Ryzen 7 PRO 7840HS vs Ryzen 9 7940HX

Place in performance ranking	94	344
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	AMD Dragon Range (Zen 4, Ryzen 7045)	AMD Phoenix (Zen 4, Ryzen 7040)
Architecture codename	Dragon Range-HX (Zen 4)	Phoenix-HS (Zen 4)
Release date	17 January 2024 (less than a year ago)	13 June 2023 (1 year ago)

Detailed specifications

Ryzen 9 7940HX and Ryzen 7 PRO 7840HS 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	16 (Hexadeca-Core)	8 (Octa-Core)
Threads	3216 x 5.2 GHz AMD Zen 4	16
Base clock speed	2.4 GHz	3.8 GHz
Boost clock speed	5.2 GHz	5.1 GHz
L1 cache	1 MB	512 KB
L2 cache	16 MB	8 MB
L3 cache	64 MB	16 MB
Chip lithography	5 nm	4 nm
Die size	no data	178 mm²
Maximum core temperature	100 °C	100 °C
Number of transistors	9900 Million	no data
64 bit support	+	+
Unlocked multiplier	No	No

Compatibility

Information on Ryzen 9 7940HX and Ryzen 7 PRO 7840HS 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.

Socket	FL1	FP7/FP8
Power consumption (TDP)	55 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7940HX and Ryzen 7 PRO 7840HS. You'll probably need this information if you require some particular technology.

Instruction set extensions	DDR5-5200 RAM, PCIe 5, 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	+	no data
FMA	+	no data
AVX	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7940HX and Ryzen 7 PRO 7840HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR5

no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare

AMD Radeon 610M

AMD Radeon 780M

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 7940HX 34.72
+102%

Ryzen 7 PRO 7840HS 17.17

Ryzen 9 7940HX outperforms Ryzen 7 PRO 7840HS by 102% based on our aggregate benchmark results.

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.

Benchmark coverage: 68%

Ryzen 9 7940HX 53704
+102%

Ryzen 7 PRO 7840HS 26560

Ryzen 9 7940HX outperforms Ryzen 7 PRO 7840HS by 102% in Passmark.

Gaming performance

Pros & cons summary

Performance score	34.72	17.17
Integrated graphics card	2.85	18.33
Recency	17 January 2024	13 June 2023
Physical cores	16	8
Threads	3216 x 5.2 GHz AMD Zen 4	16
Chip lithography	5 nm	4 nm
Power consumption (TDP)	55 Watt	35 Watt