Ryzen 7 9800X3D vs Ryzen 9 7940HS

Primary details

Comparing Ryzen 9 7940HS and Ryzen 7 9800X3D processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	308	203
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	44.61
Market segment	Laptop	Desktop processor
Power efficiency	51.70	19.94
Architecture codename	Phoenix-HS (Zen 4) (2023)	Granite Ridge (2024)
Release date	January 2023 (1 year ago)	7 November 2024 (less than a year ago)
Launch price (MSRP)	no data	$479

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 9 7940HS and Ryzen 7 9800X3D 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	8 (Octa-Core)	8 (Octa-Core)
Threads	16	16
Base clock speed	4 GHz	4.7 GHz
Boost clock speed	5.2 GHz	5.2 GHz
L1 cache	64K (per core)	80 KB (per core)
L2 cache	1 MB (per core)	1 MB (per core)
L3 cache	16 MB (shared)	96 MB (shared)
Chip lithography	4 nm	4 nm
Die size	178 mm2	70.6 mm2
Maximum core temperature	100 °C	no data
Number of transistors	25,000 million	8,315 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	-	+

Compatibility

Information on Ryzen 9 7940HS and Ryzen 7 9800X3D 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	FP8	AM5
Power consumption (TDP)	35 Watt	120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7940HS and Ryzen 7 9800X3D. You'll probably need this information if you require some particular technology.

Instruction set extensions	Ryzen AI, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME	no data
AES-NI	+	+
FMA	+	-
AVX	+	+
Precision Boost 2	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 7940HS and Ryzen 7 9800X3D are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7940HS and Ryzen 7 9800X3D. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR5

DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare

AMD Radeon 780M ( - 2800 MHz)

AMD Radeon Graphics

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 7940HS and Ryzen 7 9800X3D.

PCIe version	4.0	5.0
PCI Express lanes	20	24

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

---

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

---

Pros & cons summary

---

Performance score	19.11	25.27
Integrated graphics card	18.32	1.98
Power consumption (TDP)	35 Watt	120 Watt

---

Should you still have questions on choice between Ryzen 9 7940HS and Ryzen 7 9800X3D, 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.

---