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GeForce GTX 970 and Quadro K420 - video card comparison


Passmark - benchmark score GeForce GTX 970 vs Quadro K420

GeForce GTX 970
9932
Quadro K420
768

GeForce GTX 970

Quadro K420


Architecture
Maxwell (2014−2018)
Kepler (2012−2018)

GPU code name
GM204
GK107

Market segment
Desktop
Workstation

Release date
September 2014
July 2014

Bus support
PCI Express 3.0
-

Interface
PCIe 3.0 x16
PCIe 2.0 x16

Recommended system power (PSU)
500 Watt
-

Supplementary power connectors
2x 6-pins
None

SLI options
+
-

Boost clock speed
1178 MHz
-

Core clock speed
1050 MHz
876 MHz

CUDA cores
1664
-

Floating-point performance
3,920 gflops
336.4 gflops

Manufacturing process technology
28 nm
28 nm

Number of transistors
5,200 million
1,270 million

Pipelines / CUDA cores
1664
192

Power consumption (TDP)
145 Watt
41 Watt

Maximum GPU temperature
98 °C
-

Texture fill rate
109 billion/sec
14.02

Memory type
GDDR5
128 Bit

Maximum RAM amount
4 GB
1 GB/2 GB

Memory bus width
256 Bit
128 Bit

Memory clock speed
7.0 GB/s
1782 MHz

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

Shared memory
-
-

Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
DVI-I DP

Number of simultaneous displays
-
4

Multi monitor support
4 displays
-

HDMI
+
-

HDCP
+
-

Maximum VGA resolution
2048x1536
-

G-SYNC support
+
-

Audio input for HDMI
Internal
-

DirectX
12 (12_1)
12

CUDA
+
3.0

OpenCL
1.2
1.2

OpenGL
4.4
4.5

Shader Model
6.4
5

Vulkan
1.1.126
+

3D Vision Pro
-
+

GameStream
+
-

GameWorks
+
-

GeForce ShadowPlay
+
-

GPU Boost
2.0
-

Mosaic
-
+

nView Desktop Management
-
+