NVIDIA GeForce GTX 780 vs NVIDIA GeForce GTX 650 Ti
GPU Specs Compare
Graphics Card
Release Date
May 2013
Oct 2012
Generation
GeForce 700
GeForce 600
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
863 MHz
-
Boost Clock
902 MHz
-
Memory Clock
1502 MHz
1350 MHz
Memory
Memory Size
3GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
128bit
Bandwidth
288.4GB/s
86.40GB/s
Render Config
Shading Units
2304
768
TMUs
192
64
ROPs
48
16
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
1536 KB
256 KB
Theoretical Performance
Pixel Rate
43.30 GPixel/s
14.85 GPixel/s
Texture Rate
173.2 GTexel/s
59.39 GTexel/s
FP32 (float)
4.156 TFLOPS
1425 GFLOPS
FP64 (double)
173.2 GFLOPS
59.39 GFLOPS
Graphics Processor
GPU Name
GK110
GK106
GPU Variant
GK110-300-A1
GK106-220-A1
Architecture
Kepler
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
2.54 billion
Die Size
561 mm²
221 mm²
Board Design
TDP
250W
110W
Suggested PSU
600 W
300 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x mini-HDMI 1.4a
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin
Graphics Features
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.2.175
1.1
CUDA
3.5
3.0
Shader Model
6.5 (5.1)
5.1