Phenom X4 9950 BE (140W) vs Ryzen 5 4500U

Primary details

Comparing Ryzen 5 4500U and Phenom X4 9950 BE (140W) processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	937	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
Architecture codename	Renoir-U (Zen 2)	Agena (2007−2008)
Release date	6 January 2020 (4 years ago)	March 2008 (16 years ago)
Current price	$527	no data

Detailed specifications

Ryzen 5 4500U and Phenom X4 9950 BE (140W) 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)	4 (Quad-Core)
Threads	6	4
Base clock speed	2.3 GHz	no data
Boost clock speed	4 GHz	2.6 GHz
L1 cache	128K (per core)	128 KB (per core)
L2 cache	512K (per core)	512 KB (per core)
L3 cache	11 MB (shared)	2 MB (shared)
Chip lithography	7 nm	65 nm
Die size	156 mm2	285 mm2
Maximum core temperature	105 °C	no data
Number of transistors	9800 Million	450 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	No	Yes

Compatibility

Information on Ryzen 5 4500U and Phenom X4 9950 BE (140W) 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	AM2+
Power consumption (TDP)	25 Watt	140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 5 4500U and Phenom X4 9950 BE (140W). You'll probably need this information if you require some particular technology.

Instruction set extensions	DDR4-3200/LPDDR4-4266 RAM, PCIe 3, 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	+	no data
FMA	+	no data
AVX	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 5 4500U and Phenom X4 9950 BE (140W) are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 5 4500U and Phenom X4 9950 BE (140W). Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	no data
Maximum memory size	64 GB	no data
Maximum memory bandwidth	68.27 GB/s	no data
ECC memory support	-	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 X4 9950 BE (140W).

PCIe version

3.0

no data

Pros & cons summary

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Physical cores	6	4
Threads	6	4
Chip lithography	7 nm	65 nm
Power consumption (TDP)	25 Watt	140 Watt

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Should you still have questions on choice between Ryzen 5 4500U and Phenom X4 9950 BE (140W), ask them in Comments section, and we shall answer.

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