Intel Atom D425 vs Intel Core 2 Quad Q9400

Comparative analysis of Intel Atom D425 and Intel Core 2 Quad Q9400 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, 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 Atom D425

Intel Core 2 Quad Q9400

Differences

Reasons to consider the Intel Atom D425

CPU is newer: launch date 1 year(s) 10 month(s) later
Around 40% higher maximum core temperature: 100°C vs 71.4°C
9.5x lower typical power consumption: 10 Watt vs 95 Watt
Around 32% better performance in Geekbench 4 - Single Core: 497 vs 376

Specifications (specs)
Launch date	June 2010 vs August 2008
Maximum core temperature	100°C vs 71.4°C
Thermal Design Power (TDP)	10 Watt vs 95 Watt
Benchmarks
Geekbench 4 - Single Core	497 vs 376

Reasons to consider the Intel Core 2 Quad Q9400

3 more cores, run more applications at once: 4 vs 1
Around 48% higher clock speed: 2.67 GHz vs 1.8 GHz
4x more L1 cache, more data can be stored in the L1 cache for quick access later
12x more L2 cache, more data can be stored in the L2 cache for quick access later
4.2x better performance in PassMark - Single thread mark: 1139 vs 271
10.5x better performance in PassMark - CPU mark: 2150 vs 204
Around 91% better performance in Geekbench 4 - Multi-Core: 1151 vs 602

Specifications (specs)
Number of cores	4 vs 1
Maximum frequency	2.67 GHz vs 1.8 GHz
L1 cache	256 KB vs 64 KB (per core)
L2 cache	6144 KB vs 512 KB (per core)
Benchmarks
PassMark - Single thread mark	1139 vs 271
PassMark - CPU mark	2150 vs 204
Geekbench 4 - Multi-Core	1151 vs 602

Compare benchmarks

CPU 1: Intel Atom D425
CPU 2: Intel Core 2 Quad Q9400

PassMark - Single thread mark

CPU 1

CPU 2

271

1139

PassMark - CPU mark

CPU 1

CPU 2

204

2150

Geekbench 4 - Single Core

CPU 1

CPU 2

497

376

Geekbench 4 - Multi-Core

CPU 1

CPU 2

602

1151

Name	Intel Atom D425	Intel Core 2 Quad Q9400
PassMark - Single thread mark	271	1139
PassMark - CPU mark	204	2150
Geekbench 4 - Single Core	497	376
Geekbench 4 - Multi-Core	602	1151
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 Atom D425	Intel Core 2 Quad Q9400
Essentials
Architecture codename	Pineview	Yorkfield
Launch date	June 2010	August 2008
Launch price (MSRP)	$993
Place in performance rating	3150	3130
Price now	$992.98	$33.98
Processor Number	D425	Q9400
Series	Legacy Intel Atom® Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	0.10	28.99
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	1.80 GHz	2.66 GHz
Bus Speed	2.5 GT/s DMI	1333 MHz FSB
Die size	66 mm2	164 mm2
L1 cache	64 KB (per core)	256 KB
L2 cache	512 KB (per core)	6144 KB
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	100°C	71.4°C
Maximum frequency	1.8 GHz	2.67 GHz
Number of cores	1	4
Number of threads	2
Transistor count	123 million	456 million
VID voltage range	0.800V-1.175V	0.8500V-1.3625V
Maximum case temperature (TCase)		71 °C
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	1
Package Size	22mm x 22mm	37.5mm x 37.5mm
Sockets supported	FCBGA559	LGA775
Thermal Design Power (TDP)	10 Watt	95 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
Thermal Monitoring
FSB parity
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)