Ryzen 7 PRO 7840U vs Celeron 2981U

Place in the ranking	2745	441
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	AMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency	4.10	52.63
Architecture codename	Haswell (2013−2015)	Phoenix (Zen 4) (2023)
Release date	1 January 2014 (10 years ago)	3 May 2023 (1 year ago)

Detailed specifications

Celeron 2981U 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	2 (Dual-core)	8 (Octa-Core)
Threads	2	16
Base clock speed	1.6 GHz	3.3 GHz
Boost clock speed	1.6 GHz	5.1 GHz
Bus rate	5 GT/s	no data
L1 cache	128 KB	512 KB
L2 cache	512 KB	8 MB
L3 cache	2 MB	16 MB
Chip lithography	22 nm	4 nm
Die size	no data	178 mm²
Maximum core temperature	100 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Celeron 2981U 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	FCBGA1168	no data
Power consumption (TDP)	15 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 2981U and Ryzen 7 PRO 7840U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Smart Response	-	no data
GPIO	+	no data
Smart Connect	+	no data
FDI	-	no data
AMT	9.5	no data
Matrix Storage	-	no data
HD Audio	+	no data
RST	+	no data

Security technologies

Celeron 2981U and Ryzen 7 PRO 7840U technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Secure Key	+	no data
OS Guard	-	no data
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 2981U and Ryzen 7 PRO 7840U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 2981U and Ryzen 7 PRO 7840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	16 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 4th Generation Intel® Processors	AMD Radeon 780M
Quick Sync Video	+	-
Clear Video	+	no data
Graphics max frequency	1 GHz	no data

Graphics interfaces

Available interfaces and connections of Celeron 2981U and Ryzen 7 PRO 7840U integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-

Peripherals

Specifications and connection of peripherals supported by Celeron 2981U and Ryzen 7 PRO 7840U.

PCIe version	2.0	no data
PCI Express lanes	12	no data
PCI support	-	no data
USB revision	3.0	no data
Total number of SATA ports	2	no data
Max number of SATA 6 Gb/s Ports	2	no data
Integrated IDE	-	no data
Number of USB ports	4	no data
Integrated LAN	-	no data
UART	+	no data

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.

Celeron 2981U 0.65

Ryzen 7 PRO 7840U 15.57
+2295%

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.

Celeron 2981U 1036

Ryzen 7 PRO 7840U 24726
+2287%

Gaming performance

Pros & cons summary

Performance score	0.65	15.57
Recency	1 January 2014	3 May 2023
Physical cores	2	8
Threads	2	16
Chip lithography	22 nm	4 nm
Power consumption (TDP)	15 Watt	28 Watt

Celeron 2981U has 86.7% lower power consumption.

Ryzen 7 PRO 7840U, on the other hand, has a 2295.4% higher aggregate performance score, an age advantage of 9 years, 300% more physical cores and 700% more threads, and a 450% more advanced lithography process.

The Ryzen 7 PRO 7840U is our recommended choice as it beats the Celeron 2981U in performance tests.

Should you still have questions on choice between Celeron 2981U and Ryzen 7 PRO 7840U, ask them in Comments section, and we shall answer.