Intel Core 2 Quad Q9400 vs Intel Pentium Dual-Core E2140

Comparative analysis of Intel Core 2 Quad Q9400 and Intel Pentium Dual-Core E2140 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, 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 Q9400

Intel Pentium Dual-Core E2140

Differences

Reasons to consider the Intel Core 2 Quad Q9400

CPU is newer: launch date 1 year(s) 2 month(s) later
2 more cores, run more applications at once: 4 vs 2
Around 67% higher clock speed: 2.67 GHz vs 1.6 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
2x more L1 cache, more data can be stored in the L1 cache for quick access later
6x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 90% better performance in PassMark - Single thread mark: 1138 vs 599
3.9x better performance in PassMark - CPU mark: 2125 vs 539
Around 98% better performance in Geekbench 4 - Single Core: 376 vs 190
3.6x better performance in Geekbench 4 - Multi-Core: 1151 vs 321

Specifications (specs)
Launch date	August 2008 vs June 2007
Number of cores	4 vs 2
Maximum frequency	2.67 GHz vs 1.6 GHz
Manufacturing process technology	45 nm vs 65 nm
L1 cache	256 KB vs 64 KB (per core)
L2 cache	6144 KB vs 1024 KB (shared)
Benchmarks
PassMark - Single thread mark	1138 vs 599
PassMark - CPU mark	2125 vs 539
Geekbench 4 - Single Core	376 vs 190
Geekbench 4 - Multi-Core	1151 vs 321

Reasons to consider the Intel Pentium Dual-Core E2140

Around 46% lower typical power consumption: 65 Watt vs 95 Watt

Thermal Design Power (TDP)	65 Watt vs 95 Watt

Compare benchmarks

CPU 1: Intel Core 2 Quad Q9400
CPU 2: Intel Pentium Dual-Core E2140

PassMark - Single thread mark

CPU 1

CPU 2

1138

599

PassMark - CPU mark

CPU 1

CPU 2

2125

539

Geekbench 4 - Single Core

CPU 1

CPU 2

376

190

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1151

321

Name	Intel Core 2 Quad Q9400	Intel Pentium Dual-Core E2140
PassMark - Single thread mark	1138	599
PassMark - CPU mark	2125	539
Geekbench 4 - Single Core	376	190
Geekbench 4 - Multi-Core	1151	321
3DMark Fire Strike - Physics Score	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.574
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	26.509
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.136
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.094
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.189

Compare specifications (specs)

	Intel Core 2 Quad Q9400	Intel Pentium Dual-Core E2140
Essentials
Architecture codename	Yorkfield	Conroe
Launch date	August 2008	June 2007
Place in performance rating	3116	3128
Price now	$33.98
Processor Number	Q9400	E2140
Series	Legacy Intel® Core™ Processors	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Value for money (0-100)	28.99
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.66 GHz	1.60 GHz
Bus Speed	1333 MHz FSB	800 MHz FSB
Die size	164 mm2	77 mm2
L1 cache	256 KB	64 KB (per core)
L2 cache	6144 KB	1024 KB (shared)
Manufacturing process technology	45 nm	65 nm
Maximum case temperature (TCase)	71 °C
Maximum core temperature	71.4°C	L2=61.4°C; G0+M0=73.3°C
Maximum frequency	2.67 GHz	1.6 GHz
Number of cores	4	2
Transistor count	456 million	105 million
VID voltage range	0.8500V-1.3625V	0.8500V-1.5V
Memory
Supported memory types	DDR1, DDR2, DDR3	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	LGA775	LGA775, PLGA775
Thermal Design Power (TDP)	95 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)