Iris Plus Graphics 640 vs Radeon 660M
We compared two Integrated graphics card GPUs: 0System Shared VRAM Iris Plus Graphics 640 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 5 years late
Boost Clock has increased by 73% (1900MHz vs 1100MHz)
Score
Benchmark
FP32 (float)
Iris Plus Graphics 640
845
Radeon 660M
+72%
1459
3DMark Time Spy
Iris Plus Graphics 640
515
Radeon 660M
+198%
1537
3DMark Time Spy Extreme
Iris Plus Graphics 640
233
Radeon 660M
+200%
701
Graphics Card
Jan 2017
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
1100 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
6.600 GPixel/s
Pixel Rate
30.40 GPixel/s
52.80 GTexel/s
Texture Rate
45.60 GTexel/s
1.690 TFLOPS
FP16 (half)
2.918 TFLOPS
844.8 GFLOPS
FP32 (float)
1459 GFLOPS
211.2 GFLOPS
FP64 (double)
91.20 GFLOPS
Board Design
15W
TDP
15W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
Kaby Lake GT3e
GPU Name
Rembrandt
Generation 9.5
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