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 GT 545
CORE STATE
GF116
VRAM
1536 MB
CLOCK SPEED
—
TDP
70 W
BUS WIDTH
192 bit
ARCHITECTURE
Fermi 2.0
PROCESS
40 nm
LAUNCH DATE
2011
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Iris Pro Graphics P580
GT 545
Core Specs
Shading Units
576
144
-75.0%
Shaders
576
144
-75.0%
TMUs
72
24
-66.7%
ROPs
9
16
+77.8%
SM Count
—
3
Execution Units
72
—
Clocks
Base Clock
350 MHz
—
Boost Clock
1000 MHz
—
GPU Clock
—
720 MHz
Shader Clock
—
1440 MHz
Memory Clock
System Shared
800 MHz
1600 Mbps effective
Memory
Memory Size
System Shared
1536 MB
VRAM (MB)
—
1,536
Memory Type
System Shared
DDR3
Memory Bus
System Shared
192 bit
Bandwidth
System Dependent
38.40 GB/s
Cache
L1 Cache
—
64 KB (per SM)
L2 Cache
—
384 KB
Performance
Pixel Rate
9.000 GPixel/s
4.320 GPixel/s
Texture Rate
72.00 GTexel/s
17.28 GTexel/s
FP32 (TFLOPS)
1,152.0 GFLOPS
414.7 GFLOPS
FP64 (TFLOPS)
288.0 GFLOPS (1:4)
34.56 GFLOPS (1:12)
FP16 (TFLOPS)
2.304 TFLOPS (2:1)
—
Power
TDP
15 W
70 W
TDP (W)
15
70
+366.7%
Suggested PSU
—
250 W
Power Connectors
—
None
Architecture
Architecture
Generation 9.0
Fermi 2.0
GPU Name
Skylake GT4e
GF116
Generation
HD Graphics-W
(Skylake)
GeForce 500
Process Size
14 nm+
40 nm
Transistors
—
1,170 million
Die Size
—
238 mm²
Foundry
Intel
TSMC
Density
—
4.9M / mm²
API Support
DirectX
12 (12_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.3
—
OpenCL
3.0
1.1
CUDA
—
2.1
Shader Model
6.4
5.1
Physical
Slot Width
IGP
Single-slot
Length
—
145 mm
5.7 inches
Outputs
Motherboard Dependent
1x DVI1x HDMI 1.3a1x VGA
Bus Interface
Ring Bus
PCIe 2.0 x16
Other
Launch Price
—
149 USD
Production
End-of-life
End-of-life
Predecessor
—
GeForce 400
Successor
—
GeForce 600