Athlon II M340 vs Core 2 Duo T5450

Place in the ranking	3047	2886
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Core 2 Duo	AMD Athlon II
Power efficiency	1.03	1.38
Architecture codename	Merom-2048 (2006−2008)	Caspian (2009)
Release date	no data	10 September 2009 (15 years ago)

Detailed specifications

Core 2 Duo T5450 and Athlon II M340 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	1.66 GHz	no data
Boost clock speed	1.66 GHz	2.2 GHz
Bus rate	667 MHz	3200 MHz
L1 cache	no data	128 KB
L2 cache	no data	1 MB
L3 cache	2 MB L2 Cache	no data
Chip lithography	65 nm	45 nm
Maximum core temperature	100 °C	no data
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	1.075V-1.25V	no data

Compatibility

Information on Core 2 Duo T5450 and Athlon II M340 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.

Socket	PPGA478	Socket S1 (S1g3)
Power consumption (TDP)	35 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T5450 and Athlon II M340. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization
PowerNow	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Demand Based Switching	-	no data
FSB parity	-	no data

Security technologies

Core 2 Duo T5450 and Athlon II M340 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 T5450 and Athlon II M340 are enumerated here.

VT-x

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T5450 and Athlon II M340. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR2

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 T5450 0.37

Athlon II M340 0.51
+37.8%

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 T5450 583

Athlon II M340 807
+38.4%