NVIDIA GeForce GT 120M Mac Edition vs AMD Radeon R9 M390 Mac Edition
We compared two Mobile platform GPUs: 256MB VRAM GeForce GT 120M Mac Edition and 2GB VRAM Radeon R9 M390 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 120M Mac Edition 's Advantages
Lower TDP (14W vs 80W)
AMD Radeon R9 M390 Mac Edition 's Advantages
Released 6 years and 5 months late
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (174.7GB/s vs 25.34GB/s)
992 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 120M Mac Edition
0.08 TFLOPS
Radeon R9 M390 Mac Edition
+2352%
1.962 TFLOPS
Graphics Card
Dec 2008
Release Date
May 2015
GeForce 100M
Generation
Crystal System
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
792 MHz
Memory Clock
1365 MHz
Memory
256MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
25.34GB/s
Bandwidth
174.7GB/s
Render Config
-
Compute Units
16
4
SM Count
-
32
Shading Units
1024
16
TMUs
64
8
ROPs
32
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
32 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
4.000 GPixel/s
Pixel Rate
30.66 GPixel/s
8.000 GTexel/s
Texture Rate
61.31 GTexel/s
-
-
-
80.00 GFLOPS
FP32 (float)
1.962 TFLOPS
-
FP64 (double)
122.6 GFLOPS
Board Design
14W
TDP
80W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
G96C
GPU Name
Pitcairn
-
GPU Variant
Pitcairn PRO
(215-0828062)
Tesla
Architecture
GCN 1.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.314 billion
Transistors
2.8 billion
121 mm²
Die Size
212 mm²
Graphics Features
11.1 (10_0)
DirectX
12 (11_1)
3.3
OpenGL
4.6
1.1
OpenCL
1.2
N/A
Vulkan
1.2
1.1
CUDA
-
4.0
Shader Model
5.1
