AMD Radeon R9 M390 Mac Edition vs NVIDIA GeForce GTX 950M Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 2GB VRAM GeForce GTX 950M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M390 Mac Edition 's Advantages
Larger VRAM bandwidth (174.7GB/s vs 28.80GB/s)
384 additional rendering cores
NVIDIA GeForce GTX 950M Mac Edition 's Advantages
Boost Clock1124MHz
Lower TDP (75W vs 80W)
Score
Benchmark
FP32 (float)
Radeon R9 M390 Mac Edition
+36%
1.962 TFLOPS
GeForce GTX 950M Mac Edition
1.439 TFLOPS
Graphics Card
May 2015
Release Date
Mar 2015
Crystal System
Generation
GeForce 900M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
993 MHz
-
Boost Clock
1124 MHz
1365 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
174.7GB/s
Bandwidth
28.80GB/s
Render Config
16
Compute Units
-
-
-
-
1024
Shading Units
640
64
TMUs
40
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SMM)
512 KB
L2 Cache
2 MB
-
-
-
Theoretical Performance
30.66 GPixel/s
Pixel Rate
17.98 GPixel/s
61.31 GTexel/s
Texture Rate
44.96 GTexel/s
-
-
-
1.962 TFLOPS
FP32 (float)
1439 GFLOPS
122.6 GFLOPS
FP64 (double)
44.96 GFLOPS
Board Design
80W
TDP
75W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Pitcairn
GPU Name
GM107
Pitcairn PRO
(215-0828062)
GPU Variant
N16P-GT
GCN 1.0
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
1.87 billion
212 mm²
Die Size
148 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
5.0
5.1
Shader Model
5.1
