AMD Ryzen Threadripper 3990X vs AMD Ryzen 7 H 255
CPU · Specs Compare
General Parameters
Release Date
Jan 2020
Aug 2025
Manufacturer
AMD
Amd
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 2
Zen 4 (Hawk Point)
Integrated Graphics
N/A
Radeon 780M
Package
Transistor Count
19.2 billions
25 billions
Manufacturing Process
7 nm
4 nm
Socket
sTRX4
FP8
Power Consumption
280 W
35-54 W
Peak Operating Temperature
95 °C
100 °C
Die Size
—
178 mm²
CPU Performance
Performance Cores
64
8
Performance Core Threads
128
16
Performance Core Base Frequency
2.9 GHz
3.8 GHz
Performance Core Turbo Frequency
4.3 GHz
4.9 GHz
Total Core Count
64
8
Total Thread Count
128
16
Bus Frequency
100 MHz
100 MHz
Multiplier
29x
38
L1 Cache
96 K per core
64 K per core
L2 Cache
512 K per core
1 MB per core
L3 Cache
128 MB shared
16 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR4-3200
DDR5-5600,LPDDR5x-7500
Max Memory Size
256 GB
256 GB
Max Memory Channels
4
2
Max Memory Bandwidth
95.37 GB/s
120 GB/s
ECC Memory Support
Yes
No
Miscellaneous
PCIe Version
4.0
4.0
PCIe Lanes
64
20
Graphics Card Parameters
Integrated Graphics
—
true
GPU Base Frequency
—
800 MHz
GPU Max Dynamic Frequency
—
2600 MHz
Shader Units
—
768
Texture Units
—
48
Raster Operation Units
—
32
Execution Units
—
12
Power Consumption
—
15
AI Accelerator
Theoretical performance
—
TOPS
Benchmark
Cinebench R23
1,262
1,718
Cinebench R23
75,671
16,387
Geekbench 6
1,138
2,551
Geekbench 5
1,265
—
Geekbench 6
11,211
12,673
Geekbench 5
27,453
—
Passmark CPU
2,564
—
Passmark CPU
80,316
—
Cinebench 2024
—
100
Cinebench 2024
—
923
▲ Specs Compare
Data sourced from official specifications and benchmark tests.