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Radeon Pro Duo and Quadro K620 - video card comparison


Passmark - benchmark score Radeon Pro Duo vs Quadro K620

Radeon Pro Duo
8409
Quadro K620
2297

Radeon Pro Duo

Quadro K620


Architecture
GCN 3.0 (2014−2017)
Maxwell (2014−2018)

GPU code name
Capsaicin
GM107

Market segment
Workstation
Workstation

Release date
April 2016
July 2014

Bus support
PCIe 3.0
-

Interface
PCIe 3.0 x16
PCIe 2.0 x16

Supplementary power connectors
3x 8-pin
None

Boost clock speed
1000 MHz
1124 MHz

Compute units
128
-

Core clock speed
-
1058 MHz

Floating-point performance
2x 8,192 gflops
863.2 gflops

Manufacturing process technology
28 nm
28 nm

Number of transistors
8,900 million
1,870 million

Pipelines / CUDA cores
4096
384

Power consumption (TDP)
350 Watt
41 Watt

Texture fill rate
256.0
26.98

Memory type
High Bandwidth Memory (HBM)
128 Bit

Maximum RAM amount
8 GB
2 GB

Memory bus width
4096 Bit
128 Bit

Memory clock speed
500 MHz
1800 MHz

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

Display Connectors
1x HDMI, 3x DisplayPort
DVI-I DP

Number of simultaneous displays
-
4

Eyefinity
1
-

Number of Eyefinity displays
6
-

HDMI
+
-

DisplayPort support
+
-

DirectX
DirectX® 12
12

CUDA
-
5.0

Mantle
+
-

OpenCL
2.0
1.2

OpenGL
4.5
4.5

Shader Model
6.0
5

Vulkan
+
+

3D Vision Pro
-
+

AppAcceleration
+
-

CrossFire
1
-

Enduro
+
-

FreeSync
1
-

FRTC
1
-

HD3D
+
-

LiquidVR
1
-

Mosaic
-
+

nView Desktop Management
-
+

PowerTune
+
-

TressFX
1
-

TrueAudio
+
-

UVD
+
-

VCE
+
-

ZeroCore
+
-