AMD Radeon 680M vs Intel Iris Plus Graphics 655
We compared two Integrated graphics card GPUs: 0System Shared VRAM Radeon 680M and 0System Shared VRAM Iris Plus Graphics 655 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon 680M 's Advantages
Released 3 years and 9 months late
Boost Clock has increased by 110% (2200MHz vs 1050MHz)
384 additional rendering cores
Intel Iris Plus Graphics 655 's Advantages
Lower TDP (15W vs 50W)
Score
Benchmark
FP32 (float)
Radeon 680M
+319%
3.379 TFLOPS
Iris Plus Graphics 655
0.806 TFLOPS
3DMark Time Spy
Radeon 680M
+270%
2339
Iris Plus Graphics 655
632
3DMark Time Spy Extreme
Radeon 680M
+288%
1087
Iris Plus Graphics 655
280
Graphics Card
Jan 2022
Release Date
Apr 2018
Navi II IGP
Generation
HD Graphics-M
Integrated
Type
Integrated
PCIe 4.0 x8
Bus Interface
Ring Bus
Clock Speeds
2000 MHz
Base Clock
300 MHz
2200 MHz
Boost Clock
1050 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
12
Compute Units
-
-
-
-
768
Shading Units
384
48
TMUs
48
32
ROPs
6
-
-
-
12
RT Cores
-
128 KB per Array
L1 Cache
-
2 MB
L2 Cache
-
-
-
-
Theoretical Performance
70.40 GPixel/s
Pixel Rate
6.300 GPixel/s
105.6 GTexel/s
Texture Rate
50.40 GTexel/s
6.758 TFLOPS
FP16 (half)
1.613 TFLOPS
3.379 TFLOPS
FP32 (float)
806.4 GFLOPS
211.2 GFLOPS
FP64 (double)
201.6 GFLOPS
Board Design
50W
TDP
15W
-
-
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Rembrandt
GPU Name
Coffee Lake GT3e
-
-
-
RDNA 2.0
Architecture
Generation 9.5
TSMC
Foundry
Intel
6 nm
Process Size
14 nm+++
13.1 billion
Transistors
Unknown
208 mm²
Die Size
Unknown
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_1)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.3
Vulkan
1.3
-
-
-
6.7
Shader Model
6.4
