NVIDIA GeForce GTX 660M Mac Edition vs AMD Radeon 540 Mobile
We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 2GB VRAM Radeon 540 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 660M Mac Edition 's Advantages
Larger VRAM bandwidth (80.00GB/s vs 48.00GB/s)
AMD Radeon 540 Mobile 's Advantages
Released 5 years and 11 months late
Boost Clock1124MHz
More VRAM (2GB vs 512GB)
128 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 660M Mac Edition
0.73 TFLOPS
Radeon 540 Mobile
+57%
1.151 TFLOPS
Graphics Card
Apr 2013
Release Date
Mar 2019
GeForce 600M
Generation
Mobility Radeon
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1100 MHz
-
Boost Clock
1124 MHz
1250 MHz
Memory Clock
1500 MHz
Memory
512MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
64bit
80.00GB/s
Bandwidth
48.00GB/s
Render Config
-
Compute Units
8
-
-
-
384
Shading Units
512
32
TMUs
32
16
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
7.600 GPixel/s
Pixel Rate
17.98 GPixel/s
30.40 GTexel/s
Texture Rate
35.97 GTexel/s
-
FP16 (half)
1151 GFLOPS
729.6 GFLOPS
FP32 (float)
1151 GFLOPS
30.40 GFLOPS
FP64 (double)
71.94 GFLOPS
Board Design
50W
TDP
50W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
GK107
GPU Name
Lexa
-
GPU Variant
Lexa PRO
(215-0904018)
Kepler
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
1.27 billion
Transistors
2.2 billion
118 mm²
Die Size
103 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
6.4
