Iris Graphics 540 vs Radeon 660M
We compared two Integrated graphics card GPUs: 0System Shared VRAM Iris Graphics 540 and 0System Shared VRAM Radeon 660M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon 660M 's Advantages
Released 6 years and 4 months late
Boost Clock has increased by 90% (1900MHz vs 1000MHz)
Score
Benchmark
FP32 (float)
Iris Graphics 540
768
Radeon 660M
+89%
1459
3DMark Time Spy
Iris Graphics 540
416
Radeon 660M
+269%
1537
3DMark Time Spy Extreme
Iris Graphics 540
233
Radeon 660M
+200%
701
Graphics Card
Sep 2015
Release Date
Jan 2022
HD Graphics-M
Generation
Rembrandt
Integrated
Type
Integrated
Ring Bus
Bus Interface
PCIe 4.0 x8
Clock Speeds
300 MHz
Base Clock
1500 MHz
1000 MHz
Boost Clock
1900 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
6
384
Shading Units
384
48
TMUs
24
6
ROPs
16
-
RT Cores
6
-
L1 Cache
128 KB per Array
-
L2 Cache
2 MB
Theoretical Performance
6.000 GPixel/s
Pixel Rate
30.40 GPixel/s
48.00 GTexel/s
Texture Rate
45.60 GTexel/s
-
FP16 (half)
2.918 TFLOPS
768.0 GFLOPS
FP32 (float)
1459 GFLOPS
-
FP64 (double)
91.20 GFLOPS
Board Design
15W
TDP
15W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
Skylake GT3e
GPU Name
Rembrandt
Generation 9.0
Architecture
RDNA 2.0
Intel
Foundry
TSMC
14 nm+
Process Size
6 nm
Unknown
Transistors
13.1 billion
Unknown
Die Size
210 mm²
Graphics Features
12 (12_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.3
Vulkan
1.2
6.4
Shader Model
6.5
