Ryzen 5 PRO 7640U vs Athlon 64 FX-55

Place in the ranking	3163	562
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	AMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency	0.23	84.54
Architecture codename	Clawhammer (2001−2005)	Phoenix (Zen4) (2023)
Release date	10 October 2004 (20 years ago)	23 May 2023 (1 year ago)
Launch price (MSRP)	$180	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon 64 FX-55 and Ryzen 5 PRO 7640U 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)	6 (Hexa-Core)
Threads	1	12
Base clock speed	2.6 GHz	3.5 GHz
Boost clock speed	2.6 GHz	4.9 GHz
L1 cache	128 KB	384 KB
L2 cache	1 MB	6 MB
L3 cache	0 KB	16 MB
Chip lithography	130 nm	4 nm
Die size	193 mm²	178 mm²
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	63 °C	no data
Number of transistors	105 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	-

Compatibility

Information on Athlon 64 FX-55 and Ryzen 5 PRO 7640U 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	939	no data
Power consumption (TDP)	104 Watt	15 Watt

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon 64 FX-55 and Ryzen 5 PRO 7640U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1 Depends on motherboard

no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

AMD Radeon 760M ( - 2600 MHz)

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

Ryzen 5 PRO 7640U 13.40
+5260%

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

Ryzen 5 PRO 7640U 21287
+5169%

Gaming performance

Pros & cons summary

Performance score	0.25	13.40
Recency	10 October 2004	23 May 2023
Physical cores	1	6
Threads	1	12
Chip lithography	130 nm	4 nm
Power consumption (TDP)	104 Watt	15 Watt

Ryzen 5 PRO 7640U has a 5260% higher aggregate performance score, an age advantage of 18 years, 500% more physical cores and 1100% more threads, a 3150% more advanced lithography process, and 593.3% lower power consumption.

The Ryzen 5 PRO 7640U is our recommended choice as it beats the Athlon 64 FX-55 in performance tests.

Note that Athlon 64 FX-55 is a desktop processor while Ryzen 5 PRO 7640U is a notebook one.

Should you still have questions on choice between Athlon 64 FX-55 and Ryzen 5 PRO 7640U, ask them in Comments section, and we shall answer.