AMD Radeon HD 8950M vs AMD Radeon R9 M385X
GPU Specs Compare
Graphics Card
Release Date
May 2013
May 2015
Generation
Solar System
Gem System
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1375 MHz
1200 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1100 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
128bit
Bandwidth
88.00GB/s
76.80GB/s
Render Config
Compute Units
12
14
Shading Units
768
896
TMUs
48
56
ROPs
16
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
256 KB
Theoretical Performance
Pixel Rate
17.20 GPixel/s
17.60 GPixel/s
Texture Rate
51.60 GTexel/s
61.60 GTexel/s
FP32 (float)
1.651 TFLOPS
1.971 TFLOPS
FP64 (double)
103.2 GFLOPS
123.2 GFLOPS
Graphics Processor
GPU Name
Saturn
Strato
GPU Variant
Saturn XT
Strato XT
Architecture
GCN 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.08 billion
2.08 billion
Die Size
160 mm²
160 mm²
Board Design
TDP
100W
Unknown
Outputs
No outputs
Portable Device Dependent
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2.170
Shader Model
6.3
6.5