Pentium 4 HT 661 vs Ryzen 5 1500X

Primary details

Comparing Ryzen 5 1500X and Pentium 4 HT 661 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1119	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.23	no data
Market segment	Desktop processor	Desktop processor
Series	AMD Ryzen 5	no data
Power efficiency	8.35	no data
Architecture codename	Zen (2017−2020)	Cedar Mill (2006)
Release date	16 March 2017 (7 years ago)	5 January 2006 (18 years ago)
Launch price (MSRP)	$189	$401

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 5 1500X and Pentium 4 HT 661 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)	1 (Single-Core)
Threads	8	2
Base clock speed	3.5 GHz	3.6 GHz
Boost clock speed	3.5 GHz	3.6 GHz
Bus rate	4 × 8 GT/s	no data
Multiplier	35	no data
L1 cache	384 KB	28 KB
L2 cache	2 MB	2 MB
L3 cache	16 MB (shared)	0 KB
Chip lithography	14 nm	65 nm
Die size	213 mm2	81 mm2
Maximum case temperature (TCase)	no data	69 °C
Number of transistors	4800 Million	188 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 5 1500X and Pentium 4 HT 661 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 (Uniprocessor)	1
Socket	AM4	775
Power consumption (TDP)	65 Watt	86 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 5 1500X and Pentium 4 HT 661. You'll probably need this information if you require some particular technology.

Instruction set extensions	XFR, FMA3, SSE 4.2, AVX2, SMT	no data
AES-NI	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 5 1500X and Pentium 4 HT 661 are enumerated here.

AMD-V

+

-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 5 1500X and Pentium 4 HT 661. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR1, DDR2, DDR3
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	42.671 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Ryzen 5 1500X and Pentium 4 HT 661.

PCIe version	3.0	no data
PCI Express lanes	20	no data

Pros & cons summary

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Recency	16 March 2017	5 January 2006
Physical cores	4	1
Threads	8	2
Chip lithography	14 nm	65 nm
Power consumption (TDP)	65 Watt	86 Watt

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