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
P104-100
CORE STATE
GP104
VRAM
4 GB
CLOCK SPEED
1733 MHz
TDP
—
BUS WIDTH
256 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
DETAILED SPECIFICATIONS
SPECIFICATION
Iris Pro Graphics P580
P104-100
Core Specs
Shading Units
576
1,920
+233.3%
Shaders
576
1,920
+233.3%
TMUs
72
120
+66.7%
ROPs
9
64
+611.1%
SM Count
—
15
Execution Units
72
—
Clocks
Base Clock
350 MHz
1607 MHz
Boost Clock
1000 MHz
1733 MHz
Memory Clock
System Shared
1251 MHz
10 Gbps effective
Memory
Memory Size
System Shared
4 GB
VRAM (MB)
—
4,096
Memory Type
System Shared
GDDR5X
Memory Bus
System Shared
256 bit
Bandwidth
System Dependent
320.3 GB/s
Cache
L1 Cache
—
48 KB (per SM)
L2 Cache
—
2 MB
Performance
Pixel Rate
9.000 GPixel/s
110.9 GPixel/s
Texture Rate
72.00 GTexel/s
208.0 GTexel/s
FP32 (TFLOPS)
1,152.0 GFLOPS
6.655 TFLOPS
FP64 (TFLOPS)
288.0 GFLOPS (1:4)
208.0 GFLOPS (1:32)
FP16 (TFLOPS)
2.304 TFLOPS (2:1)
104.0 GFLOPS (1:64)
Power
TDP
15 W
—
TDP (W)
15
—
Suggested PSU
—
200 W
Power Connectors
—
1x 8-pin
Architecture
Architecture
Generation 9.0
Pascal
GPU Name
Skylake GT4e
GP104
Generation
HD Graphics-W
(Skylake)
Mining GPUs
Process Size
14 nm+
16 nm
Transistors
—
7,200 million
Die Size
—
314 mm²
Foundry
Intel
TSMC
Density
—
22.9M / mm²
API Support
DirectX
12 (12_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
3.0
3.0
CUDA
—
6.1
Shader Model
6.4
6.8
Physical
Slot Width
IGP
Dual-slot
Length
—
267 mm
10.5 inches
Outputs
Motherboard Dependent
No outputs
Bus Interface
Ring Bus
PCIe 1.0 x4
Other
Production
End-of-life
End-of-life