Phenom II X2 N640 vs Athlon 64 TF-20

Place in the ranking	3300	2545
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	AMD Athlon 64	2x AMD Phenom II
Power efficiency	0.61	2.46
Architecture codename	Sherman (2009)	Champlain (2010−2011)
Release date	1 May 2009 (15 years ago)	1 October 2010 (14 years ago)

Detailed specifications

Athlon 64 TF-20 and Phenom II X2 N640 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	1 (Single-Core)	2 (Dual-core)
Threads	1	2
Boost clock speed	1.6 GHz	2.9 GHz
Bus rate	667 MHz	3600 MHz
L1 cache	0.1 MB	256 KB
L2 cache	512 KB	2 MB
Chip lithography	65 nm	45 nm
Maximum core temperature	95 °C	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Athlon 64 TF-20 and Phenom II X2 N640 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	S1g1	S1
Power consumption (TDP)	25 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon 64 TF-20 and Phenom II X2 N640. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX, 3DNow!, SSE, SSE2, SSE3, AMD64, Enhanced Virus Protection	HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization
VirusProtect	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon 64 TF-20 and Phenom II X2 N640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR3

Gaming performance

Pros & cons summary

Performance score	0.16	0.91
Recency	1 May 2009	1 October 2010
Physical cores	1	2
Threads	1	2
Chip lithography	65 nm	45 nm
Power consumption (TDP)	25 Watt	35 Watt

Athlon 64 TF-20 has 40% lower power consumption.

Phenom II X2 N640, on the other hand, has a 468.8% higher aggregate performance score, an age advantage of 1 year, 100% more physical cores and 100% more threads, and a 44.4% more advanced lithography process.

The Phenom II X2 N640 is our recommended choice as it beats the Athlon 64 TF-20 in performance tests.

Should you still have questions on choice between Athlon 64 TF-20 and Phenom II X2 N640, ask them in Comments section, and we shall answer.