GPU Comparison
GPU
Intel Iris Pro Graphics P580
CORE STATE
Skylake GT4e
VRAM
System Shared
CLOCK SPEED
1000 MHz
TDP
15 W
BUS WIDTH
System Shared
ARCHITECTURE
Generation 9.0
PROCESS
14 nm+
LAUNCH DATE
2015
VS
GPU
Iris Pro Graphics P6300
CORE STATE
Broadwell GT3e
VRAM
System Shared
CLOCK SPEED
800 MHz
TDP
15 W
BUS WIDTH
System Shared
ARCHITECTURE
Generation 8.0
PROCESS
14 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Iris Pro Graphics P580
Iris Pro Graphics P6300
Core Specs
Shading Units
576
384
-33.3%
Shaders
576
384
-33.3%
TMUs
72
48
-33.3%
ROPs
9
6
-33.3%
Execution Units
72
48
-33.3%
Clocks
Base Clock
350 MHz
300 MHz
Boost Clock
1000 MHz
800 MHz
Memory Clock
System Shared
System Shared
Memory
Memory Size
System Shared
System Shared
Memory Type
System Shared
System Shared
Memory Bus
System Shared
System Shared
Bandwidth
System Dependent
System Dependent
Performance
Pixel Rate
9.000 GPixel/s
4.800 GPixel/s
Texture Rate
72.00 GTexel/s
38.40 GTexel/s
FP32 (TFLOPS)
1,152.0 GFLOPS
614.4 GFLOPS
FP64 (TFLOPS)
288.0 GFLOPS (1:4)
153.6 GFLOPS (1:4)
FP16 (TFLOPS)
2.304 TFLOPS (2:1)
—
Power
TDP
15 W
15 W
TDP (W)
15
15
0.0%
Architecture
Architecture
Generation 9.0
Generation 8.0
GPU Name
Skylake GT4e
Broadwell GT3e
Generation
HD Graphics-W
(Skylake)
HD Graphics-W
(Broadwell)
Process Size
14 nm+
14 nm
Foundry
Intel
Intel
API Support
DirectX
12 (12_1)
12 (11_1)
OpenGL
4.6
4.4
Vulkan
1.3
1.0
OpenCL
3.0
3.0
Shader Model
6.4
5.1
Physical
Slot Width
IGP
IGP
Outputs
Motherboard Dependent
Motherboard Dependent
Bus Interface
Ring Bus
Ring Bus
Other
Production
End-of-life
End-of-life