Ryzen 9 7945HX vs Ryzen Threadripper 3980X

Primary details

Comparing Ryzen Threadripper 3980X and Ryzen 9 7945HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	108
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	AMD Ryzen Threadripper	no data
Power efficiency	no data	59.20
Architecture codename	Matisse (2019−2020)	Dragon Range-HX (Zen 4) (2023−2024)
Release date	14 November 2019 (4 years ago)	4 January 2023 (1 year ago)

Detailed specifications

Ryzen Threadripper 3980X 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	48 (Octatetraconta-Core)	16 (Hexadeca-Core)
Threads	96	32
Base clock speed	3.5 GHz	2.5 GHz
Boost clock speed	4.5 GHz	5.4 GHz
Multiplier	32	no data
L1 cache	3 MB	64K (per core)
L2 cache	24 MB	1 MB (per core)
L3 cache	128 MB	64 MB (shared)
Chip lithography	7 nm, 12 nm	CCD = 5 nm, I/O = 6 nm
Die size	no data	2x 71 mm2
Maximum core temperature	no data	100 °C
Number of transistors	19,200 million	13,140 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	+

Compatibility

Information on Ryzen Threadripper 3980X 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	TR4	FL1
Power consumption (TDP)	280 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper 3980X 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	+	+
Precision Boost 2	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper 3980X and Ryzen 9 7945HX are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 3980X and Ryzen 9 7945HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR5
Maximum memory size	512 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	102.403 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon 610M

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper 3980X and Ryzen 9 7945HX.

PCIe version	no data	5.0
PCI Express lanes	no data	28

Pros & cons summary

---

Recency	14 November 2019	4 January 2023
Physical cores	48	16
Threads	96	32
Power consumption (TDP)	280 Watt	55 Watt

---

Should you still have questions on choice between Ryzen Threadripper 3980X and Ryzen 9 7945HX, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---