Intel Pentium Dual-Core E2140 vs Intel Pentium D 940

Comparative analysis of Intel Pentium Dual-Core E2140 and Intel Pentium D 940 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.

Intel Pentium Dual-Core E2140

Intel Pentium D 940

Differences

Reasons to consider the Intel Pentium Dual-Core E2140

CPU is newer: launch date 1 year(s) 5 month(s) later
4.6x more L1 cache, more data can be stored in the L1 cache for quick access later
2x lower typical power consumption: 65 Watt vs 130 Watt
Around 2% better performance in Geekbench 4 - Single Core: 190 vs 186
Around 4% better performance in Geekbench 4 - Multi-Core: 321 vs 309

Specifications (specs)
Launch date	June 2007 vs January 2006
L1 cache	64 KB (per core) vs 28 KB
Thermal Design Power (TDP)	65 Watt vs 130 Watt
Benchmarks
Geekbench 4 - Single Core	190 vs 186
Geekbench 4 - Multi-Core	321 vs 309

Reasons to consider the Intel Pentium D 940

Around 100% higher clock speed: 3.2 GHz vs 1.6 GHz
4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 2% better performance in PassMark - Single thread mark: 609 vs 599
Around 2% better performance in PassMark - CPU mark: 552 vs 539

Specifications (specs)
Maximum frequency	3.2 GHz vs 1.6 GHz
L2 cache	4096 KB vs 1024 KB (shared)
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - Single thread mark	609 vs 599
PassMark - CPU mark	552 vs 539

Compare benchmarks

CPU 1: Intel Pentium Dual-Core E2140
CPU 2: Intel Pentium D 940

PassMark - Single thread mark

CPU 1

CPU 2

599

609

PassMark - CPU mark

CPU 1

CPU 2

539

552

Geekbench 4 - Single Core

CPU 1

CPU 2

190

186

Geekbench 4 - Multi-Core

CPU 1

CPU 2

321

309

Name	Intel Pentium Dual-Core E2140	Intel Pentium D 940
PassMark - Single thread mark	599	609
PassMark - CPU mark	539	552
Geekbench 4 - Single Core	190	186
Geekbench 4 - Multi-Core	321	309

Compare specifications (specs)

	Intel Pentium Dual-Core E2140	Intel Pentium D 940
Essentials
Architecture codename	Conroe	Presler
Launch date	June 2007	January 2006
Place in performance rating	3131	3134
Processor Number	E2140	940
Series	Legacy Intel® Pentium® Processor	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	1.60 GHz	3.20 GHz
Bus Speed	800 MHz FSB	800 MHz FSB
Die size	77 mm2	162 mm2
L1 cache	64 KB (per core)	28 KB
L2 cache	1024 KB (shared)	4096 KB
Manufacturing process technology	65 nm	65 nm
Maximum core temperature	L2=61.4°C; G0+M0=73.3°C	B1=68.6°C, C1=63.4°C
Maximum frequency	1.6 GHz	3.2 GHz
Number of cores	2	2
Transistor count	105 million	376 million
VID voltage range	0.8500V-1.5V	1.200V-1.3375V
Memory
Supported memory types	DDR1, DDR2, DDR3	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	LGA775, PLGA775	PLGA775
Thermal Design Power (TDP)	65 Watt	130 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
Physical Address Extensions (PAE)		32-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)