NVIDIA GeForce GT 120M Mac Edition vs NVIDIA GeForce GT 420M
We compared two Mobile platform GPUs: 256MB VRAM GeForce GT 120M Mac Edition and 512MB VRAM GeForce GT 420M 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 23W)
NVIDIA GeForce GT 420M 's Advantages
Released 1 years and 9 months late
More VRAM (512GB vs 256GB)
Larger VRAM bandwidth (25.60GB/s vs 25.34GB/s)
64 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 120M Mac Edition
0.08 TFLOPS
GeForce GT 420M
+140%
0.192 TFLOPS
Graphics Card
Dec 2008
Release Date
Sep 2010
GeForce 100M
Generation
GeForce 400M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
792 MHz
Memory Clock
800 MHz
Memory
256MB
Memory Size
512MB
GDDR3
Memory Type
DDR3
128bit
Memory Bus
128bit
25.34GB/s
Bandwidth
25.60GB/s
Render Config
-
-
-
4
SM Count
2
32
Shading Units
96
16
TMUs
16
8
ROPs
4
-
-
-
-
-
-
-
L1 Cache
64 KB (per SM)
32 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
4.000 GPixel/s
Pixel Rate
2.000 GPixel/s
8.000 GTexel/s
Texture Rate
8.000 GTexel/s
-
-
-
80.00 GFLOPS
FP32 (float)
192.0 GFLOPS
-
FP64 (double)
16.00 GFLOPS
Board Design
14W
TDP
23W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
G96C
GPU Name
GF108
-
GPU Variant
N11P-GE-A1
Tesla
Architecture
Fermi
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.314 billion
Transistors
0.585 billion
121 mm²
Die Size
116 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
