NVIDIA GeForce GTX 775M Mac Edition vs AMD Radeon R9 M395X Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 775M Mac Edition and 4GB VRAM Radeon R9 M395X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 775M Mac Edition 's Advantages
Lower TDP (100W vs 250W)
AMD 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
Score
Benchmark
FP32 (float)
GeForce GTX 775M Mac Edition
2.142 TFLOPS
Radeon R9 M395X Mac Edition
+73%
3.723 TFLOPS
Graphics Card
Nov 2013
Release Date
May 2015
GeForce 700M
Generation
Crystal System
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)
Clock Speeds
-
-
-
-
-
-
1250 MHz
Memory Clock
1365 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
160.0GB/s
Bandwidth
174.7GB/s
Render Config
-
Compute Units
32
-
-
-
1344
Shading Units
2048
112
TMUs
128
32
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
22.32 GPixel/s
Pixel Rate
29.09 GPixel/s
89.26 GTexel/s
Texture Rate
116.4 GTexel/s
-
FP16 (half)
3.723 TFLOPS
2.142 TFLOPS
FP32 (float)
3.723 TFLOPS
89.26 GFLOPS
FP64 (double)
232.7 GFLOPS
Board Design
100W
TDP
250W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GK104
GPU Name
Amethyst
N13E-GTX-A2
GPU Variant
Amethyst XT
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
