AMD Radeon R9 M390 Mac Edition vs Intel Iris Xe MAX Graphics
GPU · Specs Compare
Graphics Card
Release Date
May 2015
Oct 2020
Generation
Crystal System
HD Graphics-M
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1365 MHz
2133 MHz
Base Clock
—
300 MHz
Boost Clock
—
1650 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
LPDDR4X
Memory Bus
256bit
128bit
Bandwidth
174.7GB/s
68.26GB/s
Render Config
Compute Units
16
—
Shading Units
1024
768
TMUs
64
48
ROPs
32
24
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
1024 KB
L3 Cache
—
16 MB
Theoretical Performance
Pixel Rate
30.66 GPixel/s
39.60 GPixel/s
Texture Rate
61.31 GTexel/s
79.20 GTexel/s
FP32 (float)
1.962 TFLOPS
2.534 TFLOPS
FP64 (double)
122.6 GFLOPS
633.6 GFLOPS
FP16 (half)
—
5.069 TFLOPS
Graphics Processor
GPU Name
Pitcairn
DG1
GPU Variant
Pitcairn PRO(215-0828062)
—
Architecture
GCN 1.0
Generation 12.1
Foundry
TSMC
Intel
Process Size
28 nm
10 nm
Transistors
2.8 billion
Unknown
Die Size
212 mm²
95 mm²
Board Design
TDP
80W
25W
Outputs
No outputs
No outputs
Power Connectors
None
—
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.3
Shader Model
5.1
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.