Home GPU Comparison AMD Radeon R9 M395 Mac Edition vs AMD Radeon R9 M295X Mac Edition

AMD Radeon R9 M395 Mac Edition vs AMD Radeon R9 M295X Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M395 Mac Edition and 4GB VRAM Radeon R9 M295X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M395 Mac Edition 's Advantages
Released 6 months late
Larger VRAM bandwidth (174.7GB/s vs 174.3GB/s)
AMD Radeon R9 M295X Mac Edition 's Advantages
More VRAM (4GB vs 2GB)
256 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R9 M395 Mac Edition
2.989 TFLOPS
Radeon R9 M295X Mac Edition +16%
3.482 TFLOPS
VS

Graphics Card

May 2015
Release Date
Nov 2014
Crystal System
Generation
Crystal System
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)

Clock Speeds

-
-
-
-
-
-
1365 MHz
Memory Clock
1362 MHz

Memory

2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
174.7GB/s
Bandwidth
174.3GB/s

Render Config

28
Compute Units
32
-
-
-
1792
Shading Units
2048
112
TMUs
128
32
ROPs
32
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
-
L2 Cache
512 KB
-
-
-

Theoretical Performance

26.69 GPixel/s
Pixel Rate
27.20 GPixel/s
93.41 GTexel/s
Texture Rate
108.8 GTexel/s
-
FP16 (half)
3.482 TFLOPS
2.989 TFLOPS
FP32 (float)
3.482 TFLOPS
373.6 GFLOPS
FP64 (double)
217.6 GFLOPS

Board Design

250W
TDP
250W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-

Graphics Processor

Amethyst
GPU Name
Amethyst
Amethyst PRO (216-0872004)
GPU Variant
Amethyst XT
GCN 3.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5 billion
Transistors
5 billion
366 mm²
Die Size
366 mm²

Graphics Features

12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.0
OpenCL
2.0
1.2
Vulkan
1.2
-
-
-
6.3
Shader Model
6.3

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