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AMD Ryzen Threadripper 3990X vs Ryzen 7 3750H

We compared two CPUs: the 2.9 GHz AMD Ryzen Threadripper 3990X (desktop) with 64-cores against the 2.3 GHz Ryzen 7 3750H (laptop) with 4-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.


General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Measure performance when all cores are involved
Power Efficiency
The efficiency score of electricity consumption
NanoReview Final Score
Generic CPU rating

Key Differences

What are the key differences between 3750H and 3990X
Advantages of AMD Ryzen Threadripper 3990X
  • Has 124 MB larger L3 cache size
  • Has 60 more physical cores
  • Supports up to 256 GB DDR4-3200 RAM
  • Around 59.61 GB/s (167%) higher theoretical memory bandwidth
  • Unlocked multiplier
  • Supports quad-channel memory
  • More modern manufacturing process – 7 versus 12 nanometers
  • Newer - released 1-year later
  • 44% faster in a single-core Geekbench v5 test - 1219 vs 849 points
  • Newer PCI Express version – 4.0
  • 7% higher Turbo Boost frequency (4.3 GHz vs 4 GHz)
Advantages of AMD Ryzen 7 3750H
  • Consumes up to 88% less energy than the Ryzen Threadripper 3990X – 35 vs 280 Watt
  • Includes an integrated GPU Radeon RX Vega 10
  • More than 10° C higher critical temperature


Comparing the performance of CPUs in benchmarks
Cinebench R20 (Single-Core)
Cinebench R20 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)


Full technical specification of AMD Ryzen Threadripper 3990X and Ryzen 7 3750H


Vendor AMD AMD
Released January 10, 2020 January 6, 2019
Launch price 3990 USD 1100 USD
Type Desktop Laptop
Codename Zen 2 Zen+
Socket sTRX4 FP5
Integrated GPU No Radeon RX Vega 10


Cores 64 4
Threads 128 8
Base Frequency 2.9 GHz 2.3 GHz
Turbo Boost Frequency 4.3 GHz 4 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 29x 23x
L1 Cache 96K (per core) 128K (per core)
L2 Cache 512K (per core) 512K (per core)
L3 Cache 128MB (shared) 4MB (shared)
Unlocked Multiplier Yes No


Transistors 19.2 billions 4.9 billions
Fabrication process 7 nm 12 nm
TDP 280 W 35 W
Max. temperature 95°C 105°C

Memory support

Memory types DDR4-3200 DDR4-2400
Memory Size 256 GB 32 GB
Max. Memory Channels 4 2
Max. Memory Bandwidth 95.37 GB/s 35.76 GB/s
ECC Support Yes Yes


Official site AMD Ryzen Threadripper 3990X official page AMD Ryzen 7 3750H official page
PCI Express Version 4.0 3.0
PCI Express Lanes 64 12

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So which CPU will you choose: AMD Ryzen 7 3750H or Threadripper 3990X?