Ryzen 9 7940HS vs Celeron J3455

Primary details

Comparing Celeron J3455 and Ryzen 9 7940HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2205	308
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.22	no data
Market segment	Desktop processor	Laptop
Series	Intel Celeron	no data
Power efficiency	13.45	51.70
Architecture codename	Apollo Lake (2014−2016)	Phoenix-HS (Zen 4) (2023)
Release date	30 August 2016 (8 years ago)	January 2023 (1 year ago)
Launch price (MSRP)	$107	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Celeron J3455 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	4 (Quad-Core)	8 (Octa-Core)
Threads	4	16
Base clock speed	1.5 GHz	4 GHz
Boost clock speed	2.3 GHz	5.2 GHz
Multiplier	15	no data
L1 cache	no data	64K (per core)
L2 cache	2 MB	1 MB (per core)
L3 cache	0 KB	16 MB (shared)
Chip lithography	14 nm	4 nm
Die size	no data	178 mm2
Maximum core temperature	105 °C	100 °C
Number of transistors	no data	25,000 million
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Celeron J3455 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 (Uniprocessor)	1
Socket	FCBGA1296	FP8
Power consumption (TDP)	10 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron J3455 and Ryzen 9 7940HS. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	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	-	+
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
HD Audio	+	no data
RST	-	no data
Precision Boost 2	no data	+

Security technologies

Celeron J3455 and Ryzen 9 7940HS technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron J3455 and Ryzen 9 7940HS are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron J3455 and Ryzen 9 7940HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L/LPDDR3 up to 1866 MT/s; LPDDR4 up to 2400 MT/s	DDR5
Maximum memory size	8 GB	no data
Max memory channels	2	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 500	AMD Radeon 780M ( - 2800 MHz)
Max video memory	8 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	750 MHz	no data
Execution Units	12	no data

Graphics interfaces

Available interfaces and connections of Celeron J3455 and Ryzen 9 7940HS integrated GPUs.

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

Graphics API support

APIs supported by Celeron J3455 and Ryzen 9 7940HS integrated GPUs, sometimes API versions are included.

DirectX	+	no data
OpenGL	+	no data

Peripherals

Specifications and connection of peripherals supported by Celeron J3455 and Ryzen 9 7940HS.

PCIe version	2.0	4.0
PCI Express lanes	6	20
USB revision	2.0/3.0	no data
Total number of SATA ports	2	no data
Max number of SATA 6 Gb/s Ports	2	no data
Number of USB ports	8	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.

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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.

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Pros & cons summary

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Performance score	1.42	19.11
Integrated graphics card	0.77	18.32
Physical cores	4	8
Threads	4	16
Chip lithography	14 nm	4 nm
Power consumption (TDP)	10 Watt	35 Watt

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Should you still have questions on choice between Celeron J3455 and Ryzen 9 7940HS, ask them in Comments section, and we shall answer.

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