Intel Core 2 Extreme X6800 vs AMD Phenom X4 B99

Comparative analysis of Intel Core 2 Extreme X6800 and AMD Phenom X4 B99 processors for all known characteristics in the following categories: Essentials, Performance, 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 Core 2 Extreme X6800

AMD Phenom X4 B99

Differences

Reasons to consider the Intel Core 2 Extreme X6800

Around 27% lower typical power consumption: 75 Watt vs 95 Watt

Thermal Design Power (TDP)	75 Watt vs 95 Watt

Reasons to consider the AMD Phenom X4 B99

2 more cores, run more applications at once: 4 vs 2
Around 32% better performance in PassMark - Single thread mark: 1377 vs 1041
2.6x better performance in PassMark - CPU mark: 2536 vs 993

Specifications (specs)
Number of cores	4 vs 2
Benchmarks
PassMark - Single thread mark	1377 vs 1041
PassMark - CPU mark	2536 vs 993

Compare benchmarks

CPU 1: Intel Core 2 Extreme X6800
CPU 2: AMD Phenom X4 B99

PassMark - Single thread mark

CPU 1

CPU 2

1041

1377

PassMark - CPU mark

CPU 1

CPU 2

993

2536

Name	Intel Core 2 Extreme X6800	AMD Phenom X4 B99
PassMark - Single thread mark	1041	1377
PassMark - CPU mark	993	2536
Geekbench 4 - Single Core	1678
Geekbench 4 - Multi-Core	2644

Compare specifications (specs)

	Intel Core 2 Extreme X6800	AMD Phenom X4 B99
Essentials
Architecture codename	Conroe
Launch date	Q3'06
Place in performance rating	1722	1724
Processor Number	X6800
Series	Legacy Intel® Core™ Processors	AMD Business Class - AMD Phenom X4 Quad-Core
Status	Discontinued
Vertical segment	Desktop	Desktop
Family		AMD Phenom
OPN Tray		HDXB99WFK4DGM
Performance
64 bit support
Base frequency	2.93 GHz	3.3 GHz
Bus Speed	1066 MHz FSB
Die size	143 mm2
Manufacturing process technology	65 nm
Maximum core temperature	60.4°C
Number of cores	2	4
Transistor count	291 million
VID voltage range	0.8500V-1.5V
L2 cache		2 MB
Number of threads		4
Unlocked
Compatibility
Low Halogen Options Available
Package Size	37.5mm x 37.5mm
Sockets supported	PLGA775	AM3
Thermal Design Power (TDP)	75 Watt	95 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)