Radeon 660M vs Iris Xe Graphics 80EU
We compared two Integrated graphics card GPUs: 0System Shared VRAM Radeon 660M and 0System Shared VRAM Iris Xe Graphics 80EU to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon 660M 's Advantages
Boost Clock has increased by 46% (1900MHz vs 1300MHz)
Lower TDP (15W vs 45W)
Iris Xe Graphics 80EU 's Advantages
256 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon 660M
1459
Iris Xe Graphics 80EU
+14%
1664
3DMark Time Spy
Radeon 660M
+24%
1537
Iris Xe Graphics 80EU
1230
3DMark Time Spy Extreme
Radeon 660M
+11%
701
Iris Xe Graphics 80EU
628
Blender
Radeon 660M
+158%
243
Iris Xe Graphics 80EU
94
Graphics Card
Jan 2022
Release Date
Jan 2022
Rembrandt
Generation
HD Graphics-M
Integrated
Type
Integrated
PCIe 4.0 x8
Bus Interface
Ring Bus
Clock Speeds
1500 MHz
Base Clock
300 MHz
1900 MHz
Boost Clock
1300 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
6
Compute Units
-
384
Shading Units
640
24
TMUs
40
16
ROPs
20
6
RT Cores
-
128 KB per Array
L1 Cache
-
2 MB
L2 Cache
1024 KB
-
L3 Cache
12 MB
Theoretical Performance
30.40 GPixel/s
Pixel Rate
26.00 GPixel/s
45.60 GTexel/s
Texture Rate
52.00 GTexel/s
2.918 TFLOPS
FP16 (half)
3.328 TFLOPS
1459 GFLOPS
FP32 (float)
1.664 TFLOPS
91.20 GFLOPS
FP64 (double)
416.0 GFLOPS
Board Design
15W
TDP
45W
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Rembrandt
GPU Name
Alder Lake GT1
RDNA 2.0
Architecture
Generation 12.2
TSMC
Foundry
Intel
6 nm
Process Size
10 nm
13.1 billion
Transistors
Unknown
210 mm²
Die Size
Unknown
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_1)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.3
6.5
Shader Model
6.4
