GeForce GTX 680 Mac Edition vs GeForce GT 620 OEM
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 512MB VRAM GeForce GT 620 OEM 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 1 years late
Boost Clock1058MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (192.3GB/s vs 14.37GB/s)
1488 additional rendering cores
GeForce GT 620 OEM 's Advantages
Lower TDP (30W vs 195W)
Score
Benchmark
FP32 (float)
GeForce GTX 680 Mac Edition
+1983%
3250
GeForce GT 620 OEM
156
Graphics Card
Apr 2013
Release Date
Apr 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
898 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
192.3GB/s
Bandwidth
14.37GB/s
Render Config
-
SM Count
1
1536
Shading Units
48
128
TMUs
8
32
ROPs
4
16 KB (per SMX)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
128 KB
Theoretical Performance
33.86 GPixel/s
Pixel Rate
1.620 GPixel/s
135.4 GTexel/s
Texture Rate
6.480 GTexel/s
3.250 TFLOPS
FP32 (float)
155.5 GFLOPS
135.4 GFLOPS
FP64 (double)
12.96 GFLOPS
Board Design
195W
TDP
30W
450 W
Suggested PSU
200 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
GF119
GK104-400-A2
GPU Variant
-
Kepler
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
3.54 billion
Transistors
0.292 billion
294 mm²
Die Size
79 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
