GPU Comparison
RADEON
AMD Radeon 540
CORE STATE
Lexa
VRAM
1024 MB
CLOCK SPEED
—
TDP
50 W
BUS WIDTH
32 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2017
VS
GPU
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
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
540
Iris Pro Graphics P580
Core Specs
Shading Units
384
576
+50.0%
Shaders
384
576
+50.0%
TMUs
24
72
+200.0%
ROPs
16
9
-43.8%
Compute Units
6
—
Execution Units
—
72
Clocks
Base Clock
—
350 MHz
Boost Clock
—
1000 MHz
GPU Clock
1183 MHz
—
Memory Clock
1500 MHz
6 Gbps effective
System Shared
Memory
Memory Size
1024 MB
System Shared
VRAM (MB)
1,024
—
Memory Type
GDDR5
System Shared
Memory Bus
32 bit
System Shared
Bandwidth
24.00 GB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
18.93 GPixel/s
9.000 GPixel/s
Texture Rate
28.39 GTexel/s
72.00 GTexel/s
FP32 (TFLOPS)
908.5 GFLOPS
1,152.0 GFLOPS
FP64 (TFLOPS)
56.78 GFLOPS (1:16)
288.0 GFLOPS (1:4)
FP16 (TFLOPS)
908.5 GFLOPS (1:1)
2.304 TFLOPS (2:1)
Power
TDP
50 W
15 W
TDP (W)
50
15
-70.0%
Suggested PSU
250 W
—
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Generation 9.0
GPU Name
Lexa
Skylake GT4e
Generation
Polaris
(RX 500)
HD Graphics-W
(Skylake)
Process Size
14 nm
14 nm+
Transistors
2,200 million
—
Die Size
103 mm²
—
Foundry
GlobalFoundries
Intel
Density
21.4M / mm²
—
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.3
OpenCL
2.1
3.0
Shader Model
6.7
6.4
Physical
Slot Width
Single-slot
IGP
Outputs
2x DisplayPort 1.4a
Motherboard Dependent
Bus Interface
PCIe 3.0 x8
Ring Bus
Other
Production
End-of-life
End-of-life
Predecessor
Arctic Islands
—
Successor
Vega
—