HD Graphics 400 vs Iris Pro Graphics 580
We compared two Integrated graphics card GPUs: 0System Shared VRAM HD Graphics 400 and 0System Shared VRAM Iris Pro Graphics 580 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
HD Graphics 400 's Advantages
Lower TDP (6W vs 15W)
Iris Pro Graphics 580 's Advantages
Boost Clock has increased by 58% (950MHz vs 600MHz)
480 additional rendering cores
Score
Benchmark
FP32 (float)
HD Graphics 400
115
Iris Pro Graphics 580
+851%
1094
Graphics Card
Apr 2015
Release Date
Sep 2015
HD Graphics-T
Generation
HD Graphics-M
Integrated
Type
Integrated
Ring Bus
Bus Interface
Ring Bus
Clock Speeds
320 MHz
Base Clock
350 MHz
600 MHz
Boost Clock
950 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
96
Shading Units
576
12
TMUs
72
2
ROPs
9
Theoretical Performance
1.200 GPixel/s
Pixel Rate
8.550 GPixel/s
7.200 GTexel/s
Texture Rate
68.40 GTexel/s
-
FP16 (half)
2.189 TFLOPS
115.2 GFLOPS
FP32 (float)
1094 GFLOPS
28.80 GFLOPS
FP64 (double)
273.6 GFLOPS
Board Design
6W
TDP
15W
No outputs
Outputs
No outputs
Graphics Processor
Braswell GT1
GPU Name
Skylake GT4e
Generation 8.0
Architecture
Generation 9.0
Intel
Foundry
Intel
14 nm
Process Size
14 nm+
Unknown
Transistors
Unknown
Unknown
Die Size
Unknown
Graphics Features
12 (11_1)
DirectX
12 (12_1)
4.3
OpenGL
4.6
3.0
OpenCL
3.0
1.0
Vulkan
1.3
5.1
Shader Model
6.4
