AMD Radeon R9 M395X Mac Edition vs NVIDIA GeForce GTX 675MX Mac Edition
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 1024MB VRAM GeForce GTX 675MX Mac Edition 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 1 months late
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (174.7GB/s vs 160.0GB/s)
704 additional rendering cores
NVIDIA GeForce GTX 675MX Mac Edition 's Advantages
Lower TDP (100W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395X Mac Edition
+92%
3.723 TFLOPS
GeForce GTX 675MX Mac Edition
1.933 TFLOPS
Graphics Card
May 2015
Release Date
Apr 2013
Crystal System
Generation
GeForce 600M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
1365 MHz
Memory Clock
1250 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
174.7GB/s
Bandwidth
160.0GB/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
20.13 GPixel/s
116.4 GTexel/s
Texture Rate
80.53 GTexel/s
3.723 TFLOPS
FP16 (half)
-
3.723 TFLOPS
FP32 (float)
1.933 TFLOPS
232.7 GFLOPS
FP64 (double)
80.53 GFLOPS
Board Design
250W
TDP
100W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Amethyst
GPU Name
GK104
Amethyst XT
GPU Variant
N13E-GSR-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
