	Intel Core 2 Extreme QX9775	Intel Pentium Dual-Core E2220
Essentials
Architecture codename	Yorkfield	Conroe
Launch date	March 2008	March 2008
Place in performance rating	not rated	3146
Processor Number	QX9775	E2220
Series	Legacy Intel® Core™ Processors	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.20 GHz	2.40 GHz
Bus Speed	1600 MHz FSB	800 MHz FSB
Die size	214 mm2	77 mm2
L1 cache	128 KB	64 KB (per core)
L2 cache	12288 KB	1024 KB (shared)
Manufacturing process technology	45 nm	65 nm
Maximum case temperature (TCase)	63 °C
Maximum core temperature	63°C	73.3°C
Maximum frequency	3.2 GHz	2.4 GHz
Number of cores	4	2
Transistor count	820 million	105 million
VID voltage range	0.850V-1.3500V	0.8500V-1.5V
Memory
Supported memory types	DDR2	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	LGA771	LGA775
Thermal Design Power (TDP)	150 Watt	65 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
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)