GPU Comparison
RADEON
AMD Radeon R9 M395X
CORE STATE
Amethyst
VRAM
8 GB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2015
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_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R9 M395X
Iris Pro Graphics P580
Core Specs
Shading Units
2,048
576
-71.9%
Shaders
2,048
576
-71.9%
TMUs
128
72
-43.8%
ROPs
32
9
-71.9%
Compute Units
32
—
Execution Units
—
72
Clocks
Base Clock
—
350 MHz
Boost Clock
—
1000 MHz
GPU Clock
723 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
System Shared
Memory
Memory Size
8 GB
System Shared
VRAM (MB)
8,192
—
Memory Type
GDDR5
System Shared
Memory Bus
256 bit
System Shared
Bandwidth
160.0 GB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Performance
Pixel Rate
23.14 GPixel/s
9.000 GPixel/s
Texture Rate
92.54 GTexel/s
72.00 GTexel/s
FP32 (TFLOPS)
2.961 TFLOPS
1,152.0 GFLOPS
FP64 (TFLOPS)
185.1 GFLOPS (1:16)
288.0 GFLOPS (1:4)
FP16 (TFLOPS)
2.961 TFLOPS (1:1)
2.304 TFLOPS (2:1)
Power
TDP
75 W
15 W
TDP (W)
75
15
-80.0%
Power Connectors
None
—
Architecture
Architecture
GCN 3.0
Generation 9.0
GPU Name
Amethyst
Skylake GT4e
Generation
Gem System
(R9 M300)
HD Graphics-W
(Skylake)
Process Size
28 nm
14 nm+
Transistors
5,000 million
—
Die Size
366 mm²
—
Foundry
TSMC
Intel
Density
13.7M / mm²
—
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.3
OpenCL
2.1
3.0
Shader Model
6.5
6.4
Physical
Slot Width
MXM Module
IGP
Outputs
Portable Device Dependent
Motherboard Dependent
Bus Interface
PCIe 3.0 x16
Ring Bus
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
—
Successor
Polaris Mobile
—