Ryzen 5 PRO 7640U vs Atom E660

Place in the ranking	3278	562
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	no data	AMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency	5.36	84.54
Architecture codename	Tunnel Creek (2010)	Phoenix (Zen4) (2023)
Release date	14 September 2010 (14 years ago)	23 May 2023 (1 year ago)
Launch price (MSRP)	$54	no data

Detailed specifications

Atom E660 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	2	12
Base clock speed	no data	3.5 GHz
Boost clock speed	1.3 GHz	4.9 GHz
L1 cache	64 KB (per core)	384 KB
L2 cache	512 KB (per core)	6 MB
L3 cache	0 KB	16 MB
Chip lithography	45 nm	4 nm
Die size	26 mm²	178 mm²
Maximum core temperature	no data	100 °C
Number of transistors	47 million	no data
64 bit support	-	+
Windows 11 compatibility	-	+

Compatibility

Information on Atom E660 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	Intel BGA 676	no data
Power consumption (TDP)	3 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom E660 and Ryzen 5 PRO 7640U. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	no data
Hyper-Threading Technology	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom E660 and Ryzen 5 PRO 7640U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR2

no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare

Intel GMA 600

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.

Atom E660 0.17

Ryzen 5 PRO 7640U 13.40
+7782%

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.

Atom E660 271

Ryzen 5 PRO 7640U 21287
+7755%

Gaming performance

Pros & cons summary

Performance score	0.17	13.40
Recency	14 September 2010	23 May 2023
Physical cores	1	6
Threads	2	12
Chip lithography	45 nm	4 nm
Power consumption (TDP)	3 Watt	15 Watt

Atom E660 has 400% lower power consumption.

Ryzen 5 PRO 7640U, on the other hand, has a 7782.4% higher aggregate performance score, an age advantage of 12 years, 500% more physical cores and 500% more threads, and a 1025% more advanced lithography process.

The Ryzen 5 PRO 7640U is our recommended choice as it beats the Atom E660 in performance tests.

Should you still have questions on choice between Atom E660 and Ryzen 5 PRO 7640U, ask them in Comments section, and we shall answer.