NVIDIA GeForce GT 120M Mac Edition vs NVIDIA GeForce GT 555M
We compared two Mobile platform GPUs: 256MB VRAM GeForce GT 120M Mac Edition and 2GB VRAM GeForce GT 555M 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 35W)
NVIDIA GeForce GT 555M 's Advantages
Released 3 years and 3 months late
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (28.80GB/s vs 25.34GB/s)
112 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 120M Mac Edition
0.08 TFLOPS
GeForce GT 555M
+386%
0.389 TFLOPS
Graphics Card
Dec 2008
Release Date
Mar 2012
GeForce 100M
Generation
GeForce 500M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
792 MHz
Memory Clock
900 MHz
Memory
256MB
Memory Size
2GB
GDDR3
Memory Type
DDR3
128bit
Memory Bus
128bit
25.34GB/s
Bandwidth
28.80GB/s
Render Config
-
-
-
4
SM Count
2
32
Shading Units
144
16
TMUs
24
8
ROPs
16
-
-
-
-
-
-
-
L1 Cache
64 KB (per SM)
32 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
4.000 GPixel/s
Pixel Rate
2.700 GPixel/s
8.000 GTexel/s
Texture Rate
16.20 GTexel/s
-
-
-
80.00 GFLOPS
FP32 (float)
388.8 GFLOPS
-
FP64 (double)
32.40 GFLOPS
Board Design
14W
TDP
35W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
G96C
GPU Name
GF116
-
GPU Variant
N12E-GE2-A1
Tesla
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.314 billion
Transistors
1.17 billion
121 mm²
Die Size
238 mm²
Graphics Features
11.1 (10_0)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
1.1
N/A
Vulkan
N/A
1.1
CUDA
2.1
4.0
Shader Model
5.1
