Radeon R9 M395X Mac Edition vs GeForce GTX 775M Mac Edition
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 2GB VRAM GeForce GTX 775M Mac Edition 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 1 years and 6 months late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (174.7GB/s vs 160.0GB/s)
704 additional rendering cores
GeForce GTX 775M Mac Edition 's Advantages
Lower TDP (100W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395X Mac Edition
+73%
3723
GeForce GTX 775M Mac Edition
2142
Graphics Card
May 2015
Release Date
Nov 2013
Crystal System
Generation
GeForce 700M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)
Clock Speeds
1365 MHz
Memory Clock
1250 MHz
Memory
4GB
Memory Size
2GB
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
22.32 GPixel/s
116.4 GTexel/s
Texture Rate
89.26 GTexel/s
3.723 TFLOPS
FP16 (half)
-
3.723 TFLOPS
FP32 (float)
2.142 TFLOPS
232.7 GFLOPS
FP64 (double)
89.26 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-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
