Radeon R9 M395X Mac Edition vs GeForce GT 120M Mac Edition
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 256MB VRAM GeForce GT 120M 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 6 years and 5 months late
More VRAM (4GB vs 256GB)
Larger VRAM bandwidth (174.7GB/s vs 25.34GB/s)
2016 additional rendering cores
GeForce GT 120M Mac Edition 's Advantages
Lower TDP (14W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395X Mac Edition
+4553%
3723
GeForce GT 120M Mac Edition
80
Graphics Card
May 2015
Release Date
Dec 2008
Crystal System
Generation
GeForce 100M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
1365 MHz
Memory Clock
792 MHz
Memory
4GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
174.7GB/s
Bandwidth
25.34GB/s
Render Config
32
Compute Units
-
-
SM Count
4
2048
Shading Units
32
128
TMUs
16
32
ROPs
8
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
32 KB
Theoretical Performance
29.09 GPixel/s
Pixel Rate
4.000 GPixel/s
116.4 GTexel/s
Texture Rate
8.000 GTexel/s
3.723 TFLOPS
FP16 (half)
-
3.723 TFLOPS
FP32 (float)
80.00 GFLOPS
232.7 GFLOPS
FP64 (double)
-
Board Design
250W
TDP
14W
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Amethyst
GPU Name
G96C
Amethyst XT
GPU Variant
-
GCN 3.0
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
5 billion
Transistors
0.314 billion
366 mm²
Die Size
121 mm²
Graphics Features
12 (12_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
2.0
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
1.1
6.3
Shader Model
4.0