Ryzen 9 7945HX vs Pentium J2900

Primary details

Comparing Pentium J2900 and Ryzen 9 7945HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2632	111
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Pentium	no data
Power efficiency	7.48	59.23
Architecture codename	Bay Trail-D (2013)	Dragon Range-HX (Zen 4) (2023−2024)
Release date	1 November 2013 (11 years ago)	4 January 2023 (1 year ago)
Launch price (MSRP)	$94	no data

Detailed specifications

Pentium J2900 and Ryzen 9 7945HX 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)	16 (Hexadeca-Core)
Threads	4	32
Base clock speed	2.41 GHz	2.5 GHz
Boost clock speed	2.66 GHz	5.4 GHz
L1 cache	224 KB	64K (per core)
L2 cache	2 MB	1 MB (per core)
L3 cache	2 MB L2 Cache	64 MB (shared)
Chip lithography	22 nm	CCD = 5 nm, I/O = 6 nm
Die size	no data	2x 71 mm2
Maximum core temperature	105 °C	100 °C
Number of transistors	no data	13,140 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Pentium J2900 and Ryzen 9 7945HX 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	1
Socket	FCBGA1170	FL1
Power consumption (TDP)	10 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium J2900 and Ryzen 9 7945HX. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	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
PAE	36 Bit	no data
FDI	-	no data
RST	-	no data
Precision Boost 2	no data	+

Security technologies

Pentium J2900 and Ryzen 9 7945HX technologies aimed at improving security, for example, by protecting against hacks.

EDB	+	no data
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium J2900 and Ryzen 9 7945HX are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium J2900 and Ryzen 9 7945HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5
Maximum memory size	8 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21.3 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics for Intel Atom Processor Z3700 Series	AMD Radeon 610M (400 - 2200 MHz)
Quick Sync Video	+	-
Graphics max frequency	896 MHz	no data

Graphics interfaces

Available interfaces and connections of Pentium J2900 and Ryzen 9 7945HX integrated GPUs.

Number of displays supported

2

no data

Graphics API support

APIs supported by Pentium J2900 and Ryzen 9 7945HX integrated GPUs, sometimes API versions are included.

DirectX

11.2

no data

Peripherals

Specifications and connection of peripherals supported by Pentium J2900 and Ryzen 9 7945HX.

PCIe version	2.0	5.0
PCI Express lanes	4	28
USB revision	3.0 and 2.0	no data
Total number of SATA ports	2	no data
Number of USB ports	5	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	0.79	34.42
Integrated graphics card	0.77	2.85
Recency	1 November 2013	4 January 2023
Physical cores	4	16
Threads	4	32
Power consumption (TDP)	10 Watt	55 Watt

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Should you still have questions on choice between Pentium J2900 and Ryzen 9 7945HX, ask them in Comments section, and we shall answer.

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