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
GEFORCE
GeForce GTX 950A
CORE STATE
GM107
VRAM
2 GB
CLOCK SPEED
1124 MHz
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Iris Pro Graphics P580
GTX 950A
Core Specs
Shading Units
576
640
+11.1%
Shaders
576
640
+11.1%
TMUs
72
40
-44.4%
ROPs
9
16
+77.8%
Execution Units
72
—
Clocks
Base Clock
350 MHz
993 MHz
Boost Clock
1000 MHz
1124 MHz
Memory Clock
System Shared
1001 MHz
2 Gbps effective
Memory
Memory Size
System Shared
2 GB
VRAM (MB)
—
2,048
Memory Type
System Shared
DDR3
Memory Bus
System Shared
128 bit
Bandwidth
System Dependent
32.03 GB/s
Cache
L1 Cache
—
64 KB (per SMM)
L2 Cache
—
2 MB
Performance
Pixel Rate
9.000 GPixel/s
17.98 GPixel/s
Texture Rate
72.00 GTexel/s
44.96 GTexel/s
FP32 (TFLOPS)
1,152.0 GFLOPS
1,438.7 GFLOPS
FP64 (TFLOPS)
288.0 GFLOPS (1:4)
44.96 GFLOPS (1:32)
FP16 (TFLOPS)
2.304 TFLOPS (2:1)
—
Power
TDP
15 W
75 W
TDP (W)
15
75
+400.0%
Power Connectors
—
None
Architecture
Architecture
Generation 9.0
Maxwell
GPU Name
Skylake GT4e
GM107
Generation
HD Graphics-W
(Skylake)
GeForce 900A
Process Size
14 nm+
28 nm
Transistors
—
1,870 million
Die Size
—
148 mm²
Foundry
Intel
TSMC
Density
—
12.6M / mm²
API Support
DirectX
12 (12_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
3.0
3.0
CUDA
—
5.0
Shader Model
6.4
6.7 (5.1)
Physical
Slot Width
IGP
MXM Module
Outputs
Motherboard Dependent
Portable Device Dependent
Bus Interface
Ring Bus
MXM-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
—
GeForce 800A