Intel Core 2 Quad Q9400 vs AMD Sempron 3800+

Comparative analysis of Intel Core 2 Quad Q9400 and AMD Sempron 3800+ 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, 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 Core 2 Quad Q9400

AMD Sempron 3800+

Differences

Reasons to consider the Intel Core 2 Quad Q9400

CPU is newer: launch date 1 year(s) 10 month(s) later
3 more cores, run more applications at once: 4 vs 1
Around 21% higher clock speed: 2.67 GHz vs 2.2 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 90 nm
2x more L1 cache, more data can be stored in the L1 cache for quick access later
24x more L2 cache, more data can be stored in the L2 cache for quick access later
2.7x better performance in PassMark - Single thread mark: 1138 vs 422
5.9x better performance in PassMark - CPU mark: 2133 vs 360

Specifications (specs)
Launch date	August 2008 vs October 2006
Number of cores	4 vs 1
Maximum frequency	2.67 GHz vs 2.2 GHz
Manufacturing process technology	45 nm vs 90 nm
L1 cache	256 KB vs 128 KB
L2 cache	6144 KB vs 256 KB
Benchmarks
PassMark - Single thread mark	1138 vs 422
PassMark - CPU mark	2133 vs 360

Reasons to consider the AMD Sempron 3800+

Around 53% lower typical power consumption: 62 Watt vs 95 Watt

Thermal Design Power (TDP)	62 Watt vs 95 Watt

Compare benchmarks

CPU 1: Intel Core 2 Quad Q9400
CPU 2: AMD Sempron 3800+

PassMark - Single thread mark

CPU 1

CPU 2

1138

422

PassMark - CPU mark

CPU 1

CPU 2

2133

360

Name	Intel Core 2 Quad Q9400	AMD Sempron 3800+
PassMark - Single thread mark	1138	422
PassMark - CPU mark	2133	360
Geekbench 4 - Single Core	376
Geekbench 4 - Multi-Core	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 Core 2 Quad Q9400	AMD Sempron 3800+
Essentials
Architecture codename	Yorkfield	Manila
Launch date	August 2008	October 2006
Place in performance rating	3119	3123
Price now	$33.98	$21
Processor Number	Q9400
Series	Legacy Intel® Core™ Processors
Status	Discontinued
Value for money (0-100)	28.99	7.75
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$21
Performance
64 bit support
Base frequency	2.66 GHz
Bus Speed	1333 MHz FSB
Die size	164 mm2	103 mm
L1 cache	256 KB	128 KB
L2 cache	6144 KB	256 KB
Manufacturing process technology	45 nm	90 nm
Maximum case temperature (TCase)	71 °C
Maximum core temperature	71.4°C
Maximum frequency	2.67 GHz	2.2 GHz
Number of cores	4	1
Transistor count	456 million	81 million
VID voltage range	0.8500V-1.3625V
Memory
Supported memory types	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm
Sockets supported	LGA775	AM2
Thermal Design Power (TDP)	95 Watt	62 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)