GeForce 940M vs Radeon R9 M395X Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM GeForce 940M and 4GB VRAM Radeon R9 M395X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 940M 's Advantages
Boost Clock1098MHz
Lower TDP (75W vs 250W)
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
Score
Benchmark
FP32 (float)
GeForce 940M
1124
Radeon R9 M395X Mac Edition
+231%
3723
Graphics Card
Mar 2015
Release Date
May 2015
GeForce 900M
Generation
Crystal System
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)
Clock Speeds
1020 MHz
Base Clock
-
1098 MHz
Boost Clock
-
900 MHz
Memory Clock
1365 MHz
Memory
2GB
Memory Size
4GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
256bit
14.40GB/s
Bandwidth
174.7GB/s
Render Config
-
Compute Units
32
512
Shading Units
2048
32
TMUs
128
16
ROPs
32
64 KB (per SMM)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
512 KB
Theoretical Performance
17.57 GPixel/s
Pixel Rate
29.09 GPixel/s
35.14 GTexel/s
Texture Rate
116.4 GTexel/s
-
FP16 (half)
3.723 TFLOPS
1124 GFLOPS
FP32 (float)
3.723 TFLOPS
35.14 GFLOPS
FP64 (double)
232.7 GFLOPS
Board Design
75W
TDP
250W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GM107
GPU Name
Amethyst
N16S-GT1-KB-B
GPU Variant
Amethyst XT
Maxwell
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.87 billion
Transistors
5 billion
148 mm²
Die Size
366 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.3
Vulkan
1.2
5.0
CUDA
-
5.1
Shader Model
6.3