Ryzen 9 7940HS vs Celeron 857

Primary details

Comparing Celeron 857 and Ryzen 9 7940HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	299
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	no data
Power efficiency	no data	51.72
Architecture codename	Sandy Bridge (2011−2013)	Phoenix-HS (Zen 4) (2023)
Release date	1 July 2011 (13 years ago)	January 2023 (1 year ago)
Launch price (MSRP)	$134	no data

Detailed specifications

Celeron 857 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	2 (Dual-core)	8 (Octa-Core)
Threads	2	16
Base clock speed	1.2 GHz	4 GHz
Boost clock speed	1.2 GHz	5.2 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	12	no data
L1 cache	128 KB	64K (per core)
L2 cache	512 KB	1 MB (per core)
L3 cache	2 MB (shared)	16 MB (shared)
Chip lithography	32 nm	4 nm
Die size	131 mm2	178 mm2
Maximum core temperature	100 °C	100 °C
Number of transistors	504 million	25,000 million
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Celeron 857 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	FCBGA1023	FP8
Power consumption (TDP)	17 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 857 and Ryzen 9 7940HS. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	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
My WiFi	-	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Demand Based Switching	-	no data
FDI	+	no data
Fast Memory Access	+	no data
Precision Boost 2	no data	+

Security technologies

Celeron 857 and Ryzen 9 7940HS technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 857 and Ryzen 9 7940HS 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 857 and Ryzen 9 7940HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5
Maximum memory size	16 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21.335 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 2nd Generation Intel® Processors	AMD Radeon 780M
Graphics max frequency	1 GHz	no data

Graphics interfaces

Available interfaces and connections of Celeron 857 and Ryzen 9 7940HS integrated GPUs.

Number of displays supported	2	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
SDVO	+	no data
CRT	+	no data

Peripherals

Specifications and connection of peripherals supported by Celeron 857 and Ryzen 9 7940HS.

PCIe version	2.0	4.0
PCI Express lanes	16	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.

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Pros & cons summary

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Physical cores	2	8
Threads	2	16
Chip lithography	32 nm	4 nm
Power consumption (TDP)	17 Watt	35 Watt

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Should you still have questions on choice between Celeron 857 and Ryzen 9 7940HS, ask them in Comments section, and we shall answer.

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