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
T400
CORE STATE
TU117
VRAM
2 GB
CLOCK SPEED
1425 MHz
TDP
30 W
BUS WIDTH
64 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Iris Pro Graphics P580
T400
Core Specs
Shading Units
576
384
-33.3%
Shaders
576
384
-33.3%
TMUs
72
24
-66.7%
ROPs
9
16
+77.8%
SM Count
—
6
Execution Units
72
—
Clocks
Base Clock
350 MHz
420 MHz
Boost Clock
1000 MHz
1425 MHz
Memory Clock
System Shared
1250 MHz
10 Gbps effective
Memory
Memory Size
System Shared
2 GB
VRAM (MB)
—
2,048
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
64 bit
Bandwidth
System Dependent
80.00 GB/s
Cache
L1 Cache
—
64 KB (per SM)
L2 Cache
—
1024 KB
Performance
Pixel Rate
9.000 GPixel/s
22.80 GPixel/s
Texture Rate
72.00 GTexel/s
34.20 GTexel/s
FP32 (TFLOPS)
1,152.0 GFLOPS
1,094.4 GFLOPS
FP64 (TFLOPS)
288.0 GFLOPS (1:4)
34.20 GFLOPS (1:32)
FP16 (TFLOPS)
2.304 TFLOPS (2:1)
2.189 TFLOPS (2:1)
Power
TDP
15 W
30 W
TDP (W)
15
30
+100.0%
Suggested PSU
—
200 W
Power Connectors
—
None
Architecture
Architecture
Generation 9.0
Turing
GPU Name
Skylake GT4e
TU117
Generation
HD Graphics-W
(Skylake)
Quadro Turing
(Tx000)
Process Size
14 nm+
12 nm
Transistors
—
4,700 million
Die Size
—
200 mm²
Foundry
Intel
TSMC
Density
—
23.5M / 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
—
7.5
Shader Model
6.4
6.8
Physical
Slot Width
IGP
Single-slot
Outputs
Motherboard Dependent
3x mini-DisplayPort 1.4a
Bus Interface
Ring Bus
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
—
Quadro Volta
Successor
—
Workstation Ampere