Ryzen 9 9900X vs Atom Z500

Primary details

Comparing Atom Z500 and Ryzen 9 9900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	108
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	63.93
Market segment	Laptop	Desktop processor
Series	Intel Atom	no data
Power efficiency	no data	27.20
Architecture codename	Silverthorne (2008−2010)	Granite Ridge (2024)
Release date	2 April 2008 (16 years ago)	15 August 2024 (less than a year ago)
Launch price (MSRP)	$45	$499

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Atom Z500 and Ryzen 9 9900X 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	1 (Single-Core)	12 (Dodeca-Core)
Threads	1	24
Base clock speed	no data	4.4 GHz
Boost clock speed	0.8 GHz	5.6 GHz
Bus type	FSB	no data
Bus rate	400 MT/s	no data
Multiplier	8	no data
L1 cache	56 KB	80 KB (per core)
L2 cache	512 KB	1 MB (per core)
L3 cache	0 KB	64 MB (shared)
Chip lithography	45 nm	4 nm
Die size	24.18 mm2	2x 70.6 mm2
Maximum core temperature	90 °C	95 °C
Number of transistors	47 Million	16,630 million
64 bit support	-	+
Windows 11 compatibility	-	no data
Unlocked multiplier	-	+
VID voltage range	0.80 -1.1V	no data

Compatibility

Information on Atom Z500 and Ryzen 9 9900X 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	PBGA441	AM5
Power consumption (TDP)	0.65 Watt	120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z500 and Ryzen 9 9900X. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	+	no data
FSB parity	-	no data
Precision Boost 2	no data	+

Security technologies

Atom Z500 and Ryzen 9 9900X technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z500 and Ryzen 9 9900X are enumerated here.

AMD-V	-	+
VT-d	-	no data
VT-x	-	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z500 and Ryzen 9 9900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

-

AMD Radeon Graphics

Peripherals

Specifications and connection of peripherals supported by Atom Z500 and Ryzen 9 9900X.

PCIe version	no data	5.0
PCI Express lanes	no data	24

Pros & cons summary

---

Recency	2 April 2008	15 August 2024
Physical cores	1	12
Threads	1	24
Chip lithography	45 nm	4 nm

---

Should you still have questions on choice between Atom Z500 and Ryzen 9 9900X, ask them in Comments section, and we shall answer.

Vote for your favorite

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

---