NVIDIA GeForce GT 120M Mac Edition vs NVIDIA GeForce 830A
We compared two Mobile platform GPUs: 256MB VRAM GeForce GT 120M Mac Edition and 2GB VRAM GeForce 830A 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
Larger VRAM bandwidth (25.34GB/s vs 14.40GB/s)
Lower TDP (14W vs 33W)
NVIDIA GeForce 830A 's Advantages
Released 5 years and 7 months late
Boost Clock1150MHz
More VRAM (2GB vs 256GB)
224 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 120M Mac Edition
0.08 TFLOPS
GeForce 830A
+636%
0.589 TFLOPS
Graphics Card
Dec 2008
Release Date
Jul 2014
GeForce 100M
Generation
GeForce 800A
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1082 MHz
-
Boost Clock
1150 MHz
792 MHz
Memory Clock
900 MHz
Memory
256MB
Memory Size
2GB
GDDR3
Memory Type
DDR3
128bit
Memory Bus
64bit
25.34GB/s
Bandwidth
14.40GB/s
Render Config
-
-
-
4
SM Count
-
32
Shading Units
256
16
TMUs
16
8
ROPs
8
-
-
-
-
-
-
-
L1 Cache
64 KB (per SMM)
32 KB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
4.000 GPixel/s
Pixel Rate
9.200 GPixel/s
8.000 GTexel/s
Texture Rate
18.40 GTexel/s
-
-
-
80.00 GFLOPS
FP32 (float)
588.8 GFLOPS
-
FP64 (double)
18.40 GFLOPS
Board Design
14W
TDP
33W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
G96C
GPU Name
GM108
-
-
-
Tesla
Architecture
Maxwell
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.314 billion
Transistors
Unknown
121 mm²
Die Size
Unknown
Graphics Features
11.1 (10_0)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
1.1
CUDA
5.0
4.0
Shader Model
5.1
