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 560 Ti
CORE STATE
GF114
VRAM
1024 MB
CLOCK SPEED
—
TDP
170 W
BUS WIDTH
256 bit
ARCHITECTURE
Fermi 2.0
PROCESS
40 nm
LAUNCH DATE
2011
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Iris Pro Graphics P580
GTX 560 Ti
Core Specs
Shading Units
576
384
-33.3%
Shaders
576
384
-33.3%
TMUs
72
64
-11.1%
ROPs
9
32
+255.6%
SM Count
—
8
Execution Units
72
—
Clocks
Base Clock
350 MHz
—
Boost Clock
1000 MHz
—
GPU Clock
—
823 MHz
Shader Clock
—
1645 MHz
Memory Clock
System Shared
1002 MHz
4 Gbps effective
Memory
Memory Size
System Shared
1024 MB
VRAM (MB)
—
1,024
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
256 bit
Bandwidth
System Dependent
128.3 GB/s
Cache
L1 Cache
—
64 KB (per SM)
L2 Cache
—
512 KB
Performance
Pixel Rate
9.000 GPixel/s
13.17 GPixel/s
Texture Rate
72.00 GTexel/s
52.67 GTexel/s
FP32 (TFLOPS)
1,152.0 GFLOPS
1,263.4 GFLOPS
FP64 (TFLOPS)
288.0 GFLOPS (1:4)
105.3 GFLOPS (1:12)
FP16 (TFLOPS)
2.304 TFLOPS (2:1)
—
Power
TDP
15 W
170 W
TDP (W)
15
170
+1033.3%
Suggested PSU
—
450 W
Power Connectors
—
2x 6-pin
Architecture
Architecture
Generation 9.0
Fermi 2.0
GPU Name
Skylake GT4e
GF114
Generation
HD Graphics-W
(Skylake)
GeForce 500
Process Size
14 nm+
40 nm
Transistors
—
1,950 million
Die Size
—
332 mm²
Foundry
Intel
TSMC
Density
—
5.9M / 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
Dual-slot
Length
—
229 mm
9 inches
Outputs
Motherboard Dependent
2x DVI1x mini-HDMI 1.3a
Bus Interface
Ring Bus
PCIe 2.0 x16
Other
Launch Price
—
249 USD
Production
End-of-life
End-of-life
Predecessor
—
GeForce 400
Successor
—
GeForce 600