AMD Radeon R9 M395 Mac Edition vs AMD Radeon R7 260X
GPU Specs Compare
Graphics Card
Release Date
May 2015
Oct 2013
Generation
Crystal System
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Memory Clock
1365 MHz
1625 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
174.7GB/s
104.0GB/s
Render Config
Compute Units
28
14
Shading Units
1792
896
TMUs
112
56
ROPs
32
16
L1 Cache
-
16 KB (per CU)
L2 Cache
-
256 KB
Theoretical Performance
Pixel Rate
26.69 GPixel/s
17.60 GPixel/s
Texture Rate
93.41 GTexel/s
61.60 GTexel/s
FP32 (float)
2.989 TFLOPS
1.971 TFLOPS
FP64 (double)
373.6 GFLOPS
123.2 GFLOPS
Graphics Processor
GPU Name
Amethyst
Bonaire
GPU Variant
Amethyst PRO(216-0872004)
Bonaire XTX(215-0839097)
Architecture
GCN 3.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5 billion
2.08 billion
Die Size
366 mm²
160 mm²
Board Design
TDP
250W
115W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin
Suggested PSU
-
300 W
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.0
Vulkan
1.2
1.2
Shader Model
6.3
6.3