Ryzen 9 7940HS vs Ryzen 9 5900HS

Place in the ranking	538	299
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	AMD Cezanne (Zen 3, Ryzen 5000)	no data
Power efficiency	36.86	51.72
Architecture codename	Cezanne-HS (Zen 3) (2021)	Phoenix-HS (Zen 4) (2023)
Release date	12 January 2021 (3 years ago)	January 2023 (1 year ago)

Detailed specifications

Ryzen 9 5900HS and Ryzen 9 7940HS 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	3 GHz	4 GHz
Boost clock speed	4.6 GHz	5.2 GHz
Multiplier	30	no data
L1 cache	512 KB	64K (per core)
L2 cache	4 MB	1 MB (per core)
L3 cache	16 MB (shared)	16 MB (shared)
Chip lithography	7 nm	4 nm
Die size	180 mm²	178 mm²
Maximum core temperature	no data	100 °C
Number of transistors	10,700 million	25,000 million
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Ryzen 9 5900HS and Ryzen 9 7940HS 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	FP8
Power consumption (TDP)	35 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 5900HS and Ryzen 9 7940HS. 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, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME	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
AES-NI	+	+
FMA	+	+
AVX	+	+
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 5900HS and Ryzen 9 7940HS are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5900HS and Ryzen 9 7940HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR4

DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare

AMD Radeon RX Vega 8 (Ryzen 4000/5000)

AMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 5900HS and Ryzen 9 7940HS.

PCIe version	3.0	4.0
PCI Express lanes	no data	20

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.

Ryzen 9 5900HS 14.15

Ryzen 9 7940HS 19.85
+40.3%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Ryzen 9 5900HS 21659

Ryzen 9 7940HS 30379
+40.3%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Ryzen 9 5900HS 6380

Ryzen 9 7940HS 7837
+22.8%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Ryzen 9 5900HS 41235

Ryzen 9 7940HS 48751
+18.2%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Ryzen 9 5900HS 25

Ryzen 9 7940HS 30
+22.3%

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Ryzen 9 5900HS 2041

Ryzen 9 7940HS 2661
+30.4%

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Ryzen 9 5900HS 237

Ryzen 9 7940HS 284
+19.9%

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Ryzen 9 5900HS 2.83

Ryzen 9 7940HS 3.38
+19.4%