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 Xe MAX Graphics
CORE STATE
DG1
VRAM
4 GB
CLOCK SPEED
1650 MHz
TDP
25 W
BUS WIDTH
128 bit
ARCHITECTURE
Generation 12.1
PROCESS
10 nm
LAUNCH DATE
2020
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Iris Pro Graphics P580
Iris Xe MAX Graphics
Core Specs
Shading Units
576
768
+33.3%
Shaders
576
768
+33.3%
TMUs
72
48
-33.3%
ROPs
9
24
+166.7%
Execution Units
72
96
+33.3%
Clocks
Base Clock
350 MHz
300 MHz
Boost Clock
1000 MHz
1650 MHz
Memory Clock
System Shared
2133 MHz
4.3 Gbps effective
Memory
Memory Size
System Shared
4 GB
VRAM (MB)
—
4,096
Memory Type
System Shared
LPDDR4X
Memory Bus
System Shared
128 bit
Bandwidth
System Dependent
68.26 GB/s
Cache
L2 Cache
—
1024 KB
L3 Cache
—
16 MB
Performance
Pixel Rate
9.000 GPixel/s
39.60 GPixel/s
Texture Rate
72.00 GTexel/s
79.20 GTexel/s
FP32 (TFLOPS)
1,152.0 GFLOPS
2.534 TFLOPS
FP64 (TFLOPS)
288.0 GFLOPS (1:4)
633.6 GFLOPS (1:4)
FP16 (TFLOPS)
2.304 TFLOPS (2:1)
5.069 TFLOPS (2:1)
Power
TDP
15 W
25 W
TDP (W)
15
25
+66.7%
Suggested PSU
—
200 W
Architecture
Architecture
Generation 9.0
Generation 12.1
GPU Name
Skylake GT4e
DG1
Generation
HD Graphics-W
(Skylake)
Xe Graphics
Process Size
14 nm+
10 nm
Die Size
—
95 mm²
Foundry
Intel
Intel
API Support
DirectX
12 (12_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
3.0
3.0
Shader Model
6.4
6.6
Physical
Slot Width
IGP
IGP
Outputs
Motherboard Dependent
No outputs
Bus Interface
Ring Bus
PCIe 4.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
—
Graphics
Successor
—
Alchemist