Radeon R9 M395 Mac Edition vs GeForce GT 650M Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M395 Mac Edition and 512MB VRAM GeForce GT 650M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 M395 Mac Edition 's Advantages
Released 2 years and 10 months late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (174.7GB/s vs 80.26GB/s)
1408 additional rendering cores
GeForce GT 650M Mac Edition 's Advantages
Lower TDP (45W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395 Mac Edition
+332%
2989
GeForce GT 650M Mac Edition
691
Graphics Card
May 2015
Release Date
Jul 2012
Crystal System
Generation
GeForce 600M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
1365 MHz
Memory Clock
1254 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
174.7GB/s
Bandwidth
80.26GB/s
Render Config
28
Compute Units
-
1792
Shading Units
384
112
TMUs
32
32
ROPs
16
-
L1 Cache
16 KB (per SMX)
-
L2 Cache
256 KB
Theoretical Performance
26.69 GPixel/s
Pixel Rate
7.200 GPixel/s
93.41 GTexel/s
Texture Rate
28.80 GTexel/s
2.989 TFLOPS
FP32 (float)
691.2 GFLOPS
373.6 GFLOPS
FP64 (double)
28.80 GFLOPS
Board Design
250W
TDP
45W
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Amethyst
GPU Name
GK107
Amethyst PRO
(216-0872004)
GPU Variant
N13P-GT-W-A2
GCN 3.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5 billion
Transistors
1.27 billion
366 mm²
Die Size
118 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