NVIDIA GeForce GTX 780 6 GB vs NVIDIA GeForce GTX 680 Mac Edition
GPU Specs Compare
Graphics Card
Release Date
Sep 2013
Apr 2013
Generation
GeForce 700
GeForce 600
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
863 MHz
1006 MHz
Boost Clock
902 MHz
1058 MHz
Memory Clock
1502 MHz
1502 MHz
Memory
Memory Size
6GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
288.4GB/s
192.3GB/s
Render Config
Shading Units
2304
1536
TMUs
192
128
ROPs
48
32
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
1536 KB
512 KB
Theoretical Performance
Pixel Rate
43.30 GPixel/s
33.86 GPixel/s
Texture Rate
173.2 GTexel/s
135.4 GTexel/s
FP32 (float)
4.156 TFLOPS
3.250 TFLOPS
FP64 (double)
173.2 GFLOPS
135.4 GFLOPS
Graphics Processor
GPU Name
GK110B
GK104
GPU Variant
GK110-301-B1
GK104-400-A2
Architecture
Kepler
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
3.54 billion
Die Size
561 mm²
294 mm²
Board Design
TDP
250W
195W
Suggested PSU
600 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
2x 6-pin
Graphics Features
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.1
CUDA
3.5
3.0
Shader Model
5.1
5.1