Pentium 4 HT 640 vs Athlon 64 TF-20

Primary details

Comparing Athlon 64 TF-20 and Pentium 4 HT 640 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	3300	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	AMD Athlon 64	no data
Power efficiency	0.61	no data
Architecture codename	Sherman (2009)	Prescott (2001−2005)
Release date	1 May 2009 (15 years ago)	February 2005 (19 years ago)

Detailed specifications

Athlon 64 TF-20 and Pentium 4 HT 640 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)	1 (Single-Core)
Threads	1	2
Boost clock speed	1.6 GHz	3.2 GHz
Bus rate	667 MHz	no data
L1 cache	0.1 MB	28 KB
L2 cache	512 KB	2 MB
L3 cache	no data	0 KB
Chip lithography	65 nm	90 nm
Die size	no data	109 mm2
Maximum core temperature	95 °C	no data
Number of transistors	no data	169 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Athlon 64 TF-20 and Pentium 4 HT 640 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	no data	1
Socket	S1g1	775
Power consumption (TDP)	25 Watt	84 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon 64 TF-20 and Pentium 4 HT 640. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX, 3DNow!, SSE, SSE2, SSE3, AMD64, Enhanced Virus Protection	no data
VirusProtect	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon 64 TF-20 and Pentium 4 HT 640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR1, DDR2, DDR3

Pros & cons summary

---

Threads	1	2
Chip lithography	65 nm	90 nm
Power consumption (TDP)	25 Watt	84 Watt

---

Should you still have questions on choice between Athlon 64 TF-20 and Pentium 4 HT 640, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---