Iris Plus Graphics 640 vs Iris Pro Graphics 580
We compared two Integrated graphics card GPUs: 0System Shared VRAM Iris Plus Graphics 640 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
Iris Plus Graphics 640 's Advantages
Released 1 years and 4 months late
Boost Clock has increased by 16% (1100MHz vs 950MHz)
Iris Pro Graphics 580 's Advantages
192 additional rendering cores
Score
Benchmark
FP32 (float)
Iris Plus Graphics 640
845
Iris Pro Graphics 580
+29%
1094
3DMark Time Spy
Iris Plus Graphics 640
515
Iris Pro Graphics 580
+41%
728
3DMark Time Spy Extreme
Iris Plus Graphics 640
233
Iris Pro Graphics 580
+44%
336
Graphics Card
Jan 2017
Release Date
Sep 2015
HD Graphics-M
Generation
HD Graphics-M
Integrated
Type
Integrated
Ring Bus
Bus Interface
Ring Bus
Clock Speeds
300 MHz
Base Clock
350 MHz
1100 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
384
Shading Units
576
48
TMUs
72
6
ROPs
9
Theoretical Performance
6.600 GPixel/s
Pixel Rate
8.550 GPixel/s
52.80 GTexel/s
Texture Rate
68.40 GTexel/s
1.690 TFLOPS
FP16 (half)
2.189 TFLOPS
844.8 GFLOPS
FP32 (float)
1094 GFLOPS
211.2 GFLOPS
FP64 (double)
273.6 GFLOPS
Board Design
15W
TDP
15W
No outputs
Outputs
No outputs
Graphics Processor
Kaby Lake GT3e
GPU Name
Skylake GT4e
Generation 9.5
Architecture
Generation 9.0
Intel
Foundry
Intel
14 nm++
Process Size
14 nm+
Unknown
Transistors
Unknown
Unknown
Die Size
Unknown
Graphics Features
12 (12_1)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
6.4
Shader Model
6.4
