Radeon R9 M395 Mac Edition vs Radeon R9 M290X Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M395 Mac Edition and 2GB VRAM Radeon R9 M290X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 M395 Mac Edition 's Advantages
Released 6 months late
768 additional rendering cores
Radeon R9 M290X Mac Edition 's Advantages
Boost Clock975MHz
Lower TDP (80W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395 Mac Edition
+49%
2989
Radeon R9 M290X Mac Edition
1997
Graphics Card
May 2015
Release Date
Nov 2014
Crystal System
Generation
Crystal System
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
850 MHz
-
Boost Clock
975 MHz
1365 MHz
Memory Clock
1365 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
174.7GB/s
Bandwidth
174.7GB/s
Render Config
28
Compute Units
16
1792
Shading Units
1024
112
TMUs
64
32
ROPs
32
-
L1 Cache
16 KB (per CU)
-
L2 Cache
512 KB
Theoretical Performance
26.69 GPixel/s
Pixel Rate
31.20 GPixel/s
93.41 GTexel/s
Texture Rate
62.40 GTexel/s
2.989 TFLOPS
FP32 (float)
1.997 TFLOPS
373.6 GFLOPS
FP64 (double)
124.8 GFLOPS
Board Design
250W
TDP
80W
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Amethyst
GPU Name
Pitcairn
Amethyst PRO
(216-0872004)
GPU Variant
Pitcairn PRO
(215-0828062)
GCN 3.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5 billion
Transistors
2.8 billion
366 mm²
Die Size
212 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.0
OpenCL
1.2
1.2
Vulkan
1.2
6.3
Shader Model
5.1
