Radeon R9 M395 Mac Edition vs GeForce 945A
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M395 Mac Edition and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 M395 Mac Edition 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (174.7GB/s vs 40.10GB/s)
1408 additional rendering cores
GeForce 945A 's Advantages
Boost Clock1189MHz
Lower TDP (33W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395 Mac Edition
+227%
2989
GeForce 945A
913
Graphics Card
May 2015
Release Date
Mar 2015
Crystal System
Generation
GeForce 900A
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1006 MHz
-
Boost Clock
1189 MHz
1365 MHz
Memory Clock
1253 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
64bit
174.7GB/s
Bandwidth
40.10GB/s
Render Config
28
Compute Units
-
1792
Shading Units
384
112
TMUs
24
32
ROPs
8
-
L1 Cache
64 KB (per SMM)
-
L2 Cache
1024 KB
Theoretical Performance
26.69 GPixel/s
Pixel Rate
9.512 GPixel/s
93.41 GTexel/s
Texture Rate
28.54 GTexel/s
2.989 TFLOPS
FP32 (float)
913.2 GFLOPS
373.6 GFLOPS
FP64 (double)
28.54 GFLOPS
Board Design
250W
TDP
33W
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Amethyst
GPU Name
GM108
Amethyst PRO
(216-0872004)
GPU Variant
-
GCN 3.0
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5 billion
Transistors
Unknown
366 mm²
Die Size
Unknown
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
5.0
6.3
Shader Model
5.1