Apple M2 Pro vs Athlon II X4 651

Place in the ranking	1811	536
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	Apple Apple M-Series
Power efficiency	2.13	no data
Architecture codename	Llano (2011−2012)	no data
Release date	14 November 2011 (12 years ago)	17 January 2023 (1 year ago)

Detailed specifications

Athlon II X4 651 and Apple M2 Pro 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	4 (Quad-Core)	12 (Dodeca-Core)
Threads	4	12
Base clock speed	3 GHz	2.424 GHz
Boost clock speed	3 GHz	3.5 GHz
L1 cache	128 KB (per core)	3.3 MB
L2 cache	1 MB (per core)	36 MB
L3 cache	0 KB	24 MB
Chip lithography	32 nm	5 nm
Die size	228 mm²	no data
Number of transistors	1,178 million	40000 Million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Athlon II X4 651 and Apple M2 Pro 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	FM1	no data
Power consumption (TDP)	100 Watt	2424 ‑ 3504 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X4 651 and Apple M2 Pro are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 651 and Apple M2 Pro. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Apple M2 Pro 19-Core GPU

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 II X4 651 2.34

Apple M2 Pro 14.20
+507%

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 II X4 651 3584

Apple M2 Pro 21734
+506%

Gaming performance

Pros & cons summary

Performance score	2.34	14.20
Recency	14 November 2011	17 January 2023
Physical cores	4	12
Threads	4	12
Chip lithography	32 nm	5 nm
Power consumption (TDP)	100 Watt	2424 Watt

Athlon II X4 651 has 2324% lower power consumption.

Apple M2 Pro, on the other hand, has a 506.8% higher aggregate performance score, an age advantage of 11 years, 200% more physical cores and 200% more threads, and a 540% more advanced lithography process.

The Apple M2 Pro is our recommended choice as it beats the Athlon II X4 651 in performance tests.

Note that Athlon II X4 651 is a desktop processor while Apple M2 Pro is a notebook one.

Should you still have questions on choice between Athlon II X4 651 and Apple M2 Pro, ask them in Comments section, and we shall answer.