Radeon R9 M395X Mac Edition vs GeForce GTX 680M
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 4GB VRAM GeForce GTX 680M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 M395X Mac Edition 's Advantages
Released 2 years and 11 months late
Larger VRAM bandwidth (174.7GB/s vs 115.2GB/s)
704 additional rendering cores
GeForce GTX 680M 's Advantages
Boost Clock758MHz
Lower TDP (100W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395X Mac Edition
+82%
3723
GeForce GTX 680M
2038
Graphics Card
May 2015
Release Date
Jun 2012
Crystal System
Generation
GeForce 600M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
719 MHz
-
Boost Clock
758 MHz
1365 MHz
Memory Clock
900 MHz
Memory
4GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
174.7GB/s
Bandwidth
115.2GB/s
Render Config
32
Compute Units
-
2048
Shading Units
1344
128
TMUs
112
32
ROPs
32
16 KB (per CU)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
512 KB
Theoretical Performance
29.09 GPixel/s
Pixel Rate
21.22 GPixel/s
116.4 GTexel/s
Texture Rate
84.90 GTexel/s
3.723 TFLOPS
FP16 (half)
-
3.723 TFLOPS
FP32 (float)
2.038 TFLOPS
232.7 GFLOPS
FP64 (double)
84.90 GFLOPS
Board Design
250W
TDP
100W
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Amethyst
GPU Name
GK104
Amethyst XT
GPU Variant
N13E-GTX-A2
GCN 3.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5 billion
Transistors
3.54 billion
366 mm²
Die Size
294 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.0
6.3
Shader Model
5.1