NVIDIA GeForce GTX 680 vs NVIDIA GeForce GT 120 Mac Edition
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 and 512MB VRAM GeForce GT 120 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 680 's Advantages
Released 3 years and 2 months late
Boost Clock1058MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (192.3GB/s vs 25.60GB/s)
1504 additional rendering cores
NVIDIA GeForce GT 120 Mac Edition 's Advantages
Lower TDP (50W vs 195W)
Score
Benchmark
FP32 (float)
GeForce GTX 680
+3511%
3.25 TFLOPS
GeForce GT 120 Mac Edition
0.09 TFLOPS
Graphics Card
Mar 2012
Release Date
Jan 2009
GeForce 600
Generation
GeForce 100
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1006 MHz
Base Clock
-
1058 MHz
Boost Clock
-
1502 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
192.3GB/s
Bandwidth
25.60GB/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
33.86 GPixel/s
Pixel Rate
4.400 GPixel/s
135.4 GTexel/s
Texture Rate
8.800 GTexel/s
-
-
-
3.250 TFLOPS
FP32 (float)
89.60 GFLOPS
135.4 GFLOPS
FP64 (double)
-
Board Design
195W
TDP
50W
450 W
Suggested PSU
250 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x mini-DisplayPort
2x 6-pin
Power Connectors
None
Graphics Processor
GK104
GPU Name
G96C
GK104-400-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
