Athlon 64 X2 TK-42 vs Core 2 Duo E6550

Place in the ranking	2821	3033
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	2x AMD Athlon 64
Power efficiency	0.82	1.70
Architecture codename	Conroe (2006−2007)	Tyler (2007−2009)
Release date	July 2007 (17 years ago)	1 November 2009 (15 years ago)

Detailed specifications

Core 2 Duo E6550 and Athlon 64 X2 TK-42 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	2 (Dual-core)	2 (Dual-core)
Threads	2	2
Base clock speed	2.33 GHz	no data
Boost clock speed	2.33 GHz	1.6 GHz
Bus rate	1333 MHz	1600 MHz
L1 cache	64 KB	0 MB
L2 cache	4 MB	1 MB
L3 cache	0 KB	no data
Chip lithography	65 nm	65 nm
Die size	143 mm²	no data
Maximum core temperature	72 °C	95 °C
Number of transistors	291 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.5V	no data

Compatibility

Information on Core 2 Duo E6550 and Athlon 64 X2 TK-42 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	no data
Socket	PLGA775	Socket S1
Power consumption (TDP)	65 Watt	20 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6550 and Athlon 64 X2 TK-42. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	86x Enhanced Virus Protection (EVP), MMX, PowerNow, SSE3,-64, Enhanced 3DNow
PowerNow	-	+
VirusProtect	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	-	no data
FSB parity	-	no data

Security technologies

Core 2 Duo E6550 and Athlon 64 X2 TK-42 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E6550 and Athlon 64 X2 TK-42 are enumerated here.

VT-x

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6550 and Athlon 64 X2 TK-42. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Core 2 Duo E6550 0.56
+55.6%

Athlon 64 X2 TK-42 0.36

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Core 2 Duo E6550 896
+55.3%

Athlon 64 X2 TK-42 577