Quadro K420 and Radeon HD 4650 - video card comparison
Passmark - benchmark score Quadro K420 vs Radeon HD 4650
Quadro K420
768
Radeon HD 4650
246
Quadro K420
Radeon HD 4650
Architecture
Kepler (2012−2018)
TeraScale (2005−2013)
GPU code name
GK107
RV730
Market segment
Workstation
Desktop
Release date
July 2014
September 2008
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
Core clock speed
876 MHz
600 MHz
Floating-point performance
336.4 gflops
384.0 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,270 million
514 million
Pipelines / CUDA cores
192
320
Power consumption (TDP)
41 Watt
48 Watt
Texture fill rate
14.02
19.20
Memory type
128 Bit
GDDR3
Maximum RAM amount
1 GB/2 GB
256 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
1400 MHz
Memory bandwidth
Up to 29 GB/s
22.4 GB/s
Display Connectors
DVI-I DP
2x DVI, 1x S-Video
Number of simultaneous displays
4
-
DirectX
12
10.1 (10_1)
CUDA
3.0
-
OpenCL
1.2
1.1
OpenGL
4.5
3.3
Shader Model
5
4.1
Vulkan
+
N/A
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-