Radeon R9 M395X Mac Edition vs GeForce 945M
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 1024MB VRAM GeForce 945M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 M395X Mac Edition 's Advantages
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (174.7GB/s vs 16.02GB/s)
1664 additional rendering cores
GeForce 945M 's Advantages
Released 11 months late
Boost Clock1189MHz
Lower TDP (23W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395X Mac Edition
+307%
3723
GeForce 945M
913
Graphics Card
May 2015
Release Date
Apr 2016
Crystal System
Generation
GeForce 900M
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
1001 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
174.7GB/s
Bandwidth
16.02GB/s
Render Config
32
Compute Units
-
2048
Shading Units
384
128
TMUs
24
32
ROPs
8
16 KB (per CU)
L1 Cache
64 KB (per SMM)
512 KB
L2 Cache
1024 KB
Theoretical Performance
29.09 GPixel/s
Pixel Rate
9.512 GPixel/s
116.4 GTexel/s
Texture Rate
28.54 GTexel/s
3.723 TFLOPS
FP16 (half)
-
3.723 TFLOPS
FP32 (float)
913.2 GFLOPS
232.7 GFLOPS
FP64 (double)
28.54 GFLOPS
Board Design
250W
TDP
23W
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Amethyst
GPU Name
GM108
Amethyst XT
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