Iris Pro Graphics P580 and GeForce GT 540M - video card comparison
Passmark - benchmark score Iris Pro Graphics P580 vs GeForce GT 540M
Iris Pro Graphics P580
2081
GeForce GT 540M
493
Iris Pro Graphics P580
GeForce GT 540M
Architecture
Gen. 9 Skylake (2015−2016)
Fermi (2010−2014)
GPU code name
Skylake GT4e
N12P-GS
Market segment
Laptop
Laptop
Release date
September 2015
January 2011
Interface
PCIe 3.0 x1
MXM-A (3.0)
Boost clock speed
1100 MHz
-
Core clock speed
350 MHz
672 MHz
CUDA cores
-
96
Floating-point performance
-
258.05 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
189 million
585 million
Pipelines / CUDA cores
72
96
Power consumption (TDP)
15 Watt
35 Watt
Texture fill rate
75.60
10.8 billion/sec
Memory type
DDR3L/LPDDR3/DDR4
DDR3
Maximum RAM amount
64 GB
2 GB
Memory bus width
eDRAM + 64/128 Bit
128 Bit
Memory clock speed
System Shared
900 MHz
Memory bandwidth
-
28.8 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
12 API
CUDA
-
+
OpenCL
2.1
1.1
OpenGL
4.6
4.5
Shader Model
6.4
5.1
Vulkan
1.1.97
N/A
3D Blu-Ray
-
+
3D Gaming
-
+
Optimus
-
+
Quick Sync
+
-