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 980 Ti
CORE STATE
GM200
VRAM
6 GB
CLOCK SPEED
1076 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
Iris Pro Graphics P580
GTX 980 Ti
Core Specs
Shading Units
576
2,816
+388.9%
Shaders
576
2,816
+388.9%
TMUs
72
176
+144.4%
ROPs
9
96
+966.7%
Execution Units
72
—
Clocks
Base Clock
350 MHz
1000 MHz
Boost Clock
1000 MHz
1076 MHz
Memory Clock
System Shared
1753 MHz
7 Gbps effective
Memory
Memory Size
System Shared
6 GB
VRAM (MB)
—
6,144
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
384 bit
Bandwidth
System Dependent
336.6 GB/s
Cache
L1 Cache
—
48 KB (per SMM)
L2 Cache
—
3 MB
Performance
Pixel Rate
9.000 GPixel/s
103.3 GPixel/s
Texture Rate
72.00 GTexel/s
189.4 GTexel/s
FP32 (TFLOPS)
1,152.0 GFLOPS
6.060 TFLOPS
FP64 (TFLOPS)
288.0 GFLOPS (1:4)
189.4 GFLOPS (1:32)
FP16 (TFLOPS)
2.304 TFLOPS (2:1)
—
Power
TDP
15 W
250 W
TDP (W)
15
250
+1566.7%
Suggested PSU
—
600 W
Power Connectors
—
1x 6-pin + 1x 8-pin
Architecture
Architecture
Generation 9.0
Maxwell 2.0
GPU Name
Skylake GT4e
GM200
Generation
HD Graphics-W
(Skylake)
GeForce 900
Process Size
14 nm+
28 nm
Transistors
—
8,000 million
Die Size
—
601 mm²
Foundry
Intel
TSMC
Density
—
13.3M / 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
—
5.2
Shader Model
6.4
6.8
Physical
Slot Width
IGP
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
111 mm
4.4 inches
Outputs
Motherboard Dependent
1x DVI1x HDMI 2.03x DisplayPort 1.2
Bus Interface
Ring Bus
PCIe 3.0 x16
Other
Launch Price
—
649 USD
Production
End-of-life
End-of-life
Predecessor
—
GeForce 700
Successor
—
GeForce 10