
Quadro K620 and Radeon HD 6970M - video card comparison
Passmark - benchmark score Quadro K620 vs Radeon HD 6970M
Quadro K620
2297
Radeon HD 6970M
2338
Quadro K620
Radeon HD 6970M
Architecture
Maxwell (2014−2018)
Terascale 2 (2009−2015)
GPU code name
GM107
Blackcomb XT
Market segment
Workstation
Laptop
Release date
July 2014
January 2011
Interface
PCIe 2.0 x16
MXM-B (3.0)
Supplementary power connectors
None
None
Boost clock speed
1124 MHz
-
Core clock speed
1058 MHz
680 MHz
Floating-point performance
863.2 gflops
1,305.6 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,870 million
1,700 million
Pipelines / CUDA cores
384
960
Power consumption (TDP)
41 Watt
75-100 Watt
Texture fill rate
26.98
32.64
Memory type
128 Bit
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1800 MHz
900 MHz
Memory bandwidth
Up to 29 GB/s
115.2 GB/s
Shared memory
-
-
Display Connectors
DVI-I DP
No outputs
Number of simultaneous displays
4
-
DirectX
12
11.2 (11_0)
CUDA
5.0
-
OpenCL
1.2
1.2
OpenGL
4.5
4.4
Shader Model
5
5.0
Vulkan
+
N/A
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-