Intel Atom D2500 vs Intel Core 2 Quad Q8400

Comparative analysis of Intel Atom D2500 and Intel Core 2 Quad Q8400 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, 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 - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - T-Rex (Frames/s).

Intel Atom D2500

Intel Core 2 Quad Q8400

Differences

Reasons to consider the Intel Atom D2500

CPU is newer: launch date 2 year(s) 8 month(s) later
Around 40% higher maximum core temperature: 100 °C vs 71.4°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
9.5x lower typical power consumption: 10 Watt vs 95 Watt
Around 69% better performance in Geekbench 4 - Single Core: 611 vs 362

Specifications (specs)
Launch date	28 December 2011 vs April 2009
Maximum core temperature	100 °C vs 71.4°C
Manufacturing process technology	32 nm vs 45 nm
Thermal Design Power (TDP)	10 Watt vs 95 Watt
Benchmarks
Geekbench 4 - Single Core	611 vs 362

Reasons to consider the Intel Core 2 Quad Q8400

2 more cores, run more applications at once: 4 vs 2
Around 44% higher clock speed: 2.67 GHz vs 1.86 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
4x more L2 cache, more data can be stored in the L2 cache for quick access later
3.5x better performance in PassMark - Single thread mark: 1142 vs 323
8.6x better performance in PassMark - CPU mark: 2068 vs 241
Around 23% better performance in Geekbench 4 - Multi-Core: 1139 vs 925

Specifications (specs)
Number of cores	4 vs 2
Maximum frequency	2.67 GHz vs 1.86 GHz
L1 cache	256 KB vs 64 KB (per core)
L2 cache	4096 KB vs 1024 KB
Benchmarks
PassMark - Single thread mark	1142 vs 323
PassMark - CPU mark	2068 vs 241
Geekbench 4 - Multi-Core	1139 vs 925

Compare benchmarks

CPU 1: Intel Atom D2500
CPU 2: Intel Core 2 Quad Q8400

PassMark - Single thread mark

CPU 1

CPU 2

323

1142

PassMark - CPU mark

CPU 1

CPU 2

241

2068

Geekbench 4 - Single Core

CPU 1

CPU 2

611

362

Geekbench 4 - Multi-Core

CPU 1

CPU 2

925

1139

Name	Intel Atom D2500	Intel Core 2 Quad Q8400
PassMark - Single thread mark	323	1142
PassMark - CPU mark	241	2068
Geekbench 4 - Single Core	611	362
Geekbench 4 - Multi-Core	925	1139
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		0.609
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		20.494
CompuBench 1.5 Desktop - Video Composition (Frames/s)		1.4
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		4.93
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.171

Compare specifications (specs)

	Intel Atom D2500	Intel Core 2 Quad Q8400
Essentials
Architecture codename	Cedarview	Yorkfield
Launch date	28 December 2011	April 2009
Place in performance rating	2999	3008
Processor Number	D2500	Q8400
Series	Intel® Atom™ Processor D Series	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Vertical segment	Desktop	Desktop
Price now		$99.50
Value for money (0-100)		9.38
Performance
64 bit support
Base frequency	1.86 GHz	2.66 GHz
Bus Speed	2.5 GT/s DMI	1333 MHz FSB
Die size	66 mm	164 mm2
L1 cache	64 KB (per core)	256 KB
L2 cache	1024 KB	4096 KB
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	100 °C	71.4°C
Maximum frequency	1.86 GHz	2.67 GHz
Number of cores	2	4
Number of threads	2
Transistor count	176 million	456 million
VID voltage range	0.91V -1.21V	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 800/1066	DDR1, DDR2, DDR3
Graphics
Graphics base frequency	400 MHz
Processor graphics	Integrated
Graphics interfaces
Number of displays supported	2
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
Peripherals
Max number of PCIe lanes	4
Number of USB ports	8
Total number of SATA ports	2
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
HD Audio
Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3
Intel 64
Intel® Active Management technology (AMT)
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® ME Firmware Version	No
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	36-bit
FSB parity
Idle States
Intel® AES New Instructions
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)