GeForce GTX 680 Mac Edition vs GeForce GT 630
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 1024MB VRAM GeForce GT 630 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 680 Mac Edition 's Advantages
Released 11 months late
Boost Clock1058MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (192.3GB/s vs 28.80GB/s)
1440 additional rendering cores
GeForce GT 630 's Advantages
Lower TDP (65W vs 195W)
Score
Benchmark
FP32 (float)
GeForce GTX 680 Mac Edition
+945%
3250
GeForce GT 630
311
Graphics Card
Apr 2013
Release Date
May 2012
GeForce 600
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1006 MHz
Base Clock
-
1058 MHz
Boost Clock
-
1502 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
192.3GB/s
Bandwidth
28.80GB/s
Render Config
-
SM Count
2
1536
Shading Units
96
128
TMUs
16
32
ROPs
4
16 KB (per SMX)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
256 KB
Theoretical Performance
33.86 GPixel/s
Pixel Rate
3.240 GPixel/s
135.4 GTexel/s
Texture Rate
12.96 GTexel/s
3.250 TFLOPS
FP32 (float)
311.0 GFLOPS
135.4 GFLOPS
FP64 (double)
25.92 GFLOPS
Board Design
195W
TDP
65W
450 W
Suggested PSU
250 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
2x 6-pin
Power Connectors
None
Graphics Processor
GK104
GPU Name
GF108
GK104-400-A2
GPU Variant
GF108-400-A1
Kepler
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
3.54 billion
Transistors
0.585 billion
294 mm²
Die Size
116 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
2.1
5.1
Shader Model
5.1
