Iris Plus Graphics 640 vs HD Graphics 405
We compared two Integrated graphics card GPUs: 0System Shared VRAM Iris Plus Graphics 640 and 0System Shared VRAM HD Graphics 405 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Iris Plus Graphics 640 's Advantages
Released 9 months late
Boost Clock has increased by 49% (1100MHz vs 740MHz)
256 additional rendering cores
HD Graphics 405 's Advantages
Lower TDP (6W vs 15W)
Score
Benchmark
FP32 (float)
Iris Plus Graphics 640
+452%
845
HD Graphics 405
153
3DMark Time Spy
Iris Plus Graphics 640
+385%
515
HD Graphics 405
106
Graphics Card
Jan 2017
Release Date
Apr 2016
HD Graphics-M
Generation
HD Graphics-T
Integrated
Type
Integrated
Ring Bus
Bus Interface
Ring Bus
Clock Speeds
300 MHz
Base Clock
400 MHz
1100 MHz
Boost Clock
740 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
384
Shading Units
128
48
TMUs
16
6
ROPs
2
Theoretical Performance
6.600 GPixel/s
Pixel Rate
1.200 GPixel/s
52.80 GTexel/s
Texture Rate
9.600 GTexel/s
1.690 TFLOPS
FP16 (half)
-
844.8 GFLOPS
FP32 (float)
153.6 GFLOPS
211.2 GFLOPS
FP64 (double)
38.40 GFLOPS
Board Design
15W
TDP
6W
No outputs
Outputs
Portable Device Dependent
Graphics Processor
Kaby Lake GT3e
GPU Name
Braswell GT1
Generation 9.5
Architecture
Generation 8.0
Intel
Foundry
Intel
14 nm++
Process Size
14 nm
Unknown
Transistors
Unknown
Unknown
Die Size
Unknown
Graphics Features
12 (12_1)
DirectX
12 (11_1)
4.6
OpenGL
4.3
3.0
OpenCL
2.0
1.3
Vulkan
1.1
6.4
Shader Model
5.1
