Intel Core 2 Duo E7400 vs Intel Pentium Dual-Core E2140

Comparative analysis of Intel Core 2 Duo E7400 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, 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 Duo E7400

Intel Pentium Dual-Core E2140

Differences

Reasons to consider the Intel Core 2 Duo E7400

CPU is newer: launch date 1 year(s) 3 month(s) later
Around 75% higher clock speed: 2.8 GHz vs 1.6 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
3x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 85% better performance in PassMark - Single thread mark: 1108 vs 599
Around 91% better performance in PassMark - CPU mark: 1027 vs 539
Around 98% better performance in Geekbench 4 - Single Core: 377 vs 190
2x better performance in Geekbench 4 - Multi-Core: 646 vs 321

Specifications (specs)
Launch date	October 2008 vs June 2007
Maximum frequency	2.8 GHz vs 1.6 GHz
Manufacturing process technology	45 nm vs 65 nm
L2 cache	3072 KB vs 1024 KB (shared)
Benchmarks
PassMark - Single thread mark	1108 vs 599
PassMark - CPU mark	1027 vs 539
Geekbench 4 - Single Core	377 vs 190
Geekbench 4 - Multi-Core	646 vs 321

Reasons to consider the Intel Pentium Dual-Core E2140

2x more L1 cache, more data can be stored in the L1 cache for quick access later

L1 cache	64 KB (per core) vs 64 KB

Compare benchmarks

CPU 1: Intel Core 2 Duo E7400
CPU 2: Intel Pentium Dual-Core E2140

PassMark - Single thread mark

CPU 1

CPU 2

1108

599

PassMark - CPU mark

CPU 1

CPU 2

1027

539

Geekbench 4 - Single Core

CPU 1

CPU 2

377

190

Geekbench 4 - Multi-Core

CPU 1

CPU 2

646

321

Name	Intel Core 2 Duo E7400	Intel Pentium Dual-Core E2140
PassMark - Single thread mark	1108	599
PassMark - CPU mark	1027	539
Geekbench 4 - Single Core	377	190
Geekbench 4 - Multi-Core	646	321
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.307
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	19.088
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.081
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.639
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.262

Compare specifications (specs)

	Intel Core 2 Duo E7400	Intel Pentium Dual-Core E2140
Essentials
Architecture codename	Wolfdale	Conroe
Launch date	October 2008	June 2007
Place in performance rating	3117	3131
Price now	$28.99
Processor Number	E7400	E2140
Series	Legacy Intel® Core™ Processors	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Value for money (0-100)	18.04
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.80 GHz	1.60 GHz
Bus Speed	1066 MHz FSB	800 MHz FSB
Die size	82 mm2	77 mm2
L1 cache	64 KB	64 KB (per core)
L2 cache	3072 KB	1024 KB (shared)
Manufacturing process technology	45 nm	65 nm
Maximum case temperature (TCase)	74 °C
Maximum core temperature	74.1°C	L2=61.4°C; G0+M0=73.3°C
Maximum frequency	2.8 GHz	1.6 GHz
Number of cores	2	2
Transistor count	228 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)	65 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)