Home GPU Comparison Intel Iris Plus Graphics 655 vs AMD Radeon 780M

Intel Iris Plus Graphics 655 vs AMD Radeon 780M

We compared two Integrated graphics card GPUs: 0System Shared VRAM Iris Plus Graphics 655 and 0System Shared VRAM AMD Radeon 780M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 780M 's Advantages
Released 4 years and 9 months late
Boost Clock has increased by 157% (2700MHz vs 1050MHz)
384 additional rendering cores

Score

Benchmark

FP32 (float)
Iris Plus Graphics 655
0.806 TFLOPS
AMD Radeon 780M +929%
8.294 TFLOPS
3DMark Time Spy
Iris Plus Graphics 655
632
AMD Radeon 780M +339%
2775
3DMark Time Spy Extreme
Iris Plus Graphics 655
280
AMD Radeon 780M +372%
1324

Graphics Card

Apr 2018
Release Date
Jan 2023
HD Graphics-M
Generation
Navi III IGP
Integrated
Type
Integrated
Ring Bus
Bus Interface
PCIe 4.0 x8

Clock Speeds

300 MHz
Base Clock
800 MHz
1050 MHz
Boost Clock
2700 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

-
Compute Units
12
-
-
-
384
Shading Units
768
48
TMUs
48
6
ROPs
32
-
-
-
-
RT Cores
12
-
L1 Cache
128 KB per Array
-
L2 Cache
2 MB
-
-
-

Theoretical Performance

6.300 GPixel/s
Pixel Rate
86.40 GPixel/s
50.40 GTexel/s
Texture Rate
129.6 GTexel/s
1.613 TFLOPS
FP16 (half)
16.59 TFLOPS
806.4 GFLOPS
FP32 (float)
8.294 TFLOPS
201.6 GFLOPS
FP64 (double)
518.4 GFLOPS

Board Design

15W
TDP
15W
-
-
-
No outputs
Outputs
Portable Device Dependent
-
Power Connectors
None

Graphics Processor

Coffee Lake GT3e
GPU Name
Phoenix
-
-
-
Generation 9.5
Architecture
RDNA 3.0
Intel
Foundry
TSMC
14 nm+++
Process Size
4 nm
Unknown
Transistors
25.39 billion
Unknown
Die Size
178 mm²

Graphics Features

12 (12_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.3
-
-
-
6.4
Shader Model
6.7
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