Intel Atom D425 vs Intel Pentium D 940

Comparative analysis of Intel Atom D425 and Intel Pentium D 940 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, 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 Atom D425

Intel Pentium D 940

Differences

Reasons to consider the Intel Atom D425

CPU is newer: launch date 4 year(s) 5 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
2.3x more L1 cache, more data can be stored in the L1 cache for quick access later
13x lower typical power consumption: 10 Watt vs 130 Watt
2.7x better performance in Geekbench 4 - Single Core: 497 vs 186
Around 95% better performance in Geekbench 4 - Multi-Core: 602 vs 309

Specifications (specs)
Launch date	June 2010 vs January 2006
Manufacturing process technology	45 nm vs 65 nm
L1 cache	64 KB (per core) vs 28 KB
Thermal Design Power (TDP)	10 Watt vs 130 Watt
Benchmarks
Geekbench 4 - Single Core	497 vs 186
Geekbench 4 - Multi-Core	602 vs 309

Reasons to consider the Intel Pentium D 940

1 more cores, run more applications at once: 2 vs 1
Around 78% higher clock speed: 3.2 GHz vs 1.8 GHz
8x more L2 cache, more data can be stored in the L2 cache for quick access later
2.2x better performance in PassMark - Single thread mark: 609 vs 271
2.7x better performance in PassMark - CPU mark: 552 vs 204

Specifications (specs)
Number of cores	2 vs 1
Maximum frequency	3.2 GHz vs 1.8 GHz
L2 cache	4096 KB vs 512 KB (per core)
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - Single thread mark	609 vs 271
PassMark - CPU mark	552 vs 204

Compare benchmarks

CPU 1: Intel Atom D425
CPU 2: Intel Pentium D 940

PassMark - Single thread mark

CPU 1

CPU 2

271

609

PassMark - CPU mark

CPU 1

CPU 2

204

552

Geekbench 4 - Single Core

CPU 1

CPU 2

497

186

Geekbench 4 - Multi-Core

CPU 1

CPU 2

602

309

Name	Intel Atom D425	Intel Pentium D 940
PassMark - Single thread mark	271	609
PassMark - CPU mark	204	552
Geekbench 4 - Single Core	497	186
Geekbench 4 - Multi-Core	602	309

Compare specifications (specs)

	Intel Atom D425	Intel Pentium D 940
Essentials
Architecture codename	Pineview	Presler
Launch date	June 2010	January 2006
Launch price (MSRP)	$993
Place in performance rating	3141	3134
Price now	$992.98
Processor Number	D425	940
Series	Legacy Intel Atom® Processors	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Value for money (0-100)	0.10
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	1.80 GHz	3.20 GHz
Bus Speed	2.5 GT/s DMI	800 MHz FSB
Die size	66 mm2	162 mm2
L1 cache	64 KB (per core)	28 KB
L2 cache	512 KB (per core)	4096 KB
Manufacturing process technology	45 nm	65 nm
Maximum core temperature	100°C	B1=68.6°C, C1=63.4°C
Maximum frequency	1.8 GHz	3.2 GHz
Number of cores	1	2
Number of threads	2
Transistor count	123 million	376 million
VID voltage range	0.800V-1.175V	1.200V-1.3375V
Memory
Max memory channels	1
Maximum memory bandwidth	6.4 GB/s
Maximum memory size	4 GB
Supported memory types	DDR3 800 (SODIMM only); DDR2 667/800	DDR1, DDR2, DDR3
Graphics
Processor graphics	Integrated
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	22mm x 22mm	37.5mm x 37.5mm
Sockets supported	FCBGA559	PLGA775
Thermal Design Power (TDP)	10 Watt	130 Watt
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	32-bit	32-bit
Thermal Monitoring
FSB parity
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)