Ryzen 7 PRO 7840U vs C-30

Place in the ranking	3371	449
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	AMD C-Series	AMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency	1.16	52.46
Architecture codename	Ontario (2011−2012)	Phoenix (Zen 4) (2023)
Release date	4 January 2011 (13 years ago)	3 May 2023 (1 year ago)

Detailed specifications

C-30 and Ryzen 7 PRO 7840U 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)	8 (Octa-Core)
Threads	1	16
Base clock speed	no data	3.3 GHz
Boost clock speed	1.2 GHz	5.1 GHz
L1 cache	64 KB	512 KB
L2 cache	512 KB	8 MB
L3 cache	0 KB	16 MB
Chip lithography	40 nm	4 nm
Die size	75 mm²	178 mm²
Maximum core temperature	no data	100 °C
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on C-30 and Ryzen 7 PRO 7840U 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	no data
Socket	FT1 BGA 413-Ball	no data
Power consumption (TDP)	9 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by C-30 and Ryzen 7 PRO 7840U. You'll probably need this information if you require some particular technology.

Instruction set extensions

40 nm, 1.24-1.35V

no data

Virtualization technologies

Virtual machine speed-up technologies supported by C-30 and Ryzen 7 PRO 7840U are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by C-30 and Ryzen 7 PRO 7840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3 Single-channel

no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare

AMD Radeon HD 6250

AMD Radeon 780M ( - 2700 MHz)

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.

C-30 0.11

Ryzen 7 PRO 7840U 15.52
+14009%

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.

C-30 178

Ryzen 7 PRO 7840U 24647
+13747%

Gaming performance

Pros & cons summary

Performance score	0.11	15.52
Integrated graphics card	0.24	18.32
Recency	4 January 2011	3 May 2023
Physical cores	1	8
Threads	1	16
Chip lithography	40 nm	4 nm
Power consumption (TDP)	9 Watt	28 Watt

C-30 has 211.1% lower power consumption.

Ryzen 7 PRO 7840U, on the other hand, has a 14009.1% higher aggregate performance score, 7533.3% faster integrated GPU, an age advantage of 12 years, 700% more physical cores and 1500% more threads, and a 900% more advanced lithography process.

The Ryzen 7 PRO 7840U is our recommended choice as it beats the C-30 in performance tests.

Should you still have questions on choice between C-30 and Ryzen 7 PRO 7840U, ask them in Comments section, and we shall answer.