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 965M
CORE STATE
GM204
VRAM
2 GB
CLOCK SPEED
950 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Iris Pro Graphics P580
GTX 965M
Core Specs
Shading Units
576
1,024
+77.8%
Shaders
576
1,024
+77.8%
TMUs
72
64
-11.1%
ROPs
9
32
+255.6%
Execution Units
72
—
Clocks
Base Clock
350 MHz
924 MHz
Boost Clock
1000 MHz
950 MHz
Memory Clock
System Shared
1253 MHz
5 Gbps effective
Memory
Memory Size
System Shared
2 GB
VRAM (MB)
—
2,048
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
128 bit
Bandwidth
System Dependent
80.19 GB/s
Cache
L1 Cache
—
48 KB (per SMM)
L2 Cache
—
1024 KB
Performance
Pixel Rate
9.000 GPixel/s
30.40 GPixel/s
Texture Rate
72.00 GTexel/s
60.80 GTexel/s
FP32 (TFLOPS)
1,152.0 GFLOPS
1.946 TFLOPS
FP64 (TFLOPS)
288.0 GFLOPS (1:4)
60.80 GFLOPS (1:32)
FP16 (TFLOPS)
2.304 TFLOPS (2:1)
—
Power
TDP
15 W
—
TDP (W)
15
—
Power Connectors
—
None
Architecture
Architecture
Generation 9.0
Maxwell 2.0
GPU Name
Skylake GT4e
GM204
Generation
HD Graphics-W
(Skylake)
GeForce 900M
Process Size
14 nm+
28 nm
Transistors
—
5,200 million
Die Size
—
398 mm²
Foundry
Intel
TSMC
Density
—
13.1M / 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
MXM Module
Outputs
Motherboard Dependent
Portable Device Dependent
Bus Interface
Ring Bus
MXM-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
—
GeForce 800M
Successor
—
GeForce 10 Mobile