
Quadro K4000 and GeForce 820M - video card comparison
Passmark - benchmark score Quadro K4000 vs GeForce 820M
Quadro K4000
2806
GeForce 820M
511
Quadro K4000
GeForce 820M
Architecture
Kepler (2012−2018)
Fermi (2010−2014)
GPU code name
GK106
N15V-GM
Market segment
Workstation
Laptop
Release date
March 2013
January 2014
Bus support
-
PCI Express 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
-
Core clock speed
810 MHz
775 MHz
Floating-point performance
1,244 gflops
240.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,540 million
585 million
Pipelines / CUDA cores
768
96
Power consumption (TDP)
80 Watt
15 Watt
Texture fill rate
51.84
10.00
Memory type
GDDR5
DDR3
Maximum RAM amount
3 GB
2 GB
Memory bus width
192 Bit
64 Bit
Memory clock speed
5616 MHz
1800 MHz
Memory bandwidth
134.8 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 2x DisplayPort
No outputs
DirectX
12 (11_0)
12 (11_0)
CUDA
3.0
+
OpenCL
1.2
1.1
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
+
N/A
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+