AMD Radeon R9 M290X Mac Edition vs AMD Radeon R9 M470X
GPU · Specs Compare
Graphics Card
Release Date
Nov 2014
May 2016
Generation
Crystal System
Gem System
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
850 MHz
1000 MHz
Boost Clock
975 MHz
1100 MHz
Memory Clock
1365 MHz
1200 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
174.7GB/s
76.80GB/s
Render Config
Compute Units
16
14
Shading Units
1024
896
TMUs
64
56
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
256 KB
Theoretical Performance
Pixel Rate
31.20 GPixel/s
17.60 GPixel/s
Texture Rate
62.40 GTexel/s
61.60 GTexel/s
FP32 (float)
1.997 TFLOPS
1.971 TFLOPS
FP64 (double)
124.8 GFLOPS
123.2 GFLOPS
Graphics Processor
GPU Name
Pitcairn
Emerald
GPU Variant
Pitcairn PRO(215-0828062)
Emerald XT
Architecture
GCN 1.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
2.08 billion
Die Size
212 mm²
160 mm²
Board Design
TDP
80W
Unknown
Outputs
No outputs
Portable Device Dependent
Power Connectors
None
—
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.2.170
Shader Model
5.1
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.