Radeon R9 M380 Mac Edition vs GeForce GTX 660M Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M380 Mac Edition and 512MB VRAM GeForce GTX 660M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 M380 Mac Edition 's Advantages
Released 2 years and 1 months late
Boost Clock1021MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (100.4GB/s vs 80.00GB/s)
384 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 M380 Mac Edition
+114%
1568
GeForce GTX 660M Mac Edition
730
Graphics Card
May 2015
Release Date
Apr 2013
Gem System
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
900 MHz
Base Clock
-
1021 MHz
Boost Clock
-
1568 MHz
Memory Clock
1250 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
100.4GB/s
Bandwidth
80.00GB/s
Render Config
12
Compute Units
-
768
Shading Units
384
48
TMUs
32
16
ROPs
16
16 KB (per CU)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
256 KB
Theoretical Performance
16.34 GPixel/s
Pixel Rate
7.600 GPixel/s
49.01 GTexel/s
Texture Rate
30.40 GTexel/s
1.568 TFLOPS
FP32 (float)
729.6 GFLOPS
98.02 GFLOPS
FP64 (double)
30.40 GFLOPS
Board Design
Unknown
TDP
50W
Portable Device Dependent
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
Strato
GPU Name
GK107
Strato PRO
GPU Variant
-
GCN 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.08 billion
Transistors
1.27 billion
160 mm²
Die Size
118 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2.170
Vulkan
1.1
-
CUDA
3.0
6.5
Shader Model
5.1