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GeForce GTX 780 and Quadro K420 - video card comparison


Passmark - benchmark score GeForce GTX 780 vs Quadro K420

GeForce GTX 780
8247
Quadro K420
768

GeForce GTX 780

Quadro K420


Architecture
Kepler (2012−2018)
Kepler (2012−2018)

GPU code name
GK110
GK107

Market segment
Desktop
Workstation

Release date
May 2013
July 2014

Bus support
PCI Express 3.0
-

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
None

Boost clock speed
900 MHz
-

Core clock speed
863 MHz
876 MHz

CUDA cores
2304
-

Floating-point performance
4,156 gflops
336.4 gflops

Manufacturing process technology
28 nm
28 nm

Number of transistors
7,080 million
1,270 million

Pipelines / CUDA cores
2304
192

Power consumption (TDP)
250 Watt
41 Watt

Maximum GPU temperature
95 °C
-

Texture fill rate
160.5 billion/sec
14.02

Memory type
GDDR5
128 Bit

Maximum RAM amount
3 GB
1 GB/2 GB

Memory bus width
384 Bit
128 Bit

Memory clock speed
6008 MHz
1782 MHz

Memory bandwidth
288.4 GB/s
Up to 29 GB/s

Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
DVI-I DP

Number of simultaneous displays
-
4

Multi monitor support
4 displays
-

HDMI
+
-

HDCP
+
-

Maximum VGA resolution
2048x1536
-

Audio input for HDMI
Internal
-

DirectX
12 (11_0)
12

CUDA
+
3.0

OpenCL
1.2
1.2

OpenGL
4.3
4.5

Shader Model
5.1
5

Vulkan
1.1.126
+

3D Gaming
+
-

3D Vision
+
-

3D Vision Live
+
-

3D Vision Pro
-
+

Blu Ray 3D
+
-

Mosaic
-
+

nView Desktop Management
-
+

PhysX
+
-