Sempron 150 vs Athlon 64 FX-55

Place in the ranking	3164	3035
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Power efficiency	0.23	0.80
Architecture codename	Clawhammer (2001−2005)	Sargas (2009−2011)
Release date	10 October 2004 (20 years ago)	7 December 2010 (14 years ago)
Launch price (MSRP)	$180	$73

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon 64 FX-55 and Sempron 150 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	1
Base clock speed	2.6 GHz	2.9 GHz
Boost clock speed	2.6 GHz	2.9 GHz
L1 cache	128 KB	128 KB (per core)
L2 cache	1 MB	1 MB (per core)
L3 cache	0 KB	0 KB
Chip lithography	130 nm	45 nm
Die size	193 mm²	117 mm²
Maximum case temperature (TCase)	63 °C	no data
Number of transistors	105 million	234 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on Athlon 64 FX-55 and Sempron 150 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	1
Socket	939	AM3
Power consumption (TDP)	104 Watt	45 Watt

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon 64 FX-55 and Sempron 150. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1 Depends on motherboard

DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

no data

Peripherals

Specifications and connection of peripherals supported by Athlon 64 FX-55 and Sempron 150.

PCIe version

no data

2.0

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.

Athlon 64 FX-55 0.25

Sempron 150 0.38
+52%

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.

Athlon 64 FX-55 404

Sempron 150 597
+47.8%

Gaming performance

Pros & cons summary

Performance score	0.25	0.38
Recency	10 October 2004	7 December 2010
Chip lithography	130 nm	45 nm
Power consumption (TDP)	104 Watt	45 Watt

Sempron 150 has a 52% higher aggregate performance score, an age advantage of 6 years, a 188.9% more advanced lithography process, and 131.1% lower power consumption.

The Sempron 150 is our recommended choice as it beats the Athlon 64 FX-55 in performance tests.

Should you still have questions on choice between Athlon 64 FX-55 and Sempron 150, ask them in Comments section, and we shall answer.