Phenom II X2 555 BE vs Ryzen 5 4500U

Primary details

Comparing Ryzen 5 4500U and Phenom II X2 555 BE processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1010	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	AMD Renoir (Ryzen 4000 APU)	no data
Power efficiency	26.01	no data
Architecture codename	Renoir-U (Zen 2) (2020−2021)	Callisto (2009−2010)
Release date	6 January 2020 (4 years ago)	25 January 2010 (14 years ago)

Detailed specifications

Ryzen 5 4500U and Phenom II X2 555 BE 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	6 (Hexa-Core)	2 (Dual-core)
Threads	6	2
Base clock speed	2.3 GHz	3.2 GHz
Boost clock speed	4 GHz	3.2 GHz
Multiplier	23	no data
L1 cache	128K (per core)	128 KB (per core)
L2 cache	512K (per core)	512 KB (per core)
L3 cache	11 MB (shared)	6 MB (shared)
Chip lithography	7 nm	45 nm
Die size	156 mm2	258 mm2
Maximum core temperature	105 °C	no data
Number of transistors	9800 Million	758 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	-	+

Compatibility

Information on Ryzen 5 4500U and Phenom II X2 555 BE 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	FP6	AM3
Power consumption (TDP)	25 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 5 4500U and Phenom II X2 555 BE. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, CPB, AES-NI, RDRAND, RDSEED, SHA, SME	no data
AES-NI	+	-
FMA	+	-
AVX	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 5 4500U and Phenom II X2 555 BE are enumerated here.

AMD-V

+

-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 5 4500U and Phenom II X2 555 BE. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR3
Maximum memory size	64 GB	no data
Maximum memory bandwidth	68.27 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

AMD Radeon RX Vega 6 (Ryzen 4000/5000)

no data

Peripherals

Specifications and connection of peripherals supported by Ryzen 5 4500U and Phenom II X2 555 BE.

PCIe version

3.0

2.0

Pros & cons summary

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Recency	6 January 2020	25 January 2010
Physical cores	6	2
Threads	6	2
Chip lithography	7 nm	45 nm
Power consumption (TDP)	25 Watt	80 Watt

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