Intel Iris Pro Graphics P580 vs Intel Iris Pro Graphics P555
We compared two Integrated graphics card GPUs: 0System Shared VRAM Iris Pro Graphics P580 and 0System Shared VRAM Iris Pro Graphics P555 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Intel Iris Pro Graphics P580 's Advantages
192 additional rendering cores
Score
Benchmark
FP32 (float)
Iris Pro Graphics P580
+50%
1.152 TFLOPS
Iris Pro Graphics P555
0.768 TFLOPS
Graphics Card
Sep 2015
Release Date
Sep 2015
HD Graphics-W
Generation
HD Graphics-W
Integrated
Type
Integrated
Ring Bus
Bus Interface
Ring Bus
Clock Speeds
350 MHz
Base Clock
350 MHz
1000 MHz
Boost Clock
1000 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
-
-
-
-
-
-
576
Shading Units
384
72
TMUs
48
9
ROPs
6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Theoretical Performance
9.000 GPixel/s
Pixel Rate
6.000 GPixel/s
72.00 GTexel/s
Texture Rate
48.00 GTexel/s
2.304 TFLOPS
FP16 (half)
1.536 TFLOPS
1152 GFLOPS
FP32 (float)
768.0 GFLOPS
288.0 GFLOPS
FP64 (double)
192.0 GFLOPS
Board Design
15W
TDP
15W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
Skylake GT4e
GPU Name
Skylake GT3e
-
-
-
Generation 9.0
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
