Home GPU Comparison Intel Iris Plus Graphics 655 vs Intel HD Graphics 620

Intel Iris Plus Graphics 655 vs Intel HD Graphics 620

We compared two Integrated graphics card GPUs: 0System Shared VRAM Iris Plus Graphics 655 and 0System Shared VRAM HD Graphics 620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Iris Plus Graphics 655 's Advantages
Released 1 years and 8 months late
Boost Clock has increased by 5% (1050MHz vs 1000MHz)
192 additional rendering cores

Score

Benchmark

FP32 (float)
Iris Plus Graphics 655 +109%
0.806 TFLOPS
HD Graphics 620
0.384 TFLOPS
3DMark Time Spy
Iris Plus Graphics 655 +87%
632
HD Graphics 620
337
3DMark Time Spy Extreme
Iris Plus Graphics 655 +84%
280
HD Graphics 620
152

Graphics Card

Apr 2018
Release Date
Aug 2016
HD Graphics-M
Generation
HD Graphics-M
Integrated
Type
Integrated
Ring Bus
Bus Interface
Ring Bus

Clock Speeds

300 MHz
Base Clock
300 MHz
1050 MHz
Boost Clock
1000 MHz
System Shared
Memory Clock
System Shared

Memory

System Shared
Memory Size
System Shared
System Shared
Memory Type
System Shared
System Shared
Memory Bus
System Shared
System Dependent
Bandwidth
System Dependent

Render Config

-
-
-
-
-
-
384
Shading Units
192
48
TMUs
24
6
ROPs
3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

Theoretical Performance

6.300 GPixel/s
Pixel Rate
3.000 GPixel/s
50.40 GTexel/s
Texture Rate
24.00 GTexel/s
1.613 TFLOPS
FP16 (half)
768.0 GFLOPS
806.4 GFLOPS
FP32 (float)
384.0 GFLOPS
201.6 GFLOPS
FP64 (double)
96.00 GFLOPS

Board Design

15W
TDP
15W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

Coffee Lake GT3e
GPU Name
Kaby Lake GT2
-
-
-
Generation 9.5
Architecture
Generation 9.5
Intel
Foundry
Intel
14 nm+++
Process Size
14 nm++
Unknown
Transistors
Unknown
Unknown
Die Size
Unknown

Graphics Features

12 (12_1)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
-
-
-
6.4
Shader Model
6.4
© 2025 - TopCPU.net