Ryzen 9 PRO 8945HS vs Ryzen 7 3800XT

Primary details

Comparing Ryzen 7 3800XT and Ryzen 9 PRO 8945HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	424	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	35.62	no data
Market segment	Desktop processor	Server
Series	AMD Ryzen 7	no data
Architecture codename	Matisse (Zen 2) (2019−2020)	Hawk Point-HS (Zen 4)
Release date	7 July 2020 (3 years ago)	16 April 2024 (less than a year ago)
Launch price (MSRP)	$399	no data
Current price	$286 (0.7x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 7 3800XT and Ryzen 9 PRO 8945HS 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	8 (Octa-Core)	8 (Octa-Core)
Threads	16	16
Base clock speed	3.8 GHz	4 GHz
Boost clock speed	4.7 GHz	5.2 GHz
L1 cache	96K (per core)	64 KB (per core)
L2 cache	512K (per core)	1 MB (per core)
L3 cache	32 MB	16 MB (shared)
Chip lithography	7 nm	4 nm
Die size	74 mm2	178 mm2
Maximum core temperature	95 °C	no data
Maximum case temperature (TCase)	95 °C	no data
Number of transistors	3,800 million	25,000 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	Yes	No

Compatibility

Information on Ryzen 7 3800XT and Ryzen 9 PRO 8945HS 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	AM4	FP7
Power consumption (TDP)	105 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 3800XT and Ryzen 9 PRO 8945HS. You'll probably need this information if you require some particular technology.

Instruction set extensions	DDR4-3200 RAM, PCIe 4, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME	no data
AES-NI	+	+
FMA	+	no data
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 3800XT and Ryzen 9 PRO 8945HS are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 3800XT and Ryzen 9 PRO 8945HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	51.196 GB/s	no data
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

-

AMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 3800XT and Ryzen 9 PRO 8945HS.

PCIe version	4.0	4.0
PCI Express lanes	no data	20

Pros & cons summary

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Recency	7 July 2020	16 April 2024
Chip lithography	7 nm	4 nm
Power consumption (TDP)	105 Watt	45 Watt

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Should you still have questions on choice between Ryzen 7 3800XT and Ryzen 9 PRO 8945HS, ask them in Comments section, and we shall answer.

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