AMD Athlon II X2 255 vs Intel Pentium E6600

Comparative analysis of AMD Athlon II X2 255 and Intel Pentium E6600 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.

AMD Athlon II X2 255

Intel Pentium E6600

Differences

Reasons to consider the AMD Athlon II X2 255

Around 1% higher clock speed: 3.1 GHz vs 3.06 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 44% lower typical power consumption: 45 Watt vs 65 Watt
Around 3% better performance in PassMark - Single thread mark: 1234 vs 1201
Around 4% better performance in PassMark - CPU mark: 1175 vs 1128

Specifications (specs)
Maximum frequency	3.1 GHz vs 3.06 GHz
L1 cache	256 KB vs 64 KB (per core)
Thermal Design Power (TDP)	45 Watt vs 65 Watt
Benchmarks
PassMark - Single thread mark	1234 vs 1201
PassMark - CPU mark	1175 vs 1128

Reasons to consider the Intel Pentium E6600

Around 3% higher maximum core temperature: 74.1°C vs 72°C
Around 11% better performance in Geekbench 4 - Single Core: 392 vs 353
Around 1% better performance in Geekbench 4 - Multi-Core: 666 vs 660

Specifications (specs)
Maximum core temperature	74.1°C vs 72°C
Benchmarks
Geekbench 4 - Single Core	392 vs 353
Geekbench 4 - Multi-Core	666 vs 660

Compare benchmarks

CPU 1: AMD Athlon II X2 255
CPU 2: Intel Pentium E6600

PassMark - Single thread mark

CPU 1

CPU 2

1234

1201

PassMark - CPU mark

CPU 1

CPU 2

1175

1128

Geekbench 4 - Single Core

CPU 1

CPU 2

353

392

Geekbench 4 - Multi-Core

CPU 1

CPU 2

660

666

Name	AMD Athlon II X2 255	Intel Pentium E6600
PassMark - Single thread mark	1234	1201
PassMark - CPU mark	1175	1128
Geekbench 4 - Single Core	353	392
Geekbench 4 - Multi-Core	660	666

Compare specifications (specs)

	AMD Athlon II X2 255	Intel Pentium E6600
Essentials
Architecture codename	Regor	Wolfdale
Family	AMD Athlon Processors
Launch date	January 2010	January 2010
Launch price (MSRP)	$60	$16
OPN PIB	AD255EHDGMBOX
OPN Tray	AD255EHDK23GM
Place in performance rating	2555	2556
Price now	$65.22	$100
Series	AMD Athlon II X2	Legacy Intel® Pentium® Processor
Value for money (0-100)	8.34	5.53
Vertical segment	Desktop	Desktop
Processor Number		E6600
Status		Discontinued
Performance
64 bit support
Base frequency	3.1 GHz	3.06 GHz
Die size	117 mm	82 mm2
L1 cache	256 KB	64 KB (per core)
L2 cache	2 MB	2048 KB (shared)
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	72°C	74.1°C
Maximum frequency	3.1 GHz	3.06 GHz
Number of cores	2	2
Number of threads	2
Transistor count	410 million	228 million
Unlocked
Bus Speed		1066 MHz FSB
VID voltage range		0.8500V – 1.3625V
Memory
Supported memory types	DDR3	DDR1, DDR2, DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	LGA775
Thermal Design Power (TDP)	45 Watt	65 Watt
Low Halogen Options Available
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
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)