EPYC 9654 vs Phenom II X2 X640 BE

General info

Comparing Phenom II X2 X640 BE and EPYC 9654 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2316	4
Place by popularity	not in top-100	not in top-100
Value for money	no data	10.14
Market segment	Laptop	Server
Series	2x AMD Phenom II	AMD EPYC
Architecture codename	Champlain (2010−2011)	Genoa
Release date	12 May 2011 (12 years ago)	10 November 2022 (1 year ago)
Launch price (MSRP)	no data	$11,805
Current price	no data	$4544 (0.4x MSRP)

Value for money

Performance per price, higher is better.

Technical specs

Phenom II X2 X640 BE and EPYC 9654 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	2 (Dual-core)	96
Threads	2	192
Base clock speed	no data	2.4 GHz
Boost clock speed	3.2 GHz	3.7 GHz
Bus support	3600 MHz	no data
L1 cache	256 KB	64K (per core)
L2 cache	2 MB	1 MB (per core)
L3 cache	no data	384 MB (shared)
Chip lithography	45 nm	5 nm, 6 nm
Die size	no data	12x 72 mm2
Number of transistors	no data	78,840 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	No

Compatibility

Information on Phenom II X2 X640 BE and EPYC 9654 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	2
Socket	S1	SP5
Power consumption (TDP)	45 Watt	360 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X2 X640 BE and EPYC 9654. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX, 3DNow!, SSE1-3A, AMD64, Enhanced Virus Protection, Virtualization, DDR3 Memory Controller	no data
AES-NI	no data	+
AVX	no data	+
VirusProtect	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X2 X640 BE and EPYC 9654 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X2 X640 BE and EPYC 9654. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5-4800
Maximum memory size	no data	6 TiB
Maximum memory bandwidth	no data	460.8 GB/s

Peripherals

Specifications and connection of peripherals supported by Phenom II X2 X640 BE and EPYC 9654.

PCIe version	no data	5.0
PCI Express lanes	no data	128

Advantages and disadvantages

---

Performance score	1.02	78.29
Recency	12 May 2011	10 November 2022
Physical cores	2	96
Threads	2	192
Chip lithography	45 nm	5 nm
Power consumption (TDP)	45 Watt	360 Watt

---

Should you still have questions on choice between Phenom II X2 X640 BE and EPYC 9654, ask them in Comments section, and we shall answer.

Vote

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

---