GPU Comparison
RADEON
AMD Radeon R6 M255DX
CORE STATE
Jet
VRAM
System Shared
CLOCK SPEED
855 MHz
TDP
—
BUS WIDTH
System Shared
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2014
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_vulkan
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
Iris Pro Graphics P580
Core Specs
Shading Units
320
576
+80.0%
Shaders
320
576
+80.0%
TMUs
20
72
+260.0%
ROPs
8
9
+12.5%
Compute Units
5
—
Execution Units
—
72
Clocks
Base Clock
780 MHz
350 MHz
Boost Clock
855 MHz
1000 MHz
Memory Clock
System Shared
System Shared
Memory
Memory Size
System Shared
System Shared
Memory Type
System Shared
System Shared
Memory Bus
System Shared
System Shared
Bandwidth
System Dependent
System Dependent
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
128 KB
—
Performance
Pixel Rate
6.840 GPixel/s
9.000 GPixel/s
Texture Rate
17.10 GTexel/s
72.00 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
1,152.0 GFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
288.0 GFLOPS (1:4)
FP16 (TFLOPS)
—
2.304 TFLOPS (2:1)
Power
TDP
—
15 W
TDP (W)
—
15
Architecture
Architecture
GCN 1.0
Generation 9.0
GPU Name
Jet
Skylake GT4e
Generation
Gem System Hybrid
(Rx M200)
HD Graphics-W
(Skylake)
Process Size
28 nm
14 nm+
Transistors
690 million
—
Die Size
56 mm²
—
Foundry
TSMC
Intel
Density
12.3M / mm²
—
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.3
OpenCL
2.1 (1.2)
3.0
Shader Model
6.5 (5.1)
6.4
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Motherboard Dependent
Bus Interface
IGP
Ring Bus
Other
Production
End-of-life
End-of-life