NVIDIA GeForce GTX 680MX Mac Edition vs AMD Radeon R9 M395 Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 2GB VRAM Radeon R9 M395 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 680MX Mac Edition 's Advantages
Lower TDP (122W vs 250W)
AMD Radeon R9 M395 Mac Edition 's Advantages
Released 2 years and 7 months late
Larger VRAM bandwidth (174.7GB/s vs 160.0GB/s)
256 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 680MX Mac Edition
2.209 TFLOPS
Radeon R9 M395 Mac Edition
+35%
2.989 TFLOPS
Graphics Card
Oct 2012
Release Date
May 2015
GeForce 600M
Generation
Crystal System
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
-
-
-
-
-
1250 MHz
Memory Clock
1365 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
160.0GB/s
Bandwidth
174.7GB/s
Render Config
-
Compute Units
28
-
-
-
1536
Shading Units
1792
128
TMUs
112
32
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
512 KB
L2 Cache
-
-
-
-
Theoretical Performance
23.01 GPixel/s
Pixel Rate
26.69 GPixel/s
92.03 GTexel/s
Texture Rate
93.41 GTexel/s
-
-
-
2.209 TFLOPS
FP32 (float)
2.989 TFLOPS
92.03 GFLOPS
FP64 (double)
373.6 GFLOPS
Board Design
122W
TDP
250W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GK104
GPU Name
Amethyst
N13E-GTX2-A2
GPU Variant
Amethyst PRO
(216-0872004)
Kepler
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
5 billion
294 mm²
Die Size
366 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
6.3
