NVIDIA GeForce GTX 660M Mac Edition vs AMD Radeon R9 A375
We compared two Mobile platform GPUs: 512MB VRAM GeForce GTX 660M Mac Edition and 2GB VRAM Radeon R9 A375 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 72.00GB/s)
AMD Radeon R9 A375 's Advantages
Released 1 years and 9 months late
Boost Clock925MHz
More VRAM (2GB vs 512GB)
256 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 660M Mac Edition
0.73 TFLOPS
Radeon R9 A375
+77%
1.299 TFLOPS
Graphics Card
Apr 2013
Release Date
Jan 2015
GeForce 600M
Generation
All-In-One
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
925 MHz
1250 MHz
Memory Clock
1125 MHz
Memory
512MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
80.00GB/s
Bandwidth
72.00GB/s
Render Config
-
Compute Units
10
-
-
-
384
Shading Units
640
32
TMUs
40
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
16.24 GPixel/s
30.40 GTexel/s
Texture Rate
40.60 GTexel/s
-
-
-
729.6 GFLOPS
FP32 (float)
1299 GFLOPS
30.40 GFLOPS
FP64 (double)
-
Board Design
50W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-
Graphics Processor
GK107
GPU Name
Venus
-
GPU Variant
Venus XTX
(216-0846033)
Kepler
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.27 billion
Transistors
1.5 billion
118 mm²
Die Size
123 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
2.1 (1.2)
1.1
Vulkan
1.2.170
3.0
CUDA
-
5.1
Shader Model
6.5 (5.1)
