Ryzen 9 7945HX vs Sempron 3850

Primary Details

Comparing Sempron 3850 and Ryzen 9 7945HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2545	88
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Architecture codename	Kabini (2013−2014)	Dragon Range-HX (Zen 4)
Release date	9 April 2014 (10 years ago)	4 January 2023 (1 year ago)
Current price	$99	no data

Detailed Specifications

Sempron 3850 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	no data	2.5 GHz
Boost clock speed	1.3 GHz	5.4 GHz
L1 cache	256 KB	64K (per core)
L2 cache	2048 KB	1 MB (per core)
L3 cache	no data	64 MB (shared)
Chip lithography	28 nm	CCD = 5 nm, I/O = 6 nm
Die size	107 mm2	2x 71 mm2
Maximum core temperature	90 °C	100 °C
Maximum case temperature (TCase)	90 °C	no data
Number of transistors	no data	13,140 million
64 bit support	+	+
Windows 11 compatibility	no data	+
Unlocked multiplier	No	Yes

Compatibility

Information on Sempron 3850 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	AM1	FL1
Power consumption (TDP)	25 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Sempron 3850 and Ryzen 9 7945HX. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	DDR5-5200 RAM, PCIe 5, 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	FMA4	+
AVX	+	+
PowerTune	-	no data
TrueAudio	-	no data
PowerNow	+	no data
PowerGating	+	no data
Out-of-band client management	-	no data
VirusProtect	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Sempron 3850 and Ryzen 9 7945HX are enumerated here.

AMD-V	+	+
IOMMU 2.0	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Sempron 3850 and Ryzen 9 7945HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1600	DDR5
Max memory channels	1	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	AMD Radeon R3 Graphics	AMD Radeon 610M
Number of pipelines	128	no data
Enduro	+	no data
Switchable graphics	1	no data
UVD	+	no data
VCE	+	no data

Graphics interfaces

Available interfaces and connections of Sempron 3850 and Ryzen 9 7945HX integrated GPUs.

DisplayPort	+	no data
HDMI	+	no data

Graphics API support

APIs supported by Sempron 3850 and Ryzen 9 7945HX integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	no data
Vulkan	1	no data

Peripherals

Specifications and connection of peripherals supported by Sempron 3850 and Ryzen 9 7945HX.

PCIe version	2.0	5.0
PCI Express lanes	4	28

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.

Ryzen 9 7945HX outperforms Sempron 3850 by 4700% based on our aggregated benchmark results.

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Pros & Cons Summary

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Performance score	0.74	35.52
Integrated graphics card		2.86
Recency	9 April 2014	4 January 2023
Physical cores	4	16
Threads	4	32
Power consumption (TDP)	25 Watt	55 Watt

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Should you still have questions on choice between Sempron 3850 and Ryzen 9 7945HX, ask them in Comments section, and we shall answer.

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