Home GPU Comparison AMD Radeon R9 M395X Mac Edition vs NVIDIA GeForce GTX 680M

AMD Radeon R9 M395X Mac Edition vs NVIDIA 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

AMD 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
NVIDIA GeForce GTX 680M 's Advantages
Boost Clock758MHz
Lower TDP (100W vs 250W)

Score

Benchmark

FP32 (float)
Radeon R9 M395X Mac Edition +82%
3.723 TFLOPS
GeForce GTX 680M
2.038 TFLOPS

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
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