GeForce GTX 780 and GeForce 820M - video card comparison
Passmark - benchmark score GeForce GTX 780 vs GeForce 820M
GeForce GTX 780
8247
GeForce 820M
511
GeForce GTX 780
GeForce 820M
Architecture
Kepler (2012−2018)
Fermi (2010−2014)
GPU code name
GK110
N15V-GM
Market segment
Desktop
Laptop
Release date
May 2013
January 2014
Bus support
PCI Express 3.0
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Minimum recommended system power
600 Watt
-
Supplementary power connectors
One 8-pin and one 6-pin
-
Boost clock speed
900 MHz
-
Core clock speed
863 MHz
775 MHz
CUDA cores
2304
-
Floating-point performance
4,156 gflops
240.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
7,080 million
585 million
Pipelines / CUDA cores
2304
96
Power consumption (TDP)
250 Watt
15 Watt
Maximum GPU temperature
95 °C
-
Texture fill rate
160.5 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
6008 MHz
1800 MHz
Memory bandwidth
288.4 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_0)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.3
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
-
+
PhysX
+
-