Radeon HD 7670A and Quadro K420 - video card comparison
Passmark - benchmark score Radeon HD 7670A vs Quadro K420
Radeon HD 7670A
1082
Quadro K420
768
Radeon HD 7670A
Quadro K420
Architecture
TeraScale 2 (2009−2015)
Kepler (2012−2018)
GPU code name
Turks
GK107
Market segment
Desktop
Workstation
Release date
January 2012
July 2014
Interface
MXM-A (3.0)
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
600 MHz
876 MHz
Floating-point performance
576.0 gflops
336.4 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
716 million
1,270 million
Pipelines / CUDA cores
480
192
Power consumption (TDP)
45 Watt
41 Watt
Texture fill rate
14.40
14.02
Memory type
GDDR5
128 Bit
Maximum RAM amount
1 GB
1 GB/2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4000 MHz
1782 MHz
Memory bandwidth
64 GB/s
Up to 29 GB/s
Display Connectors
No outputs
DVI-I DP
Number of simultaneous displays
-
4
DirectX
11.2 (11_0)
12
CUDA
-
3.0
OpenCL
1.2
1.2
OpenGL
4.4
4.5
Shader Model
5.0
5
Vulkan
N/A
+
3D Vision Pro
-
+
Mosaic
-
+
nView Desktop Management
-
+