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 460M
CORE STATE
GF106
VRAM
1536 MB
CLOCK SPEED
—
TDP
50 W
BUS WIDTH
192 bit
ARCHITECTURE
Fermi
PROCESS
40 nm
LAUNCH DATE
2010
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Iris Pro Graphics P580
GTX 460M
Core Specs
Shading Units
576
192
-66.7%
Shaders
576
192
-66.7%
TMUs
72
32
-55.6%
ROPs
9
24
+166.7%
SM Count
—
4
Execution Units
72
—
Clocks
Base Clock
350 MHz
—
Boost Clock
1000 MHz
—
GPU Clock
—
675 MHz
Shader Clock
—
1350 MHz
Memory Clock
System Shared
625 MHz
2.5 Gbps effective
Memory
Memory Size
System Shared
1536 MB
VRAM (MB)
—
1,536
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
192 bit
Bandwidth
System Dependent
60.00 GB/s
Cache
L1 Cache
—
64 KB (per SM)
L2 Cache
—
384 KB
Performance
Pixel Rate
9.000 GPixel/s
5.400 GPixel/s
Texture Rate
72.00 GTexel/s
21.60 GTexel/s
FP32 (TFLOPS)
1,152.0 GFLOPS
518.4 GFLOPS
FP64 (TFLOPS)
288.0 GFLOPS (1:4)
43.20 GFLOPS (1:12)
FP16 (TFLOPS)
2.304 TFLOPS (2:1)
—
Power
TDP
15 W
50 W
TDP (W)
15
50
+233.3%
Power Connectors
—
None
Architecture
Architecture
Generation 9.0
Fermi
GPU Name
Skylake GT4e
GF106
Generation
HD Graphics-W
(Skylake)
GeForce 400M
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
MXM Module
Outputs
Motherboard Dependent
Portable Device Dependent
Bus Interface
Ring Bus
PCIe 2.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
—
GeForce 300M
Successor
—
GeForce 500M