GeForce GTX 780 Ti and GeForce 820M - video card comparison
Passmark - benchmark score GeForce GTX 780 Ti vs GeForce 820M
GeForce GTX 780 Ti
9807
GeForce 820M
511
GeForce GTX 780 Ti
GeForce 820M
Architecture
Kepler (2012−2018)
Fermi (2010−2014)
GPU code name
GK110
N15V-GM
Market segment
Desktop
Laptop
Release date
November 2013
January 2014
Bus support
PCI Express 3.0
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
One 8-pin and one 6-pin
-
SLI options
+
-
Boost clock speed
928 MHz
-
Core clock speed
875 MHz
775 MHz
CUDA cores
2880
-
Floating-point performance
5,345 gflops
240.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
7,080 million
585 million
Pipelines / CUDA cores
2880
96
Power consumption (TDP)
250 Watt
15 Watt
Texture fill rate
210 billion/sec
10.00
Memory type
GDDR5
DDR3
Maximum RAM amount
3 GB
2 GB
Memory bus width
384 Bit
64 Bit
Memory clock speed
7.0 GB/s
1800 MHz
Memory bandwidth
336 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
No outputs
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_1)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.4
4.5
Shader Model
5.1
5.1
Vulkan
1.1.126
N/A
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-
Blu Ray 3D
+
-
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+