Intel Core 2 Quad Q9400 vs AMD Athlon XP 2800+

Comparative analysis of Intel Core 2 Quad Q9400 and AMD Athlon XP 2800+ 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 Athlon XP 2800+

Differences

Reasons to consider the Intel Core 2 Quad Q9400

CPU is newer: launch date 7 year(s) 7 month(s) later
3 more cores, run more applications at once: 4 vs 1
Around 28% higher clock speed: 2.67 GHz vs 2.08 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 130 nm
2x 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
2.8x better performance in PassMark - Single thread mark: 1138 vs 408
8.2x better performance in PassMark - CPU mark: 2138 vs 260

Specifications (specs)
Launch date	August 2008 vs January 2001
Number of cores	4 vs 1
Maximum frequency	2.67 GHz vs 2.08 GHz
Manufacturing process technology	45 nm vs 130 nm
L1 cache	256 KB vs 128 KB
L2 cache	6144 KB vs 512 KB
Benchmarks
PassMark - Single thread mark	1138 vs 408
PassMark - CPU mark	2138 vs 260

Reasons to consider the AMD Athlon XP 2800+

Around 40% lower typical power consumption: 68 Watt vs 95 Watt

Thermal Design Power (TDP)	68 Watt vs 95 Watt

Compare benchmarks

CPU 1: Intel Core 2 Quad Q9400
CPU 2: AMD Athlon XP 2800+

PassMark - Single thread mark

CPU 1

CPU 2

1138

408

PassMark - CPU mark

CPU 1

CPU 2

2138

260

Name	Intel Core 2 Quad Q9400	AMD Athlon XP 2800+
PassMark - Single thread mark	1138	408
PassMark - CPU mark	2138	260
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 Athlon XP 2800+
Essentials
Architecture codename	Yorkfield	Barton
Launch date	August 2008	January 2001
Place in performance rating	3119	3135
Price now	$33.98
Processor Number	Q9400
Series	Legacy Intel® Core™ Processors
Status	Discontinued
Value for money (0-100)	28.99
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.66 GHz
Bus Speed	1333 MHz FSB
Die size	164 mm2	101 mm
L1 cache	256 KB	128 KB
L2 cache	6144 KB	512 KB
Manufacturing process technology	45 nm	130 nm
Maximum case temperature (TCase)	71 °C
Maximum core temperature	71.4°C
Maximum frequency	2.67 GHz	2.08 GHz
Number of cores	4	1
Transistor count	456 million	63 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	A
Thermal Design Power (TDP)	95 Watt	68 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)