AMD Radeon R9 M390 Mac Edition vs NVIDIA GeForce GT 540M
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 1024MB VRAM GeForce GT 540M 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
Released 4 years and 4 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (174.7GB/s vs 28.80GB/s)
928 additional rendering cores
NVIDIA GeForce GT 540M 's Advantages
Lower TDP (35W vs 80W)
Score
Benchmark
FP32 (float)
Radeon R9 M390 Mac Edition
+660%
1.962 TFLOPS
GeForce GT 540M
0.258 TFLOPS
Graphics Card
May 2015
Release Date
Jan 2011
Crystal System
Generation
GeForce 500M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-A (3.0)
Clock Speeds
-
-
-
-
-
-
1365 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
174.7GB/s
Bandwidth
28.80GB/s
Render Config
16
Compute Units
-
-
SM Count
2
1024
Shading Units
96
64
TMUs
16
32
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
30.66 GPixel/s
Pixel Rate
2.688 GPixel/s
61.31 GTexel/s
Texture Rate
10.75 GTexel/s
-
-
-
1.962 TFLOPS
FP32 (float)
258.0 GFLOPS
122.6 GFLOPS
FP64 (double)
21.50 GFLOPS
Board Design
80W
TDP
35W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Pitcairn
GPU Name
GF108
Pitcairn PRO
(215-0828062)
GPU Variant
N12P-GS-A1
GCN 1.0
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
0.585 billion
212 mm²
Die Size
116 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
5.1
Shader Model
5.1
