GeForce GTX 680MX Mac Edition vs GeForce GT 120M Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX 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
GeForce GTX 680MX Mac Edition 's Advantages
Released 3 years and 10 months late
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (160.0GB/s vs 25.34GB/s)
1504 additional rendering cores
GeForce GT 120M Mac Edition 's Advantages
Lower TDP (14W vs 122W)
Score
Benchmark
FP32 (float)
GeForce GTX 680MX Mac Edition
+2661%
2209
GeForce GT 120M Mac Edition
80
Graphics Card
Oct 2012
Release Date
Dec 2008
GeForce 600M
Generation
GeForce 100M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1250 MHz
Memory Clock
792 MHz
Memory
2GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
160.0GB/s
Bandwidth
25.34GB/s
Render Config
-
SM Count
4
1536
Shading Units
32
128
TMUs
16
32
ROPs
8
16 KB (per SMX)
L1 Cache
-
512 KB
L2 Cache
32 KB
Theoretical Performance
23.01 GPixel/s
Pixel Rate
4.000 GPixel/s
92.03 GTexel/s
Texture Rate
8.000 GTexel/s
2.209 TFLOPS
FP32 (float)
80.00 GFLOPS
92.03 GFLOPS
FP64 (double)
-
Board Design
122W
TDP
14W
No outputs
Outputs
No outputs
Graphics Processor
GK104
GPU Name
G96C
N13E-GTX2-A2
GPU Variant
-
Kepler
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
3.54 billion
Transistors
0.314 billion
294 mm²
Die Size
121 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
1.1
5.1
Shader Model
4.0
