Radeon R9 M395X Mac Edition vs GeForce 940M
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 2GB VRAM GeForce 940M 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 2GB)
Larger VRAM bandwidth (174.7GB/s vs 14.40GB/s)
1536 additional rendering cores
GeForce 940M 's Advantages
Boost Clock1098MHz
Lower TDP (75W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395X Mac Edition
+231%
3723
GeForce 940M
1124
Graphics Card
May 2015
Release Date
Mar 2015
Crystal System
Generation
GeForce 900M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
1020 MHz
-
Boost Clock
1098 MHz
1365 MHz
Memory Clock
900 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
174.7GB/s
Bandwidth
14.40GB/s
Render Config
32
Compute Units
-
2048
Shading Units
512
128
TMUs
32
32
ROPs
16
16 KB (per CU)
L1 Cache
64 KB (per SMM)
512 KB
L2 Cache
2 MB
Theoretical Performance
29.09 GPixel/s
Pixel Rate
17.57 GPixel/s
116.4 GTexel/s
Texture Rate
35.14 GTexel/s
3.723 TFLOPS
FP16 (half)
-
3.723 TFLOPS
FP32 (float)
1124 GFLOPS
232.7 GFLOPS
FP64 (double)
35.14 GFLOPS
Board Design
250W
TDP
75W
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Amethyst
GPU Name
GM107
Amethyst XT
GPU Variant
N16S-GT1-KB-B
GCN 3.0
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5 billion
Transistors
1.87 billion
366 mm²
Die Size
148 mm²
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
